EP2405914A1 - Compositions et méthodes pour la prophylaxie et le traitement d'addictions - Google Patents

Compositions et méthodes pour la prophylaxie et le traitement d'addictions

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Publication number
EP2405914A1
EP2405914A1 EP10708873A EP10708873A EP2405914A1 EP 2405914 A1 EP2405914 A1 EP 2405914A1 EP 10708873 A EP10708873 A EP 10708873A EP 10708873 A EP10708873 A EP 10708873A EP 2405914 A1 EP2405914 A1 EP 2405914A1
Authority
EP
European Patent Office
Prior art keywords
subject
addictive
therapeutic agent
agonist
pioglitazone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10708873A
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German (de)
English (en)
Inventor
Roberto Ciccocioppo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omeros Corp
Original Assignee
Omeros Medical Systems Inc
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Filing date
Publication date
Application filed by Omeros Medical Systems Inc filed Critical Omeros Medical Systems Inc
Priority to EP18178072.7A priority Critical patent/EP3398599A1/fr
Publication of EP2405914A1 publication Critical patent/EP2405914A1/fr
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/13—Amines
    • A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
    • A61K31/137—Arylalkylamines, e.g. amphetamine, epinephrine, salbutamol, ephedrine or methadone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/13—Amines
    • A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
    • A61K31/138—Aryloxyalkylamines, e.g. propranolol, tamoxifen, phenoxybenzamine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19—Carboxylic acids, e.g. valproic acid
    • A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
    • A61K31/4015—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil having oxo groups directly attached to the heterocyclic ring, e.g. piracetam, ethosuximide
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/4164—1,3-Diazoles
    • A61K31/4178—1,3-Diazoles not condensed 1,3-diazoles and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
    • A61K31/4439—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
    • A—HUMAN NECESSITIES
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    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445—Non condensed piperidines, e.g. piperocaine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/47—Quinolines; Isoquinolines
    • A61K31/485—Morphinan derivatives, e.g. morphine, codeine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/04—Centrally acting analgesics, e.g. opioids
    • A—HUMAN NECESSITIES
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    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
    • A61P25/32—Alcohol-abuse
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
    • A61P25/34—Tobacco-abuse
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
    • A61P25/36—Opioid-abuse
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

Definitions

  • the present invention is directed generally to the treatment or prevention of addictions using PPAR ⁇ agonists, alone or in combination with other therapeutic agents
  • Substance addiction is a chronic, relapsing disease characterized by a loss of control over drug use, compulsive drug seeking and craving for a substance, use that persists despite negative consequences, and physical and/or psychological dependence on the substance
  • Substance addiction typically follows a course of tolerance, withdrawal, compulsive drug taking behaviour, drug seeking behaviour, and relapse
  • Substance abuse and addiction are public health issues with significant social and economic impact on both the addict and society by playing a major role in violent crime and the spread of infectious diseases
  • Addictive substances include alcohol, caffeine, nicotine, cannabis (marijuana) and cannabis derivatives opiates and other morphine-like opioid agonists such as heroin, phencyclidine and phencyclidine- like compounds, sedative ipnotics such as benzodiazepines and barbiturates and psychostimulants such as cocaine, amphetamines and amphetamine- related drugs such as dext
  • Alcohol is one of the most commonly abused substances at a global level Additionally, alcoholism leads to serious liver and cardiovascular disease and generates dependence resulting in severe mental disorders, social problems and adverse consequences including the division of families, tragic accidents and the reduction of work performance According to the WHO, alcohol consumption is responsible for 20-30% of oesophageal and liver cancer, liver cirrhosis, homicides, epilepsy, and motor vehicle accidents worldwide Globally, alcohol abuse leads to about 1 8 million deaths per year Compulsive behaviour towards the consumption of alcohol is a core symptom of the disorder In recent years several approaches have been investigated to help alcoholic patients to not only control alcohol drinking but also alcohol cravings and relapse (Monti et al , 1993, Volpicelli et al 1992, O'Brien et al 1997)
  • Medications such as naltrexone, acamprosate, ondansetron disulfiram, gamma hydroxybutyrate (GHB), and topiramate tested for their potential therapeutic effect on alcohol abuse belong to several classes (Volpicelli et a/ 1992, O'Brien et al 1997) Few of these pharmacotherapeutics, such as naltrexone, acamprosate, and disulfiram, have been proven to be of a certain utility and approved for the treatment of alcoholism Among these medications, the non-selective opioid antagonist naltrexone is currently considered the pharmacological gold standard However, despite some promising results none of these medications including naltrexone, is of sufficient efficacy in alcoholism and prognosis remains poor
  • Nicotine is one of the most widely used addictive drugs, and nicotine abuse is the most common form of substance abuse
  • the WHO estimates that there are 1 25 billion smokers worldwide, representing one third of the global population over the age of 15
  • the WHO further estimates that 5 million deaths occur each year as a direct result of tobacco use, making nicotine abuse the largest single preventable cause of death worldwide
  • Cigarette smoking is associated with 430,000 deaths a year in the US alone and is estimated to cost the nation 80 billion dollars yearly in health care costs
  • Tobacco use accounts for one third of all cancers, including cancer of the lung, mouth, pharynx, larynx, esophagus, cervix, kidney, ureter, and bladder
  • the overall rates of death from cancer are twice as high among smokers as among nonsmokers
  • Smoking also causes lung diseases such as chronic bronchitis and emphysema, exacerbates asthma symptoms, and increases the risk of heart
  • Nicotine use results in increased levels of the neurotransmitter dopamine, which activates the reward pathways to regulate feelings of pleasure and to mediate the desire to consume nicotine
  • Symptoms associated with nicotine withdrawal include craving irritability, anger, hostility, aggression, fatigue, depression, and cognitive impairment, which lead the abuser to seek more nicotine
  • Environmental conditioning factors and exposure to psychological stress represent additional factors motivating nicotine use in smokers
  • Nicotine use results in the development of tolerance, requiring higher doses of nicotine to produce the same initial stimulation
  • Most therapies developed for nicotine addiction have shown only moderate success in preventing relapse, leading to a high failure rate in attempts to quit smoking
  • Treatments include the use of nicotine replacement products anti-depressants, anti-hypersensitives, and behavioural therapy
  • the National Institute on Drug Abuse estimates that 72 million Americans, about one third of the population, have tried marijuana Acute effects of marijuana use include memory and learning problems, distorted perception, difficulty problem solving, loss of coordination, and increased heart rate Long term abuse can cause the same respiratory problems observed in tobacco smokers, such as daily
  • Amphetamine withdrawal symptoms include EEG changes, fatigue, and mental depression Tolerance develops over time and may be associated with tachycardia, auditory and visual hallucinations, delusions, anxiety reactions, paranoid psychosis, exhaustion, confusion, memory loss, and prolonged depression with suicidal tendencies
  • Current treatments for amphetamine addiction include phenothiazines haloperidol, and chlorpromazine for hallucinations, but potential side effects of these drugs include postural hypotension and severe extrapyramidal motor disorders
  • substance addictions focused on behavioural therapy, but dependence on many of these highly addictive substances is hard to break
  • addictions to alcohol, cocaine, and heroin are considered chronic, relapsing disorders
  • concurrent abuse of multiple substances such as nicotine, heroin, cocaine and alcohol, is common
  • Conditioning hypotheses are based on observations that relapse is often associated with exposure to drug-related environmental stimuli This view holds that specific environmental stimuli that have become associated with the rewarding actions of a drug by means of classical conditioning can elicit subjective states that trigger resumption of drug use
  • the homeostatic and conditioning hypotheses are not mutually exclusive In fact, homeostatic and conditioning factors are likely to exert additive effects in that exposure to drug- related environmental stimuli may augment vulnerability to relapse conveyed by homeostatic disturbances
  • homeostatic and conditioning factors are likely to exert additive effects in that exposure to drug- related environmental stimuli may augment vulnerability to relapse conveyed by homeostatic disturbances
  • the present invention meets these needs by providing methods and pharmaceutical combinations useful in treating and preventing addiction and recividism
  • the present invention is directed generally to the use of PPAR ⁇ agonists, alone or in combination with one or more additional therapeutic agents for the treatment and prevention of addictions and relapse to addictive use or behavior Accordingly, the present invention provides methods and related compositions, unit dosage forms, and kits useful for the treatment and prevention of addictions, and for the treatment and prevention of relapse use of addictive agents or practice of addictive or compulsive behaviours
  • the present invention includes a method of treating or preventing an addiction, comprisind determining that a subject has or is at risk of developing an addiction, and providing to the subject an amount of an agonist of a peroxisome proliferator-activated receptor gamma (PPAR ⁇ agonist) effective for the treatment or prevention of the addiction
  • PPAR ⁇ agonist peroxisome proliferator-activated receptor gamma
  • the present invention provides a method of treating or preventing an addiction, comprising providing to a subject having an addiction a peroxisome proliferator-activated receptor gamma (PPAR ⁇ agonist) and an additional therapeutic agent, wherein each of the PPAR ⁇ agonist and the additional therapeutic agent contribute to the effective treatment or prevention of the addiction
  • PPAR ⁇ agonist peroxisome proliferator-activated receptor gamma
  • the PPAR ⁇ agonist is a thiazolidinedione (TZD)
  • the TZD is pioghtazone, rosiglitazone, ciglitazone, troghtazone, enghtazone, ⁇ voglitazone, or darglidazone
  • the additional therapeutic agent is an opioid antagonist, a mixed opioid partial agonist/antagonist an antidepressant, an antiepileptic, an antiemetic, a corticotrophin-releasing factor-1 (CRF-1 ) receptor antagonist, a selective serotonm-3 (5-HT3) antagonist, a 5-HT 2 /v2c antagonist, or a cannab ⁇ no ⁇ d-1 (CB1) receptor antagonist
  • the opioid antagonist is naltrexone or nalmefene
  • the antidepressant is fluoxetine, mirtazapine, or
  • the subject is addicted to an addictive agent, or at risk for relapse use of an addictive agent
  • the addictive agent is alcohol, nicotine marijuana, a marijuana derivative, an opioid agonist, a benzodiazepine, a barbiturate, or a psychostimulant
  • the opioid agonist is selected from the group consisting of morphine, methadone, fentanyl, sufentanil and heroin
  • the psychostimulant is cocaine, amphetamine or an amphetamine derivative
  • the subject may be addicted to more than one addictive agent, and the pharmaceutical compositions, unit dosage forms, and kits may be useful for treating or preventing addiction or relapse use of more than one addictive agent
  • the subject is addicted to an addictive or compulsive behavior or at risk for relapse practice of an addictive or compulsive behaviour
  • the addictive or compulsive behavior is pathological gambling, pathological overeating, pathological use of electronic devices, pathological use of electronic video games, pathological use of electronic communication devices, pathological use of cellular telephones, addiction to pornography, sex addiction obsessive compulsive disorder, compulsive spending, anorexia, bulimia, intermittent explosive disorder kleptomania, pyromania, trichotillomania compulsive overexercising, and compulsive overworking
  • the subject may be addicted to more than one addictive or compulsive behaviour
  • the pharmaceutical compositions, unit dosage forms, and kits may be useful for treating or preventing addiction or relapse use of more than one addictive or compulsive behaviour
  • the addictive agent is alcohol and the additional therapeutic agent is an opioid antagonist or a mixed opioid antagonist/partial agonist
  • the opioid antagonist is naltrexone
  • the mixed opioid partial agonist/antagonist is buprenorphine
  • the addictive agent is nicotine and the additional therapeutic agent is an antidepressant In one embodiment, the antidepressant is bupropion In further particular embodiments of any of the methods of the present invention, the addictive agent is a psychostimulant and the additional therapeutic agent is an antidepressant In one embodiment, the antidepressant is bupropion
  • the subject is addicted to two or more addictive agents and the additional therapeutic agent is an opioid antagonist or a mixed opioid partial agonist/antagonist
  • the opioid antagonist is naltrexone or nalmefene
  • the mixed opioid partial agonist/antagonist is buprenorphine
  • the present invention provides a method of preventing relapse use of an addictive agent or practice of an addictive or compulsive behaviour, comprising providing an effective amount of a peroxisome proliferator-activated receptor gamma (PPAR ⁇ agonist) to a subject who has undergone a period of abstinence from, or limited or reduced use of, the addictive agent or practice of the addictive or compulsive behaviour
  • PPAR ⁇ agonist peroxisome proliferator-activated receptor gamma
