Classifications

• • 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
  • 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
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
  • A61K9/4841—Filling excipients; Inactive ingredients
  • A61K9/4858—Organic compounds
• • 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
  • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
  • A61K9/4841—Filling excipients; Inactive ingredients
  • A61K9/4866—Organic macromolecular compounds
• • 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
  • A61P25/24—Antidepressants
• • 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
  • A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia

Definitions

• the present invention generally relates to methods of treating depression such as postpartum depression and major depressive disorder by administering Compound 1 as described herein.
• GABA g-aminobutyric acid
• GABA GABA receptor complex
• An intracellular increase in the levels of this anion causes hyperpolarization of the transmembrane potential, rendering the neuron less susceptible to excitatory inputs (i.e., reduced neuron excitability).
• the higher the chloride ion concentration in the neuron the lower the brain excitability (the level of arousal).
• GRC is responsible for the mediation of anxiety, seizure activity, and sedation.
• GABA and drugs that act like GABA e.g., the therapeutically useful barbiturates and benzodiazepines (BZs), such as Valium®
• BZs benzodiazepines
• GRC contains a distinct site for neuroactive steroids
• Neuroactive steroids can occur endogenously.
• the most potent endogenous neuroactive steroids are 3a- hydroxy-5-reduced pregnan-20-one and 3a-21-dihydroxy-5-reduced pregnan-20-one, metabolites of hormonal steroids progesterone and deoxycorticosterone, respectively.
• the ability of these steroid metabolites to alter brain excitability was recognized in 1986
• Compound 1 a neuroactive steroid described herein, has been shown to be a positive allosteric modulator of GABAA receptors that targets synaptic and extrasynaptic GABAA receptors.
• Compound 1 serves as a therapeutic agent to treat CNS related disorders, e.g., depression, e.g., postpartum depression and major depressive disorder.
• Compound 1 is administered using an episodic dosing regimen.
• an episodic dosing regimen comprising administering Compound 1 to a subject in need thereof.
• about 10 mg, about 15 mg, about 20 mg, about 25 mg or about 30 mg of Compound 1 is administered to the subject in need thereof.
• Compound 1 is administered to a subject in need thereof once a day for a plurality of weeks, e.g., about 2 weeks to about 6 weeks, e.g., about 2 weeks to about 4 weeks, e.g., about 2 weeks.
• about 10 mg, about 15 mg, about 20 mg, about 25 mg or about 30 mg of Compound 1 is administered to a subject in need thereof once a day for a plurality of weeks.
• Compound 1 is administered using an episodic dosing regimen, where the episodic dosing regimen occurs for about 2 weeks to about 6 weeks. In a more preferred embodiment, the episodic dosing regimen occurs for about 2 weeks to about 4 weeks. In an even more preferred embodiment, the episodic dosing regimen occurs for about 2 weeks (or about 14 days). In another embodiment, the episodic dosing regimen has a duration of 2 weeks, i.e., 14 days.
• an episodic dosing regimen for treating depression comprising administrating Compound 1 to a subject in need thereof.
• about 10 mg, about 15 mg, about 20 mg, about 25 mg or about 30 mg of Compound 1 is administered to the subject.
• Compound 1 is administered to the subject once a day for a plurality of weeks.
• about 10 mg, about 15 mg, about 20 mg, about 25 mg or about 30 mg of Compound 1 is administered to the subject once a day for a plurality of weeks.
• the episodic dosing regimen occurs for about 2 weeks to about 6 weeks. In a more preferred embodiment, the episodic dosing regimen occurs for about 2 weeks to about 4 weeks.
• the episodic dosing regimen occurs for about 2 weeks. In an even more preferred embodiment, the episodic dosing regimen occurs for about 14 days. In another embodiment, the episodic dosing regimen has a duration of 2 weeks, i.e., 14 days. In an even more preferred embodiment, the episodic dosing regimen occurs for about 2 weeks (or about 14 days), wherein the subject is administered about 30 mg of Compound 1 once a day during the 2 week period (or about 14 days). If the subject does not tolerate administration of about 30 mg of Compound 1 once a day, the subject is administered about 20 mg of Compound 1 once a day.
• the subject exhibits a response to the episodic dosing regimen, wherein the response is indicated by greater than or equal to about 50% reduction in HAM-D score from baseline. In some embodiments, the response is indicated by a remission of depression symptoms.
• the subject is evaluated for recurrence, i.e., reappearance of depression symptoms.
• the method of treating the subject comprises a plurality of episodic dosing regimens.
• a subsequent episodic dosing regimen is administered with the reappearance of depression symptoms.
• the episodic dosing regimens are spaced apart by at least a 6 week interval.
• the episodic dosing regimens are spaced apart by 6 weeks.
• the episodic dosing regimens are spaced apart by 7 weeks.
• the episodic dosing regimens are spaced apart by 8 weeks.
• an episodic dosing regimen for treating major depressive disorder, bipolar depression, anxiety, or postpartum depression comprising dosing of Compound 1 to a subject in need thereof.
• the major depressive disorder is moderate major depressive disorder.
• the major depressive disorder is severe major depressive disorder.
• about 10 mg, about 15 mg, about 20 mg, about 25 mg or about 30 mg of Compound 1 is administered to the subject.
• Compound 1 is administered once a day for a plurality of weeks, e.g., about 2 weeks to about 6 weeks, e.g., about 2 weeks to about 4 weeks, e.g., about 2 weeks to treat treating major depressive disorder, bipolar depression, anxiety, or postpartum depression.
• about 10 mg, about 15 mg, about 20 mg, about 25 mg or about 30 mg of Compound 1 is administered to the subject once a day for a plurality of weeks to treat treating major depressive disorder, bipolar depression, anxiety, or postpartum depression.
• the episodic dosing regimen occurs for about 2 weeks to about 6 weeks.
• the episodic dosing regimen occurs for about 2 weeks to about 4 weeks.
• the episodic dosing regimen occurs for about 2 weeks, or about 14 days.
• another day for a plurality of weeks e.g., about 2 weeks to about 6 weeks, e.g., about 2 weeks to about 4 weeks, e.g., about 2 weeks to treat treating major depressive disorder, bipolar depression, anxiety
• the episodic dosing regimen has a duration of 2 weeks.
• provided herein is a method of treating depression in a subject in need thereof, comprising administering to said subject an episodic dosing regimen of Compound 1.
• a method of treating postpartum depression in a subject in need thereof comprising administering to said subject an episodic dosing regimen of 30 mg of Compound 1 once a day for 2 weeks (or about 14 days). If the subject does not tolerate administration of 30 mg of Compound 1 once a day, the subject is administered 20 mg of Compound 1 once a day.
• the subject is a human female diagnosed with severe postpartum depression.
• the subject has been experiencing a major depressive episode over about a 1-year period.
• the subject is between about 18 and about 75 years of age. In some embodiments, the subject is between about 18 and about 65 years of age.
• the episodic dosing regimen of the present invention provides the advantage of not being a chronic dosing regimen, unlike current treatments for depression, e.g., major depressive disorder (MDD).
• MDD major depressive disorder
• a pharmaceutically effective amount of Compound 1 is administered in response to each episode of symptom occurrence.
• This episodic dosing regimen has the advantage of not requiring chronic dosing and thus avoiding numerous detriments of current therapies of depression.
• a method of treating depression in a subject in need thereof comprising the steps of: (i) administering once daily to the subject a therapeutically effective amount of a compound having the formula:
• Compound 1 is administered to the subject for 2 weeks, i.e., 14 days. In some embodiments, Compound 1 is re-administered to the subject for 2 weeks, i.e., 14 days. In some embodiments, the interval between administration of Compound 1 to the subject and re-administration of Compound 1 to the subject is 2-4 weeks. In some embodiments, the interval is 4 weeks. In some embodiments, the interval is 5 weeks. In some embodiment, the interval is 6 weeks. In some embodiments, the interval between administration of Compound 1 to the subject and re-administration of Compound 1 to the subject is 7 weeks. In some embodiments, the interval between administration of Compound 1 to the subject and re-administration of Compound 1 to the subject is 8 weeks.
• the depression is major depressive disorder (MDD). In some embodiments, the MDD is moderate major depressive disorder. In some embodiments, the MDD is severe major depressive disorder. In some embodiments, the depression is bipolar depression. In some embodiments, the depression is post-partum depression. In some embodiments, the subject has been diagnosed with depression. In some embodiments, the depression is major depressive disorder or bipolar depression. In some embodiments, the subject is a female diagnosed with severe postpartum depression. In some embodiments, the subject has been experiencing a major depressive episode over about a 1-year period. In some embodiments, the subject is between about 18 and about 75 years of age. In some embodiments, the subject is between about 18 and about 65 years of age.
• the method of treating major depressive disorder, bipolar depression, anxiety, or postpartum depression with the administration of Compound 1 improves cognitive function.
• the method improves cognitive function in the subject after completing the episodic dosing regimen.
• the method improves cognitive function in the subject after completing the episodic dosing regimen, wherein the episodic dosing regimen had a duration of about 2 to about 8 weeks.
• the method improves cognitive function in the subject after completing the episodic dosing regimen, wherein the episodic dosing regimen had a duration of about 2 to about 6 weeks.
