US20040116532A1 - Pharmaceutical formulations of modafinil - Google Patents

Pharmaceutical formulations of modafinil Download PDF

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Publication number
US20040116532A1
US20040116532A1 US10/660,058 US66005803A US2004116532A1 US 20040116532 A1 US20040116532 A1 US 20040116532A1 US 66005803 A US66005803 A US 66005803A US 2004116532 A1 US2004116532 A1 US 2004116532A1
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Prior art keywords
modafinil
unit dose
composition
dose
consisting essentially
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US10/660,058
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English (en)
Inventor
Craig Heacock
Alpa Parikh
Piyush Patel
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Cephalon LLC
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Individual
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Application filed by Individual filed Critical Individual
Priority to US10/660,058 priority Critical patent/US20040116532A1/en
Priority to JP2004536184A priority patent/JP5039246B2/ja
Priority to AU2003267156A priority patent/AU2003267156B2/en
Priority to PT03749630T priority patent/PT1539126E/pt
Priority to ES03749630T priority patent/ES2392580T3/es
Priority to EP03749630A priority patent/EP1539126B1/en
Priority to PCT/US2003/028651 priority patent/WO2004024134A1/en
Priority to CA2498260A priority patent/CA2498260C/en
Priority to NZ538941A priority patent/NZ538941A/en
Priority to CNB03821749XA priority patent/CN100528151C/zh
Priority to DK03749630.4T priority patent/DK1539126T3/da
Priority to KR1020057004198A priority patent/KR101125462B1/ko
Priority to EA200500488A priority patent/EA012964B1/ru
Priority to MXPA05002827A priority patent/MXPA05002827A/es
Priority to PL03375833A priority patent/PL375833A1/xx
Priority to CN2009101522991A priority patent/CN101606916B/zh
Priority to BR0314514-0A priority patent/BR0314514A/pt
Priority to SI200332193T priority patent/SI1539126T1/sl
Priority to TW092125314A priority patent/TWI335217B/zh
Assigned to CEPHALON, INC. reassignment CEPHALON, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HEACOCK, CRAIG, PATEL, PIYUSH, PARIKH, ALPA
Publication of US20040116532A1 publication Critical patent/US20040116532A1/en
Priority to IL167054A priority patent/IL167054A/en
Priority to IS7714A priority patent/IS2871B/is
Priority to NO20051079A priority patent/NO333614B1/no
Priority to HK05108798.2A priority patent/HK1076734A1/xx
Priority to US12/150,056 priority patent/US8268892B2/en
Priority to US13/590,865 priority patent/US8686047B2/en
Priority to US13/590,912 priority patent/US8859621B2/en
Priority to CY20121101157T priority patent/CY1113662T1/el
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2013—Organic compounds, e.g. phospholipids, fats
    • A61K9/2018—Sugars, or sugar alcohols, e.g. lactose, mannitol; Derivatives thereof, e.g. polysorbates
    • 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
    • A61K31/16—Amides, e.g. hydroxamic acids
    • A61K31/165—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide
    • 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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/2027—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • 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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
    • A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
    • 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
    • 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
    • A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
    • 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
    • A61P25/26—Psychostimulants, e.g. nicotine, cocaine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis

Definitions

  • the present invention is related to compositions of modafinil and methods of treating neurologically related conditions with the administration of modafinil.
  • the present invention also relates to compositions that include modafinil and one or more excipients such as diluents, disintegrants, binders and lubricants.
  • Modafinil, C 15 H 15 NO 2 S also known as 2-(benzhydrylsulfinyl) acetamide, or 2-[(diphenylmethyl) sulfinyl] acetamide
  • 2-(benzhydrylsulfinyl) acetamide is a synthetic acetamide derivative with wake-promoting activity, the structure of which has been described in French Patent No. 78 05 510 and in U.S. Pat. No. 4,177,290 ('290), and which has been approved by the United States Food and Drug Administration for use in the treatment of excessive daytime sleepiness associated with narcolepsy.
  • Modafinil has been tested for treatment of several behavioral conditions in combination with various agents including apomorphine, amphetamine, reserpine, oxotremorine, hypnotics, yohimbine, 5-hydroxytryptophan, and monoamine oxidase inhibitors, as described in the cited patents.