  • the subject has undergone physiological withdrawal from the addictive agent during the period of abstinence from, or limited or reduced use of, the addictive agent or due to no longer being exposed to an effective amount of the anti-addiction treatment
  • the anti-addiction treatment may be an anti-addiction drug or may be a non-pharmacologic therapy such as counseling, psychotherapy or hypnosis therapy
  • the present invention includes a method of preventing relapse use of an addictive agent or practice of an addictive or compulsive behaviour, comprising providing an effective amount of a peroxisome proliferator-activated receptor gamma (PPAR ⁇ agonist) to a subject who has undergone a period of abstinence from, or limited or reduced use of, the addictive agent or practice of the addictive or compulsive behaviour, and also providing to the subject an additional therapeutic agent, wherein each of the PPAR ⁇ agonist and the additional therapeutic agent contribute to the effective prevention of the relapse use or practice
  • the subject has undergone physiological withdrawal from the addictive agent during the period of abstinence from, or limited or reduced use of, the addictive agent or due to no longer being exposed to an effective amount of the anti-addiction treatment
  • the present invention provides a method of treating relapse use of an addictive agent or practice of an addictive or compulsive behaviour, comprising providing an effective amount of a peroxisome proliferator-activated receptor gamma (PPAR ⁇ agonist) to a subject who has undergone a period of abstinence from, or limited or reduced use of, the addictive agent or practice of the addictive or compulsive behaviour
  • PPAR ⁇ agonist peroxisome proliferator-activated receptor gamma
  • the subject has undergone physiological withdrawal from the addictive agent during the period of abstinence from, or limited or reduced use of, the addictive agent or due to no longer being exposed to an effective amount of the anti-addiction treatment
  • the present invention includes a method of treating relapse use of an addictive agent or practice of an addictive or compulsive behaviour, comprising providing an effective amount of a peroxisome proliferator-activated receptor gamma (PPAR ⁇ agonist) to a subject who has undergone a period of abstinence from, or limited or reduced use of the addictive agent or practice of the addictive or compulsive behaviour, and also providing to the subject an additional therapeutic agent wherein each of the PPAR ⁇ agonist and the additional therapeutic agent contribute to the effective treatment of the relapse use or practice
  • the subject has undergone physiological withdrawal from the addictive agent during the period of abstinence from, or limited or reduced use of, the addictive agent or due to no longer being exposed to an effective amount of the anti-addiction treatment
  • the present invention provides a method of preventing relapse use of an addictive agent or practive of an addictive or compulsive behaviour, comprising providing an effective amount of a peroxisone proliferator-activated receptor gamma (PPAR ⁇ agonist) to a subject, wherein the subject previously reduced or eliminated use of the addictive agent or practice of the addictive or compulsive behaviour in response to treatment with an effective amount of an anti-addiction treatment, and wherein the subject is no longer exposed to an effective amount of the anti- addiction treatment
  • the subject is no longer exposed to an effective amount of an anti-addiction agent because the subject has become conditioned to the anti-addiction agent
  • the subject is no longer exposed to an effective amount of the anti-addiction treatment because the subject has reduced or eliminated exposure to the anti- addiction treatment
  • the present invention provides a method of preventing relapse use of an addictive agent or practive of an addictive or compulsive behaviour, comprising providing an effective amount of a peroxisone proliferator-activated receptor gamma (PPAR ⁇ agonist) to a subject, wherein the subject previously reduced or eliminated use of the addictive agent or practice of the addictive or compulsive behaviour in response to treatment with an effective amount of an anti-addiction treatment, and wherein the subject is no longer exposed to an effective amount of the anti-addiction treatment, and also providing to the subject an additional therapeutic agent, wherein each of the PPAR ⁇ agonist and the additional therapeutic agent contribute to the effective prevention of the relapse use or practice
  • the subject is no longer exposed to an effective amount of an anti-addiction agent because the subject has become conditioned to the anti-addiction agent
  • the subject is no longer exposed to an effective amount of the anti-addiction treatment because the subject has reduced or eliminated exposure to the anti-addiction treatment
  • PPAR ⁇ agonist peroxisone
  • the present invention includes a method of treating relapse use of an addictive agent or practive of an addictive or compulsive behaviour, comprising providing an effective amount of a peroxisone proliferator-activated receptor gamma (PPAR ⁇ agonist) to a subject, wherein the subject previously reduced or eliminated use of the addictive agent or practice of the addictive or compulsive behaviour in response to treatment with an effective amount of an anti-addiction treatment, and wherein the subject is no longer exposed to an effective amount of the anti-addiction treatment, and also providing to the subject an additional therapeutic agent, wherein each of the PPAR ⁇ agonist and the additional therapeutic agent contribute to the effective treatment of the relapse use or practice
  • the subject is no longer exposed to an effective amount of an anti-addiction agent because the subject has become conditioned to the anti-addiction agent
  • the subject is no longer exposed to an effective amount of the anti-addiction treatment because the subject has reduced or eliminated exposure to the anti-addiction treatment
  • the PPAR ⁇ agonist is pioglitazone and the additional therapeutic agent is naltrexone
  • the relapse use or relapse practice is stress-induced
  • the present invention provides a method of reducing one or more symptoms associated with physiological withdrawal from an addictive agent, comprising providing an effective amount of a peroxisome proliferator-activated receptor gamma (PPAR ⁇ ) agonist to a subject undergoing physiological withdrawal from an addictive agent
  • PPAR ⁇ peroxisome proliferator-activated receptor gamma
  • the present invention provides a method of reducing one or more symptoms associated with physiological withdrawal from an addictive agent, comprising providing an effective amount of a peroxisome proliferator-activated receptor gamma (PPAR ⁇ ) agonist and an additional therapeutic agent to a subject undergoing physiological withdrawal from an addictive agent, wherein each of the PPAR ⁇ agonist and the additional therapeutic agent contribute to reducing one or more symptoms associated with physical withdrawl from the addictive agent
  • PPAR ⁇ peroxisome proliferator-activated receptor gamma
  • the PPAR ⁇ agonist is a thiazolidinedione (TZD)
  • the TZD is pioghtazone, rosightazone, ciglitazone, troghtazone, enghtazone, ⁇ voglitazone or darghdazone
  • the additional therapeutic agent is an opioid antagonist, a mixed opioid partial agonist/antagonist, an antidepressant, an antiepileptic, an antiemetic a corticotrophin-releasing factor-1 (CRF-1) receptor antagonist, a selective seroton ⁇ n-3 (5-HT3) antagonist, a 5-HT 2A/2 C antagonist, or a cannab ⁇ no ⁇ d-1 (CB1 ) receptor antagonist
  • the present invention includes a pharmaceutical composition, comprising a peroxisome proliferator-activated receptor gamma (PPAR ⁇ ) agonist and an additional therapeutic agent, wherein each of the PPAR ⁇ agonist and the additional therapeutic agent contribute to the effective treatment or prevention of an addiction
  • the PPAR ⁇ agonist is a thiazolidinedione (TZD)
  • the TZD is pioghtazone, rosightazone, ciglitazone, troghtazone, enghtazone, rivoghtazone or darghdazone
  • the pharmaceutical composition is effective in the treatment of an addiction to an addictive agent
  • the addictive agent is alcohol, nicotine, marijuana, a marijuana derivative, an opioid agonist, a benzodiazepine, a barbiturate, or a psychostimulant
  • the pharmaceutical composition is effective in the treatment of an addiction to an addictive or compulsive behaviour
  • the addictive or compulsive behavior is pathological gambling, pathological overeating, pathological use of electronic devices, pathological use of electronic video games, pathological use of electronic communication devices, pathological use of cellular telephones, addiction to pornography, sex addiction, obsessive compulsive disorder, compulsive spending, anorexia, bulimia intermittent explosive disorder, kleptomania, pyromania, trichotillomania, compulsive overexercising, and compulsive overworking
  • the additional therapeutic agent is an opioid antagonist, a mixed opioid partial agonist/antagonist, an antidepressant, an antiepileptic, an antiemetic, a corticotrophin-releasing factor-1 (CRF-1) receptor antagonist, a selective seroton ⁇ n-3 (5-HT3) antagonist, a 5-HT 2A/2 C antagonist, and a cannab ⁇ no ⁇ d-1 (CB1) receptor antagonist
  • the opioid antagonist is naltrexone or nalmefene
  • the antidepressant is fluoxetine, mirtazapine, or bupropion
  • the antiepileptic is selected from the group consisting of topiramate, levetiracetam, and gabapentin
  • the CRF-1 receptor antagonist is antalarmin
  • the selective seroton ⁇ n-3 (5-HT3) antagonist is ondansetron
  • the cannab ⁇ no ⁇ d-1 (CB1 ) receptor antagonist is
  • the addictive agent is alcohol and the additional therapeutic agent is an opioid antagonist or a mixed opioid antagonist/partial agonist
  • the opioid antagonist is naltrexone
  • the mixed opioid partial agonist/antagonist is buprenorphine
  • the addictive agent is nicotine and the additional therapeutic agent is an antidepressant
  • the antidepressant is bupropion
  • the addictive agent is a psychostimulant and the additional therapeutic agent is an antidepressant
  • the antidepressant is bupropion
  • the addictive agent comprises two or more addictive agents and the additional therapeutic agent is an opioid antagonist or a mixed opioid partial agonist/antagonist
  • the opioid antagonist is naltrexone or nalmefene
  • the mixed opioid partial agonist/antagonist is buprenorphine
  • the PPAR ⁇ agonist is pioghtazone and the additional therapeutic agent is naltrexone
  • the present invention includes unit dosage forms of a pharmaceutical composition adapted for the treatment of an addiction, wherein said unit dosage form comprises a peroxisome prohferator- activated receptor gamma (PPAR ⁇ ) agonist and an additional therapeutic agent, wherein said unit dosage form comprises the PPAR ⁇ agonist and the additional therapeutic agent in a combined amount effective in the treatment of an addiction, and wherein each of the PPAR ⁇ agonist and the additional therapeutic agent contribute to the effective treatment or prevention of the addiction
  • the PPAR ⁇ agonist is a thiazolidinedione (TZD)
  • the TZD is pioghtazone, rosiglitazone, ciglitazone troghtazone, enghtazone, nvoglitazone or darglidazone
  • the additional therapeutic agent is an opioid antagonist, a mixed opioid partial agonist/antagonist, an antidepressant an antiepileptic, an antiemetic,
  • the PPAR ⁇ agonist is pioghtazone and the additional therapeutic agent is naltrexone
  • the present invention includes a kit useful for the treatment or prevention of an addiction, comprising a first container comprising a peroxisome proliferator-activated receptor gamma (PPAR ⁇ ) agonist, and a second container comprising an additional therapeutic agent, wherein each of the PPAR ⁇ agonist and the additional therapeutic agent contribute to the effective treatment of prevention of an addiction
  • the PPAR ⁇ agonist is a thiazolidinedione (TZD)
  • the TZD is pioghtazone, rosightazone, ciglitazone, troghtazone, enghtazone, nvoglitazone or darglidazone
  • the additional therapeutic agent is an opioid antagonist, a mixed opioid partial agonist/antagonist, an antidepressant, an antiepileptic, an antiemetic, a corticotrophin-releasing factor- 1 (CRF-1) receptor antagonist a selective seroton ⁇ n-3 (5-HT3)
  • the addictive agent is alcohol and the additional therapeutic agent is an opioid antagonist or a mixed opioid antagonist/partial agonist
  • the opioid antagonist is naltrexone
  • the mixed opioid partial agonist/antagonist is buprenorphine
  • the addictive agent is nicotine and the additional therapeutic agent is an antidepressant
  • the antidepressant is bupropion
  • the addictive agent is a psychostimulant and the additional therapeutic agent is an antidepressant
  • the antidepressant is bupropion
  • the addictive agent comprises two or more addictive agents and the additional therapeutic agent is an opioid antagonist or a mixed opioid partial agonist/antagonist
  • the opioid antagonist is naltrexone or nalmefene
  • the mixed opioid partial agonist/antagonist is buprenorphine
  • the present invention includes a kit comprising one or more unit dosage forms of a peroxisome prohferator- activated receptor gamma (PPAR ⁇ ) agonist and one or more unit dosage forms of nicotine
  • the one or more unit dosage forms of nicotine comprise two or more different amounts of nicotine
  • the PPAR ⁇ agonist is a thiazohdinedione (TZD)
  • the TZD is pioglitazone, rosightazone, ciglitazone, troglitazone, enghtazone, ⁇ voglitazone or darghdazone
  • the present invention includes a method of preventing a subject from becoming addicted, or reducing the likelihood that a subject will become addicted, to an addictive therapeutic agent, comprising providing to a subject in need thereof an addictive therapeutic agent, and an effective amount of a peroxisome proliferator-activated receptor gamma (PPAR ⁇ agonist), wherein the effective amount of the PPAR ⁇ agonist is an amount effective in preventing the subject from becoming addicted or reducing the likelihood that the subject will become addicted, to the addictive therapeutic agent
  • this method further comprises providing to the subject an additional therapeutic agent, wherein each of the PPAR ⁇ agonist and the additional therapeutic agent contribute to preventing the subject from becoming addicted, or reducing the likelihood that the subject will become addicted to the addictive therapeutic agent
  • the addictive therapeutic agent is an opioid agonist
  • the opioid agonist is codeine, morphine, noscapapine hydrocodone, hydromorphone, oxycodone, tramadol, fentanyl, sufentanil, alf
  • the present invention also includes pharmaceutical compositions, and unit dosage forms thereof, comprising an effective amount of an addictive therapeutic agent and an effective amount of a PPAR ⁇ agonist, wherein the effective amount of the PPAR ⁇ agonist is an amount effective in preventing the subject from becoming addicted, or reducing the likelihood that the subject will become addicted, to the addictive therapeutic agent