• the method improves cognitive function in the subject after completing the episodic dosing regimen, wherein the episodic dosing regimen had a duration of about 2 to about 4 weeks. In further embodiments, the method improves cognitive function in the subject after completing the episodic dosing regimen, wherein the episodic dosing regimen had a duration of about 2 weeks or 14 days. In other aspects, the method improves cognitive function in the subject after completing the episodic dosing regimen, wherein the episodic dosing regimen had a duration of 2 weeks.
• the subject is administered about 10 mg of Compound 1. In some embodiments, the subject is administered about 20 mg of Compound 1. In some embodiments, the subject is administered about 30 mg of Compound 1. In some embodiments,
• the subject is administered about 40 mg of Compound 1. In some embodiments, the subject is administered about 40 mg of Compound 1.
• the subject is administered about 10 mg of Compound 1 once a day. In some embodiments, the subject is administered about 20 mg of Compound 1 once a day. In some embodiments, the subject is administered about 30 mg of Compound 1 once a day. In some embodiments, the subject is administered about 40 mg of Compound 1 once a day. In some embodiments, the amount of Compound 1 administered to the subject is reduced in the occurrence of a severe adverse effect. In some embodiments, Compound 1 is administered in the evening. In some embodiments, Compound 1 is administered with food. In some embodiments, Compound 1 is in a capsule. In some embodiments, the method further comprises administration of a second therapeutic agent.
• kits comprising a pharmaceutical composition comprising Compound 1 and an instruction set describing a method for using an episodic dosing regimen to treat depression.
• the pharmaceutical composition comprises about 10 mg of Compound 1.
• the pharmaceutical composition comprises about 15 mg of Compound 1.
• the pharmaceutical composition comprises about 10 mg of Compound 1.
• composition comprises about 20 mg of Compound 1. In some embodiments, the pharmaceutical composition comprises about 25 mg of Compound 1. In some embodiments, the pharmaceutical composition comprises about 20 mg of Compound 1. In some embodiments, the pharmaceutical composition comprises about 25 mg of Compound 1. In some embodiments, the pharmaceutical composition comprises about 25 mg of Compound 1. In some embodiments, the pharmaceutical composition comprises about 25 mg of Compound 1.
• the pharmaceutical composition comprises about 30 mg of Compound 1.
• the episodic dosing regimen occurs for about 2 weeks to about 6 weeks. In a more preferred embodiment, the episodic dosing regimen occurs for about 2 weeks to about 4 weeks. In an even more preferred embodiment, the episodic dosing regimen occurs for about 2 weeks. In a preferred embodiment, the episodic dosing regimen occurs for 2 weeks.
• depression is major depressive disorder, bipolar depression, anxiety, or postpartum depression. In some embodiments, the major depressive disorder is moderate major depressive disorder. In some embodiments, the major depressive disorder is severe major depressive disorder. In some embodiments, the episodic dosing regimen occurs for about 2 weeks (or about 14 days) for the treatment of postpartum depression.
• the instruction set is printed on a suitable material.
• the individual dosage units are capsules or tablets.
• the individual dosage unit is a capsule.
• the individual dosage unit is a capsule of size 1, 2, 3, or 4.
• the capsule is size 1.
• FIG.2 depicts a forest plot of the subgroup analysis for primary endpoint at day 15.
• FIG.3 depicts a bar chart of Hamilton Rating Scale for Depression (HAM-D) remission by time point and treatment group.
• HAM-D Hamilton Rating Scale for Depression
• FIG.4 depicts a bar chart of Hamilton Rating Scale for Depression (HAM-D) remission by time point and treatment group.
• HAM-D Hamilton Rating Scale for Depression
• FIG.5 depicts change from base in Montgomery-Asberg Depression Rating Scale (MADRS), total score over time by treatment group.
• MADRS Montgomery-Asberg Depression Rating Scale
• FIG.6 depicts change from baseline in Hamilton Anxiety Rating Scale (HAM-A), total score over time by treatment group.
• HAM-A Hamilton Anxiety Rating Scale
• FIG.7 depicts a bar chart of clinical global impression (CGI) Improvement Response by Time Point and Treatment Group.
• CGI clinical global impression
• FIG.8 depicts an exemplary study design for treating MDD with Compound 1.
• FIG.9 depicts an exemplary study design for treating MDD with Compound 1.
• the present invention provides compounds and compositions useful for treating depression such as postpartum depression and major depressive disorder. Definitions
• the term“unit dosage form” is defined to refer to the form in which Compound 1 is administered to the subject.
• the unit dosage form can be, for example, a pill, capsule, or tablet.
• the unit dosage form is a capsule.
• the typical amount of Compound 1 in a unit dosage form useful in the invention is about 10 mg to about 100 mg, preferably about 10 mg to about 50 mg (e.g., about, 10, about 15, about 20, about 25 mg or about 30 mg).
• the unit dosage form comprises about 30 mg of Compound 1 and is in the form of a capsule. In another preferred embodiment of the invention, the unit dosage form comprises about 45 mg opound 1 and is in the form of a capsule. In another preferred embodiment of the invention, the unit dosage form comprises about 20 mg of Compound 1 and is in the form of a capsule. In another preferred embodiment of the invention, the unit dosage form comprises about 10 mg of Compound 1 and is in the form of a capsule. In another preferred embodiment of the invention, the unit dosage form comprises about 15 mg of Compound 1 and is in the form of a capsule. In another preferred embodiment of the invention, the unit dosage form comprises about 25 mg of Compound 1 and is in the form of a capsule. Preferably, capsules which comprise about 30 mg or 45 mg of Compound 1, is administered to a subject once per day. In some embodiments, three capsules together comprise the 30 mg of Compound 1. In some embodiments, three capsules together comprises the 45 mg of Compound 1.
• solid dosage form means a pharmaceutical dose(s) in solid form, e.g. tablets, capsules, granules, powders, sachets, reconstitutable powders, dry powder inhalers and chewables.
• the term“about” refers to a ⁇ 10% variation from the nominal value unless otherwise indicated or inferred. Definitions of specific functional groups and chemical terms are described in more detail below. The chemical elements are identified in accordance with the Periodic Table of the Elements, CAS version, Handbook of Chemistry and Physics, 75 th Ed., inside cover, and specific functional groups are generally defined as described therein.
• “Pharmaceutically acceptable” means approved or approvable by a regulatory agency of the Federal or a state government or the corresponding agency in countries other than the United States, or that is listed in the U.S. Pharmacopoeia or other generally recognized pharmacopoeia for use in animals, and more particularly, in humans.
• “Pharmaceutically acceptable salt” refers to a salt of a compound of the invention that is pharmaceutically acceptable and that possesses the desired pharmacological activity of the parent compound.
• such salts are non–toxic may be inorganic or organic acid addition salts and base addition salts.
• such salts include: (1) acid addition salts, formed with inorganic acids such as hydrochloric acid, hydrobromic acid, sulfuric acid, nitric acid, phosphoric acid, and the like; or formed with organic acids such as acetic acid, propionic acid, hexanoic acid, cyclopentanepropionic acid, glycolic acid, pyruvic acid, lactic acid, malonic acid, succinic acid, malic acid, maleic acid, fumaric acid, tartaric acid, citric acid, benzoic acid, 3–(4–hydroxybenzoyl) benzoic acid, cinnamic acid, mandelic acid, methanesulfonic acid, ethanesulfonic acid, 1,2–ethane–disulfonic acid, 2–
• a metal ion e.g., an alkali metal ion, an alkaline earth ion, or an aluminum ion
• coordinates with an organic base such as ethanolamine, diethanol
• Salts further include, by way of example only, sodium, potassium, calcium, magnesium, ammonium, tetraalkylammonium, and the like; and when the compound contains a basic functionality, salts of non-toxic organic or inorganic acids, such as hydrochloride, hydrobromide, tartrate, mesylate, acetate, maleate, oxalate and the like.
• pharmaceutically acceptable cation refers to an acceptable cationic counter–ion of an acidic functional group. Such cations are exemplified by sodium, potassium, calcium, magnesium, ammonium, tetraalkylammonium cations, and the like. See, e.g., Berge, et al., J. Pharm. Sci. (1977) 66(1): 1–79.
• A“subject” is a human (i.e., a male or female of any age group, e.g., a pediatric subject (e.g, infant, child, adolescent) or adult subject (e.g., young adult, middle–aged adult or senior adult)).
• a pediatric subject e.g., infant, child, adolescent
• adult subject e.g., young adult, middle–aged adult or senior adult
• the terms“treat,”“treating” and “treatment” contemplate an action that occurs while a subject is suffering from the specified disease, disorder or condition, which reduces the severity of the disease, disorder or condition, or retards or slows the progression of the disease, disorder or condition
• therapeutic treatment and also contemplates an action that occurs before a subject begins to suffer from the specified disease, disorder or condition (“prophylactic treatment”).
• the“effective amount” of a compound refers to an amount sufficient to elicit the desired biological response, e.g., to treat a CNS-related disorder, e.g., a disorder as described herein (e.g., tremor (e.g., essential tremor); depression (e.g., postpartum depression); or an anxiety disorder).
• a CNS-related disorder e.g., a disorder as described herein (e.g., tremor (e.g., essential tremor); depression (e.g., postpartum depression); or an anxiety disorder).