  • a method of preparation of a racemic mixture is described in the '290 patent and a method of preparation of a levorotatory isomer is described in U.S. Pat. No. 4,927,855 (both incorporated herein by reference).
  • the levorotatory isomer is reported to be useful for treatment of hypersomnia, depression, Alzheimer's disease and to have activity towards the symptoms of dementia and loss of memory, especially in the elderly.
  • Modafinil has also been found to have application in the treatment of fatigue, and in particular the treatment of fatigue associated with multiple sclerosis, as well as sleepiness, Parkinson's disease, cerebral ischemia, stroke, sleep apneas, eating disorders, attention deficit hyperactivity disorder (described further below), for stimulation of appetite or weight gain, for promotion of wakefulness, or for improvement of cognitive dysfunction.
  • modafinil The primary pharmacological activity of modafinil is to promote wakefulness. Modafinil promotes wakefulness in rats (Touret et al., 1995; Edgar and Seidel, 1997), cats (Lin et al., 1992), canines (Shelton et al, 1995) and non-human primates (Hernant et al, 1991) as well as in models mimicking clinical situations, such as sleep apnea (English bulldog sleep disordered breathing model) (Panckeri et al, 1996) and narcolepsy (narcoleptic canine) (Shelton et al, 1995).
  • sleep apnea English bulldog sleep disordered breathing model
  • narcolepsy narcoleptic canine
  • Modafinil has also been described as an agent with activity in the central nervous system, and as a useful agent in the treatment of Parkinson's disease (U.S. Pat. No. 5,180,745); in the protection of cerebral tissue from ischemia (U.S. Pat. No. 5,391,576); in the treatment of urinary and fecal incontinence (U.S. Pat. No. 5,401,776); and in the treatment of sleep apneas and disorders of central origin (U.S. Pat. No. 5,612,379).
  • U.S. Pat. No. 5,618,845 describes modafinil preparations of a defined particle size less than about 200 microns.
  • modafinil may be used in the treatment of eating disorders, or to promote weight gain or stimulate appetite in humans or animals (U.S. Provisional Patent Application No. 60/150,071, incorporated herein by reference), or in the treatment of attention deficit hyperactivity disorder (ADHD) as described in U.S. Pat. No. 6,346,548, or fatigue, especially fatigue associated with multiple sclerosis (U.S. Provisional Patent Application No. 60/149,612, incorporated herein by reference).
  • ADHD is a chronic neuropsychiatric disorder in children that is characterized by developmentally inappropriate hyperactivity, impulsivity, and inattention. ADHD is estimated to affect 3%-5% of school-age children.
  • the core ADHD symptoms in adults include a frequent and persistent pattern of inattention/distractibility and/or hyperactivity-impulsivity.
  • the most common symptoms exhibited in ADHD adults are marked inattention, poor concentration, easy distractibility, day dreaming, forgetfulness, and a frequent shift in activities.
  • ADHD adults also report marked impulsivity, intrusiveness, low frustration/stress tolerance, temper tantrums, irritability, and extreme impatience.
  • Less commonly reported symptoms in adults include hyperactivity, which may be confined to fidgeting, or an inward feeling of jitteriness or restlessness.
  • adults with ADHD often exhibit associated clinical characteristics such as boredom, social inappropriateness, and chronic conflicts in social situations.
  • Modafinil was known in the art in the form of a therapeutic package, marketed under the name Provigil®.
  • Provigil® is a pharmaceutical product sold by Cephalon, Inc. of West Chester, Pa.
  • Provigil® is supplied as tablets containing 100 mg or 200 mg modafinil, with several excipients, including magnesium silicate and talc.
  • modafinil-containing therapeutic packages are labeled for use in treating excessive daytime sleepiness associated with narcolepsy.
  • the present invention is directed to a pharmaceutical composition containing about 250 to about 350 mg of modafinil.
  • the present invention is also directed to a pharmaceutical composition containing about 250 to about 450 mg of modafinil.
  • the present invention is also directed to methods of treating attention deficit hyperactivity disorder and attention deficit disorder by administering between about 250 to about 350 mg of modafinil to a subject.
  • the present invention is also directed to methods of treating attention deficit hyperactivity disorder and attention deficit disorder by administering between about 250 to about 450 mg of modafinil to a subject.
  • the present invention is also directed to a unit dose of modafinil having a reduced overall unit dose size and/or volume while simultaneously having a higher percentage, by weight, of modafinil.