  • the addictive therapeutic agent is an opioid agonist
  • the opioid agonist is alfentanil, allylprodine, alphaprodine, anile ⁇ dine, apomorphine, benzylmorphine, beta-hydroxy 3- methylfentanyl, bezitramide, buprenorphine, butorphanol, carfentanil, clonitazene, codeine, desomorphine, destropropoxyphene, dextromoramide, dezocine, diacetylmorphine (heroin), diamorphine, diampromide, dihydrocodeine, dihydroetorphine,
  • the subject is addicted to an addictive or compulsive behavior or at risk for relapse practice of an addictive or compulsive behaviour
  • the pharmaceutical compositions, unit dosage forms, and kits of the present invention are useful for the treatment or prevention of addiction to an addictive or compulsive behaviour or relapse use of an addictive or compulsive behaviour
  • the addictive or compulsive behavior is pathological gambling, pathological overeating, pathological use of electronic devices, pathological use of electronic video games, pathological use of electronic communication devices, pathological use of cellular telephones, addiction to pornography, sex addiction, obsessive compulsive disorder, compulsive spending, anorexia, bulimia, intermittent explosive disorder, kleptomania, pyromania, trichotillomania, compulsive overexercising, and compulsive overworking
  • the subject may be addicted to more than one addictive or compulsive behaviour
  • the pharmaceutical compositions, unit dosage forms, and kits may be
  • the present invention includes a delivery system comprising an amount of nicotine and an amount of a peroxisome proliferator-activated receptor gamma (PPAR ⁇ agonist) effective for the treatment of nicotine addition
  • PPAR ⁇ agonist peroxisome proliferator-activated receptor gamma
  • the amount of nicotine and the amount of the PPAR ⁇ agonist are present in a transdermal patch, an oral lozenge, or a chewing gum
  • the present invention includes a method of preventing a subject from becoming addicted, or reducing the likelihood that a subject will become addicted, to an addictive therapeutic agent, comprising providing to a subject in need thereof an addictive therapeutic agent and an effective amount of a thiazolidinedione (TZD), wherein the effective amount of the TZD is an amount effective in preventing the subject from becoming addicted, or reducing the likelihood that the subject will become addicted, to the addictive therapeutic agent
  • a thiazolidinedione thiazolidinedione
  • the present invention provides a unit dosage form of a pharmaceutical composition, wherein said unit dosage form comprises an effective amount of an addictive therapeutic agent and an effective amount of a thiazolidinedione (TZD), wherein the effective amount of 5 the TZD is an amount effective in preventing the subject from becoming addicted, or reducing the likelihood that the subject will become addicted, to the addictive therapeutic agent
  • a thiazolidinedione wherein the effective amount of 5 the TZD is an amount effective in preventing the subject from becoming addicted, or reducing the likelihood that the subject will become addicted, to the addictive therapeutic agent
  • Figure 1 is a graph depicting the effect of acute administration of
  • Figure 2 is a graph depicting the effect of acute administration of
  • Figures 3A-3D are graphs demonstrating the effect of subchronic administration of 10 0 or 30 0 mg/kg of pioghtazone (Pio 10 and Pio 30, respectively) on alcohol intake in msP rats Controls were treated with drug vehicle (Veh)
  • the values shown in Figures 3A-3C represent the mean ⁇ sem of daily alcohol intake measured at 2 hours ( Figure 3A), 8 hours ( Figure 3B),
  • Figures 4A-4D are graphs demonstrating the effect of subchronic administration of 0 25 mg/kg of naltrexone (Ntx) alone or in combination with
  • Figure 5 is a bar graph depicting the effect of pioglitazone on yohimbine-induced reinstatement of ethanol seeking behaviour Compared to extinction (Ext), yohimbine elicited a significant reinstatement of responding that was markedly reduced by pre-treatment with 10 0 and 30 0 mg/kg of pioghtazone (Pio 10 and 30, respectively) Values represent the mean (+SEM) number of responses at the active lever Significant difference from controls (pioghtazone vehicle, Veh) is indicated **P ⁇ 0 05
  • Figure 6 is a bar graph depicting the lack of effect of pioghtazone on cue-induced reinstatement of ethanol seeking behaviour Values shown represent the mean ( ⁇ SEM) number of responses at the active or inactive levers Conditioning responses of the last 10% alcohol (filled circle) and water (open circle) session of the discrimination phase Extinction (EXT) responses during the last day of this phase Reinstatement responses in rats exposed to stimuli predictive of alcohol (S + /CS + ) or water (S7CS ⁇ ) availability Significant difference from Ext is indicated **P ⁇ 0 01
  • Figure 7 is a graph depicting the effect of treatment with cightazone 5 0 (Cig 5) or 20 0 mg/kg (Cig 20) or its vehicle (Veh) on FR1 ethanol self-administration in Wistar rats Each lever response resulted in the delivery of 0 1 ml of 10% ethanol Significant difference from controls (Veh) is indicated *P ⁇ 0 05
  • Figure 8 is a graph the effect of administration of 7 5 or 15 0 mg/kg of rosightazone (Ros) on alcohol intake in msP rats Controls were treated with the drug vehicle (Veh) Values represent the mean ⁇ sem of alcohol intake (g/kg) at the indicated time points Significant difference from controls is indicated ** ⁇ 0 01 and * p ⁇ 0 05
  • Figures 9A and 9B are graphs depicting the effect of pre- treatment with the PPAR ⁇ antagonist GW9662 on pioghtazone induced reduction of ethanol drinking
  • Figure 9A represents the effect of GW9662 (GW) given alone (1 0 and 5 0 mg/kg) on ethanol intake in msP rats
  • Figure 9B 5 describes the effect of pre-treatment with GW9662 on animals injected with 30 mg/kg pioghtazone (Pio) or its vehicle
  • the control group received vehicles of both drugs (Veh+Veh) Values represent the mean ⁇ sem of alcohol intake (g
  • Figure 10 is a graph depicting the effect of pre-treatment with the
  • Figure 11 is a graph depicting the effect of naltrexone (Ntx) on yohimbine-induced reinstatement of alcohol seeking Compared to extinction (Ext) yohimbine elicited a significant reinstatement of responding that was not modified by pre-treatment with 0 25 and 1 0 mg/kg of naltrexone Values
  • Figure 12 is a graph depicting the effect of naltrexone (Ntx) on cue-induced reinstatement of alcohol seeking Values represent the mean ( ⁇ SEM) number of responses at the active lever Conditioning responses of
  • Figures 13A and 13B are graphs depicting the effect of naltrexone (ntx) plus pioghtazone (Pio) combination on yohimbine-induced reinstatement of alcohol seeking ( Figure 13A) or cue-induced reinstatement of alcohol seeking ( Figure 13B) Compared to extinction (Ext), yohimbine elicited a significant reinstatement of responding
  • the combination of Naltrexone (1 0 mg/kg) plus pioghtazone (10 and 30 mg/kg) significantly inhibited yohimbme- mduced reinstatement of alcohol seeking Figure 13A
  • Treatment with 1 0 mg/kg of naltrexone in combination with Pioghtazone (10 0 and 30 0 mg/kg) also significantly reduced cue-induced reinstatement of alcohol-seeking Conditioning responses of the last 10% alcohol (filled circle) and water (open circle) session of the discrimination phase Extinction (Ext) responses during the last day of this phase Reinstatement
  • Figure 14 is a graph depicting the effect of administration of 10 mg/kg of pioghtazone (Pio) alone or 3 mg/kg of fluoxetine alone or their combination on alcohol intake in msP rats Controls were treated with the drug vehicles (Veh+Veh) Values represent the mean ⁇ sem of alcohol intake (g/kg) Significant difference from controls is indicated *p ⁇ 0 05 and **p ⁇ 0 01
  • Figure 15 is a graph depicting the effect of administration of 10 mg/kg of pioghtazone (Pio) alone or 5 mg/kg of mirtazapine alone or their combination on alcohol intake in msP rats Controls were treated with the drug vehicles (Veh+Veh) Values represent the mean ⁇ sem of alcohol intake (g/kg) Significant difference from controls is indicated * p ⁇ 0 05
  • Figure 16 is a graph depicting the effect of administration of 10 mg/kg of pioghtazone (Pio) alone or 30 mg/kg of topiramate alone or their combination on alcohol intake in msP rats Controls were treated with the drug vehicles (Veh+Veh) Values represent the mean ⁇ sem of alcohol intake (g/kg) Significant difference from controls is indicated *p ⁇ 0 05
  • Figure 17 is a graph depicting the effect of administration of 10 mg/kg of pioghtazone (Pio) alone or 100 mg/kg of levetiracetam (Leve) alone or their combination on alcohol intake in msP rats Controls were treated with vehicles alone (Veh+Veh) Values represent the mean ⁇ sem of alcohol intake (g/kg) Significant difference from controls is indicated *p ⁇ 0 05 and **p ⁇ 0 01
  • Figure 18 is a graph depicting the effect of administration of 10 mg/kg of pioghtazone (Pio) alone or 30 mg/kg of gabap
  • Figure 19 is a graph depicting the effect of administration of 10 mg/kg of pioghtazone (Pio) alone or 1 0 mg/kg of ondansetron alone or their combination on alcohol intake in msP rats Controls were treated with the drug vehicles (Veh+Veh) Values represent the mean ⁇ sem of alcohol intake (g/kg) Significant difference from controls is indicated ** p ⁇ 0 01 and * p ⁇ 0 05
  • Figure 20 is a graph depicting the effect of administration of 10 mg/kg of pioghtazone (Pio) alone or 15 mg/kg of antalarmin alone or their combination on alcohol intake in msP rats Controls were treated with vehicles (Veh+Veh) Values represent the mean + sem of alcohol intake (g/kg) Significant difference from controls is indicated *p ⁇ 0 05 and **p ⁇ 0 01
  • Figure 21 is a graph depicting the effect of administration of 10 and 30 mg/kg of pioghtazone (Pio) on an alcohol withdrawal score in Wistar rats Controls received oral administration of alcohol vehicle Values represent the mean ⁇ sem of total withdrawal score Significant difference from controls is indicated ** p ⁇ 0 01
  • Figures 22A and 22B are graphs depicting the effect of treatment with 10 0 or 30 0 mg/kg pioghtazone (10 or 30, respectively) or its vehicle (veh) on FR5 cocaine self-administration in Wistar rats
  • Figure 22A shows the number of rewards at the active lever, with each five lever response resulting in the delivery of one reward (0 25 mg/ 0 1 ml of cocaine)
  • Figure 22B shows the number of responses at the left inactive lever
  • Significant difference from controls (Veh) is indicated **p ⁇ 0 01
  • Figures 23A and 23B are graphs depicting the effect of treatment with pioghtazone (30 0 mg/kg) or its vehicle (veh) on FR5 nicotine self- administration in Wistar rats
  • Figure 23A shows the number of rewards at the active lever, with each five lever response resulting in the delivery of 0 25 mg/ 0 03 ml of nicotine
  • Figure 23B shows the number of responses at the left inactive lever
  • Significant difference from controls (Veh) is indicated *p ⁇ 0
  • Figures 24A and 24B are graphs showing the effect of 5 mg/kg (Pio 5), 10 mg/kg (Pio 10) or 30 mg/kg of (Pio 30) of pioghtazone on yohimbine- induced reinstatement of nicotine Black filled circles indicate the number of lever presses of the last nicotine self-administration day Extinction (Ext) value represents the mean value of the last 3 extinction days Compared to extinction, yohimbine elicited a significant reinstatement of responding that was
  • Figures 25A, 25B, and 25C are graphs showing the effect of treatment with pioghtazone (Pio), varenicline (Var) and bupropione (Bup) on anxiety (Figure 25A), depression ( Figure 25B), and craving ( Figure 25C), as measured by Spielberger State-Trait Anxiety Inventory (STAI), Montgomery Asberg Depression Rating Scale (M A D R S 10 Item, and Visual Analogic Scale of Craving
  • Figure 26 shows the effect of morphine, pioghtazone or their combination on the tail-flick test (upper panel) or the tail-immersion test (lower panel)
  • Animals were treated twice daily (between 9 00 and 10 00 a m and 9 00 and 10 00 p m )
  • Statistical difference from controls (v/v) * *P ⁇ 0 01 and *P ⁇ 0 05
  • Figure 27 shows the effect of pioglitazone (P ⁇ o30) or its vehicle (0 0) on acquisition of heroin self-administration
  • the upper panel shows the mean number of reinforced active lever responses
  • the lower panel depicts the total daily dose of heroine self-administered by rats Statistical difference from controls (0 0mg/kg/ml) **P ⁇ 0 01 and *P ⁇ 0 05
  • Figure 30 shows the effect of treatment with pioghtazone (Pio) and naltrexone (Ntx) on anxiety (Figure 30A), depression (Figure 30B) and obsession/compulsion for alcohol (Figure 30C) in alcoholic patients Controls (Ctr) did not receive drug treatment
  • Pio pioghtazone
  • Ntx naltrexone
  • Figure 30A anxiety
  • Figure 30B depression
  • Figure 30C obsession/compulsion for alcohol
  • Figure 30C alcoholic patients Controls
  • STAI Spielberger State-Trait Anxiety Inventory
  • M A D R S 10 Item Montgomery Asberg Depression Rating Scale
  • OCDS Obsessive Compulsive Drinking Scale
  • the present invention is based in large part upon the finding described herein that peroxisome prohferator activated receptor gamma (PPAR ⁇ ) agonists are useful in the treatment and prevention of addictions and relapse use of an addictive agent or behaviour Accordingly the present invention provides methods and related compositions, formulations, unit dosage forms and kits for the treatment and prevention of addiction and relapse use, which include one or more PPAR ⁇ agonists, alone or in combination with one or more additional therapeutic agents in which each of the PPAR ⁇ agonist and the additional therapeutic agent(s) contribute to the effective treatment or prevention of the addiction
  • PPAR ⁇ peroxisome prohferator activated receptor gamma
  • TZDs thiazolidinediones
  • PPAR ⁇ agonists were also able to reduce or prevent relapse use, or reinstatement of addictive agents
  • treatment with pioghtazone significantly reduced stress-induced reinstatement of alcohol use
  • it did not significantly reduce cue-induced reinstatement of alcohol use (Example 6)
  • the opioid antagonist, naltrexone reduced cue-induced reinstatement of alcohol use, but not stress-induced reinstatement of alcohol use (Examples 12 and 11 )
  • the data support the concept that the combination of a PPAR ⁇ agonist and an opioid antagonist would have an enhanced ability to prevent relapse use of an addictive agent, since such a combination would prevent both stress-induced and cue-induced relapse use
  • treatment with the combination of the PPAR ⁇ agonist, pioglitazone, and the opioid antagonist, naltrexone resulted in a significantly reduced reinstatement of both stress-induced and cue-induced alcohol use (Example 13)