• a CNS-related disorder e.g., a disorder as described herein (e.g., tremor (e.g., essential tremor); depression (e.g., postpartum depression); or an anxiety disorder).
• the effective amount of a compound of the invention may vary depending on such factors as the desired biological endpoint, the pharmacokinetics of the compound, the disease being treated, the mode of administration, and
• a“therapeutically effective amount” of a compound is an amount sufficient to provide a therapeutic benefit in the treatment of a disease, disorder or condition, or to delay or minimize one or more symptoms associated with the disease, disorder or condition.
• a therapeutically effective amount of a compound means an amount of therapeutic agent, alone or in combination with other therapies, which provides a therapeutic benefit in the treatment of the disease, disorder or condition.
• the term “therapeutically effective amount” can encompass an amount that improves overall therapy, reduces or avoids symptoms or causes of disease or condition, or enhances the therapeutic efficacy of another therapeutic agent.
• a“prophylactically effective amount” of a compound is an amount sufficient to prevent a disease, disorder or condition, or one or more symptoms associated with the disease, disorder or condition, or prevent its recurrence.
• a prophylactically effective amount of a compound means an amount of a therapeutic agent, alone or in combination with other agents, which provides a prophylactic benefit in the prevention of the disease, disorder or condition.
• the term“prophylactically effective amount” can encompass an amount that improves overall prophylaxis or enhances the prophylactic efficacy of another prophylactic agent.
• an“episodic dosing regimen” is a dosing regimen wherein a compound or a composition comprising a compound is administered to a subject for a finite period of time in response to the diagnosis of a disorder or symptom thereof, e.g, a diagnosis or symptom of depression, an episode of major depressive disorder, bipolar depression, anxiety, or postpartum depression.
• the major depressive disorder is moderate major depressive disorder.
• the major depressive disorder is severe major depressive disorder.
• the compound is formulated as individual dosage units, each unit comprising Compound 1 and one or more suitable pharmaceutical excipient.
• the episodic dosing regimen has a duration of a plurality of weeks, e.g. about 8 weeks.
• episodic dosing of a compound occurs over a finite period of time, e.g., from about 2 weeks to about 8 weeks, in response to a diagnosis or recurrence of a disorder, e.g., depression, or a symptom thereof.
• episodic dosing occurs once per day across a plurality of weeks, e.g., from about 2 weeks to about 6 weeks.
• the episodic dosing has a duration of two weeks.
• more than one episodic dosing regimen is administered to the subject, e.g., two or more episodic regimens throughout the subject’s life.
• administering Compound 1 improves cognitive function.
• the cognitive function refers to a collection of mental tasks and functions, including but not limited to: memory (e.g., semantic, episodic, procedural, priming, or working); orientation; language; problem solving; visual perception, construction, and integration; planning; organizational skills; selective attention; inhibitory control; and ability to mentally manipulate information.
• the cognitive function is one or more selected from the group consisting of memory (e.g., semantic, episodic, procedural, priming, or working); orientation; language; problem solving; visual perception, construction, and integration; planning; organizational skills; selective attention; inhibitory control; and ability to mentally manipulate information.
• Measures of cognitive functioning include assessment tools designed to measure, for example: (a) general intelligence, (b) nonverbal intelligence, (c) achievement, (d) attention/executive functioning, (e) memory and learning, (f) visual-motor and motor functioning and (g) language.
• Any change in cognitive function for example, over time or through treatment, can be monitored by using one or more of these well-established tests at two or more time points and comparing the results.
• the phrase“improves cognitive function”, as referred to herein, means a positive change in the ability of the subject to perform a symbolic operation, for example, to perceive, remember, create a mental image, have clarity of thought, be aware, to reason, think or judge.
• the positive change can be measured using any of the
• compositions for example, a first occasion to measure baseline cognitive function and a second occasion to measure cognitive function following a period of time (in which treatment may have been administered).
• assessment tools are well-known in the art and include, for example, those assessment tools as described in Example 4 herein.
• the disclosure provides a pharmaceutical composition
• a pharmaceutical composition comprising a compound of the present invention (also referred to as the“active ingredient”), for example Compound 1, and a pharmaceutically acceptable excipient.
• the pharmaceutical composition comprises an effective amount of the active ingredient.
• the pharmaceutical composition comprises a therapeutically effective amount of the active ingredient.
• the pharmaceutical composition comprises a prophylactically effective amount of the active ingredient.
• compositions provided herein can be administered by a variety of routes including, but not limited to, oral (enteral) administration, parenteral (by injection) administration, rectal administration, transdermal administration, intradermal administration, intrathecal administration, subcutaneous (SC) administration, intravenous (IV)
• Compound 1 is administering to a subject orally.
• the compounds provided herein are administered in an effective amount.
• the amount of the compound actually administered will typically be determined by a physician, in the light of the relevant circumstances, including the condition to be treated, the chosen route of administration, the actual compound administered, the age, weight, and response of the individual patient, the severity of the patient’s symptoms, and the like.
• the compounds provided herein When used to prevent the onset of a CNS-disorder, the compounds provided herein will be administered to a subject at risk for developing the condition, typically on the advice and under the supervision of a physician, at the dosage levels described above.
• Subjects at risk for developing a particular condition generally include those that have a family history of the condition, or those who have been identified by genetic testing or screening to be particularly susceptible to developing the condition.
• the pharmaceutical compositions of the present invention may be further delivered using a variety of dosing methods.
• the pharmaceutical composition may be given as a bolus, e.g., in order to raise the concentration of the compound in the blood to an effective level.
• the placement of the bolus dose depends on the systemic levels of the active ingredient desired throughout the body, e.g., an intramuscular or subcutaneous bolus dose allows a slow release of the active ingredient, while a bolus delivered directly to the veins (e.g., through an IV drip) allows a much faster delivery which quickly raises the concentration of the active ingredient in the blood to an effective level.
• the pharmaceutical composition may be administered as a continuous infusion, e.g., by IV drip, to provide maintenance of a steady-state concentration of the active ingredient in the subject’s body.
• the pharmaceutical composition may be administered as first as a bolus dose, followed by continuous infusion.
• compositions for oral administration can take the form of bulk liquid solutions or suspensions, or bulk powders. More commonly, however, the compositions are presented in unit dosage forms to facilitate accurate dosing.
• unit dosage forms refers to physically discrete units suitable as unitary dosages for human subjects and other mammals, each unit containing a predetermined quantity of active material calculated to produce the desired therapeutic effect, in association with a suitable pharmaceutical excipient.
• Typical unit dosage forms include prefilled, premeasured ampules or syringes of the liquid compositions or pills, tablets, capsules or the like in the case of solid compositions.
• the compound is usually a minor component (from about 0.1 to about 50% by weight or preferably from about 1 to about 40% by weight) with the remainder being various vehicles or excipients and processing aids helpful for forming the desired dosing form.
• the compounds of the present invention can also be administered in sustained release forms or from sustained release drug delivery systems.
• sustained release materials can be found in Remington’s Pharmaceutical Sciences.
• the present invention also relates to the pharmaceutically acceptable acid addition salt of a compound of the present invention.
• the acid which may be used to prepare the pharmaceutically acceptable salt is that which forms a non-toxic acid addition salt, i.e., a salt containing pharmacologically acceptable anions such as the hydrochloride, hydroiodide, hydrobromide, nitrate, sulfate, bisulfate, phosphate, acetate, lactate, citrate, tartrate, succinate, maleate, fumarate, benzoate, para-toluenesulfonate, and the like.
• a non-toxic acid addition salt i.e., a salt containing pharmacologically acceptable anions such as the hydrochloride, hydroiodide, hydrobromide, nitrate, sulfate, bisulfate, phosphate, acetate, lactate, citrate, tartrate, succinate, maleate, fumarate, benzoate, para-toluen
• Described herein are methods of treating depression, such as postpartum depression, major depressive disorder, or anxiety, such as generalized anxiety disorder, in a subject, the method comprising administering to the subject an effective amount of Compound 1 or a pharmaceutically acceptable salt thereof.
• a method of treating depression such as postpartum depression or major depressive disorder, or anxiety, such as generalized anxiety disorder, in a subject
• the method comprising administering to the subject a therapeutically effective amount of Compound 1 or a pharmaceutically acceptable salt thereof.
• the method comprises administering to the subject a therapeutically effective amount of Compound 1.
• the subject is between and including the ages of 18 and 64.
• the subject is between and including the ages of 18 and 75.
• Compound 1 is administered with food.
• the therapeutically effective amount of Compound 1 is 20 mg. In some embodiments, the therapeutically effective amount of Compound 1 is 10 mg. In some embodiments, the therapeutically effective amount of Compound 1 is 15 mg. In some embodiments, the therapeutically effective amount of Compound 1 is 25 mg. In some embodiments, the therapeutically effective amount of Compound 1 is about 30 mg. In some embodiments, the therapeutically effective amount of Compound 1 is about 45 mg. In some embodiments, Compound 1 is administered in one or more capsules. In some embodiments, the therapeutically effective amount is administered across three capsules. In some embodiments, the subject does not have an underlying condition. In some embodiments, the subject has an underlying condition.