  • the unit dose can be free of magnesium silicate or talc, and can contain about 250 to about 350 mg of modafinil, wherein about 70-90% of the total weight of the unit dose is modafinil.
  • the present invention is also directed to a unit dose of modafinil having a reduced overall unit dose size and/or volume while simultaneously having a higher percentage, by weight, of modafinil.
  • the unit dose can be free of magnesium silicate or talc, and can contain about 250 to about 450 mg of modafinil, wherein about 70-90% of the total weight of the unit dose is modafinil.
  • FIG. 1 represents a human blood plasma concentration curve of modafinil after an initial dose of 100 mg of modafinil followed 4 hours later by a 200 mg dose of modafinil.
  • FIG. 2 represents a human blood plasma concentration curve of modafinil after an initial dose of 200 mg of modafinil followed 4 hours later by a 100 mg dose of modafinil.
  • FIG. 3 represents a human blood plasma concentration curve of modafinil after a single dose of 300 mg of modafinil.
  • FIG. 4 represents a human blood plasma concentration curve of modafinil after a single dose of 100 mg of modafinil.
  • FIG. 5 represents a graph depicting the results of a clinical study showing the efficacy of 340 mg and 425 mg doses of modafinil in ADHD patients.
  • “about” refers to a range of values ⁇ 10% of a specified value. For example, “about 20” includes ⁇ 10% of 20, or from 18 to 22, inclusive.
  • modafinil refers to modafinil, its racemic mixtures, individual isomers (for example, the (-) isomer or the “R” isomer of modafinil), acid addition salts, such as a metabolic acid of modafinil, benzhydrylsulfinylacetic acids, and its sulfone forms, hydroxylated forms, polymorphic forms, analogs, derivatives, cogeners and prodrugs thereof.
  • Prodrugs are known in the art as compounds that are converted to the active agent (modafinil) in the body of a subject.
  • the term “pharmaceutically acceptable” refers to those compounds, materials, compositions, and/or unit doses which are, within the scope of sound medical judgment, suitable for administration to human beings, e.g., without unacceptable toxicity, irritation, allergic response, or other problems or complications commensurate with a reasonable benefit/risk ratio.
  • a “pharmaceutical composition”, as used herein, means a medicament for use in treating a mammal, e.g., a human, that comprises modafinil.
  • a pharmaceutical composition according to the invention may also, but does not of necessity, include one or more non-toxic pharmaceutically acceptable carrier.
  • terapéuticaally effective amount refers to an amount that is effective in reducing, eliminating, treating, preventing or controlling the symptoms of herein-described diseases and conditions.
  • a “method of treating” is a method of reducing, eliminating, treating, preventing or controlling the symptoms of herein-described diseases and conditions. It is understood that the effect of pharmacological agents will vary among a large population of subjects.
  • “pharmaceutical unit dose,” “unit dose” or “unit dose form” means a single dose which is capable of being administered to a subject, and which can be readily handled and packaged, remaining as a physically and chemically stable unit dose comprising either modafinil, or a pharmaceutically acceptable composition comprising modafinil.
  • compositions consisting essentially of” a specified amount of a pharmaceutically active agent means that there is no additional amount of that agent.
  • the presence of additional other pharmaceutically active agents is also not precluded.
  • a composition of the present invention includes a pharmaceutical composition of modafinil.
  • the pharmaceutical composition can further include at least one pharmaceutical unit dose (hereafter “unit dose”) of modafinil, typically in a solid unit dose form, such as a tablet or capsule.
  • unit dose a pharmaceutical unit dose of modafinil
  • a composition of the present invention can include between about 250 to about 350 mg of modafinil or between about 250 to about 450 mg of modafinil.
  • a composition can include between about 275 to about 325 mg of modafinil or about 325 to about 425 mg of modafinil.
  • a composition can include about 255 mg of modafinil, about 300 mg of modafinil, about 340 mg of modafinil or about 425 mg of modafinil.
  • a composition of the invention can include about 250, 255, 260, 265, 270, 275, 280, 285, 290, 295, 300, 305, 310, 315, 320, 325, 330, 335, 340, 345, or 350 mg of modafinil, or about 355, 360, 365, 370, 375, 380, 385, 390, 395, 400, 405, 410, 415, 420, 425, 430, 435, 440, 445, or 450 mg of modafinil.