  • PPAR ⁇ agonists also worked synergistically with other classes of therapeutic agents in reducing or preventing addiction and relapse use
  • the TZD, pioglitazone used in combination with a variety of different classes of antidepressants, including fluoxetine and mirtazapine worked synergistically in reducing ethanol consumption in an animal model of ethanol addiction
  • Anti-epileptics including topiramate, levetiracetam, and gabapentin, showed synergism in combination with a TZD in reducing ethanol intake (Examples 16-18), and antiemetics, including the seroton ⁇ n-3 (5-HT3) receptor selective antagonist, ondansetron, and the corticotrophin releasing factor 1 receptor selective antagonist, antalarmin, also showed synergism in combination with a TZD in reducing alcohol consumption (Examples 19 and 20)
  • the present invention demonstrates that treatment with PPAR ⁇ agonists represent a novel pharmacological approach for the treatment and prevention of addiction, since it reduces addictive agent consumption and recidivism associated to stress exposure
  • PPAR ⁇ agonists will be useful also for the treatment of dependence to other addictive agents or behaviours, including, e g , opiates (morphine, heroin methadone), psychostimulants (cocaine, methamphetamine, and amphetamine related compounds in general), nicotine, gamma hydroxybutyrate (GHB), phencyclidine, and phencyclidine derivatives etc
  • PPAR ⁇ agonists showed efficacy also in combination with opioid antagonists, co-administration of the two drugs resulted in additivity with regard to the effect on ethanol drinking and expanded the efficacy
  • TDZs to normalize hepatic function may also have positive consequences in exploitation of a combined treatment approach
  • the clinical condition of alcoholic patients is, in general, compromised, especially during the early detoxification phase
  • rapid recovery and amelioration from a pathological state could improve treatment retention
  • the present invention includes methods of treating or preventing an addiction, comprising providing one or more PPAR ⁇ agonists to a subject having an addiction or at risk for developing an addiction
  • the subject is addicted to an addictive agent or behaviour including but not limited to, any of the addictive agents and behaviours described herein
  • the subject may be physically or physiologically dependent on the substance or behaviour, the subject may be psychologically dependent, or the subject may be both physically and psychologically dependent
  • the subject may be addicted to one or more than one addictive agent or behaviour
  • "treat,” and similar word such as “treatment,” “treating” etc is an approach for obtaining beneficial or desired results, including and preferably clinical results
  • Treatment can involve optionally either the reducing or amelioration of a disease or condition, (e g , addiction, relapse use, withdrawal), or the delaying of the progression of the disease or condition (e g , addiction relapse
  • prevent is an approach for preventing the onset or recurrence of a disease or condition, (e g , addiction, relapse use withdrawal) or preventing the occurrence or recurrence of the symptoms of a disease or condition, or optionally an approach for delaying the onset or recurrence of a disease or condition or delaying the occurrence or recurrence of the symptoms of a disease or condition Preventing also includes inhibiting the onset or recurrence of a disease or condition or one or more symptoms thereof, and reducing the likelihood of onset or recurrence of a disease or condition, or one or more symptoms thereof
  • an effective amount of a PPAR ⁇ agonist is that amount sufficient to affect a desired biological or psychological effect, such as beneficial results, including clinical results
  • an effective amount of a PPAR ⁇ agonist is that amount sufficient to cause the subject to reduce or discontinue use of an addictive agent
  • a subject is provided with a PPAR ⁇ agonist alone while in other embodiments, a subject is provided with a PPAR ⁇ agonist in combination with an additional therapeutic agent
  • the effective amount of either or both of a PPAR ⁇ agonist and an additional therapeutic agent may be different when either is provided alone than when provided in combination
  • the PPAR ⁇ agonist and the additional therapeutic agent act synergistically, then a lower amount of the PPAR ⁇ agonist
  • the subject is first determined or diagnosed to have an addiction, or to be at risk of developing an addiction, by diagnostic testing, observation or analysis by a medical care provider An effective amount of a PPAR ⁇ agonist, or an effective amount of a PPAR ⁇ agonist and one additional therapeutic agent, are then provided to the subject for treatment or prevention of the addiction
  • the subject is first determined or diagnosed to have an addiction, or to be at risk of developing an addiction, by diagnostic testing, observation or analysis by a medical care provider, but the subject has not been diagnosed or determined to have diabetes or other insulin disorder
  • An effective amount of a PPAR ⁇ agonist, or an effective amount of a PPAR ⁇ agonist and one additional therapeutic agent are then provided to the subject for treatment or prevention of the addiction
  • the dosage of the PPAR ⁇ agonist, or the PPAR ⁇ agonist and the one additional therapeutic agent may be specifically determined by the medical practitioner for treatment or prevention of the addiction rather than for any other disorder or disease
  • the subject is provided with a PPAR ⁇ agonist, alone or in combination with an additional therapeutic agent for the primary purpose of treating or preventing an addiction
  • the subject has not previously been provided with a PPAR ⁇ agonist for the treatment or prevention of any disease or disorder other than an addiction
  • the subject has not previously been provided with a PPAR ⁇ agonist for the treatment of insulin resistance or diabetes
  • the subject has not been diagnosed with insulin resistance or diabetes
  • the subject may be provided with any PPAR ⁇ agonist, including any of the specific PPAR ⁇ agonists described below
  • the PPAR ⁇ agonist is a TZD including any of the TZDs described below
  • the TZD is pioghtazone, ciglitazone, rosiglitazone or trogahtazone
  • the subject is suffering from or at risk for addiction to any physically addictive agent or addictive or compulsive behaviour, including, e g , any of those described below
  • the subject is addicted to alcohol, cocaine, nicotine, marijuana, an opiate or other opioid agonist or methampetamine or other psychostimulant, or phencyclidine and phencyclidine derivatives
  • a subject is considered at risk of addiction or relapse to use of an addictive agent or practice of an addictive behaviour when the subject has previously been addicted to the same or a different addictive agent or addictive or compulsive behaviour
  • the subject is considered at risk of addiction or relapse to use of an addictive agent or practice of an addictive behaviour when the subject is psychologically addicted to an addictive agent or addictive or compulsive behaviour, even if the subject is no longer physically addicted
  • the subject is addicted to or at risk of becoming addicted to a therapeutic agent provided to the patient to treat a disease or disorder, e g , a pain medication
  • the subject may be at risk of abusing an addictive therapeutic agent, such as a pain medication
  • Abusing an addictive therapeutic agent in certain embodiment, is understood to indicate using the agent for a reason different than or in addition to its prescribed use
  • a subject may be provided with both an addictive therapeutic agent and a PPAR ⁇ agonist, alone or in combination with an additional therapeutic agent
  • a subject suffering from pain, or at risk of pain may be provided with an opioid agonist and a PPAR ⁇ agonist or TZD e g pioghtazone, to both provide analgesia and prevent or treat addiction to the opioid agonist
  • PPAR ⁇ agonists have been shown to reduce neuropatic pain and inflammatory responses (see, e g , Oliveira A ⁇ t al , Antinociceptive and antiedemat
  • the PPAR ⁇ agonist is a TZD
  • the PPAR ⁇ agonist is pioghtazone, rosightazone, cightazone, troghtazone, enghtazone, ⁇ voghtazone, or darghdazone
  • the opioid agonist is a phenanthrene a phenylheptylamine, or a phenylpipe ⁇ dine
  • the opioid agonist is alfentanil, allylprodme, alphaprodine, anileridine, apomorphme, benzyl
  • PPAR ⁇ agonists and opioid agonists contemplated by the present invention include, but are not limited to pioghtazone and codeine, pioghtazone and morphine, pioghtazone and noscapapine, pioghtazone and hydrocodone, pioghtazone and hydromorphone, pioghtazone and oxycodone, pioghtazone and tramadol, pioghtazone and fentanyl, pioghtazone and propoxyphene, pioghtazone and methadone, ciglitazone and codeine, cightazone and morphine, ciglitazone and noscapapine, ciglitazone and hydrocodone, ciglitazone and hydromorphone, ciglitazone and oxycodone, ciglitazone and tramadol, ciglitazone and and
  • the subject is provided with the PPAR ⁇ agonist at the same time that the subject is using an addictive agent, after the subject has discontinued use of an addictive agent, or before the subject begins using an addictive agent
  • the subject is provided with the PPAR ⁇ agonist at the same time the subject is provided with an opioid agonist
  • a subject being treated with an opioid agonist (e g , oxycodone) for pain may be given a PPAR ⁇ agonist (e g , pioglitazone) at the same time, in order to reduce the likelihood that the subject will become addicted to the opioid agonist
  • the PPAR ⁇ agonist and opioid agonist may be provided in a single co-formulation or composition
  • the co-formulation or composition comprises both pioglitazone and oxycodone
  • the co-formulation or composition comprises both pioglitazone and hydrocodone
  • the subject is provided with the PPAR ⁇ agonist at the same time the subject is
  • addiction is used to describe a recurring compulsion by an individual to engage in some specific activity, despite harmful consequences to the individual's health, mental state or social life
  • the term is often reserved for drug addictions, but it is sometimes applied to other compulsions, such as problem gambling, and compulsive overeating Factors that have been suggested as causes of addiction include genetic, biological/pharmacological and social factors
  • Addiction is now narrowly defined as "uncontrolled, compulsive use " If there is no harm being suffered by, or damage done to, the patient or another party, then clinically it may be considered compulsive, but to the definition of some it is not categorized as "addiction" In practice, the two kinds of addiction (physiological dependence and psychological dependence) are not always easy to distinguish Addictions often have both physical and psychological components
  • Physical dependence refers to a state resulting from habitual use of a drug, where negative physical withdrawal symptoms result from abrupt discontinuation
  • addictive agents for which a user may develop a physical dependence include nicotine, opioids barbiturates, benzodiazepines, alcohol, ; e , ethyl alcohol, GHB, and methaqualone
  • addictive agents includes any and all agents to which a subject can become addicted, either physically or psychologically, or both
  • addiction includes addiction to chemical entities, such as drugs, e g , ethyl alcohol, nicotine, or cocaine, as well as addiction to other behaviours, e g , pathological gambling, pathological overeating, pathological use of electronic devices, e g , BlackBerry®, pathological use of electronic video games, pathological use of electronic communication devices, pathological use of cellular telephones, addiction to pornography, sex addiction, obsessive compulsive disorder, compulsive spending, anorexia, bulimia, intermittent explosive disorder, kleptomania, pyromania, trichotillomania, compulsive overexercising, and compulsive overworking
  • Addictive agents include addictive recreational drugs, as well as addictive medications
  • addictive agents include, but are not limited to, alcohol, e g , ethyl alcohol, gamma hydroxybutyrate (
  • phenanthrenes include codeine, etorpme, hydrocodone, hydromorphone, morphine, oxycodone, and oxymorphone
  • phenylheptylammes include dimeheptanol, dimenoxadol, dipipanone, isomethadone, methadone, methadyl acetate, and propoxyphene
  • phenylpiperidines include alfentanyl, alphaprodine, beta-promedol, carfentanyl, fentanyl, lofentanil, meperidine, prope ⁇ dine, and sufentanil
  • Specific psychostimulants include, by way of example, amphetamine, cocaine, dextroamphetamine, methamphetamine, pemoline, and methylenedioxymethamphetamine
  • Addiction to two or more addictive agents or addictive behaviours is referred to as polyaddiction
  • Peroxisome proliferator-activated receptors are ligand- activated transcription factors of the nuclear hormone receptor superfamily
  • PPAR ⁇ Peroxisome proliferator-activated receptors
  • the PPAR ⁇ receptor isoform is highly expressed in the liver and kidney and it regulates fatty acid catabolism, the PPAR ⁇ / ⁇ is ubiquitously expressed and is involved in the regulation of different cellular processes including adipocytes keratinocytes and oligodendrocytes differentiation
  • PPAR ⁇ receptors are predominantly expressed in adipose tissue and macrophages, where they are involved in adipocyte differentiation, regulation of sugar and lipid homeostasis and control of inflammatory responses (Heneka ef al 1999, Landreth and Heneka 2001 , Harris and Phipps 2002)
  • TDZs bind with high affinity and activate PPAR ⁇ receptors this has been proposed as the major mechanism through which these molecules exert their therapeutic effects
  • two TDZ compounds are used clinically to treat humans, pioghtazone (Actos®) and rosightazone (Avandia®) Pioghtazone and methods for synthesizing and formulating pioghtazone and pioghtazone compositions are further described in US Patents 4 687,777 5,965,584 and 6,150 383, the disclosure of each of which is hereby incorporated by reference
  • Other compounds (/ e , cightazone, troghtazone, aleglitazar, muraglitazar, tesaghtazar, and ragaghtazar, etc ) are under development
  • Suitable PPAR ⁇ agonists for use in the present invention include selective PPAR ⁇ agonists such as ciglitazone, troghtazone, pioghta
  • Pioghtazone together with rosiglitazone (Avandia®), is an approved anti-diabetic medication that acts primarily by decreasing insulin resistance
  • vandia® rosiglitazone
  • Rosightazone but not pioghtazone has been shown to increase the risk of congestive heart failure
  • Rosightazone binds to PPAR ⁇ receptors with higher affinity (40 to 100 times higher) than piolitazone, but pioghtazone crosses the blood brain barrier more easily
  • PPAR ⁇ agonists are the dual-acting PPAR ⁇ / ⁇ agonists.