• provided herein are methods for treating a subject with depression or anxiety, said method comprising administering to said subject a pharmaceutical composition comprising Compound 1 using an episodic dosing regimen effective to treat depression in said subject.
• the dosing regimen is for a duration of about 2 weeks to about 8 weeks. In some other aspects, the dosing regimen is for a duration of about 2 weeks to about 6 weeks. In some other aspects, the dosing regimen is for a duration of about 2 weeks to about 4 weeks. In some other aspects, the dosing regimen is for a duration of about 2 weeks. In some other aspects, the dosing regimen is for a duration of about 2 weeks, or about 14 days.
• about 10 mg of Compound 1 is administered to the subject once a day for a plurality of weeks. In some embodiments, about 15 mg of Compound 1 is administered to the subject once a day for a plurality of weeks. In some embodiments, about 20 mg of Compound 1 is administered to the subject once a day for a plurality of weeks. In some embodiments about 25 mg of Compound 1 is administered to the subject once a day for a plurality of weeks. In some embodiments, 30 mg of Compound 1 is administered to a subject once a day. In some embodiments, 30 mg of Compound 1 is administered to a subject once a day, and if the subject does not tolerate 30 mg of Compound 1, the subject is administered 20 mg of Compound 1 once a day.
• 30 mg of Compound 1 is administered to a subject once a day for about two weeks. In some embodiments, 30 mg of Compound 1 is administered to a subject once a day for about two weeks (or about 14 days), and if the subject does not tolerate 30 mg of Compound 1, the subject is administered 20 mg of Compound 1 once a day for about two weeks (or about 14 days). In some embodiments, 30 mg of Compound 1 is administered to a subject once a day for two weeks, and if the subject does not tolerate 30 mg of Compound 1, the subject is administered 20 mg of Compound 1 once a day for two weeks. In some embodiments, 30 mg of Compound 1 is administered to a subject once a day for at least two weeks (or about 14 days).
• 30 mg of Compound 1 is administered to a subject once a day for two weeks (or about 14 days), and if the subject does not tolerate 30 mg of Compound 1, the subject is administered 20 mg of Compound 1 once a day for at least two weeks (or about 14 days). In some embodiments, 30 mg of Compound 1 is administered to a subject once a day for two weeks.
• the method comprises an episodic dosing regimen, wherein the method comprises administering Compound 1 to a subject concurrent with an episode of a disorder being treated, e.g, an episode of major depressive disorder, bipolar depression, anxiety, including generalized anxiety disorder, or postpartum depression. an episode of major depressive disorder, bipolar depression, anxiety, or postpartum depression.
• the major depressive disorder is moderate major depressive disorder. In some embodiments, the major depressive disorder is severe major depressive disorder. In some embodiments, the major depressive disorder is moderate major depressive disorder. In some embodiments, the major depressive disorder is severe major depressive disorder. In some embodiment, the anxiety is generalized anxiety disorder.
• the subject exhibits a response to the episodic dosing regimen, wherein the response is indicated by greater than or equal to about 50% reduction in HAM-D score from baseline.
• the subject is evaluated for recurrence, of depression symptoms.
• the method of treating comprises a plurality of episodic dosing regimen.
• the episodic dosing regimens are spaced apart by at least a 6 week interval.
• the episodic dosing regimens are spaced apart by 6 weeks.
• the episodic dosing regimens are spaced apart by 7 weeks.
• the episodic dosing regimens are spaced apart by 8 weeks.
• a method of treating postpartum depression in a subject in need thereof comprising the steps of administering to said subject an episodic dosing regimen of 30 mg of Compound 1 once a day for about 2 weeks (or about 14 days) and if the subject does not tolerate administration of 30 mg of Compound 1 once a day, the subject is administered 20 mg of Compound 1 once a day.
• the method provides therapeutic effect (e.g., as measured by reduction in Hamilton Depression Score (HAM-D)) within about 45, about 21, about 15, about 8, or about 3 days.
• the therapeutic effect is a decrease from baseline in HAM-D score at the end of a treatment period (e.g., about 45, about 21, about 15, about 8, or about 3 days after beginning administration or episodic dosing).
• the decrease from baseline in HAM-D score is from severe (e.g., HAM-D score of 24 or greater; or a score of 26 or greater) to symptom-free, i.e. remission of depression (e.g., HAM-D score of 7 or lower).
• the decrease from baseline in HAM-D score is from severe (e.g., HAM-D score of 24 or greater; or a score of 26 or greater) to normal or mild depression (e.g., HAM-D score of 7 or lower; or HAM-D score of 18-13).
• the method provides therapeutic effect (e.g., as measured by reduction in Montgomery-Asberg Depression Rating Scale (MADRS)) within about 45, about 21, about 15, about 8, or about 3 days or less.
• the Montgomery– ⁇ sberg Depression Rating Scale (MADRS) is a ten-item diagnostic questionnaire (regarding apparent sadness, reported sadness, inner tension, reduced sleep, reduced appetite, concentration difficulties, lassitude, inability to feel, pessimistic thoughts, and suicidal thoughts) which psychiatrists use to measure the severity of depressive episodes in patients with mood disorders. 0-6 indicates normal/symptom absent; 7-19 indicates mild depression; 20-34 indicates moderate depression; and >34 indicates severe depression.
• the therapeutic effect is a decrease from baseline in MADRS score at the end of a treatment period (e.g., about 45, about 21, about 15, about 8, or about 3 days or less).
• the decrease from baseline in MADRS score is from severe (e.g., MADRS score of 30 or greater) to symptom-free (e.g., MADRS score of 20 or lower).
• the mean change from baseline in MADRS total score from treatment with a compound described herein is about - 15, -20, -25, -30, while the mean change from baseline in MADRS total score from treatment with placebo is about -15, -10, -5.
• the method provides therapeutic effect (e.g., as measured by reduction in Clinical Global Impression-Improvement Scale (CGI)) within about 45, about 21, about 15, about 8, or about 3 days or less.
• the therapeutic effect is a CGI score of 2 or less.
• the method provides therapeutic effect (e.g., as measured by reduction in Hamilton Anxiety Score (HAM-A)) within about 45, about 21, about 15, about 8, or about 3 days.
• HAM-A is scored where ⁇ 17 indicates mild severity, 18–24 mild to moderate severity and 25–30 moderate to severe.
• the therapeutic effect is a decrease from baseline in HAM-A score at the end of a treatment period (e.g., about 45, about 21, about 15, about 8, or about 3 days after beginning administration or episodic dosing).
• the decrease from baseline in HAM-A score is from severe (e.g., HAM-A score of 25 or greater) to symptom-free (e.g., HAM-A score of 17 or lower).
• the decrease from baseline in HAM-A score is from severe (e.g., HAM-A score of 25 or greater) to mild (e.g., HAM-A score of 24 or lower).
• the instruction set describes a method comprising an episodic dosing regimen, wherein the episodic dosing regimen occurs for about 2 weeks to about 6 weeks. In some embodiments, the instruction set describes a method comprising an episodic dosing regimen, wherein the episodic dosing regimen occurs for about 2 weeks to about 4 weeks. In some embodiments, the instruction set describes a method comprising an episodic dosing regimen, wherein the episodic dosing regimen occurs for about 2 weeks, , or about 14 days. In some embodiments, the instruction set describes a method comprising an episodic dosing regimen, wherein the episodic dosing regimen occurs for 2 weeks.
• the instruction set is a printed instruction set.
• the instruction set describes a method comprising an episodic dosing regimen, wherein the method comprises administering Compound 1 to a subject concurrent with an episode of a disorder being treated.
• the instruction set describes a method comprising an episodic dosing regimen, wherein the method comprises administering Compound 1 to a subject concurrent with an episode of a disorder being treated, e.g, an episode of depression.
• the instruction set describes a method comprising an episodic dosing regimen, wherein the method comprises administering Compound 1 to a subject concurrent with an episode of a disorder being treated, e.g, an episode of depression.
• the instruction set describes a method comprising an episodic dosing regimen, wherein the method comprises administering Compound 1 to a subject concurrent with an episode of a disorder being treated, e.g., an episode of major depressive disorder, bipolar depression, anxiety, or postpartum depression.
• a disorder e.g., an episode of major depressive disorder, bipolar depression, anxiety, or postpartum depression.
• the major depressive disorder is moderate major depressive disorder.
• the major depressive disorder is severe major depressive disorder.
• a method of treating depression in a subject in need thereof comprising the steps of:
• the six week interval is the duration between the last dose of administration of Compound 1 to the subject and first dose of re- administration of Compound 1 to the subject.
• Compound 1 is administered to the subject for 2 weeks. In some embodiments, Compound 1 is re-administered to the subject for 2 weeks. In some embodiments, the interval between administration of Compound 1 to the subject and re- administration of Compound 1 to the subject is 6 weeks. In some embodiments, the interval between administration of Compound 1 to the subject and re-administration of Compound 1 to the subject is 7 weeks. In some embodiments, the interval between administration of Compound 1 to the subject and re-administration of Compound 1 to the subject is 8 weeks.
