US20140179651A1 - Ciclesonide for the treatment of airway disease in horses - Google Patents

Ciclesonide for the treatment of airway disease in horses Download PDF

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US20140179651A1
US20140179651A1 US14/132,580 US201314132580A US2014179651A1 US 20140179651 A1 US20140179651 A1 US 20140179651A1 US 201314132580 A US201314132580 A US 201314132580A US 2014179651 A1 US2014179651 A1 US 2014179651A1
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ciclesonide
pharmaceutically acceptable
acceptable salt
composition
inhaler
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Balazs Albrecht
Michael Aven
Janine LAMAR
Ingo Lang
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Boehringer Ingelheim Vetmedica GmbH
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Boehringer Ingelheim Vetmedica GmbH
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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
    • A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
    • A61K31/58—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/007—Pulmonary tract; Aromatherapy
    • A61K9/0073—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/007—Pulmonary tract; Aromatherapy
    • A61K9/0073—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy
    • A61K9/0078—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy for inhalation via a nebulizer such as a jet nebulizer, ultrasonic nebulizer, e.g. in the form of aqueous drug solutions or dispersions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/007—Pulmonary tract; Aromatherapy
    • A61K9/0073—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy
    • A61K9/008—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy comprising drug dissolved or suspended in liquid propellant for inhalation via a pressurized metered dose inhaler [MDI]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system

Definitions

  • the invention relates to the field of medicine, in particular to the field of veterinary medicine.
  • the invention relates to glucocorticoids or inhaled glucocorticoids, especially ciclesonide or a pharmaceutically acceptable derivative thereof, for the treatment of airway disease in horses, such as pulmonary disease, preferably recurrent airway obstruction (RAO), summer pasture associated obstructive pulmonary disease (SPAOPD), and inflammatory airway disease (IAD).
  • REO recurrent airway obstruction
  • SPAOPD summer pasture associated obstructive pulmonary disease
  • IAD inflammatory airway disease
  • Equine airway disease is a prominent disease in many horses. It can be divided into the diseases of the upper and lower airways. There are a number of equine lower airway diseases with noninfectious origin such as RAO (or heaves or equine chronic obstructive pulmonary disease), IAD, SPAOPD and exercise induced pulmonary hemorrhage (EIPH). The latter is typically diagnosed in racehorses. RAO, IAD and SPAOPD are discs eases with an allergic background. Rarely diagnosed additional lower airway disorders are granulomatous, neoplastic and interstitial pneumonias. The infectious diseases of the lower airway include bronchitis, pneumonia, pleuritis or a combination of these caused by viral, bacterial, fungal and parasitic agents (Kutasi et al., 2011, hereby incorporated by reference).
  • RAO or heaves or equine chronic obstructive pulmonary disease
  • IAD heaves or equine chronic ob
  • Equine airway diseases with an allergic background cannot be cured but only kept asymptomatic.
  • the known therapies for these horses include changes in the environment and the administration of different drugs.
  • the aim of the change in the stable environment is to improve airway quality and to reduce the allergen exposure of the horses, which might trigger the exacerbations of RAO, SPAOPD and IAD.
  • the following drugs are used for the treatment of airway diseases with noninfectious origin: glucocorticoids, bronchodilators ((32 agonists and anticholinergic agents), and mucosolvants (d salsaxin and acetylcystein).
  • antibiotics are administered for infectious airway diseases.
  • Prominent side effects of these standard therapies are tachycardia, mydriasis, and colic for bronchodilators and adrenocortical suppression (reduction in the blood serum levels of cortisol), laminitis, hepatopathy, muscle wasting, altered bone metabolism, increased susceptibility to infection (neutrophilia, lymphopenia) and decreased antibody response to vaccination for glucocorticoids (Couetil et al., 2007, Dauvillir et al., 2011, hereby incorporated by reference).
  • the problem underlying the present invention is to provide a medication for horses which allows the treatment of airway disease in horses while reducing the risk of side effects for the treated animals.
  • ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is particularly advantageous for the use in a method of treating an airway disease in equines, preferably horses.
  • An advantage of the present invention is the absence or reduction of side effects.
  • the administration of glucocorticoids can decrease the production of cortisol by the hypothalamic-pituitary-adrenal (HPA) axis.
  • HPA hypothalamic-pituitary-adrenal
  • measurement of serum cortisol level is generally used as surrogate marker of glucocorticoid systemic activity and a tool for assessing systemic bioavailability of glucosorticoids.
  • Such a reduction of equine serum cortisol levels occurs in state of the art treatment options including drug administration via a peroral or parenteral (e.g. dexamethasone, prednisone) as well as via an inhalative (beclomethasone, fluticasone proprionate and budesonide) route.
  • drug administration via a peroral or parenteral (e.g. dexamethasone, prednisone) as well as via an inhalative (beclomethasone, fluticasone proprionate and budesonide) route.