  • These dual-acting PPAR agonists are a group of compounds that activate nuclear transcription factors By activating both PPAR ⁇ and PPAR ⁇ receptors, they simultaneously reduce atherogenic triglycerides, raise cardioprotective HDI levels, and improve insulin resistance
  • Examples of dual-acting PPAR ⁇ / ⁇ agonists that may be suitable for use in the present invention include tesaglitazar, aleglitazar, muraglitazar, netoghtazone, naveghtazar, ragaglitazar, farglitazar, JTT-501 , imiglitazar, chightazar, MK 767, 5 LY 929, KRP-297, Compound 3q, 5-subst ⁇ tuted 2-benzoylam ⁇ no-benzo ⁇ c acid derivatives, O-arylmandelic acid derivatives, aza ⁇ ndole- ⁇ -alkyloxy
  • dual-acting PPAR ⁇ agonists that may be used according to the present invention include, but are not limited to, those that activate both PPAR ⁇ and PPAR ⁇
  • dual PPAR gamma/delta agonist is
  • DB959 is a non- thiazolidmedione (non-TZD) and does not have PPAR-alpha activity
  • Another dual PPAR ⁇ / ⁇ agonist is (R)-3- ⁇ 2-ethyl-4-[3-(4-ethyl-2-pyr ⁇ d ⁇ n-2-yl-phenoxy)]- phenyl ⁇ prop ⁇ on ⁇ c, as described in Gonzalez et al
  • An additional example is (R)- 3- ⁇ 4-[3-(4-chloro-2-phenoxy-phenoxy)-butoxy]-2-ethyl-phenyl ⁇ -prop ⁇ on ⁇ c ac ⁇ d,
  • pan-PPAR agonists that activate PPAR ⁇ , PPAR ⁇ , and PPAR ⁇ may be used in certain embodiments of the present invention
  • pan-PPAR agonists include bezfibrate, carbazole-derived compounds, BPR1 H036, PLX-204, GW-625019, GW 677954, and indeglitazar
  • Additional PPAR ⁇ agonists that may be used according to the present invention include, but are not limited to tesaglitazar, maraglitazar, pelightazar, farglitazar reglitazar, nevightazar, oxeghtazar, edaghtazone,
  • PPAR ⁇ agonists may be effectively used in combination with one or more additional therapeutic agents to treat or prevent addiction, including addiction to one or more of the addictive agents described infra and compulsive or addictive behaviour
  • the present invention includes methods of treating or preventing an addiction, comprising providing to a subject addicted to, or at risk of becoming addicted to, an addictive agent one or more PPAR ⁇ agon ⁇ st(s) and one or more additional therapeutic agent(s), in which each of the PPAR ⁇ agon ⁇ st(s) and the additional therapeutic agent(s) contribute to the effective treatment or prevention of the addiction
  • a subject is provided with or administered one PPAR ⁇ agonist and one additional therapeutic agent
  • a subject is addicted to two or more addictive agents.
  • the combination of a PPAR ⁇ agonist and another therapeutic agent may have advantageous additive or synergistic efficacy in treating or preventing addiction or relapse use of an addictive agent.
  • the additional agent is another anti-addiction agent.
  • the PPAR ⁇ agonist and the additional therapeutic agent may be administered at the same time (i.e., concurrently), or either may be administered before the other (i.e., sequentially).
  • both the PPAR ⁇ agonist and the additional therapeutic agent are present in the subject at the same time for a duration of time and at levels sufficient to provide a therapeutic benefit to the subject, i.e., in the treatment or preventing of an addiction or the prevention of a relapse use (or reinstatement) of an addictive agent or compulsive or addictive behaviour.
  • the PPAR ⁇ agonist and the additional therapeutic agent may be administered by the same or different routes of administration.
  • the PPAR ⁇ agonist and the additional therapeutic agent are each provided to a subject according to a standard route of administration of a commercially available or other pharmaceutical composition.
  • the PPAR ⁇ agonist and the additional therapeutic agent are co-administered using a composition comprising both agents.
  • PPAR ⁇ agonist may be any therapeutic agent that contributes to an aspect of the effective treatment or prevention of the addiction.
  • the additional therapeutic agent may be a drug used to treat an addiction or a drug used to alleviate side-effects associated with physiological withdrawal from an addictive agent.
  • the additional therapeutic agent may be any drug that affects brain serotonin neurotransmission, such as selective serotonin reuptake inhibitors (SSRIs), and tricyclic and tetracyclic serotonin and norepinephrine reuptake inhibitors (SNRIs) as described below, and serotonin agonists such as sumatriptan, ergonovine, dihydroergotamine and buspirone.
  • SSRIs selective serotonin reuptake inhibitors
  • SNRIs tricyclic and tetracyclic serotonin and norepinephrine reuptake inhibitors
  • the additional therapeutic agent is an opioid antagonist, including mixed opioid partial agonist/antagonists, an antidepressant, an antiepileptic, an antiemetic, a corticotrophin-releasing factor- 1 (CRF-1) receptor antagonist, a selective serotomn-3 (5-HT3) antagonist, a 5- HT 2A/2C antagonist such as mianserin, mirtazapine and ketanserin, or a cannab ⁇ no ⁇ d-1 (CB1) receptor antagonist, including but not limited to those therapeutic agents specifically described infra
  • an opioid antagonist including mixed opioid partial agonist/antagonists, an antidepressant, an antiepileptic, an antiemetic, a corticotrophin-releasing factor- 1 (CRF-1) receptor antagonist, a selective serotomn-3 (5-HT3) antagonist, a 5- HT 2A/2C antagonist such as mianserin, mirtazapine and ketanserin, or a cannab ⁇ no ⁇ d-1 (CB1) receptor antagonist,
  • the addictive agent is alcohol and the additional therapeutic agent is an opioid antagonist or a mixed opioid antagonist/partial agonist
  • the opioid antagonist is naltrexone
  • the mixed opioid partial agonist/antagonist is buprenorphine
  • the PPAR ⁇ agonist is pioghtazone and the additional therapeutic agent is naltrexone or buprenorphine
  • the addictive agent is alcohol
  • the additional therapeutic agent is topiramate or levetiracetam
  • the PPAR ⁇ agonist is pioghtazone and the additional therapeutic agent is topiramate or levetiracetam
  • the addictive agent is nicotine
  • the additional therapeutic agent is an antidepressant
  • the antidepressant is bupropion or sibutramine
  • the PPAR ⁇ agonist is pioghtazone and the additional therapeutic agent is bupropion
  • the PPAR ⁇ agonist is pioghtazone and the additional therapeutic agent is sibutramine
  • the addictive agent is nicotine and the additional therapeutic agent is naltrexone In one embodiment, the addictive agent is cocaine, and the additional therapeutic agent is buprenorphine In a particular embodiment, the PPAR ⁇ agonist is pioghtazone and the additional therapeutic agent is buprenorphine
  • the addictive agent is a psychostimulant and the additional therapeutic agent is an antidepressant
  • the antidepressant is bupropion
  • the PPAR ⁇ agonist is pioglitazo ⁇ e and the additional therapeutic agent is bupropion
  • the addictive agent is nicotine
  • the additional therapeutic agent is an anti-epileptic
  • the anti-epileptic is levetiracetam
  • the PPAR ⁇ agonist is pioghtazone
  • the anti-epileptic is levetiracetam
  • the anti-epileptic agent is naltrexone
  • the PPAR ⁇ agonist is pioghtazone
  • the anti-epileptic is naltrexone
  • the subject is addicted to two or more addictive agents and the additional therapeutic agent is an opioid antagonist or a mixed opioid partial agonist/antagonist
  • the mixed opioid partial agonist/antagonist is buprenorphine
  • the subject is addicted to both alcohol and nicotine, and the additional therapeutic agent is an anti-epileptic
  • the PPAR ⁇ agonist is pioghtazone
  • the anti-epileptic is naltrexone
  • a subject is provided with a combination of pioghtazone and naltrexone, ciglitazone and naltrexone, rosiglitazone and naltrexone, enghtazone and naltrexone, ⁇ voghtazone and naltrexone, darghdazone and naltrexone, pioghtazone and fluoxentine, ciglitazone and fluoxentine, rosiglitazone and fluoxentine enghtazone and fluoxentine ⁇ voglitazone and fluoxentine, darghdazone and fluoxentine, pioghtazone and mirtazapine, ciglitazone and mirtazapine, rosiglitazone and mirtazapine, enghtazone and mirtazapine, nvoglitazone and mirtazapine, darg
  • combinations to be administered in accordance with the present invention include a PPAR ⁇ agonist and an opioid agonist or a mixed opioid antagonist/partial antagonist, a PPAR ⁇ agonist and an antidepressant, a PPAR ⁇ agonist and a CB1 receptor antagonist/inverse agonist, a PPAR ⁇ agonist and varenicicline, a PPAR ⁇ agonist and acamprosate, and a PPAR ⁇ agonist and disulfiram
  • combinations to be administered in accordance with the present invention include, e gr , a PPAR ⁇ agonist and an antidepressant or a PPAR ⁇ agonist and a partial opioid agonist/antagonist, e g , buprenorphine
  • combinations to be administered in accordance with the present invention include, e g , a PPAR ⁇ agonist and an antidepressant, a PPAR ⁇ agonist and nicotine (as a replacement, in an oral, transcutaneous or other conventional formulation), a PPAR ⁇ agonist and an opioid antagonist, a PPAR ⁇ agonist and a CB1 receptor antagonist/inverse agonist, and a PPAR ⁇ agonist and varenicicline
  • combinations to be administered in accordance with the present invention include, e g a PPAR ⁇ agonist and an opioid agonist or a mixed opioid antagonist/partial antagonist
  • combinations to be administered in accordance with the present invention include, e g , a PPAR ⁇ agonist and and an antidepressant or a PPAR ⁇ agonist and an agent affecting dopamine neurotransmission, e g , a direct or indirect dopamine antagonist
  • the effective amount of either or both of a PPAR ⁇ agonist and an additional therapeutic agent may be reduced when administered in combination that when either is provided alone
  • a lower amount of the PPAR ⁇ agonist, a lower amount of the additional therapeutic agent, or lower amounts of both the PPAR ⁇ agonist or the additional therapeutic agent may be required to achieve the same therapeutic effect that would be provided by either the PPAR ⁇ agonist or the additional therapeutic agent alone
  • Opioid Antagonists acts on one or more opioid receptors At least three types of opioid receptors, mu, kappa, and delta opioid receptors, have been reported, and opioid antagonists are generally classified by their effects on the opioid receptors Opioid antagonists may antagonize central receptors, peripheral receptors or both Naloxone and naltrexone are commonly used opioid antagonist drugs that are competitive that bind to the opioid receptors with higher affinity than agonists, but that do not activate the receptors This effectively blocks the receptor, preventing the body from responding to opiates and endorphins
  • opioid antagonists are not pure antagonists but also produce some weak opioid partial agonist effects, and can produce analgesic effects when administered in high doses to opioid-naive individuals
  • opioid-naive individuals examples include nalorphine, and levallorphan
  • analgesic effects from these drugs are limited and tend to be accompanied by dysphoria, most likely due to action at the kappa opioid receptor Since they induce opioid withdrawal effects in people who are taking, or have previously used, opioid full agonists, these drugs are considered to be antagonists
  • Naloxone is one example of an opioid antagonist that has no partial agonist effects Instead it is a weak inverse agonist at mu opioid receptors, and is used for treating opioid overdose
  • opioid antagonists include alvimopan, binaltorphimine, buprenorphine, cyclazocine, cyclorphan, cypridime, dinicotinate, beta-funaltrexamme, levallorphan methylnaltrexone, nalbuphine, nahde, nalmefene, nalmexone, nalorphine, nalorphine dinicotinate, naloxone, naloxonazine, naltrendol, naltrexone, naltrindole, oxilorphan, and pentazocine
  • Antidepressents are drugs used to treat depression
  • the three neurotransmitters believed to be involved in depression are serotonin, dopamine and norepinephrine
  • Certain types of antidepressants increase the levels of one or more of these neurotransmitters in the brain by blocking their reabsorption
  • SSRIs selective serotonin reuptake inhibitors
  • SNRIs tricyclic and tetracyclic serotonin and norepinephrine reuptake inhibitors
  • NRIs norepinephrine reuptake inhibitors
  • NDRIs norepinephrine and dopamine reuptake inhibitors
  • MAOIs monoamine oxidase inhibitors
  • SSRIs include, e g , ce ⁇ damine, citalopram, clomipramine, cyanodothiepin, dapoxetine, duloxetine, escitalopram, femoxetine, fluoxetine fluvoxamine, ifoxetine, imipramine, indalpine, indeloxazine, litoxetme, lofepramine, miansenne, milnacipran, mirtazapine, nefazadone, nortriptyline, paroxetine, sertraline sibutramine, tomoxetine, trazodone, venlafaxine, and zimeldine Amitriptyline, amoxapine, but ⁇ ptyline, clomipramine, demexiptiline desipramine, dibenzepin, dimetacrine, dothiepin, doxepin, imipramine, ip ⁇ ndole, lofe
  • Nisoxetine, nortriptyline, reboxetine, talsupram, and tomoxetine are all examples of NRIs
  • NDRIs include, e g , bupropion, hydroxybupropion, and tesofensine
  • Azaspirones include, e g , buspirone, gepirone, ipsapirone, tandospirone, and tiaspirone
  • Buspirone is an anxiolytic (partial agonist at 5- HT1 autoreceptors) that may be provided with an anti-depressant such as an SSRI
  • MAOIs include, e g , amiflamine, brofaromme, clorgyline, alpha-ethyltryptamine iproclozide, ipromazid, isocarboxazid, mebanazine, moclobemide, nialamide, pargyhne, phenelzine, pheniprazme, pirlindole safrazine, selegiline, toloxatone, and tranlcypromine
  • Atypical antidepressants include, e g , amesergide, amineptine, benactyzine, bupropion, clozapine, fezolamine, levoprotiline, lithium, medifoxamine, mianserin, minaprine, olanzapine, oxaflozane, oxitriptan, rolipram, teniloxazine tofenacin trazodone tryptophan and viloxazine
  • anticonvulsants also called anti-epileptic drugs (AEDs) are a diverse group of drugs used in prevention of the occurrence of epileptic seizures and bipolar disorders AEDs suppress the rapid and excessive firing of neurons that begins a seizure and/or prevents the spread of the seizure within the brain and offer protection against possible excitotoxic effects that may result in brain damage
  • Many anticonvulsants block sodium channels, calcium channels, AMPA receptors, or NMDA receptors