• the depression is major depressive disorder (MDD). In some embodiments, the MDD is moderate major depressive disorder. In some embodiments, the MDD is severe major depressive disorder. In some embodiments, the depression is bipolar depression. In some embodiments, the depression is post-partum depression. In some embodiments, the subject has been diagnosed with depression. In some embodiments, the depression is major depressive disorder or bipolar depression. In some embodiments, the subject is a female diagnosed with severe postpartum depression. In some embodiments, the subject has been experiencing a major depressive episode over about a 1-year period. In some embodiments, the subject is between about 18 and about 75 years of age. In some embodiments, the subject is between about 18 and about 65 years of age.
• the subject is administered about 10 mg of Compound 1. In some embodiments, the subject is administered about 20 mg of Compound 1. In some embodiments, the subject is administered about 30 mg of Compound 1. In some embodiments,
• the subject is administered about 40 mg of Compound 1. In some embodiments, the subject is administered about 40 mg of Compound 1.
• the subject is administered about 10 mg of Compound 1 once a day. In some embodiments, the subject is administered about 20 mg of Compound 1 once a day. In some embodiments, the subject is administered about 30 mg of Compound 1 once a day. In some embodiments, the subject is administered about 40 mg of Compound 1 once a day. In some embodiments, the amount of Compound 1 administered to the subject is reduced in the occurrence of a severe adverse effect. In some embodiments, Compound 1 is administered in the evening. In some embodiments, Compound 1 is administered with food. In some embodiments, Compound 1 is in a capsule. In some embodiments, the method further comprises administration of a second therapeutic agent.
• a method of treating major depressive disorder in a subject in need thereof comprising the steps of:
• a method of treating postpartum depression in a subject in need thereof comprising the steps of:
• a method of treating bipolar depression in a subject in need thereof comprising the steps of:
• kits wherein a kit comprises an instruction set that describes a method for treating major depressive disorder, bipolar depression, anxiety, or postpartum depression by administering Compound 1, wherein the method comprises an episodic dosing regimen.
• the major depressive disorder is moderate major depressive disorder.
• the major depressive disorder is severe major depressive disorder.
• about 10 mg, about 15 mg, about 20 mg, about 25 mg or about 30 mg of Compound 1 is administered to the subject.
• Compound 1 is administered to the subject once a day for a plurality of weeks, e.g., about 2 weeks to about 6 weeks, e.g., about 2 weeks to about 4 weeks, e.g., about 2 weeks.
• Compound 1 about 10 mg, about 15 mg, about 20 mg, about 25 mg or about 30 mg of Compound 1 is administered to the subject once a day for a plurality of weeks.
• the episodic dosing regimen occurs for about 2 weeks to about 6 weeks.
• the episodic dosing regimen occurs for about 2 weeks to about 4 weeks.
• the episodic dosing regimen occurs for about 2 weeks, or about 14 days.
• the episodic dosing regimen occurs for 2 weeks.
• provided herein is a method of treating anxietyin a subject, the method comprising administering to the subject a
• the method comprises administering to the subject a therapeutically effective amount of Compound 1.
• the subject is between and including the ages of 18 and 64.
• the compound is administered with food.
• the therapeutically effective amount is 20 mg.
• the therapeutically effective amount is 10 mg.
• the therapeutically effective amount is 15 mg.
• the therapeutically effective amount is 25 mg.
• the therapeutically effective amount is about 30 mg.
• the therapeutically effective amount is about 45 mg.
• Compound 1 is administered in one or more capsules. In some embodiments, the therapeutically effective amount is administered across three capsules.
• the anxiety is generalized anxiety disorder.
• Generalized Anxiety Disorder GAD is characterized by persistent and excessive worry about a number of different things. People with GAD may anticipate disaster and may be overly concerned about money, health, family, work, or other issues. Individuals with GAD find it difficult to control their worry. They may worry more than seems warranted about actual events or may expect the worst even when there is no apparent reason for concern.
• the anxiety is obsessive-compulsive disorder (OCD); panic disorder, post-traumatic stress disorder (PTSD), or social anxiety disorder.
• OCD is an anxiety disorder and is characterized by recurrent, unwanted thoughts (obsessions) and/or repetitive behaviors (compulsions).
• Panic disorder is an anxiety disorder and is characterized by unexpected and repeated episodes of intense fear accompanied by physical symptoms that may include chest pain, heart palpitations, shortness of breath, dizziness, or abdominal distress.
• Post- Traumatic Stress Disorder, PTSD is an anxiety disorder that can develop after exposure to a cosmic event or ordeal in which grave physical harm occurred or was threatened.
• Traumatic events that may trigger PTSD include violent personal assaults, natural or human- caused disasters, accidents, or military combat.
• Social Phobia or Social Anxiety Disorder
• Social phobia is an anxiety disorder characterized by overwhelming anxiety and excessive self-consciousness in everyday social situations.
• Social phobia can be limited to only one type of situation - such as a fear of speaking in formal or informal situations, or eating or drinking in front of others - or, in its most severe form, may be so broad that a person experiences symptoms almost anytime they are around other people.
• the method improves cognitive function in the subject after completing the episodic dosing regimen. In some aspects, the method improves cognitive function in the subject after completing the episodic dosing regimen, wherein the episodic dosing regimen had a duration of about 2 to about 8 weeks. In further aspects, the method improves cognitive function in the subject after completing the episodic dosing regimen, wherein the episodic dosing regimen had a duration of about 2 to about 6 weeks.
• the method improves cognitive function in the subject after completing the episodic dosing regimen, wherein the episodic dosing regimen had a duration of about 2 to about 4 weeks. In further embodiments, the method improves cognitive function in the subject after completing the episodic dosing regimen, wherein the episodic dosing regimen had a duration of about 2 weeks or 14 days. In other aspects, the method improves cognitive function in the subject after completing the episodic dosing regimen, wherein the episodic dosing regimen had a duration of 2 weeks.
• kits comprising a plurality of individual dosage units of a pharmaceutical composition comprising Compound 1 and an instruction set, as described herein.
• an instruction set describes a method for administering said pharmaceutical composition to a patient, wherein said method comprises an episodic dosing regimen.
• the present invention provides a kit comprising:
• a plurality of individual dosage units of a pharmaceutical composition comprising Compound 1; and 2. an instruction set for administering said dosage units to a patient in need thereof using an episodic dosing regimen.
• the instruction set is printed on a suitable material, such as paper
• the dosage unit is a capsule.
• the unit dosage, or dosage unit includes prefilled, premeasured ampules or syringes of a liquid compositions, or pills, tablets, capsules or the like in the case of solid compositions.
• the dosage unit is a capsule of size 1. In other embodiments, the capsules are of size, 000, 00, 0, 1, 2, 3, or 4, as understood in the art. Examples Example 1: Compound 1 and Postpartum Depression
• Compound 1 was investigated for use in subjects with depression.
• Female subjects (18-65 years old) diagnosed with severe postpartum depression (PDD) with a HAM-D total score of greater than or equal to 26 at screening and Day 1 were used in the investigation.
• the subjects were dosed once per day with capsules containing 30 mg of Compound 1.
• the dose could be adjusted to capsules containing 20 mg of Compound 1 if the 30 mg dose was not tolerated.
• Subjects not dosed with Compound 1 were dosed with a placebo. In total, 78 subjects were treated with Compound 1 at 30 mg and 73 subjects were treated with placebo.
• a sample size of approximately 65 evaluable subjects per treatment group provided 90% power to detect a placebo-adjusted treatment difference of approximately 4 points in the primary endpoint, change from baseline in HAM-D total score at Day 15 assuming standard deviation (SD) of 7 points.
• SD standard deviation
• the change from baseline in the HAM-D total score was analyzed using a mixed effects model for repeated measures (MMRM).
• MMRM mixed effects model for repeated measures
• the model included the change from baseline at each visit as the dependent variable.
• the main comparison was (difference in least mean square
• Model-based point estimates i.e, LSMEAN, 95% confidence intervals, and p- values
• an unstructured covariance structure was used to model the within-subject errors. If there was a convergence issue with the unstructured covariance model, Toeplitz, compound symmetry or autoregressive (1) (AR[1]) covariance structure was used, following this sequence until convergence was achieved. If the model still does not converge with AR(1) structure, no results were reported.
• the sandwich estimator for the variance-covariance matrix was derived, using the EMPIRICAL option in the PROC MIXED statement in SAS.
• an MMRM was used for the analysis of the following variables: changes from baseline in MADRS total score and HAM-A total score, and select individual item and subscale scores. For each model, the comparison of interest was between Compound 1 Capsules and matching placebo at the 15-day time point. Model-based point estimates (i.e., LS means), 95% confidence intervals, and p-values were reported. Results
• FIG.1 depicts the LS mean change from baseline in Hamilton Rating Scale for Depression (HAM-D), total score over time by treatment group.
• FIG.2 depicts a forest plot of the subgroup analysis for primary endpoint at day 15.
• FIG.3 depicts a bar chart of Hamilton Rating Scale for Depression (HAM-D) remission by time point and treatment group.
• FIG.4 depicts a bar chart of Hamilton Rating Scale for
• Compound 1 (30 mg) treated subjects from mean baseline of 26.1 (5.88), and -12.9 (8.57) for placebo treated subjects from baseline of 27.2 (5.45) at Day 15.
• the results from the study are shown in FIG.6.