  • an inhalative beclomethasone, fluticasone proprionate and budesonide
  • the treatment option provided by the present invention minimizes the risks associated with complications caused by altered metabolism or compromised immune system, etc.
  • Neutrophilia and lymphopenia is commonly observed after the state of the art treatment with dexamethasone (see example 4, Table 2). This can lead to increased susceptibility to infections.
  • no alteration is observed in the immune system of horses measured by neutrophilia and lymphopenia after treatment for two weeks with different dose levels of ciclesonide (see example 4, Table 2).
  • Another advantage of the present invention is treatment convenience.
  • the state of the art treatment with dexamethasone does not allow the administration of constantly high dose levels for a longer time period due to the risk of developing side effects. Therefore, the dose of dexamethasone has to be continuously adjusted after treatment initiation considering a number of factors (e.g. route of drug administration, medical history, clinical condition and body weight of the horse) with the aim to prevent or minimize side effects while administering a high enough dose for assuring clinical efficacy.
  • the present invention provides a superior treatment option for horses with a lower risk for developing side effects. Thus, it does allow for a treatment over long periods of time at is constantly high dose levels with assuring the required clinical efficacy, which is comparable to dexamethasone.
  • the safety profile of ciclesonide is also more advantageous compared to other aerosol glucocorticoids like fluticasone proprionate.
  • fluticasone proprionate shows significant suppression in measured cortisol levels in both humans and horses after aerosol administration (Robinson et al., 2009 and Grahnen et al., 1997).
  • cortisol suppression with ciclesonide there is no or clinically not relevant cortisol suppression with ciclesonide in humans or in horses after aerosol inhalation.
  • An additional advantage of the present invention is the prodrug nature of ciclesonide. It has been shown that the active metabolite, C21-C21-desisobutyrylciclesonide, is generated in the airways of humans or other mammals.
  • the prodrug ciclesonide has to be activated by special enzymes in the airway tissues in order to generate C21-21-desisobutyrylciclesonide, which is the effective molecule.
  • special enzymes in the equine airway tissues has not been previously reported.
  • Other substances like fluticasone proprionate, which is not a prodrug do not need enzymatic conversion to be able to be active in the lungs of horses or other mammals.
  • the present invention surprisingly demonstrates for the first time that ciclesonide can be converted into the effective molecule C21-C21-desisobutyrylciclesonide in horses (please see example 5) and that ciclesonide administration thus results in a beneficial therapeutic effect in horses with airway disease.
  • ciclesonide undergoes reversible fatty acid esterifications with fatty acids in human lung tissue.
  • the fatty acid conjugates may serve as a depot. It has not been previously reported whether the same esterification process occurs in equine lung tissues as well or not. Other substances like fluticasone proprionate do not generate fatty acid conjugates in human lung tissues at all.
  • the present invention concerns ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof for use as a medicament for treating an equine, preferably a horse.
  • the present invention concerns ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof for use in a method of treating an equine, preferably a horse.
  • the present invention concerns ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof for the use in a method of treating an airway disease in equines, preferably horses.
  • the present invention concerns ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof for the use in a method of treating (an) airway disease(s) in (an) equine(s), preferably in (a) horse(s).
  • said ciclesonide or said pharmaceutically acceptable salt thereof or said composition comprising ciclesonide or said pharmaceutically acceptable salt thereof is inhalable/(in the form of) an inhalant.
  • the ciclesonide or the pharmaceutically acceptable salt thereof or the composition comprising ciclesonide or the pharmaceutically acceptable salt thereof is in a liquid formulation, preferably an ethanolic formulation, which can be aerosolized to facilitate its inhalation.
  • the liquid formulation is partially ethanolic and partially aqueous.
  • the liquid formulation comprises one or more of the solvents: water, ethanol, hydrofluoroalkane(s) such as HFA 227 and HFA 134a, hydrofluoroolefin(s) such as HFO-1234ze, and optionally additional excipients.
  • HFA is short for hydrofluoroalkane and HFO is the abbreviation for hydrofluoroolefin.
  • the solvent of the liquid formulation comprises/consists of a mixture of ⁇ 85% V/V ethanol and ⁇ 15% V/V water, such as for example 10% V/V aqueous and 90% V/V ethanol.
  • the solvent of the liquid formulation comprises a mixture of ethanol and water, whereby the proportion of ethanol is in the range of 85-100% V/V, preferably 90-95% V/V.
  • the proportion of ethanol is 90% V/V ethanol.
  • the formulation (inhalation solution) of ciclesonide is as follows:
  • a further aspect of the present invention is the application of the liquid formulation using an inhalation device, such as the RESPIMAT® inhaler or another inhalation device using the RESPIMAT® aerosol-generating technology.
  • an inhalation device such as the RESPIMAT® inhaler or another inhalation device using the RESPIMAT® aerosol-generating technology.