  • Anti-epileptic agents include, but are not limited to, benzodiazepines, barbituates, valproates, GABA agents, iminostihbenes, hydantoins, NMDA antagonists, sodium channel blockers and succinamides
  • Benzodiazepines include, e gr , alprazolam, chlordiazepoxide, cholrazepate, clobazam, clonazepam, diazepam, halazapam, lorazepam, oxazepam, and prazepam
  • Barbiturates used as anti-epileptics include, e g , amobarbital, mepobarbital, methylphenobarbital, pentobarbital, phenobarbital, and primidone
  • Valproates used as anti-epileptics include, e g , sodium valporate, valproic acid, valproate semisodium, and valpromide
  • Anti-epileptic GABA agents include, e g , gabapentin, pregabalin, losigamone, pregabalin, retigabine, rufinamide, and vigabat ⁇ n
  • Carbamazepine and oxcarbazepine are examples of iminostilbenes
  • Hydantoins include, e g , fosphenytoin sodium, mephenytoin, and phenytoin sodium NMDA antagonists such as harkoseramide are used as anti- epileptics
  • Sodium channel blockers such as lamotrigine are also anti- epileptic agents
  • Succinimides include, e ⁇ / , ethosuximide, methsuximide, and phensuximide
  • anti-epileptic drugs include acetazolamide, briveracetam, CBD cannabis derivative, clomthiazole edisilate, divalproex sodium, felbamate, isovaleramide, lacosamide, lamotrigine, levetiracetam, methanesulphonamide, talampanel, tiagabine, topiramate, safinamide, seletracetam, soretohde, sti ⁇ pentol, sultiam, valrocemide, and zomsamide
  • Anti-emetics are drugs effective against vomiting and nausea Anti-emetics are typically used to treat motion sickness and the side effects of opioid analgesics, general anaesthetics, and chemotherapy
  • Classifications of anti-emetics include, e g , 5-hydroxytryptam ⁇ ne 3 (5-HT3) receptor antagonists, histamine receptor antagonists, dopamine receptor antagonists, muscarinic receptor antagonists, acetyl choline receptor antagonists, cannabinoid receptor antagonists, limbic system inhibitors, NK-1 receptor antagonists, corticosteroids, tachykinin antagonists, GABA agonists, cannabinoids, benzodiazepines, anticholinergics, and substance P inhibitors 5-HT3 receptor antagonists include, e g , alosetron, azasetron, bemesetron, cilansetron, dolasetron, granisetron, indisetron, itasetron, ondansetron, palonosetron
  • Coritcosteroid anti-emetics include dexamethasone and methylprednisolone
  • Lymbic system inhibitors include alprazolam, lorazepam, and midazolam
  • Dopamine receptor antagonists include diphenhydramine, dronabinol, haloperidol, metoclopramide, and prochlorperazine
  • NK-1 receptor antagonists used as an anti-emetic include aprepitant and morphohne, and an example of a GABA agonist is propofol
  • Thiethylperazine is a type of histamine receptor antagonist
  • Cannabinoid receptor antagonists used as anti-emetics include dronabinol, nabilone, rimonabant,about, and tetrahydrocannabinol
  • anti-emetics examples include acetylleucine, monoethanolamine, alizapnde, benzquinamide, bietanautme, bromopnde, buclizine, chlorpromazine, clebop ⁇ de, cyclizine, dimenhydrinate, dipheniodol, domperidone dranisetron, meclizine, methalltal, metopimazme, oxypendyl, pipamazine, pip ⁇ nhyd ⁇ nate, scopolamine, thioproperzaine, and t ⁇ methobenzamide
  • the cannabinoid receptors are a class of the G-protein coupled receptor superfamily Their ligands are known as cannabinoids
  • CB1 which is expressed mainly in the brain, but also in the lungs, liver, and kidney
  • CB2 which is mainly expressed in the immune system and in hematopoietic cells
  • non-CB1 and non-CB2 which are expressed in endothelial cells and in the CNS Cannabinoid receptor antagonists may be selective for either the CB1 or CB2 receptor
  • the present invention contemplates the use of either or both CB1 and CB2 receptor antagonists
  • Addictive agents e g , alcohol, opiates, Delta(9)- tetrahydrocannabinol (Delta(9)-THC) and psychostimulants, including nicotine
  • Addictive agents e g , alcohol, opiates, Delta(9)- tetrahydrocannabinol (Delta(9)-THC) and psychostimulants, including nicotine
  • they share the common property of activating mesolimbic dopamine brain reward systems, and virtually all abused drugs elevate dopamine levels in the nucleus accumbens Cannab ⁇ no ⁇ d-1 (CB1 ) receptors are expressed in this brain reward circuit and modulate the dopamine-releasing effects of Delta(9)-THC and nicotine
  • Rimonabant (SR141716) a CB1 receptor antagonist, blocks both the dopamine-releasing and the discriminative and rewarding effects of Delta(9)-THC in animals
  • CB1 receptor blockade is generally ineffective in reducing the self-administration of cocaine in rodents and primates, it reduces the reinstatement of extinguished cocaine-seeking behaviour produced by cocaine-associated conditioned stimuli and cocaine priming injections
  • CB1 receptor blockade is effective in reducing nicotine-seeking behaviour induced by re-exposure to nicotine-associated stimuli
  • rimonabant was shown to block the subjective effects of Delta(9)-THC in humans and prevents relapse to smoking in ex- smokers
  • cannabinoid receptor CB1 antagonists include SR141716A (rimonabant), rosanabant taranabant and CP-945598 C Methods of Treating and Preventing Relapse
  • Relapse use, or reinstatement refers to the process of returning to the use of alcohol or another addictive agent or the practice of an addictive behaviour after a period of abstinence from, or limited or reduced use of, an addictive agent or practice of an addictive behaviour
  • relapse use of an addictive agent refers to the return to use of an addictive agent by a subject who has undergone physical withdrawal from the addictive agent Typically, the subject will have undergone physical withdrawal from the addictive agent during a period of non-use or limited or reduced use of the addictive agent
  • relapse use occurs in a subject who has previously undergone a treatment regime with an effective amount of an anti- addiction agent to reduce or eliminate use of an addictive agent, but who is no longer using an effective amount of the anti-addiction agent
  • Anti-addictive agents include any and all agents used to treat or prevent addiction or withdrawal symptoms
  • Alcoholism like many other addictions, is a chronic relapsing disorder characterized by high recidivism rates
  • Two major factors triggering relapse behaviour are stress and environmental conditioning experiences (O'Brien et al 1997, Monti et al 1993, Shaham ef al 1995), which probably facilitate relapse to alcohol-seeking via distinct brain mechanisms
  • activation of the mesolimbic dopamine system via an opioid- dependent mechanism or via direct alterations in dopamine transmission in the basolateral nucleus of amygdala
  • seems to mediate the effect of drug- associated cues (Liu and Wiess 2002, Ciccocioppo ef al 2001)
  • extrahypothalamic CRF within the bed nucleus of the stria terminalis and median raphe nucleus is likely to mediate stress-induced reinstatement of drug- seeking behaviour (Erb ef al 1998, Shaham et al 1995, Le ef al 2000)
  • Changes in the regulation of the activity of the CRF system within the CeA may represent a critical neuroadaptive mechanism responsible for the development of dependence and compulsive drug-seeking behaviour
  • the data discussed above identify neuroadaptive changes in brain circuitries and perturbations in stress systems as an important element in compulsive drug-seeking behaviour and dependence
  • Another important factor in the long-lasting addictive potential of drugs of abuse is the conditioning of their rewarding actions with specific environmental stimuli
  • Environmental cues repeatedly associated with the subjective effects of drugs of abuse including alcohol can evoke drug craving (Childress et al 1988, Ehrman ⁇ t al 1992, Monti ef a/ 1993, Pomerleau ef a/ 1983, Stormark ef a/ 1995) or elicit automatic behavioural responses (Miller and Gold 1994, Tiffany and Carter 1998) that ultimately may lead to relapse Learned responses to drug-related stimuli may, therefore, contribute critically to the high rates of relapse associated with cocaine and other drug addiction
  • PPAR ⁇ agonists significantly reduce stress-induced relapse use of an addictive agent (Example 5)
  • pioghtazone, a TZD, consistently reduced OCDS score Example 22
  • Obsession for alcohol and the urge to drink (which are measured by OCDS scale) are the major predictors of relapse
  • naltrexone reduces the urge to drink elicited by presentation of alcohol cues in human alcoholics (Monti et a/ 1993) and decreases the efficacy of an alcohol cue to reinstate extinguished responding at a previously drug-paired lever in rats (Katner ef a/ 1999)
  • naltrexone does not reduce relapse behaviour elicited by stress ((Le A D Psychopharmacology 1998)
  • the present invention provides treatment methods and drug combinations that protect individuals from the effects of more than a single environmental risk factor (; e , stress and environmental conditioning factors)
  • the present invention provides a method of treating or preventing stress-induced relapse use of an addictive agent comprising providing a PPAR ⁇ agonist to a subject who has undergone physiological withdrawal from an addictive agent
  • the invention includes a method of treating or preventing relapse use of an addictive agent or practice of an addictive or compulsive behaviour, comprising providing an effective amount of a peroxisone prohferator-activated receptor gamma (PPAR ⁇ agonist) to a subject who previously reduced or eliminated use of an addictive agent or practice of an addictive or compulsive behaviour in response to exposure to an effective amount of another anti-addiction treatment, wherein the subject is no longer exposed to an effective amount of the anti-addiction treatment.
  • the anti- addiction treatment may be an anti-addiction drug or may be a non- pharmacologic therapy such as counseling, psychotherapy or hypnosis therapy
  • the relapse use may be triggered by stress
  • the subject is no longer exposed to an effective amount of an anti-addiction agent because the subject has become tolerant to the agent, such that the blood plasma concentration of the anti- addiction agent that was previously effective in treating the addiction is no longer effective
  • the subject is no longer exposed to an effective amount of an anti-addiction agent because the subject is now exposed to a lower blood plasma concentration of the anti-addiction agent, and this lower blood plasma concentration is not effective
  • the subject has undergone a period of abstinence from, or limited or reduced use of, the addictive agent or practice of the addictive or compulsive behaviour
  • This period of abstinence or limited or reduced use may be, e g , at least 24 hours, at least 48 hours, at least 3 days at least 5 days, at least one week, at least 2 weeks, at least 1 month, at least 2 months, at least 4 months, at least 6 months at least 9 months, at least one year, at least 2 years, or at least 5 years
  • the present invention includes a method of treating or preventing relapse use of an addictive agent, comprising providing a PPAR ⁇ agonist and an opioid antagonist to a subject who has undergone physiological withdrawal from the addictive agent
  • the present invention includes a method of treating or preventing relapse use of an addictive agent, comprising providing a PPAR ⁇ agonist and a CB1 antagonist, e g , disulfiram, topiramate, levetiracetam, SSRIs, or ondansetron to a subject who has undergone physiological withdrawal from the addictive agent
  • a PPAR ⁇ agonist and a CB1 antagonist e g , disulfiram, topiramate, levetiracetam, SSRIs, or ondansetron
  • the relapse use is triggered by stress an environmental conditioning factor, or both
  • suitable PPAR ⁇ agonists are TDZs such as pioghtazone, etc
  • TDZs such as pioghtazone
  • a suitable opioid receptor antagonist is naltrexone
  • the methods of the present invention may be practiced in subjects addicted to a single addictive agent, they may also be used in subjects addicted to two or more addictive agents Similarly, while these methods may be used to prevent relapse use of the addictive agent from which the subject has undergone withdrawal, they may also be adapted to prevent relapse use or the commencement of use of an addictive agent different than the one from which the subject has undergone physiological withdrawal
  • D Methods of Reducing Withdrawal Symptoms and Treating Depression/Anxiety Withdrawal also known as withdrawal/abstinence syndrome, refers to the characteristic signs and symptoms that appear when a drug or addictive agent that causes physical dependence is regularly used for a long time and then suddenly discontinued or decreased in dosage Withdrawal symptoms can vary significantly among individuals, but there are some commonalities Brain dysfunction associated with withdrawal is often characterized by depression, anxiety and craving, and, if extreme, can help drive the individual to continue the drug despite significant harm - the definition of addiction - or even to suicide
  • PPAR ⁇ agonists reduce withdrawal symptoms (Example 21) In addition, they decreased anxiety and depression, which is also associated with withdrawal (Example 22) These data demonstrate that PPAR ⁇ agonists may be successfully used to reduce withdrawal symptoms, including depression and anxiety, thus making withdrawal easier for subjects and encouraging them to complete the withdrawal process
  • the present invention includes a method of reducing one or more withdrawal symptoms associated with reduced or discontinued use of an addictive agent, comprising providing an effective amount of a peroxisome proliferator-activated receptor gamma (PPAR ⁇ ) agonist to a subject undergoing physiological withdrawal from an addictive agent
  • the addictive agent is alcohol, an opioid agonist, such as morphine, or nicotine
  • the PPAR ⁇ agonist is a TZD, e g , pioghtazone
  • the PPAR ⁇ agonist may be provided to the subject before the subject begins withdrawal and/or during the withdrawal process
  • a subject is provided with a PPAR ⁇ agonist over a period of time during which the subject uses a reduced amount of an addictive agent.