• Example 2 A Phase 3, Open-label, 1-year Study of the Safety, Tolerability, and Need for Re-treatment with Compound 1 in Adult Subjects with Major Depressive Disorder (MDD)
• Compound 1 was investigated in an open-label, long-term, longitudinal study in adult subjects with MDD currently experiencing a major depressive episode (MDE). See FIG.8 for a schematic of the study design.
• MDD The diagnosis of MDD was made according to Structured Clinical Interview for DSM-5 Clinical Trial Version (SCID-5-CT), performed by a qualified healthcare professional. Subjects were evaluated in a preliminary screening procedure at the Screening Visit to determine eligibility, including completion of the MADRS and CGI-S.
• SCID-5-CT Structured Clinical Interview for DSM-5 Clinical Trial Version
• the primary objective of the study was to determine the safety and tolerability of initial treatment and re-treatment(s) with Compound 1 in adults with MDD currently experiencing a major depressive episode (MDE) over a 1-year period.
• MDE major depressive episode
• Exploratory objectives of the study were to develop a digital phenotype of adults with MDD currently experiencing an MDE and assess potential correlations with clinical endpoints; assess the effect of Compound 1 on sleep; and assess patient-reported outcome measures as they relate to impact of depression on subjects’ lives, severity of depression, functionality, subject perspective of symptoms, and subject satisfaction with Compound 1.
• the primary endpoint of the study was the safety and tolerability of the initial treatment with Compound 1 and re-treatment with Compound 1, as assessed by measures including the incidence and severity of AEs/SAEs; changes from baseline in clinical laboratory measures, vital signs, and electrocardiograms (ECGs); and suicidal ideation and behavior using the Columbia Suicide Severity Rating Scale (C-SSRS).
• Secondary endpoints of this study were: the need for re-treatment with Compound 1 as assessed by: time to first re-treatment (Kaplan-Meier curves); number of subjects achieving the requirements for re-treatment; and number of re-treatment cycles for each subject.
• HAM-D total score at the end of each 14-day treatment (initial and/or re-treatment) period The response of initial treatment and/or re-treatment as assessed by change from baseline in the 17- item HAM-D total score at the end of each 14-day treatment (initial and/or re-treatment) period; HAM-D response at the end of each 14-day treatment (initial and/or re-treatment); period, defined as a 350% reduction in HAM-D score from baseline; HAM-D remission at the end of each 14-day treatment (initial and/or re- treatment) period, defined as HAM-D total score £7; CGI-I response, defined as“much improved” or“very much improved”, at the end of each 14-day treatment (initial and/or re-treatment) period; and change from baseline in Clinical Global Impression - Severity (CGI-S) score at the end of each 14-day treatment (initial and/or re-treatment) period (also referred
• Exploratory endpoints of this study were: digital phenotype as developed by passive collection of basic behavior data, such as such as GPS, text/phone use, motor activity/sleep patterns in subjects who provide consent to use a mobile phone-supported software application; effect of Compound 1 on sleep as assessed by the Insomnia Severity Index (ISI); time to first new ADT use (Kaplan-Meier curves) and number of new ADTs used; patient- reported depressive symptoms as assessed by the 9-item Patient Health Questionnaire (PHQ- 9); patient-reported functionality as assessed by the Sheehan Disability Scale (SDS); and patient-reported impact of depression and patient perspective of symptoms and satisfaction as assessed by a patient status questionnaire (PSQ).
• basic behavior data such as such as GPS, text/phone use, motor activity/sleep patterns in subjects who provide consent to use a mobile phone-supported software application
• ISI Insomnia Severity Index
• Kaplan-Meier curves time to first new ADT use
• the duration of subject participation was approximately 56 weeks: Screening Period (28 days), Initial Treatment Period (14 days, or exemplary episodic dosing regimen), Follow- up Period (14 days), and Observational Period (48 weeks). Additional 14-day re-treatment periods (or episodic dosing regimen) with Compound 1 may have occurred during the 48- week Observational Period.
• a subject did not exhibit a response to Compound 1 by Day 15 of the initial treatment, defined as a 350% reduction in HAM-D score from baseline, the subject was terminated from the study upon completion of the 14-day follow-up period.
• Each 14-day treatment period of Compound 1 and corresponding 14-day follow-up period was considered a cycle (Day 28).
• the initial treatment was Cycle 1 and re-treatments were numbered sequentially.
• Each cycle began with Day 1 (e.g., the first day of the first re- treatment period was Day 1 of Cycle 2).
• a maximum of 5 treatment cycles was permitted; a new re-treatment cycle did not start after Week 48.
• Subjects starting a new Compound 1 treatment cycle between Weeks 45 and 48 were followed through the end of the treatment cycle (Day 28, end of Follow-up period of treatment cycle).
• the need for re-treatment was assessed every 14 days via remote assessments during the 48-week observational period based on the results of the subject-reported PHQ-9; if the PHQ-9 score was 310, the subject returned to the site to be assessed by the clinician- administered HAM-D. New Compound 1 cycles were initiated for subjects with a HAM-D score 320 assessed approximately 1 week from the PHQ-9 score 310.
• a minimum period or interval of 8 weeks (56 days) was required between Compound 1 treatment cycles. This was based on the period of 8 weeks establishing‘full remission’ of a depressive episode (American Psychiatric Association 2013) and is aligned with the treatment period which would be required for any available antidepressant (ADT) to exhibit maximal efficacy.
• Compound 1 was provided to the clinic pharmacist and/or designated site staff responsible for dispensing the study drug in appropriately labeled, subject-specific kits containing sealed unit doses. Each unit dose consists of 1 capsule. Study Drug Administration
• Compound 1 was administered orally once daily in the evening with food. Practical options included taking Compound 1 within 1 hour of dinner or taking Compound 1 later in the evening with solid food. If a subject misses a dose, the subject skipped that dose (i.e., they should not take the dose in the morning) and took the next scheduled dose the next evening. As this was the first study in which longitudinal re-treatment with Compound 1 was examined, and based on known withdrawal symptoms with other GABAergic drugs and non- clinical findings in a 9-month study of Compound 1 in dogs (Investigator’s Brochure), the potential for withdrawal-related events, including seizure, was monitored, which included study drug discontinuation or dose reduction.
• re-treatment cycle will begin with Day 1 (eg, the first day of the first re-treatment will be Day 1 of Cycle 2).
• the day after treatment is discontinued.
• the follow-up visits should occur 14 days after the last dose of treatment. If at any time after the EOT visit, a subject decides to terminate the study, the subject should return for an early termination (ET) visit.
• EOT and ET visits can be on the same day if a subject discontinues study drug and terminates the study on the same day during a clinic visit; in this case, all events scheduled for the EOT visit will be conducted.
• a serum FSH test will be conducted at Screening for female subjects that are not surgically sterile to confirm
• a full physical examination will be conducted at Screening and abbreviated physical examinations will be conducted thereafter.
• a full physical examination includes assessment of body systems (eg, head, eye, ear, nose, and throat; heart; lungs; abdomen; and extremities).
• h Safety laboratory tests will include hematology, serum chemistry, coagulation, and urinalysis.
• Urine toxicology for selected drugs of abuse (as per the laboratory manual) and breath test for alcohol.
• n Vital signs include oral temperature (°C), respiratory rate, heart rate, and blood pressure (supine and standing). Heart rate and blood pressure to be collected in supine position at all scheduled time points after the subject has been resting for 5 minutes and then in the standing position. Vital signs may be repeated at the discretion of the Investigator as clinically indicated.
• The“Baseline/Screening” C-SSRS form will be completed at screening.
• The“Since Last Visit” C-SSRS form will be completed at any time of day at all subsequent time points.
• the HAM-D is to be completed as early during the visit as possible.
• the assessment timeframe for the HAM-D scale will refer to the past 7 days (1 week).
• Adverse events will be collected starting at the time of informed consent and throughout the duration of the subject’s participation in the study.
• the dose level in this study of 30 mg per day was the dose level that was efficacious and well- tolerated in a Phase 2 study in subjects with MDD. Dose adjustments to 20-mg of Compound 1 were permitted; 20-mg of Compound 1 was anticipated to be well tolerated as it was lower than the maximum tolerated dose level. Due to sedation/somnolence observed in previous clinical trials when administered in the morning, and improved tolerability when given in the evening, Compound 1 was administered in the evening in this study.
• Subject had signed an ICF prior to any study-specific procedures being performed. 2. Subject was a male or female between 18 and 75 years of age, inclusive.
• Subject has a diagnosis of MDD as diagnosed by SCID-5-CT, with symptoms that have been present for at least a 4-week period.
• Subject has a MADRS total score of 328 at screening and Day 1 (prior to dosing). 7. Subjects taking antidepressants used to treat major depressive disorder must have been taking these medications at the same dose for at least 60 days prior to Day 1.
• Female subject agreed to use one of the following methods of contraception during participation in the study and for 30 days following the last dose of study drug, unless they were postmenopausal (defined as no menses for 12 months without an alternative medical cause and confirmed by follicular stimulation hormone [FSH] >40 mIU/mL), surgically sterile (hysterectomy or bilateral oophorectomy), or does not engage in sexual relations which carry a risk of pregnancy: combined (estrogen and progestogen containing) oral, intravaginal, or transdermal hormonal contraception associated with inhibition of ovulation; oral, injectable, or implantable progestogen-only hormonal contraception associated with inhibition of ovulation; intrauterine device; Intrauterine hormone-releasing system; Bilateral tubal ligation/occlusion; Vasectomized partner; Sexual abstinence (no sexual intercourse).