  • the RESPIMAT® inhaler is disclosed for example in WO 97/12687, which is hereby incorporated by reference. This inhaler can advantageously be used to produce the inhalable aerosols/inhalants according to the invention.
  • the dose of active substance delivered ex RESPIMAT® inhaler can be calculated from:
  • the invention further concerns ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof for the use (in a method) for the management/treatment of airway disease in equines, preferably horses.
  • the airway disease is a pulmonary disease.
  • the invention further concerns ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof for the use (in a method) for the management/treatment of recurrent airway obstruction (RAO) in equines, preferably horses.
  • REO recurrent airway obstruction
  • the invention further concerns ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof for the use (in a method) for the management/treatment of summer pasture associated obstructive pulmonary disease (SPAOPD) in equines, preferably horses.
  • the invention further concerns ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof for the use (in a method) for the management/treatment of inflammatory airway disease (IAD) in equines, preferably horses.
  • IAD inflammatory airway disease
  • the invention further concerns a method of treating an airway disease comprising administering a therapeutic effective amount of ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof to an equine patient, preferably a horse, in need thereof.
  • the airway disease is a pulmonary disease.
  • ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is administered as an inhalable/inhalant.
  • ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is in a liquid formulation, preferably with a solvent comprising/consisting of ethanol, water or a combination thereof.
  • ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is administered via an (equine) inhalation device.
  • ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is in a liquid formulation with a solvent comprising/consisting of a mixture of ethanol and water which is administered via an (equine) inhalation device.
  • the airway disease is a pulmonary disease.
  • the airway disease is selected from the group consisting of: recurrent airway obstruction (RAO), summer pasture associated obstructive pulmonary disease (SPAOPD), and inflammatory airway disease (IAD).
  • the airway disease is recurrent airway obstruction (RAO).
  • ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is administered via an (equine) inhaler device.
  • said inhaler device comprises: (a) a pressurized metered dose inhaler or an aqueous/ethanolic droplet inhaler such as the RESPIMAT® inhaler or another inhalation device using the RESPIMAT® aerosol-generating technology and (b) an adapter for equine use.
  • ciclesonide or said pharmaceutically acceptable salt thereof or said composition comprising ciclesonide or said pharmaceutically acceptable salt thereof is a partially ethanolic formulation and is administered via an (equine) inhaler device.
  • said ciclesonide or said pharmaceutically acceptable salt thereof or said composition comprising ciclesonide or said pharmaceutically acceptable salt thereof is administered at a dose of 100 ⁇ g to 5000 ⁇ g ex inhaler, 450 ⁇ g to 2700 ⁇ g ex inhaler, 900 ⁇ g to 2700 ⁇ g ex inhaler, preferably at a dose of 900 ⁇ g to 2700 ⁇ g ex inhaler.
  • ex inhaler is ex RESPIMAT® inhaler.
  • the composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is prepared for administration at a concentration of 0.7-3.1 g ciclesonide/100 mL or 1.0-3.1 g ciclesonide/100 ml inhalation solution.
  • it is prepared for the administration with 20 or fewer actuations per dose, preferably 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, or 1 actuations per dose, most preferably the composition is prepared for the administration using 8 or fewer actuations per dose.
  • a specific aspect of the present invention (ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof for the use in a method for treating an airways disease and/or a method of treatment with ciclesonide or a pharmaceutically acceptable salt thereof or a composition comprising ciclesonide or a pharmaceutically acceptable salt thereof) said ciclesonide or said pharmaceutically acceptable salt thereof or said composition comprising ciclesonide or said pharmaceutically acceptable salt thereof is administered in 1 to 3 doses per day, preferably 1 or 2 doses are administered per day/once daily.
  • said ciclesonide or said pharmaceutically acceptable salt thereof or said composition comprising ciclesonide or said pharmaceutically acceptable salt thereof is administered once daily.
  • said ciclesonide or said pharmaceutically acceptable salt thereof or said composition comprising ciclesonide or said pharmaceutically acceptable salt thereof is administered in 1 to 4 doses per week (e.g. every 2. day, that is 3.5 doses per week).
  • the composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is made/prepared with/for the administration of a concentration of 0.7-3.1 g ciclesonide/100 mL or 1.0-3.1 g ciclesonide/100 mL. Preferably it is prepared for the administration in 1 to 3 doses per day, preferably 1 or 2 doses per day. Preferably it is prepared for the administration of 1 to 2 doses once daily. In a further specific aspect of the present invention the composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is prepared for the administration in 1 to 3 doses per week.
  • said ciclesonide or said pharmaceutically acceptable salt thereof or said composition comprising ciclesonide or said pharmaceutically acceptable salt thereof is administered in 1-2 doses daily over an extended time period.