  • the subject may begin using a PPAR ⁇ agonist at the same time that they cease using or begin using a reduced amount of an addictive agent
  • the subject uses a step-wise reduced amount of an addictive agent at the same time as a PPAR ⁇ agonist, until physical withdrawal is completed The subject may then discontinue use of the PPAR ⁇ agonist or continue use of the PPAR ⁇ agonist to prevent relapse Therefore, in related embodiments, the present invention contemplates delivering an addictive agent in combination with a PPAR ⁇ agonist, e g , to reduce the likelihood of developing addiction, or to reduce withdrawal symtoms
  • the PPAR ⁇ agonist, e g , pioghtazone is delivered in combination with nicotine or an opioid agonist
  • the PPAR ⁇ agonist and the addictive agent may be delivered separately or in a single formulation or via a single delivery means
  • both nicotine and a PPAR ⁇ agonist, such as pioghtazone may be delivered via a
  • the present invention has established the efficacy of using combinations of a PPAR ⁇ agonist e g , a TZD such as pioglitazone, in combination with one or more additional therapeutic agents, such as opioid antagonists, antidepressents, antiepileptics, antiemetics, and CB1 receptor antagonists
  • additional therapeutic agents such as opioid antagonists, antidepressents, antiepileptics, antiemetics, and CB1 receptor antagonists
  • the present invention further includes compositions comprising one or more PPAR ⁇ agonists and one or more additional therapeutic agents, such as opioid antagonists, mixed opioid antagonists/partial agonist, antidepressents, antiepileptics, antiemetics, CRF1 receptor antagonists and CB1 receptor antagonists
  • the present invention has also established the efficacy of using a PPAR ⁇ agonist e g , a TZD such as pioglitazone in combination with an addictive therapeutic agent, e g , to prevent or reduce the likelihood that a subject treated with an addictive therapeutic agent will become addicted to it
  • addictive therapeutic agent include, but are not limited to, therapeutic opioid agonists, such as pain medications
  • the present invention includes methods involving contacting a subject with both an addictive therapeutic agent and one or more PPAR ⁇ agonists, as well as pharmaceutical compositions, and unit dosage forms thereof, comprising one or more PPAR ⁇ agonists and one or more addictive therapeutics agents, e g , an opioid agonist such as, e g , oxycodone or hydrocodone
  • the PPAR ⁇ agonist is pioghtazone
  • the addictive therapeutic agent is oxycodone
  • the PPAR ⁇ agonist is pioghtazone
  • the addictive therapeutic agent is hydrocodone
  • the present invention has further established the efficacy of using a PPAR ⁇ agonist, e g , a TZD such as pioghtazone in combination with an addictive agent, e g , to prevent or reduce withdrawal symptoms as a subject stops use or reduces use of the addictive agent
  • addictive agent include, but are not limited to, therapeutic opioid agonists, such as pain medications, nicotine, and alcohol
  • the present invention includes methods involving contacting a subject with both an addictive agent and one or more PPAR ⁇ agonists, as well as pharmaceutical compositions, and unit dosage forms thereof, comprising one or more PPAR ⁇ agonists and one or more addictive agents, e g , an opioid agonist such as, e g , oxycodone or hydrocodone, nicotine, or alcohol
  • the PPAR ⁇ agonist is pioghtazone
  • the addictive therapeutic agent is nicotine
  • the composition comprises one PPAR ⁇ agonist and one additional therapeutic agent
  • a pharmaceutical composition comprises a TZD and one additional therapeutic agent
  • the additional therapeutic agent is an opioid antagonist or a mixed opioid antagonist/partial agonist
  • the opioid antagonist is naltrexone
  • the mixed opioid partial agonist/antagonist is buprenorphine
  • the additional therapeutic agent is an antidepressant
  • the antidepressant is bupropion
  • the additional therapeutic agent is an antiepileptic, an antiemetic, or an opioid antagonist or a mixed opioid partial agonist/antagonist
  • the additional therapeutic agent is an opioid agonist
  • the present invention provides a composition comprising both an addicitive agent, such as nicotine, an opioid agonist, or alcohol, and a PPAR agonist, e g , a TZD such as pioghtazone
  • Such compositions may be in any suitable form
  • a composition may be in any suitable form
  • a composition may be in any suitable form
  • a composition may be in any suitable
  • the dosage of pioghtazone may be e g between 5-45 mg per day between 5-15 mg per day, between 10-15 mg per day or about 5, about 10 or about 15 mg per day In certain embodiments, the dosage of pioghtazone is less than or equal to 15 mg per day or less than or equal to 10 mg per day In certain embodiments, ghtazones are administered at doses from about 5 mg to about 2500 mg per day, and more typically from about 50 mg to about 1500 mg per day In one embodiment, the ghtazone is troghtazone and it is used at doses from about 100 mg to about 1000 mg per day In another embodiment the ghtazone is rosightazone, and it is used at doses of
  • the PPAR agonist is a PPAR ⁇ agonist, e g , aTZD
  • the PPAR ⁇ agonist is pioglitazone, rosightazone, ciglitazone, troghtazone, enghtazone, ⁇ voglitazone, or darghdazone
  • the opioid agonist is a phenanthrene, a phenylheptylamme, or a phenylpiperidine
  • the opioid agonist is alfentanil, allylprodine, alphaprodine, anileridine, apomorphme, benzylmorphme, beta- hydroxy 3-methylfentanyl, bezitramide, carfentanil, clonitazene, codeine, desomorphme, dextromoramide, diace
  • compositions of the present invention may be administered to a subject as a pharmaceutical composition or formulation
  • pharmaceutical compositions of the present invention may be in any form which allows for the composition to be administered to a subject
  • the composition may be in the form of a solid, liquid or gas (aerosol)
  • the compositions may be provided using drug delivery systems suitable for delivering by any appropriate route of administration, including e g , intranasal sprays or inhalation devices Typical routes of administration include, without limitation, oral, topical, parenteral, transdermal intranasal, inhalation, sublingual, rectal vaginal, and intranasal
  • parenteral as used herein includes subcutaneous injections intravenous, intramuscular, epidural, intrasternal injection or infusion techniques
  • compositions used according to the present invention comprise a PPAR agonist (e g , a PPARg agonist), another therapeutic agent, and a pharmaceutically acceptable diluent, excipient, or carrier 'Pharmaceutically acceptable carriers" for therapeutic use are well known in the pharmaceutical art, and are described, for example, in Remingtons Pharmaceutical Sciences.
  • compositions may contain common excipients and carriers such as starch, sucrose, talc, gelatin, methylcellulose, and magnesium stearate
  • compositions of the invention are generally formulated so as to allow the active ingredients contained therein to be bioavailable upon administration of the composition to a subject
  • Compositions that will be administered to a subject may take the form of one or more dosage units, where for example, a tablet, capsule or cachet may be a single dosage unit, and a container comprising a combination of agents according to the present invention in aerosol form may hold a pluralit
  • the composition comprising a PPAR ⁇ agonist and another therapeutic agent is administered in one or more doses of a tablet formulation typically for oral administration
  • the tablet formulation may be, e g , an immediate release formulation, a controlled release formulation, or an extended release formulation, e g , a depot formulation
  • extended release formulations of the invention release at least 80% of the active ingredients in vivo over a period of greater than 24 hours, greater than 48 hours, greater than one week, greater than one month, or even greater than 2 or 4 months Extended release formulations of the invention therefore allow for less frequency of dosing to the mammal in need thereof than other more immediate or controlled release formulations
  • a tablet formulation comprises an effective amount of a composition comprising a PPAR ⁇ agonist and another therapeutic agent
  • a tablet comprises about 1 5, 10, 20, 30, 50 100, 150, 200, 250, or 300 mg of a PPAR ⁇ agonist, such as pioglitazone, and about 1 , 5, 10, 20, 30, 50 100, 150, 200, 250, or 300 mg of another therapeutic agent
  • the present invention further includes unit dosage forms of 5 pharmaceutical compositions comprising a PPAR ⁇ agonist and another therapeutic agent
  • Each unit dosage form comprises a therapeutically effective amount of a pharmaceutical composition of the present invention, when used in the recommended amount
  • a unit dosage form may include a therapeutically effective amount in a single tablet, or a unit dosage form may
  • 10 include a therapeutically effective amount in two or more tablets, such that the prescribed amount comprises a therapeutically effective amount.
  • compositions comprising both nicotine and a PPAR ⁇ agonist, such as pioglitazone
  • a PPAR ⁇ agonist such as pioglitazone
  • the invention includes a
  • transdermal patch suitable for drug delivery which patch comprises both nicotine and a PPAR ⁇ agonist, such as pioglitazone
  • the patch provides for continued or controlled release of both nicotine and the PPAR ⁇ agonist
  • the transdermal patch provides for 16 or 24 hour release of nicotine and the PPAR ⁇ agonist, e g ,
  • the dosage of pioglitazone released over 16 to 24 hours is between 5-45 mg, between 5-15 mg, between 10-15 mg, or about 5, about 10, or about 15 mg In certain embodiments, the dosage of pioglitazone released over the 16-24 hours is less than or equal to 15 mg or less than or equal to 10 mg In particular embodiments, it is about 15 mg per
  • the dosage of nicotine released over 16-24 hours is between 5 and 25 mg, e g , about 21 mg, 14 mg or 7 mg
  • a number of the PPAR ⁇ agonists and other therapeutic agents described herein are approved for human use at particular dosages
  • the present invention contemplates using these agents at their approved dosages
  • a PPAR ⁇ agonist is provided to a subject in an amount in the range of 0 1-1000 mg/day, 1-1000 mg/day, 10-100 mg/day, or 25-50 mg/day
  • pioghtazone is provided to a patient at about 30 mg/day
  • Table 1 lists representative agents used in the present invention and provides the daily dosages at which these agents are conventially administered to adults for other indications, which dosages are believed to be useful for administration in accordance with the methods of the present invention in the treatment or prevention of addiction and relapse use or practice
  • Dosages listed are oral unless otherwise indicated It is believed that the dosages of these agents may be reduced when delivered in combinations of a PPAR ⁇ agonist and an additional therapeutic agent in accordance with the present invention for the treatment or prevention of addiction or for the treatment or prevention of relapse use These reductions may be up to 10% of conventional dosages, or up to 20% of conventional dosages, or up to one third of conventional dosages, up to one half of conventional dosages or up to two thirds of conventional dosages
  • pioghtazone is most commonly dosed at 30 mg per day for treatment of diabetes, which dosage was found to be effective for the treatment of alcoholism (Example 22) When combined with 50 mg/day naltrexone in accordance with the present invention for treatment of addiction, it
  • a unit dosage form of a pharmaceutical composition of the present invention comprises about 15-45 mg of pioglitazone and about 25-50 mg of naltrexone This unit dosage form may consist of one or more tablets In one particular embodiment, a unit dosage form of a pharmaceutical composition of the present invention comprises about 30 mg of pioglitazone and about 50 mg of naltrexone This unit dosage form may consist of one or more tablets
  • a unit dosage form of a pharmaceutical composition of the present invention comprises about 15-45 mg of pioglitazone and about 5-10 mg of oxycodone In another embodiment, a unit dosage form of a pharmaceutical composition of the present invention comprises about 15- 45 mg of pioglitazone and about 5-100 mg of hydrocodone In another embodiment, a unit dosage form of a pharmaceutical composition of the present invention comprises about 15-45 mg of pioglitazone and about 0 5-4 0 mg (IM or IV) or about 1 0-2 0 mg (nasal spray) of butorphanol In another embodiment, a unit dosage form of a pharmaceutical composition of the present invention comprises about 15-45 mg of pioglitazone and about about 30-240 mg of codeine In another embodiment, a unit dosage form of a pharmaceutical composition of the present invention comprises about 15-45 mg of pioglitazone and about 65-240 mg of dextropopoxyphene In another embodiment, a unit dosage form of a pharmaceutical composition of the present invention comprises
  • a unit dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about 0 5-4 0 mg (IM or IV) or about 1 0-2 0 mg (nasal spray) of butorphanol
  • a unit dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about about 30-
  • a unit dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about 65-240 mg of dextropopoxyphene In another embodiment, a unit dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about 5-60 mg
  • a unit dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about 15-200 mg of morphine In another embodiment, a unit dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about 0 3 mg of fentanyl In
  • a unit dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about 2-25 mg of hydromorphone In another embodiment, a unit dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about 2 0 mg of levorphanol In another embodiment, a unit dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about 2 0 mg of levorphanol.