  • a unit dose can include about 255, 300, 340 or 425 mg of modafinil.
  • a unit dose can include 355, 300, 340 or 425 mg of modafinil.
  • a composition of the invention consists essentially of about 250 to about 350 mg of modafinil or about 250 to about 450 mg of modafinil.
  • a pharmaceutical composition of the invention consists essentially of about 275 to 325 mg of modafinil or about 325 to about 425 mg of modafinil.
  • a composition of the invention consists essentially of about 255 mg of modafinil, about 300 mg of modafinil, about 340 mg of modafinil or about 425 mg of modafinil, i.e., it does not contain more or less modafinil, but can contain other ingredients, e.g., excipients or other active agents.
  • a composition of the invention consists essentially of about 250, 255, 260, 265, 270, 275, 280, 285, 290, 295, 300, 305, 310, 315, 320, 325, 330, 335, 340, 345 or 350 mg of modafinil, or about 355, 360, 365, 370, 375, 380, 385, 390, 395, 400, 405, 410, 415, 420, 425, 430, 435, 440, 445, or 450 mg of modafinil.
  • a unit dose consists essentially of about 255, 300, 340 or 425 mg of modafinil.
  • a unit dose consists essentially of 255, 300, 340 or 425 mg of modafinil.
  • a pharmaceutical composition of the invention can also be a liquid, softgel, suspension, emulsion, microemulsion, complex, as well as a solid solution form which can be dispensed in a manner that delivers a requisite amount of modafinil as set forth herein.
  • a pharmaceutical composition of the present invention can also be a modified release form such as, but not limited to, a bi-modal or extended release form.
  • modafinil Conventional administrations of modafinil included discrete effective amounts of modafinil, typically either single 100 mg or 200 mg unit doses.
  • modafinil was administered as a 100 mg dose followed 4-6 hours later by a 200 mg dose, or alternatively, a 200 mg dose followed 4-6 hours later by a 100 mg dose.
  • Such dosing regimens are referred to as a “split dose,” and are particularly effective for treating ADHD and were considered necessary to prevent blood levels of modafinil from obtaining undesirable levels.
  • a single unit dose containing between about 250 to about 350 mg or between about 250 to about 450 mg, or between about 275 to about 325 mg or between about 325 to about 425 or about 255, 300, 340 or 425 mg of modafinil can be as effective as a 200 mg dose followed by a 100 mg dose or 200 mg dose, or a 100 mg dose followed by a 200 mg dose when the two doses are administered according to the split dose regimen described above, without the previously predicted incidence of undesirable side effects.
  • compositions of modafinil of the present invention provide significantly improved attention and significantly improved ADHD symptoms.
  • the improvement in attention and ADHD symptoms was substantially the same as, and continued for a duration of time comparable to, both a) 100 mg of modafinil followed 4-6 hours later by 200 mg of modafinil, and b) 200 mg of modafinil followed 4-6 hours later by 100 mg of modafinil.
  • a single dose of the present invention unexpectedly achieves improved attention and ADHD symptoms to a degree comparable to the double dosing regimen described hereinabove.
  • FIGS. 1 and 2 show blood plasma concentrations of modafinil when a 100 mg dose is administered before (FIG. 1) or after (FIG. 2) a 200 mg dose is administered according to the regimen described above and in the brief description of FIGS. 1 and 2 above.
  • FIGS. 1 and 2 also show that after blood levels of modafinil begin to decrease, the second dose of modafinil increases modafinil blood levels to a concentration that can be greater than the maximum blood levels achieved from the first dose.
  • FIG. 3 provides the blood plasma concentration of modafinil after the administration of a single dose according to the present invention, namely 300 mg of modafinil.
  • FIG. 3 shows that the blood level of modafinil also begins to decrease after about 2 hours post administration of the dose. From FIG. 3, it was also surprisingly found that the improved attention and improved ADHD symptoms resulted from blood concentrations of modafinil which were about 20-30% less than predicted, based upon an extrapolation of 100 mg unit dose data, and thus the predicted incidence of undesirable side effects can be avoided. Furthermore, it was concluded that the blood profile shown in FIG. 3 provides a desirable blood profile of modafinil blood concentration for the treatment of certain neurological conditions that are treatable by modafinil and described herein, such as ADHD. Accordingly, the present invention also includes a unit dose such that the oral administration of the unit dose to a human results in a blood profile of modafinil substantially as shown in FIG. 3.