  • said time period is at least 1 week, which can be extended to at least 2, 3, 4, 5, 6, 7, 8, 9, or 10 weeks or more.
  • said ciclesonide or said pharmaceutically acceptable salt thereof or said composition comprising ciclesonide or said pharmaceutically acceptable salt thereof is administered in 1 or 2 doses daily over an extended period, whereby said period is preferably at least 1 week, which can be extended to at least 2, 3, 4, 5, 6, 7, 8, 9, or 10 weeks or more.
  • the composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is prepared for the administration at a concentration of 0.7-3.1 g ciclesonide/100 mL or 1.0-3.1 g ciclesonide/100 mL inhalation solution.
  • the composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is prepared for the administration over an extended time period of at least 1 week, at least 2, 3, 4, 5, 6, 7, 8, 9, or 10 weeks or more.
  • composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is prepared for the administration in 1 or 2 doses daily over an extended time period of at least 1 week, at least 2, 3, 4, 5, 6, 7, 8, 9, or 10 weeks or more, most preferably the composition comprising ciclesonide or a pharmaceutically acceptable salt thereof is prepared for the administration in 1 dose daily over an extended period of at least 1 week, at least 2, 3, 4, 5, 6, 7, 8, 9, or 10 weeks or more.
  • FIG. 1 BUDESONIDE STUDY
  • FIG. 2 BUDESONIDE STUDY
  • FIG. 3 BUDESONIDE STUDY
  • FIG. 4 CICLESONIDE 1 ST STUDY
  • FIG. 5 CICLESONIDE 1 ST STUDY
  • FIG. 6 CICLESONIDE 2 ND STUDY
  • FIG. 7 CICLESONIDE 2 ND STUDY
  • FIG. 8 CICLESONIDE 2 ND STUDY
  • Both budesonide and ciclesonide are investigated and compared to dexamethasone in the same moldy hay challenge model. Both drugs are administered by the RESPIMAT® inhaler with an adapter for use with horses (“Equine Inhaler device”) at different dose levels (see examples 1 to 3). Both molecules show a comparable efficacy to dexamethasone measured in lung function variables (transpulmonary pressure, lung resistance and lung elastance) and clinical score (breathing effort score and weighted clinical score) (see example 1 and 3). However, the blood levels of cortisol are different between budesonide and ciclesonide (see examples 1-3).
  • the cortisol level is comparable between the highest dose of budesonide and dexamethasone after 14 days of treatment, showing a significant reduction in comparison to the baseline cortisol value (see example 1).
  • the cortisol level does not change significantly after the administration of the highest ciclesonide dose, whereas it is significantly reduced after the administration of dexamethasone compared to values prior to treatment (see example 3).
  • complete blood count is investigated as well after 14 days treatment with dexamethasone and ciclesonide. Neutrophilia and lymphopenia are observed after the administration of dexamethasone in both studies (see Examples 2 and 3). In contrast, neutrophilia and lymphopenia are not observed after the administration of the different doses of ciclesonide.
  • Ciclesonide is a non-halogenated glucocorticoid, which predominantly exists in its form as R-Enantiomer.
  • Budesonide is well known in the art and means/describes a glucocorticoid steroid for the treatment of asthma and non-infectious rhinitis (including hay fever and other allergies), and for treatment and prevention of nasal polyposis in humans. In addition, it is used for Crohn's disease (inflammatory bowel disease) in humans. Budesonide is known commercially as SYMBICORT®.
  • dimethasone is well known in the art and means/describes a potent synthetic member of the glucocorticoid class of steroid drugs. It acts as an anti-inflammatory and immunosuppressant. When taken orally, it is 27 times more potent than the naturally occurring hormone cortisol and 7 times more potent than prednisone.
  • prodrug refers to (i) an inactive form of a drug that exerts its effects after metabolic processes within the body converting it to a usable or active form, or (ii) a substance that gives rise to a pharmacologically active metabolite, although not itself active (i.e. an inactive precursor).
  • prodrug or “prodrug derivative” mean a covalently-bonded derivative, carrier or precursor of the parent compound or active drug substance which undergoes at least some biotransformation prior to exhibiting its pharmacological effect(s).
  • prodrugs either have metabolically cleavable or otherwise convertible groups and are rapidly transformed in vivo to yield the parent compound, for example, by hydrolysis in blood or by activation via oxidation as in case of thioether groups.
  • Most common prodrugs include esters and amide analogs of the parent compounds.
  • the prodrug is formulated with the objectives of improved chemical stability, improved patient acceptance and compliance, improved bioavailability, prolonged duration of action, improved organ selectivity, improved formulation (e.g., increased hydrosolubility), and/or decreased side effects (e.g., toxicity).
  • prodrugs themselves have weak or no biological activity and are stable under ordinary conditions. Prodrugs can usually be readily prepared from the parent compounds using methods known in the art.