• FSH follicular stimulation hormone
• Male subject agreed to use an acceptable method of effective contraception for the duration of study and for 5 days after receiving the last dose of the study drug, unless the subject does not engage in sexual relations which carry a risk of pregnancy.
• Acceptable methods of effective contraception for males includes sexual abstinence, vasectomy, or a condom with spermicide used together with highly effective female contraception methods if the female partner(s) is of child- bearing potential (see Inclusion Criteria #8 for acceptable contraception methods).
• Male subject was willing to abstain from sperm donation for the duration of the study and for 5 days after receiving the last dose of the study drug.
• Subject agreed to refrain from drugs of abuse and alcohol for the duration of the study. Subject Exclusion Criteria
• Subject had a recent history or active clinically significant manifestations of metabolic, hepatic, renal, hematological, pulmonary, cardiovascular,
• Subject was taking benzodiazepines, barbiturates, or GABAA modulators (eg, eszopiclone, zopiclone, zaleplon, and zolpidem) at Day -28, or subjects have been using these agents daily or near-daily (34 times per week) for more than one year. 6.
• Subject was taking non-GABA anti-insomnia medications (eg, melatonin,
• Subject had a known allergy to Compound 1, allopregnanolone, or related
• Subject had a positive pregnancy test at screening or on Day 1 prior to the start of study drug administration for any treatment cycle.
• Subject had detectable hepatitis B surface antigen, anti-hepatitis C virus (HCV) and positive HCV viral load, or human immunodeficiency virus (HIV) antibody at screening.
• HCV anti-hepatitis C virus
• HCV human immunodeficiency virus
• Subject had a medical history of bipolar disorder, schizophrenia, and/or
• Subject had a history of mild, moderate, or severe substance use disorder
• Subject had a positive drug and/or alcohol screen at screening or on Day 1 prior to dosing of the initial treatment cycle.
• Subject had been diagnosed with and/or treated for any type of cancer (excluding basal cell carcinoma and in situ melanoma) within the past year prior to
• Subject had a history of sleep apnea.
• Subject had had gastric bypass surgery, has a gastric sleeve or lap band, or has had any related procedures that interfere with gastrointestinal transit. Subject Withdrawal Criteria
• Subjects could withdraw from the study drug or terminate from the study at any time for any reason.
• the Investigator could withdraw the subject from the study drug or from the study for any of the following reasons: the subject was unwilling or unable to adhere to the protocol; the subject experiences an intolerable AE; other medical or safety reason, at the discretion of the Investigator and/or the Medical Monitor.
• the Investigator notified the Sponsor and/or the Medical Monitor immediately when a subject withdrew from the study drug or terminated the study for any reason. The reason was recorded in the subject’s electronic case report form (eCRF).
• eCRF electronic case report form
• Subjects who discontinued study drug early during a treatment period returned to the site for an end of treatment (EOT) visit as soon as possible, preferably the day after treatment was discontinued.
• EOT end of treatment
• the follow-up phone call and remote assessments took place 14 days after the last dose of treatment. Thereafter the subject continued the observational period as scheduled (Table 2).
• ET visit was on the same day as an EOT visit if a subject discontinued study drug and terminated the study on the same day during a treatment period; in this case, all events scheduled for the EOT visit was conducted.
• Examples of reported serious or severe events which may reflect an oncoming and/or increased risk for seizure included temporary confusion, tremors, involuntary muscle fasciculations or jerking movements of arms or legs, or paresthesia. Should such symptoms occur, the Investigator, in consultation with the Sage Medical Monitor, considered decreasing the dose of study drug to 20 mg, stopping treatment to assess the effect on the symptom(s) (eg, resolution, improvement, etc), or discontinuing the subject from treatment. A subject who discontinues treatment remained in the study and continue protocol-required assessments until the end of the study.
• Antidepressants that have been taken at the same dose for at least 60 days prior to Day 1 were permitted if the subject intended to continue the stable dose through the initial treatment and follow-up period (through Day 28 of Cycle 1).
• Permitted as-needed medications for symptom management include benzodiazepines, GABA- modulators for insomnia (e.g., eszopiclone, zopiclone, zaleplon, and zolpidem), and non-GABA treatments for insomnia; use of such treatments should be limited to a maximum of 4 days per week.
• GABA- modulators for insomnia e.g., eszopiclone, zopiclone, zaleplon, and zolpidem
• non-GABA treatments for insomnia should be limited to a maximum of 4 days per week.
• a new Compound 1 treatment cycle could be initiated at Day 70 or later. After completion of a new Compound 1 cycle, continued use of any intervention(s) used during the previous Observation Period was at the Investigator’s discretion.
• Example 3 A Phase 3, Randomized, Double-blind, Placebo-controlled Study of the Efficacy and Safety of Compound 1 with a Fixed, Repeated Treatment Regimen on Relapse Prevention in Adults with Major Depressive Disorder (MDD)
• MDD Major Depressive Disorder
• the planned duration of subject participation was up to 52 weeks, including a Screening Period (up to 4 weeks), an Open-label (OL) Phase (8 weeks), and a Double-blind (DB) Phase (40 weeks).
• the Screening Period began with the signature of the informed consent form (ICF); the ICF was signed prior to beginning any screening activities.
• the diagnosis of MDD was made according to Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) Clinical Trial Version (SCID-5-CT) performed by a qualified healthcare professional. Subjects underwent preliminary screening procedures at the Screening Visit to determine eligibility, including completion of the MADRS and CGI-S.
• the 40-week DB Phase consisted of five 14-day treatment periods, each separated by a 6-week follow-up period; the end of each follow-up period coincided with the first visit of the next treatment period.
• subjects self-administered a single dose of study drug once daily in the evening with food, on an outpatient basis.
• Subjects returned to the study center during the DB treatment and follow-up periods as outlined in Table 5.
• IRAC Independent Relapse Adjudication Committee
• the primary objective of this study was to evaluate the efficacy of Compound 1 with a fixed, repeated treatment regimen in the prevention of relapse in subjects with major depressive disorder (MDD) who had responded to OL treatment with Compound 1.
• MDD major depressive disorder
• the secondary objective of this study was to evaluate the long-term safety and tolerability of a fixed, repeated treatment regimen of Compound 1 up to 1 year.
• C-SSRS Columbia Suicide Severity Rating Scale
• Subject was a male or female between 18 and 65 years of age, inclusive.
• Subject was in good physical health and has no clinically significant findings, as determined by the Investigator, on physical examination, 12-lead ECG, or clinical laboratory tests.
• Subject had a diagnosis of MDD as diagnosed by SCID-5-CT, with symptoms that have been present for at least a 4-week period.
• MDE major depressive episode
• Subject had a MADRS total score of 332 and a HAM-D total score of 322 at Screening and Day 1 (prior to dosing) of the Open-label Phase. 8. Subject was willing to delay start of any antidepressant, anxiolytic, insomnia,
• Subjects received psychotherapy must have been receiving therapy on a regular schedule for at least 60 days prior to Day 1.
• Female subject agreed to use one of the following methods of highly effective contraception during participation in the study and for 30 days following the last dose of study drug, unless they were postmenopausal (defined as no menses for 12 months without an alternative medical cause and confirmed by follicular stimulation hormone [FSH] >40 mIU/mL), surgically sterile (hysterectomy or bilateral oophorectomy), or does not engage in sexual relations which carry a risk of pregnancy:
• FSH follicular stimulation hormone
• Male subject agreed to use an acceptable method of effective contraception for the duration of study and for 5 days after receiving the last dose of the study drug, unless the subject does not engage in sexual relations which carry a risk of pregnancy.
• Acceptable methods of effective contraception for males includes vasectomy or a condom with spermicide used together with highly effective female contraception methods if the female partner(s) was of child-bearing potential (see Inclusion Criteria #10 for acceptable contraception methods).
• Subject had attempted suicide associated with the current episode of MDD. 2. Subject had a recent history or active clinically significant manifestations of metabolic, hepatic, renal, hematological, pulmonary, cardiovascular, gastrointestinal, musculoskeletal, dermatological, urogenital, neurological, or eyes, ears, nose, and throat disorders, or any other acute or chronic condition that, in the Investigator's opinion, would limit the subject's ability to complete or participate in this clinical study.
• a body mass index (BMI) £18 or 350 kg/m2 at Screening was exclusionary; a BMI of 40 to 49 kg/m2, inclusive, at Screening was subject to a broader evaluation of medical comorbidities (such as sleep apnea, COPD), concomitant medications, prior tolerability of sedating agents.
• BMI body mass index
• Treatment-resistant depression defined as persistent depressive symptoms despite treatment with adequate doses of antidepressants within the current major depressive episode (excluding antipsychotics) from two different classes for at least 4 weeks of treatment.
• Subject was taking benzodiazepines, barbiturates, or GABAA modulators (eg, eszopiclone, zopiclone, zaleplon, and zolpidem) at Day -28, or subject has been using these agents daily or near-daily (34 times per week) for more than one year at Day -28.