  • compositions and unit doses of the present invention can be beneficial to subjects in need of modafinil relative to conventional unit doses containing 100 mg and 200 mg of modafinil.
  • the present invention can increase the amount of time between required dosings of a subject and/or decrease the total number of doses of modafinil which may be required by a subject over a given period of time (e.g., in a 24 hour period or per day), i.e., a reduced need for split dose regimens.
  • the present invention provides pharmaceutical compositions containing between about 250 and about 350 mg of modafinil or between about 250 and about 450 mg of modafinil as well as compositions containing between about 275 and about 325 mg of modafinil, between about 325 and about 425 mg of modafinil or about 255, 300, 340 or 425 mg of modafinil.
  • a pharmaceutical composition of the present invention can be a unit dose of modafinil, and in a preferred embodiment of the present invention a unit dose of modafinil, in tablet or capsule form including 250 to 350 mg of modafinil, 250 to 450 mg of modafinil, 275 to 325 mg of modafinil, 325 to 425 mg of modafinil, 255 mg of modafinil, 300 mg of modafinil, 340 mg of modafinil or 425 mg of modafinil.
  • a unit dose of the invention can be prepared in a conventional manner, so as to maintain the relative proportions of modafinil and other pharmaceutical composition ingredients (e.g. lubricants and fillers) as compared to conventional 100 mg and 200 mg unit doses of modafinil. These embodiments are typically larger (in size and/or volume) than conventional 100 mg and 200 mg unit doses.
  • Such unit doses of the present invention can also be prepared with or without one or more of magnesium silicate or talc.
  • the proportion of modafinil in the unit dose can be significantly higher than that of conventional 100 mg and 200 mg modafinil unit doses.
  • the increase in weight percent of modafinil, while simultaneously reducing the weight percent of other ingredients, facilitates the manufacture of smaller (in size and/or volume) unit doses while still supplying the same amount of modafinil, i.e., 250 mg to 450 mg, to a subject.
  • Such unit doses of the present invention can also be prepared with or without one or more of magnesium silicate or talc.
  • Typical embodiments include compositions of modafinil with one or more pharmaceutically acceptable excipients including but not limited to diluents, disintegrants, binders and lubricants.
  • the excipients meet the standards of the National Formulary (“NF”) or United States Pharmacopoeia (“USP”).
  • NF National Formulary
  • USP United States Pharmacopoeia
  • a composition consisting of modafinil with one or more diluents, disintegrants, binders and lubricants.
  • the composition comprises modafinil; one or more diluents, each independently chosen from a starch, a lactose monohydrate or a microcrystalline cellulose; one or more disintegrants, each independently chosen from a pregelatinized starch or a cross-linked sodium carboxymethyl cellulose; a binder; and a lubricant.
  • the binder is a polyvinyl pyrrolidone
  • the lubricant is magnesium stearate.
  • a diluent is Fast Flo® #316, a second diluent is Avicel® PH 102; a disintegrant is Starch 1500®, a second disintegrant is Ac-Di-Sol®; and the binder is Povidone K-29/32.
  • the diluent is Lactose Monohydrate, NF; the disintegrant is Croscarmellose Sodium, NF or Ac-Di-Sol®; and the binder is Povidone K90 D, USP.
  • the unit dose can be free of one or more of microcrystalline cellulose and pregelatinized starch.
  • the lactose monohydrate is Fast Flo® #316; the microcrystalline cellulose is Avicel® PH 102; the pregelatinized starch is Starch 1500®, the cross-linked sodium carboxymethyl cellulose is Ac-Di-Sol® and the polyvinyl pyrrolidone is Povidone K-29/32.
  • modafinil is a substantial proportion of the composition by weight.
  • Fast Flo® #316 can be about 28.7%
  • the Avicel® PH 102 can be about 10.4%
  • the Starch 1500® can be about 10.9%
  • the Ac-Di-Sol® can be about 4.0%
  • the Povidone K-29/32 can be about 5.2%
  • the magnesium stearate can be about 0.8%.
  • the total amount of modafinil present in the unit dose can be from about 45% to about 90% of the total unit dose weight.