  • quine means of or belonging to the family Equidae, which includes the horses, asses, and zebras, preferably horses.
  • the term “equine” encompasses also hybrids of members of the family Equidae (e.g. mules, hinnies, etc.)
  • patient or “subject” embraces mammals such as primates including humans.
  • patient or “subject” as used herein relates specifically to horses, especially horses suffering from airway disease (particularly pulmonary disease), preferably from recurrent airway obstruction (RAO) also called heaves or equine COPD and/or summer pasture associated obstructive pulmonary disease (SPAOPD) also called Summer Pasture Associated Recurrent Airway Obstruction (SPARAO) and/or inflammatory airway disease (IAD), most preferably from RAO.
  • RAO recurrent airway obstruction
  • SPAOPD summer pasture associated obstructive pulmonary disease
  • SPARAO Summer Pasture Associated Recurrent Airway Obstruction
  • IAD inflammatory airway disease
  • airway disease in horses means the following: recurrent airway obstruction (RAO) also called heaves or equine COPD, Summer Pasture Associated Obstructive Pulmonary disease (SPAOPD), inflammatory airway disease (IAD), exercise induced pulmonary hemorrhage (EIPH), infectious diseases, chronic interstitial lung disease and upper respiratory tract functional disorders.
  • RAO recurrent airway obstruction
  • SPAOPD Summer Pasture Associated Obstructive Pulmonary disease
  • IAD inflammatory airway disease
  • EIPH exercise induced pulmonary hemorrhage
  • infectious diseases chronic interstitial lung disease and upper respiratory tract functional disorders.
  • pulmonary disease means: recurrent airway obstruction (RAO) also called heaves or equine COPD, Summer Pasture Associated Obstructive Pulmonary disease (SPAOPD), inflammatory airway disease (IAD), exercise induced pulmonary hemorrhage (EIPH), infectious diseases, or chronic interstitial lung disease.
  • RAO recurrent airway obstruction
  • SPAOPD Summer Pasture Associated Obstructive Pulmonary disease
  • IAD inflammatory airway disease
  • EIPH exercise induced pulmonary hemorrhage
  • infectious diseases or chronic interstitial lung disease.
  • recurrent airway obstruction in horses means the following: a chronic syndrome of mature horses with reversible airway obstruction in the stable showing periods of labored breathing at rest during exacerbation.
  • Summer Pasture Associated Obstructive Pulmonary disease in horses means the following: a chronic syndrome, which shares many clinical and pathological similarities with RAO at rest on the pasture, suggesting similar pathogenesis, however, it is caused by different antigens.
  • IAD inflammatory airway disease
  • the term “effective amount” as used herein means an amount sufficient to achieve a reduction of airway disease in a horse when ciclesonide is administered, preferably at a dosage as described herein.
  • the progress of the therapy can be monitored by standard airway/pulmonary diagnosis, for example, by clinical examination, airway fluid cytology, endoscopy, lung function measurement, or blood-gas analysis.
  • pharmaceutically acceptable derivative thereof means but is not limited to pharmaceutically acceptable salts, derivatives, metabolites or pro-drugs of a drug.
  • Derivatives as used herein include but are not limited to, any hydrate forms, solvates, isomers, enantiomers, racemates, racemic conglomerate and the like of the compound of choice.
  • Suitable pharmaceutically acceptable salts are well known in the art and may be formed with an inorganic or organic acid, such as hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid, nitric acid, acetic acid, glycolic acid, lactic acid, pyruvic acid, malonic acid, succinic acid, glutaric acid, fumaric acid, malic acid, mandelic acid, tartaric acid, citric acid, ascorbic acid, palmitic acid, maleic acid, hydroxymaleic acid, benzoic acid, hydroxybenzoic acid, phenylacetic acid, cinnamic acid, salicylic acid, methanesulfonic acid, benzenesulfonic acid and toluenesulfonic acid.
  • an inorganic or organic acid such as hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid, nitric acid, acetic acid, glycolic acid, lactic acid, pyruvic acid, malonic acid, succin
  • the dosage regimen for the treatment of an equine using ciclesonide or a composition comprising ciclesonide (as an active compound) according to the present invention will, of course, vary depending upon known factors, such as the pharmacodynamic characteristics of the particular agent and its mode and route of administration; the species, age, sex, health, medical condition, and weight of the recipient (or patient); the nature and extent of the symptoms; the kind of concurrent treatment; the frequency of treatment; the route of administration, the renal and hepatic function of the patient, and the effect desired.
  • a physician or veterinarian can determine and prescribe the effective amount of the drug required to prevent, counter, or arrest the progress of the disorder.
  • dose means the delivered dose “ex inhaler”.
  • Ex inhaler comprises for example a pressurized metered dose inhaler (pMDI) or an aqueous/ethanolic droplet inhaler.