• GABAA modulators eg, eszopiclone, zopiclone, zaleplon, and zolpidem
• Subject was taking any benzodiazepine or GABA modulator with a half-life of 348 hours (eg, diazepam) from 60 days prior to Day 1.
• Subject was taking non-GABA anti-insomnia medications (eg, melatonin, Benadryl
• antipsychotics [antihistamines], trazodone) or first or second generation (typical/atypical) antipsychotics at Day-14.
• Subject was taking psychostimulants (eg, methylphenidate, amphetamine) or opioids, regularly or as-needed, at Day -28.
• psychostimulants eg, methylphenidate, amphetamine
• opioids regularly or as-needed, at Day -28.
• Subject had a known allergy to Compound 1, allopregnanolone, or related compounds. 12. Subject had a positive pregnancy test at screening or on Day 1 prior to dosing.
• Subject who was breastfeeding at Screening or on Day 1 does not agree to temporarily cease giving breast milk to child(ren) from just prior to receiving study drug on Day 1 until 7 days after the last dose of study drug in each treatment period.
• Subject had a medical history of seizures.
• Subject had a medical history of bipolar disorder, schizophrenia, and/or schizoaffective disorder.
• Subject had a history of mild, moderate, or severe substance use disorder (including benzodiazepines) diagnosed using DSM-5 criteria in the 12 months prior to screening.
• mild, moderate, or severe substance use disorder including benzodiazepines
• Subject had used any known strong inhibitors of cytochrome P450 (CYP)3A4 within 28 days or 5 half-lives (whichever was longer) prior to the first dose of study drug or plans to use these during any treatment period, or consumed grapefruit juice, grapefruit, or Seville oranges, or products containing these within 14 days prior to the first dose of study drug for any treatment period or plans to consume these products during any treatment period.
• CYP cytochrome P450
• Subject had a positive drug and/or alcohol screen at screening or on Day 1 prior to dosing in the Open-label Phase.
• Compound 1 was available as hard gelatin capsules containing a white to off-white powder.
• the Compound 1 capsules contained croscarmellose sodium, mannitol, silicified microcrystalline cellulose (SMCC), colloidal silicon dioxide and sodium stearyl fumarate as excipients.
• Colloidal silicon dioxide was either a component of the SMCC or a standalone excipient in the formulation.
• Compound 1 capsules were orally administered as a 30-mg or 20-mg dose.
• placebo was provided as hard gelatin capsules for oral
• ICD-10 codes to be collected if available.
• a serum FSH test will be conducted at Screening for female subjects that are not surgically sterile to confirm whether a female subject with 312 months of spontaneous amenorrhea meets the protocol- defined criteria for being post-menopausal.
• a full physical examination will be conducted, including assessment of body systems (eg, head, eye, ear, nose, and throat; heart; lungs; abdomen; and extremities).
• body systems eg, head, eye, ear, nose, and throat; heart; lungs; abdomen; and extremities.
• Clinical laboratory tests will include hematology, serum chemistry, coagulation, and urinalysis.
• h Vital signs include oral temperature (°C), respiratory rate, heart rate, and blood pressure (supine and standing). Heart rate and blood pressure to be collected in supine position at all scheduled time points after the subject has been resting for 5 minutes and then after approximately 3 minutes in the standing position. Vital signs may be repeated at the discretion of the Investigator as clinically indicated.
• the HAM-D is to be completed as early during the visit as possible.
• the assessment timeframe for HAM- D scales will refer to the past 7 days (1 week).
• Adverse events will be collected starting at the time of informed consent and throughout the duration of the subject’s participation in the study.
• Cognitive deficits can occur in individuals with depression and anxiety, for example major depressive disorder (MDD).
• MDD major depressive disorder
• Subjects receiving Compound 1 will be assessed using a battery of cognition tests, or Cogstate tests for changes, if any, in cognition.
• Cogstate tests can be designed to measure specific areas of cognition, and can be grouped together to form customized batteries based on the unique requirements of the study design and population. Examples of Cogstate tests are as follows:
• the Behavioral Pattern Separation Object test measures recognition memory using photos of objects.
• the participant is presented with a series of photos of common objects and must decide whether each object is used indoors or outdoors.
• the participant is then presented with a photo of an object and must recall whether the object is the same, similar or different to the photos they have already been shown.
• the Continuous Paired Associate Learning test measures visual memory using a paired associative learning paradigm.
• the participant In this test, the participant must learn and remember the pictures hidden beneath different locations on the screen.
• the pre- test on-screen instructions ask:“In what locations do these pictures belong”. A picture is presented in the centre of the screen. The participant taps the peripheral location of the picture and must remember its location.
• the same pictures are presented in the centre of the screen, however the peripheral location of each picture is hidden. The participant must tap on the peripheral location where the picture previously appeared.
• the Detection test measures processing speed using a simple reaction time paradigm.
• the on-screen instructions ask:“Has the card turned over?”. A playing card is presented face down in the center of the screen. The card flips over so it is face up. As soon as the card flips over the participant must press“Yes”. The participant is encouraged to work as quickly as they can and be as accurate as possible.
• the Face Name Associative Memory Exam measures associative memory using photos of real-life faces. The participant is presented with a series of facial photos and names, with each face paired with a name. The participant must remember the face-name pair.
• the Go-No Go Test is a measure of response inhibition and uses a well-validated recognition reaction time paradigm with playing card stimuli.
• the playing cards are all either red or black jokers.
• the subject is asked whether the card displayed in the center of the screen is black.
• the subject is to press the Yes key when the joker card is black and to withhold a response (i.e., not respond) when it is red.
• the Groton Maze Learning Test measures executive function using a maze learning paradigm.
• a 10 x 10 grid of tiles is presented to the participant on the screen.
• a 28-step pathway is hidden among these tiles.
• a blue tile indicates the start and a tile with red circles indicates the finish.
• the participant must move one step at a time from the start toward the end by touching a tile next to their current location. If the correct move is made a green checkmark appears and if the move is incorrect a red cross is revealed. Once completed, they are returned to the start location to repeat the test and must try to remember the pathway they have just completed.
• the Identification test measures attention using a choice reaction time paradigm.
• the on-screen instructions ask:“Is the card red?”.
• a playing card is presented face down in the center of the screen. The card flips over so it is face up. As soon as it flips over the participant must decide whether the card is red or not. If it is red the participant should press“Yes”, and if it is not red the participant should press“No”. The participant is encouraged to work as quickly as they can and be as accurate as possible.
• the International Shopping List Test measures verbal learning using a word list learning paradigm.
• the participant is read a shopping list and must remember and recall as many items from the list as possible.
• the One Back test measures working memory using an n-back paradigm.
• the on- screen instructions ask:“Is the previous card the same?”.
• a playing card is presented face up in the center of the screen.
• the participant must decide whether the card is the same as the previous card. If the card is the same the participant should press“Yes”, and if it is not the same the participant should press“No”. The participant is encouraged to work as quickly as they can and be as accurate as possible.
• the One Card Learning test measures visual memory using a pattern separation paradigm.
• the on-screen instructions ask:“Have you seen this card before in this test?”.
• a playing card is presented face up in the center of the screen and the participant must decide whether they have seen the card before in this test. The participant is encouraged to work as quickly as they can and be as accurate as possible.
• the Set-Shifting test uses a set shifting paradigm to measure executive function.
• the on-screen instructions ask:“Is this a target card?”.
• a playing card is presented face up in the center of the screen with the word“Number” or“Color” above it. If the word is“Color” the participant must guess whether the target card is black or red. If the word is“Number” the participant must guess whether the current number displayed on the card is correct.
• the participant simply needs to guess whether the current card is the target card. If they think the card is the target card, the participant should press“Yes”. If they think the card is not the target card, they must press“No”.
• the participant As the participant makes their guesses, feedback is provided and the next card is not displayed until a correct response has been made.
• the hidden rule changes (e.g., from one color to the other color [intra-dimensional shift], or from color to number [extra-dimensional shift]).
• the participant is not told when these set-shifts occur, and they must learn the new target rule to proceed through the test.
• the participant is encouraged to work as quickly as they can and be as accurate as possible.
• the Social-Emotional Cognition Test measures emotional recognition using an odd- man out paradigm.
• the on-screen instructions ask:“Tap the odd one out”.
• Four pictures are presented on the screen. One of these pictures will be different to the others and the participant must decide which picture is different and tap that picture. The participant is encouraged to work as quickly as they can and be as accurate as possible.
• the on- screen instructions ask:“Is the card the same as that shown two cards ago?”. A playing card is presented face up in the center of the screen. The participant must decide whether the card is the same as the card shown two cards previously. If the card is the same the participant should press“Yes”, and if it is not the same the participant should press“No”. The participant is encouraged to work as quickly as they can and be as accurate as possible.
• Compound 1 a battery of tests may be used to assess cognition, such as the battery presented in Table 7.
• Table 7 Details of the computerized cognitive tests in the Cogstate battery.
• Subjects may be assessed with a battery of Cogstate tests before administration of Compound 1, during the administration of Compound 1, and after the administration of Compound 1.
• BDNF neurotrophic factor
• proBDNF neurotrophic factor

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