  • the total amount of modafinil present in the unit dose can be about 60% to 80%, 85% to 90%, preferably 70% to 90%, 70% to 75%, most preferably 70% to 80% of the total unit dose weight.
  • modafinil comprises from about 80-90% of the composition by weight.
  • the composition can further include a diluent, such as a lactose monohydrate, preferably from about 3-15% of the composition by weight; a disintegrant, such as a cross-linked sodium carboxymethyl cellulose, preferably from about 2-10% of the composition by weight; a binder such as a polyvinyl pyrrolidone, preferably from about 2-10% of the composition by weight; and a lubricant such as magnesium stearate, preferably from about 0.2-2.0% of the composition by weight.
  • a diluent such as a lactose monohydrate, preferably from about 3-15% of the composition by weight
  • a disintegrant such as a cross-linked sodium carboxymethyl cellulose, preferably from about 2-10% of the composition by weight
  • a binder such as a polyvinyl pyrrolidone, preferably from about 2-10% of the composition by weight
  • the diluent is Lactose Monohydrate, NF
  • the disintegrant is Croscarmellose Sodium
  • the binder is Povidone K90D, USP
  • the lubricant is Magnesium Stearate, NF.
  • modafinil is about 70% composition by weight.
  • Lactose Monohydrate, NF is about 20%
  • the Povidone, USP is about 5.2%
  • the Magnesium Stearate, NF is about 0.8%.
  • modafinil is about 75% composition by weight.
  • the Lactose Monohydrate, NF is about 15%
  • the Croscarmellose Sodium, NF is about 4%
  • the Povidone, USP is about 5.2%
  • the Magnesium Stearate, NF is about 0.8%.
  • modafinil is included in a composition of the present invention at about 80% of the composition by weight, the Lactose Monohydrate, NF is about 10%, the Croscarmellose Sodium, NF is about 4%, the Povidone K90 D, USP is about 5.2%, and the Magnesium Stearate, NF is about 0.8%. In a further embodiment, the Magnesium Stearate, NF is about 1%.
  • the composition of the present invention includes modafinil at about 90% of the composition by weight, the Lactose Monohydrate, NF is about 3.5%, the Croscarmellose Sodium, NF is about 3%, the Povidone K90 D, USP is about 3%, and the Magnesium Stearate, NF is about 1%.
  • the tablet can include 300 mg of a modafinil in a 375 mg tablet (about 80% of the total tablet weight is attributed to modafinil). In other embodiments, the tablet can include 300 mg of modafinil in a 336 mg tablet (about 90% of the tablet weight is attributed modafinil). Similar calculations can be made for tablets containing between about 250 and 450 mg of modafinil.
  • a capsule can contain 300 mg of a modafinil in a 375 mg capsule.
  • a capsule can also contain 300 mg of modafinil in a 336 mg capsule. Similar calculations can be made for capsules containing between about 250 and 450 mg of modafinil.
  • Both the larger and smaller (higher weight percent of modafinil) size unit doses of the present invention which include about 250 to 450 mg of modafinil, can exhibit the advantages over conventional unit doses as described above, such as enhanced treatment of ADHD and a reduction in the total number of doses of modafinil required per day by a subject, thereby enhancing patient compliance.
  • the unit doses containing a higher percentage, by weight, of modafinil also can exhibit additional advantages, as described below.
  • patient compliance can increase because a unit dose of the present invention can be easier to swallow by subjects, in particular a solid unit dose form such as a tablet. Additionally, some of the unit doses of the present invention can facilitate administration of modafinil to pediatric subjects because the unit doses can contain a higher percentage, by weight, of modafinil and thus can have a smaller overall size and/or volume relative to the conventionally prepared unit doses containing 250 to 450 mg of modafinil.
  • the particle size of modafinil is preferably such that at least about 95% of the particles are less than about 200 ⁇ m in diameter. See, U.S. RE 37,516, the content of which is hereby incorporated by reference as though fully set forth herein.
  • the modafinil can also be formulated in liquid forms and administered in multiple ways, e.g., by spoon, mixed with foods or drinks, capsules, etc.
  • Liquid unit doses of modafinil are described in U.S. RE 37,516, and other alternative dosage forms are described in U.S. Patent Pub. Nos.: 02-0099097 and 02-0098240 and PCT Publication No. 02/056915, the contents of which are hereby incorporated by reference as though fully set forth herein.