  • pMDI pressurized metered dose inhaler
  • aqueous/ethanolic droplet inhaler A specific form of an aqueous/ethanolic droplet inhaler is, for example, the RESPIMAT® inhaler or another inhalation device using the RESPIMAT® technology.
  • the concentration of ciclesonide contained in the solution in the inhalation device ranges preferably from 0.7 to 3.1% m/V.
  • the systemic dose is determined by measuring the blood levels of the prodrug (ciclesonide) and the activated metabolite (desisobutyryl-ciclesonide) in case systemic exposure is relevant in the horse.
  • a high systemic dose results in higher side effects for example reduction of cortisol serum levels.
  • radioisotope labeled ciclesonide e.g., 99m Tc
  • the dose of ciclesonide when used for the indicated effects, will range between 200 and 5000 ⁇ g/horse (ex inhaler), preferably 400 to 4000 ⁇ g/horse (ex inhaler), even more preferred between 1000 and 3500 ⁇ g/horse (ex inhaler), most preferred between 1500 and 3100 ⁇ g/horse (ex inhaler).
  • Those doses should be administered once, twice or three times per day, preferably once or twice daily. In a specific embodiment of the present invention those doses should be administered once a day.
  • the dosage (such as the doses outlined above) may be split into or reduced to anywhere in between one dose once in two days up to one dose once in a week.
  • the treatment is advisable in clinically apparent cases, both in acute as well as in chronic settings.
  • Suitable forms for “administration” are for example inhalation, parenteral or oral administration.
  • the content of the pharmaceutically effective ciclesonide should be in the range from 0.1 to 5% m/V, preferably 0.7 to 3.1% m/V or 1.0 to 3.1% m/V of the total composition, i.e. in amounts which are sufficient to achieve the dose range specified hereinafter.
  • ciclesonide When administered by inhalation ciclesonide may be given as an ethanolic is solution or a solution containing a mixture of water and ethanol.
  • pharmaceutical formulations are characterized in that they comprise ciclesonide according to the preferred aspects above.
  • ciclesonide is administered via inhalation/ex inhaler, preferably it is administered once or twice a day.
  • Suitable formulations may be obtained, for example, by mixing ciclesonide with known excipients, for example water, pharmaceutically acceptable organic solvents such as mono- or polyfunctional alcohols (e.g. ethanol or glycerol), or refrigerants such as hydrofluoroalkanes (HFA), specifically HFA 227 and HFA 134a.
  • excipients for example water, pharmaceutically acceptable organic solvents such as mono- or polyfunctional alcohols (e.g. ethanol or glycerol), or refrigerants such as hydrofluoroalkanes (HFA), specifically HFA 227 and HFA 134a.
  • HFA hydrofluoroalkanes
  • additional excipients for example hydrochloric acid or citric acid to adjust the [H + ] concentration may be added.
  • ciclesonide is administered by/via an aqueous/ethanolic droplet inhaler, for example the RESPIMAT® inhaler or another inhalation device using the RESPIMAT® aerosol-generating technology.
  • aqueous/ethanolic droplet inhaler for example the RESPIMAT® inhaler or another inhalation device using the RESPIMAT® aerosol-generating technology.
  • ciclesonide is administered once or twice a day.
  • ciclesonide has to be made available in a liquid solution which is suitable for the inhaler.
  • the solvent in the liquid formulation comprises a mixture of ⁇ 85% V/V ethanol and ⁇ 15% V/V water, such as 90% V/V ethanol and 10% V/V water.
  • a further aspect of the present invention is the application of the liquid formulation (inhalation solution) using the RESPIMAT® inhaler.
  • This inhaler is disclosed for example in WO 97/12687, which is hereby incorporated therein.
  • This inhaler can advantageously be used to produce the inhalable aerosols according to the invention.
  • the dose of active substance delivered ex RESPIMAT® inhaler can be calculated from:
  • the composition is administered via an (equine) inhaler device.
  • the (equine) inhaler device preferably comprises the RESPIMAT® inhaler, which may be modified, and other parts to adapt the inhaler to equine use.
  • the composition is a partially ethanolic formulation and is administered via an (equine) inhaler device.
  • the dose emitted via the (equine) inhaler device is slightly lower than the dose ex RESPIMAT® inhaler.
  • Budesonide is investigated in a cross-over, blinded moldy hay challenge study. Eight (8) RAO horses are examined in the study, which is divided into an acclimation and a treatment phase. Placebo for budesonide is administered a few times per inhalation via the Equine Inhaler device to all horses in the acclimation period. Budesonide and dexamethasone is administered to the horses in a cross-over design in the treatment phase. The horses are challenged by exposure to moldy hay throughout the acclimation and treatment periods.
  • Budesonide is administered with the doses of 450 ⁇ g (2 actuations)/900 ⁇ g (4 actuations)/1800 (8 actuations) ⁇ g/horse (ex-RESPIMAT®) twice daily for 14 days per inhalation via the Equine Inhaler device.