  • a dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about 75-600 mg of meptazocine
  • a unit dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about 13- 200 of meperidine
  • a unit dosage form of a pharmaceutical composition of the present invention comprises about 2-8 mg of rosightazone and about 10-120 mg of methadone
  • kits comprising one or more unit dosage forms of a PPAR ⁇ agonst and one or more unit dosage forms of another therapeutic agent, such that the two unit dosage forms may be provided to a subject in a therapeutically effective manner
  • a kit comprises unit dosage forms of pioghtazone and naltrexone, ciglitazone and
  • Pioglitazone, rosightazone, fluoxetine, mirtazapine, topiramate gabapentine, ondansetrone, and levetiracetam was purchased from commercial sources Yohimbine and ciglitazone were purchased from SIGMA SRL(Mi Italy) Naltrexone and GW9662 were obtained from TOCRIS (U K)
  • msP rats were allowed free choice between water and 10% (v/v) alcohol 24 h/day for at least 15 days
  • the fluids were offered in graduated drinking tubes equipped with metallic drinking spouts
  • the position (to the right or left) of alcohol and water drinking tubes was changed daily to avoid the development of side preference
  • Water and food were available ad libitum, while alcohol access was either restricted to 2 hours/day (Examples 1 and 2) or was available 24 hours/day (Examples 3 and 4) Alcohol, water and food intakes were measured
  • msP rats were trained to self-administer 10% (v/v) alcohol for 15 days in 30-min daily sessions under a FR1 schedule of reinforcement During the infusion, a stimulus house light was turned on for 5 s (time out, TO) Lever presses during the TO period were counted, but did not lead to further infusions
  • rats were tested for the effect of pioghtazone (0 0, 10 0, 30 0 mg/kg) using a within subject counterbalanced Latine square design where each animal received all drug doses Before starting the treatment, rats were trained to gavage administration procedures for three days, during which they received vehicle (distilled water)
  • msP rats received two doses of pioghtazone or vehicle at 12 hours and at 1 hour before access to ethanol Drinking experiments were conducted right at the beginning of the dark cycle Alcohol, water and food intakes were monitored at 30, 60 90 and 120 minutes after ethanol was made available
  • Pioghtazone treatment was continued for seven consecutive days and drug (or vehicle) was administered twice a day at 12 hour and at 1 hour before the beginning of dark period of the light/dark cycle Alcohol, water and food intakes were monitored at 2, 8 and 24 hours Fluids and food intakes were monitored for three additional days after the end of the drug treatment period
  • Sub-chronic (7 days) pioghtazone administration significantly reduced voluntary ethanol intake in msP rats
  • the effect appeared from the first day of treatment at the highest drug dose ( Figures 3A, 3B and 3C)
  • the effect progressively increased during treatment, and starting from the 4 th day of treatment, both drug doses (10 and 30 mg/kg) significantly reduced ethanol intake
  • the reinstatement test was conducted by re-exposing them to the conditioned stimuli predictive of ethanol or water availability but in the absence of the fluids Pioghtazone (0 0, 10 0 30 0 mg/kg) was given 12 hours and 1 hour before the reinstatement test
  • Experiments were conducted at the beginning of the dark phase of the light/dark cycle Animals received all drug treatments according to a counterbalance Latin square design, and a 3-day interval was allowed between reinstatement sessions
  • animals reached a lever pressing response of about 60 in 30 mm , while the response for water was 20 During extinction, lever pressing progressively decreased to 5 87 ⁇ 1 07 of the last extinction day
  • the ANOVA showed that cues had a significant overall effect on
  • Yohimbine (1 25 mg/kg, IP) was given 30 mm after naltrexone administration
  • Animals received all drug treatments according to a counterbalance Latin square design A 3-day interval, during which animals were subjected to extinction sessions, was allowed between drug tests In the reinstatement test, active and inactive lever responses were recorded
  • rats reached a stable baseline of responding for 10% (v/v) alcohol in 15 days
  • Rats treated with drug vehicles served as a control Before starting the treatment, rats were trained to gavage administration for three days, during which they received drugs vehicle (distilled water) Pioglitazone and topiraate were given twice, at 12 hours and 1 hour before access to ethanol Drinking
  • PPAR ⁇ agonists alone or in combination with opioid antagonists are effective in reducing ethanol abuse
  • week 2 eto
  • the analysis of variance revealed an overall effect of treatment
  • the analysis of variance revealed an overall effect of treatment
  • pioghtazone reduces anxiety and depressive symptoms in alcoholic patients This could also explain why after two months of drug administration, all 4 patients under pioghtazone were still in treatment, whereas 2 patients of the control group and 1 of the naltrexone the group dropped out It is also highly relevant that pioghtazone consistently reduced OCDS score Obsession for alcohol and the urge to drink (which are measured by OCDS scale) are the major predictors of relapse These data indicate, therefore, that pioghtazone has anti-relapse properties
  • Pioghtazone obtained from a commercial source was suspendend in distilled water, and the resulting suspension was maintained under constant agitation until administration Pioghtazone was given orally (OS) via gavage procedure 12 hours and 1 hour before the beginning of cocaine self-administration
  • OS orally
  • Male Wistar rats weighing between 180 and 200 g at the time of arrival in the lab were used The rats were housed in groups of three in a humidity- and temperature-controlled (22° C) vivarium on a 12 h 12 h reverse light/dark cycle (on, 17 00, off, 05 00) with ad libitum access to food and water
  • a silastic catheter was implanted into the right jugular vein.
  • mice Male Long Evans rats weighing between 180 and 200 g at the time of arrival in the lab were used The rats were housed in groups of three in a humidity- and temperature-controlled (22° C) vivarium on a 12 h 12 h reverse light/dark cycle (on, 17 00, off, 05 00) with ad libitum access to food and water One week after arrival, the rats were subjected to surgery, and a silastic catheter was implanted into the right jugular vein
  • rats were allowed to self- admmister nicotine at the 0 03 mg/kg/infusion dose by switching the delivery of cocaine for the delivery of a nicotine infusion Nicotine self-administration training continued until stable baseline of responding was established (less than 20% variation for 3 consecutive days calculated for each single rat) At this point, drug testing began
  • EXAMPLE 25 EFFECT OF PIOGLITAZONE AND SELECTED THERAPEUTIC AGENTS ON NICOTINE USE
  • the ability of PPAR ⁇ agonists in combination with other therapeutic agents, such as bupropion, nicotine replacement formulations, naltrexone varenicicline, and CB1 receptor antagonist/inverse agonists, e g , rimonabant, rosonabant, taranabant, and CP-945598, to synergistically reduce nicotine use is determined in a rat model of nicotine addiction
  • operant self-administration paradigms essentially as described in Example 23 (see also Bruijnzeel and Markou, 2003, Rauhut et al 2003) Briefly, male Wistar rats are implanted with a permanent silastic catheter into the right jugular vein for intravenous nicotine self-admimsration (0 03 mg/mfusion) Using operant self-administration chambers, rats are trained to self-infuse nicotine under a fixed ratio 5
  • rats are treated with pioghtazone (predicted dose range 5-30 0 mg/kg) or with other PPR ⁇ agonists in combination with bupropion, nicotine (replacement formulations, / e , nicotine patches), naltrexone, varenicicline, or rimonabant
  • the lowest effective dose for each of the compounds is tested in association with the PPAR ⁇ agonist
  • a dose range for bupropion is 10-100 mg/given OS
  • a dose range for naltrexone is 0 25-2 5 mg/kg given IP
  • a dose range for varenicline is 0 25-2 5 mg/kg given IP
  • a dose range for rimonabant is (0 1 3 0 mg/kg given IP) (Bruijnzeel and Markou 2003 Rauhut ef a/ 2003 Steensland P et al 2007 Cohen et al 2005)
  • Example 23 Experiments are conducted using operant self administration paradigms as described in Example 23 (see also Glatz et al 2002 Peltier et al 1993) Briefly male Wistar rats are implanted with a permanent silastic catheter into the right jugular vein for intravenous cocaine self-administration (0 25 mg/infusion) Using operant self-administration chambers rats are trained to self infuse cocaine under a fixed ratio 5 schedule of reinforcement (five lever presses to obtain one cocaine infusion) Cocaine self-administration training is continued until stable baseline of responding is established At this point drug testing is begun In a within subject counterbalance order (Latin square design) rats are treated with pioglitazone (predicted dose range 5 30 0 mg/kg) or with another PPR ⁇ agonist in combination with bupropion, fluoxetine, or buprenorphine To evaluate synergism between PPRA ⁇ agonists and these latter drugs, the lowest effective dose for each of the compound is tested in association A dose range for bupropion is 10 0-100 0 mg/
  • Place preference score (referred to as ⁇ time) for each rat is obtained by subtracting the time spent in the compartment associated with morphine vehicle to the time spent in the compartment associated to morphine injections
  • the ⁇ time values are submitted to statistical analysis Data is analyzed by analysis of variance followed by post-hoc tests (Newman-Keuls or Dunnets) where appropriate Statistical significance is set at P ⁇ 0 05
  • varenicline which selectively targets the alpha4beta2 nicotinic acetylcholine receptors where it acts as a partial agonist
  • varenicline Chondix®
  • This agent has an improved efficacy profile compared to previously existing treatments Nevertheless, after approximately one year from its commercialization, serious concerns about side effects associated with varenicline treatment are emerging
  • positive associations between varenicline treatment, suicidal ideation, paranoia, and irritability have been described (Kohen and Kremen 2007, Morstad, Kutscher ⁇ t al 2008)
  • varenicline compared to bupropione (p ⁇ 0 05), while no significant differences were identified between pioghtazone and varenicline.
  • ACTH and Cortisol levels are expressed as pg/dl and ⁇ g/l, respectively Blood samples were taken between 6:00 and 10:00 a m.
  • T 2 36 20 40 17 46 20
  • mice EFFECT OF PIOGLITAZONE ON MORPHINE-INDUCED ANALGESIC TOLERANCE
  • mice as previously described (Contet ef a/ 2008, Mamiya ef a/ , 2001) 49 male CD mice (Charles River, Calco, Italy, weighing 28-30 g at the beginning of the experiment, were employed All animals were handled for three days before the beginning of the treatment and behavioral tests Experimental subjects were housed in common cages in rooms with artificial 12 12 h light/dark cycle (lights off at 9 00 a m ), with constant temperature (20-22°C) and humidity (45-55%) During the experiments, animals were offered free access to tap water and food pellets (4RF18, Mucedola, Settimo Milanese Italy) Experiments were conducted during the dark phase of the light/dark cycle All procedures were conducted in adherence to the European Community Council Directive for Care and Use of Laboratory
  • each mouse was gently restrained in a soft tissue pocket, and the tail (1 cm from the tip) was exposed to a hot light beam Latency for tail-flick was measured with a 6 seconds cut-off time
  • each mouse was restrained in a soft tissue pocket, and the distal half of the tail dipped into a water bath set at 52 C 0 Latency for removing the tail from the hot water was measured with a 10 seconds cut-off time
  • mice 20 male Wistar rats (Charles River, Calco, Italy) were employed At the beginning of the experiments, the animals' body weights ranged between 250 and 280 g Rats were handled once daily for 5 mm for one week before the beginning of the experiments, Experimental subjects were housed in common cages in rooms with artificial 12 12 h light/dark cycle (lights off at 9 00 a m ), constant temperature (20-22 0 C) and humidity (45-55%) During the experiments, animals were offered free access to tap water and food pellets (4RF18
  • Heroine hydrochloride was purchased from Salars (Milano Italy) Heroine was dissolved in NaCI 9% at a concentration of 10 ⁇ g/0 1 ml for infusion and given intravenously (IV)
  • the self-administration stations consisted of operant conditioning chambers (Med Associate lnc ) enclosed in sound-attenuating, ventilated environmental cubicles Each chamber was equipped with two retractable levers located in the front panel of the chamber Heroin was delivered by a plastic tube that was connected with the catheter before the beginning of the session An infusion pump was activated by responses on the right or active lever, while responses on the left or inactive lever were recorded but did not result in any programmed consequences. Activation of the pump resulted in a delivery of 0 1 ml of fluid An IBM compatible computer controlled the delivery of fluids and recording of the behavioral data
  • Opiate drugs are the major pharmacological remedy used for pain treatment
  • opioid addiction e g , heroine self-administration
  • the combination with pioghtazone would result in reduced risk of escalating morphine (or any other opiate agonist) doses and would prevent the development of opiate addiction
  • PPAR ⁇ agonists have been shown to also possess intrinsic antiinflammatory properties and reduce neuropatic pain Hence, in addition to reducing morphine tolerance and addiction, they could also expand the analgesic profile of opioids
  • Blanchard, R J , Ho ⁇ , K , Tom, P , and Blanchard, C Social structure and ethanol consumption in laboratory rats, Pharmacol Biochem Behav ,
  • PPARs Peroxisome proliferator-activated receptors
  • Non-contingent electric shock facilitates the acquisition of intravenous cocaine self-administration in rats, Psychopharmacology, 114, 63, 1994
  • Corticotropin-releasing factor reduces emotionality in socially defeated rats via direct neurotropic action Brain Res , 581 , 190, 1992
  • Peroxide proliferator-activated receptor gamma agonists protect cerebellar granule cells from cytokine-induced apoptotic cell death by inhibition of inducible nitric oxide synthase J Neuroimmunol 1999,100 156-168
  • Adipo Q is a novel adipose- specific gene dysregulated in obesity J Biol Chem 271 10697-10703 Hwang, J , Klemhenz, D J , Lassegue, B .G ⁇ endling K K , Dikalov, S , Hart, C M , 2005 Peroxisome proliferator-activated receptor-gamma ligands regulate endothelial membrane superoxide production Am J Physiol Cell Physiol 288.C899-C905
  • Peroxisome proliferator-activated receptor (PPAR) alpha activation increases adiponectin receptors and reduces obesity related inflammation in adipose tissue comparison of activation of
  • Weiss F Ciccocioppo R , Parsons L H , Katner S , Liu X , Zor ⁇ lla E P , Valdez G R , Ben-Shahar O , Angeletti S , Richter R R Compulsive drug-seeking behaviour and relapse Neuroadaptation, stress, and conditioning factors Ann N Y Acad Sci 2001 ,937 1-26
  • Weiss F Lorang M T , Bloom F E Koob G F
  • Oral alcohol self- administration stimulates dopamine release in the rat nucleus accumbens genetic and motivational determinants J Pharmacol Exp.
  • Activation of cerebral peroxisome proliferator-activated receptors gamma exerts neuroprotection by inhibiting oxidative stress following pilocarpine- induced status epilepticus Brain Res 2008,120OC 146-58

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Abstract

La présente invention porte sur des méthodes de traitement ou de prévention de la dépendance aux agents addictifs et de la rechute chez les personnes dépendantes à ces agents, et de traitement ou de prévention d'un comportement addictif ou compulsif et d'une réapparition d'un comportement addictif ou d'une compulsion, par administration d'un agoniste du récepteur gamma activé de la prolifération des peroxysomes (PPAR), seul ou en combinaison avec un autre agent thérapeutique, tel que, par exemple, un antagoniste des récepteurs opioïdes ou un antidépresseur, ou un agent addictif, tel que, par exemple, un agoniste opioïde. La présente invention porte également sur des compositions pharmaceutiques pour traiter ou prévenir l'addiction ou la rechute, qui comprennent un agoniste de PPAR et un ou plusieurs autres agents thérapeutiques ou addictifs, ainsi que des formes posologiques unitaires de telles compositions pharmaceutiques, qui contiennent un dosage efficace pour le traitement ou la prévention de l'addiction ou de la rechute. Les méthodes et compositions de l'invention sont utiles pour le traitement ou la prévention de l'addiction à tout agent, comprenant l'alcool, la nicotine, la marijuana, la cocaïne et les amphétamines, ainsi que des comportements compulsifs et addictifs comprenant le jeu pathologique et l'hyperphagie pathologique.
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BRPI1009141A2 (pt) 2016-03-08
JP2012520320A (ja) 2012-09-06
CN106692144A (zh) 2017-05-24
KR20110127263A (ko) 2011-11-24
MX2011009384A (es) 2011-10-11
NZ619408A (en) 2015-08-28
AU2010224037A1 (en) 2011-10-27
JP6163289B2 (ja) 2017-07-12
CN102348457A (zh) 2012-02-08
CA2754901A1 (fr) 2010-09-16
EP3398599A1 (fr) 2018-11-07
AU2010224037B2 (en) 2015-02-05

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