  • a group of 248 children (average age: 9 years, average weight: 35.5 kilograms) were studied to determine the effect of modafinil on ADHD.
  • the results of the study also indicated that modafinil was safe and generally well tolerated, however, studies have also revealed that 400 mg of modafinil has a higher adverse event profile than the other doses.
  • the 24 children enrolled in this study were predominately male (17M:7F) and predominately white (13W:9B:2Other).
  • the average age (9.0 yrs), weight (32.9 kg) and height (133.7 cm) were similar to those seen in previous ADHD trials in children.
  • the children ⁇ 30 and ⁇ 30 kg were approximately equaled divided.
  • the average Attention Deficit Hyperactivity Disorder Rating Scale (ADHD-RS) total score at baseline was 46.3.

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US10/660,058 US20040116532A1 (en) 2002-09-13 2003-09-11 Pharmaceutical formulations of modafinil
EA200500488A EA012964B1 (ru) 2002-09-13 2003-09-12 Фармацевтические составы модафинила
PL03375833A PL375833A1 (en) 2002-09-13 2003-09-12 Pharmaceutical formulations of modafinil
BR0314514-0A BR0314514A (pt) 2002-09-13 2003-09-12 Formulações farmacêuticas de modafinil
CN2009101522991A CN101606916B (zh) 2002-09-13 2003-09-12 莫达非尼片剂及其应用
ES03749630T ES2392580T3 (es) 2002-09-13 2003-09-12 Comprimidos que contienen entre 250 y 450 mg de modafinilo
AU2003267156A AU2003267156B2 (en) 2002-09-13 2003-09-12 Pharmaceutical formulations of modafinil
PCT/US2003/028651 WO2004024134A1 (en) 2002-09-13 2003-09-12 Pharmaceutical formulations of modafinil
CA2498260A CA2498260C (en) 2002-09-13 2003-09-12 Pharmaceutical formulations of modafinil
NZ538941A NZ538941A (en) 2002-09-13 2003-09-12 Pharmaceutical formulations of modafinil in solid dosage forms
CNB03821749XA CN100528151C (zh) 2002-09-13 2003-09-12 莫达非尼药物剂型
DK03749630.4T DK1539126T3 (da) 2002-09-13 2003-09-12 Tabletter indeholdende 250 til 450 mg modafinil
KR1020057004198A KR101125462B1 (ko) 2002-09-13 2003-09-12 모다피닐의 제약 제제
SI200332193T SI1539126T1 (sl) 2002-09-13 2003-09-12 Tablete ki vsebujejo do mg modafinila
MXPA05002827A MXPA05002827A (es) 2002-09-13 2003-09-12 Formulaciones farmaceuticas de modafinil.
JP2004536184A JP5039246B2 (ja) 2002-09-13 2003-09-12 モダフィニルの医薬製剤
PT03749630T PT1539126E (pt) 2002-09-13 2003-09-12 Comprimidos que contêm de 250 a 450 mg de modafinil
EP03749630A EP1539126B1 (en) 2002-09-13 2003-09-12 Tablets containing 250 to 450 mg of modafinil
TW092125314A TWI335217B (en) 2002-09-13 2003-09-15 Pharmaceutical formulations of modafinil
IL167054A IL167054A (en) 2002-09-13 2005-02-22 Pharmaceutical formulations of modafinil and use thereof in the preparation of medicaments for treating adhd
IS7714A IS2871B (is) 2002-09-13 2005-02-24 Töflur sem innihalda 250 til 450 mg af módafíníli
NO20051079A NO333614B1 (no) 2002-09-13 2005-02-28 Farmasoytiske preparater av modafinil
HK05108798.2A HK1076734A1 (en) 2002-09-13 2005-10-04 Tablets containing 250 to 450 mg of modafinil
US12/150,056 US8268892B2 (en) 2002-09-13 2008-04-24 Pharmaceutical formulations of modafinil
US13/590,865 US8686047B2 (en) 2002-09-13 2012-08-21 Pharmaceutical formulations of modafinil
US13/590,912 US8859621B2 (en) 2002-09-13 2012-08-21 Pharmaceutical formulations of modafinil
CY20121101157T CY1113662T1 (el) 2002-09-13 2012-11-28 Δισκια που περιεχουν 250 εως 450 χλστγρ. μονταφινιλης

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AU2003267156A1 (en) 2004-04-30
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