  • Nozzle A and a RESPIMAT® inhaler device not available commercially is used in the study.
  • Nozzle A is the nozzle used with the commercially available RESPIMAT®.
  • Dexamethasone is administered with a dose of 0.066 mg/kg per os, once daily for 14 days.
  • Lung function variables change in transpulmonary pressure, lung resistance and lung elastance
  • clinical score and blood parameters are examined during the study. The data is statistically analyzed using double repeated-measures ANOVA.
  • All lung function variables are significantly reduced in the highest dose budesonide (1800 ⁇ g/horse ex RESPIMAT®) and dexamethasone groups after 14 days treatment compared to pretreatment values (p ⁇ 0.0001) (see FIG. 1 ).
  • Ciclesonide is investigated in a cross-over, blinded moldy hay challenge study. Eight (8) RAO horses are examined in the study, which is divided into an acclimation and a treatment phase. Placebo for ciclesonide is administered twice daily per inhalation via the Equine Inhaler device to all horses for 1 week in the acclimation period. Ciclesonide and dexamethasone are administered to the horses in a cross-over design in the treatment phase. The horses are challenged by exposure to moldy hay throughout the acclimation and treatment periods.
  • Ciclesonide is administered with the doses of 450 ⁇ g (2 actuations)/900 ⁇ g (4 actuations)/1800 ⁇ g (8 actuations)/horse (ex-RESPIMAT®) twice daily for 14 days per inhalation via the Equine Inhaler device.
  • Nozzle A and a commercially available RESPIMAT® is used in the study.
  • Dexamethasone is administered with a dose of 0.066 mg/kg per os, once daily for 14 days.
  • Lung function variables change in transpulmonary pressure ( ⁇ PL), lung resistance (RL) and lung elastance (EL)
  • breathing effort score and blood parameters are examined during the study. The data is statistically analyzed using double repeated-measures ANOVA.
  • the serum cortisol levels are significantly reduced in the dexamethasone group compared to pretreatment values on days 3, 5, 7, 10, 14 and 17 following treatment initiation (p ⁇ 0.0001) (see FIG. 5 ). There is no significant reduction in the serum cortisol levels in any of the ciclesonide treatment groups at any measured time points.
  • the serum cortisol levels in the dexamathasone group are significantly reduced in comparison to any of the ciclesonide treatment groups on days 3, 5, 7, 10, 14 and 17 following treatment initiation (p ⁇ 0.0001).
  • the segmented neutrophil count is increased and the lymphocytes count is decreased after the administration of dexamethasone (see Example 4). There is no change in the counts of lymphocytes and no or minor increase in the counts of segmented neutrophils after the administration of ciclesonide.
  • Ciclesonide is investigated in a cross-over, blinded moldy hay challenge study. Eight (8) RAO horses are examined in the study, which is divided into an acclimation and a treatment phase. Placebo for ciclesonide is administered twice daily per inhalation via the Equine Inhaler device to all horses for 1 week in the acclimation period. Ciclesonide and dexamethasone are administered to the horses in a cross-over design in the treatment phase. The horses are challenged by exposure to moldy hay throughout the acclimation and treatment periods.
  • Ciclesonide is administered with the doses of 1687.5 ⁇ g (5 actuations, nozzle B)/2700 ⁇ g (8 actuations, nozzle A)/2700 ⁇ g (8 actuations, nozzle B)/horse (ex-RESPIMAT®) twice daily for 14 days per inhalation via the Equine Inhaler device.
  • the commercially available RESPIMAT® is used in the study.
  • Nozzle A is the nozzle used with the commercially available RESPIMAT® inhaler.
  • Nozzle B is a different nozzle resulting in a reduced spray time.
  • Dexamethasone is administered with a dose of 0.066 mg/kg per os, once daily for 14 days.
  • Lung function variables change in transpulmonary pressure ( ⁇ PL), lung resistance (RL) and lung elastance (EL)
  • weighted clinical score and blood parameters are examined during the study. The data are statistically analyzed using double repeated-measures ANOVA.
  • the serum cortisol levels are significantly reduced in the dexamethasone group on days 3, 5, 7, 10, 14 and 17 following treatment initiation (p ⁇ 0.0001) (see FIG. 8 ). There is no significant reduction in the serum cortisol levels in any of the ciclesonide treatment groups at any measured time points.
  • the serum cortisol is levels in the dexamathasone group are significantly reduced in comparison to any of the ciclesonide treatment groups on days 3, 5, 7, 10, 14 and 17 following treatment initiation (p ⁇ 0.0001).
  • the segmented neutrophil count is increased and the lymphocytes count is decreased after the administration of dexamethasone (see Example 4). There is no change in the counts of lymphocytes and no or minor increase in the counts of segmented neutrophils after the administration of ciclesonide.
  • the segmented neutrophil counts and the lymphocyte counts are determined in the studies above: ciclesonide treatment versus dexamethasone treatment.
  • ciclesonide treatment versus dexamethasone treatment.
  • Neutrophilia and lymphopenia is observed after the state of the art treatment with dexamethasone (see Table 2). In contrast, no alteration is observed in the immune system of horses measured by neutrophilia and lymphopenia after treatment for two weeks with different dose levels of ciclesonide (see Table 3).
  • the concentration of ciclesonide and C21-C21-desisobutyrylciclesonide is determined in plasma samples in the above mentioned 2 nd ciclesonide study: ciclesonide treatment versus dexamethasone treatment.
  • the plasma level of ciclesonide and C21-C21-desisobutyrylciclesonide are determined by high performance liquid chromatography coupled to tandem mass spectrometry. Plasma samples are collected prior to and 10, 30 min, 1, 2 and 4 h following ciclesonide administration on day 1 and 11 of the treatment phase with ciclesonide.
  • Ciclesonide concentration on day 1 0 min 10 min 30 min 1 h 2 h 4 h 1687.5 ⁇ 0.500 0.87 ⁇ 0.500 ⁇ 0.500 ⁇ 0.500 ⁇ 0.500 2700 A ⁇ 0.500 1.19 0.51 ⁇ 0.500 ⁇ 0.500 ⁇ 0.500 2700 B ⁇ 0.500 1.16 0.72 ⁇ 0.500 ⁇ 0.500 ⁇ 0.500
  • Ciclesonide concentration on day 11 (nmol/L) ( ⁇ g) 0 min 10 min 30 min 1 h 2 h 4 h 1687.5 ⁇ 0.500 0.97 ⁇ 0.500 ⁇ 0.500 ⁇ 0.500 ⁇ 0.500 2700 A ⁇ 0.500 1.02 0.63 ⁇ 0.500 ⁇ 0.500 ⁇ 0.500 2700 B ⁇ 0.500 1.38 0.63 ⁇ 0.500 ⁇ 0.500 ⁇ 0.500
  • the concentration of ciclesonide is below the lower limit of quantification (0.5 nmol/L) in the plasma samples taken 1 h after drug administration.
  • the concentration of C21-C21-desisobutyrylciclesonide is below the lower limit of quantification (0.25 nmol/L) in the plasma samples taken at 4 h after the administration of ciclesonide.
  • Ciclesonide is investigated in a cross-over, blinded moldy hay challenge study examining 8 RAO horses. Ciclesonide and placebo for ciclesonide are administered to the horses in a cross-over design. The horses are challenged by exposure to moldy hay throughout the whole study. Ciclesonide is administered with the doses of 2700 ⁇ g, twice daily (8 actuations twice daily)/3712.5 ⁇ g, once daily in the morning (11 actuations once daily in the morning)/3712.5 ⁇ g, once daily in the evening (11 actuations once daily in the evening)/horse (ex-RESPIMAT®) for 14 days per inhalation via the Equine Inhaler device.
  • Placebo for ciclesonide is administered with a dose of 0.0 ⁇ g ciclesonide/horse (ex-RESPIMAT®) twice daily for 14 days per inhalation via the Equine Inhaler device.
  • ex-RESPIMAT® 0.0 ⁇ g ciclesonide/horse
  • the commercially available RESPIMAT® with nozzle B is used in the study (please see Example 3 for description of nozzle B).
  • Lung function variables change in transpulmonary pressure ( ⁇ PL), lung resistance (RL) and lung elastance (EL)
  • weighted clinical score and blood parameters are examined during the study.
  • the data are statistically analyzed using double repeated-measures ANOVA.
  • the lung function variables are significantly reduced in the ciclesonide treatment groups after 14 days treatment compared to the pretreatment values and compared to the placebo group as well. There is no significant reduction in the lung function variables of the placebo group after 14 days treatment compared to the pretreatment values.
  • Ciclesonide is investigated in a baseline controlled, blinded study examining up to 3 IAD horses. Ciclesonide is administered with the dose of 2700 gig, twice daily (8 actuations twice daily)/horse (ex-RESPIMAT®) for 14 days per inhalation via the Equine Inhaler device.
  • the commercially available RESPIMAT® with nozzle B is used in the study (please see Example 3 for description of nozzle B).
  • Lung function variables using the impulse oscillometry system respiratory resistance (Rrs) and reactance (Xrs)
  • weighted clinical score and blood parameters are examined during the study. The data are statistically analyzed using repeated-measures ANOVA.

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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ALBRECHT, BALAZS;AVEN, MICHAEL;LAMAR, JANINE;AND OTHERS;SIGNING DATES FROM 20140210 TO 20140217;REEL/FRAME:032405/0325

STCB Information on status: application discontinuation

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