AR065539A1 - Composiciones farmaceuticas que comprenden nanoparticulas que comprenden polimeros entericos y caseina - Google Patents

Composiciones farmaceuticas que comprenden nanoparticulas que comprenden polimeros entericos y caseina

Info

Publication number
AR065539A1
AR065539A1 ARP070105319A ARP070105319A AR065539A1 AR 065539 A1 AR065539 A1 AR 065539A1 AR P070105319 A ARP070105319 A AR P070105319A AR P070105319 A ARP070105319 A AR P070105319A AR 065539 A1 AR065539 A1 AR 065539A1
Authority
AR
Argentina
Prior art keywords
nanoparticles
water soluble
low water
soluble drug
enteric polymer
Prior art date
Application number
ARP070105319A
Other languages
English (en)
Inventor
Marshall D Crew
Dwayne Thomas Friesen
Daniel Tod Smithey
Ronald A Beyerinck
Corey J Bloom
Michael M Morgen
Original Assignee
Pfizer Prod Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pfizer Prod Inc filed Critical Pfizer Prod Inc
Publication of AR065539A1 publication Critical patent/AR065539A1/es

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/51Nanocapsules; Nanoparticles
    • A61K9/5107Excipients; Inactive ingredients
    • A61K9/513Organic macromolecular compounds; Dendrimers
    • A61K9/5161Polysaccharides, e.g. alginate, chitosan, cellulose derivatives; Cyclodextrin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/51Nanocapsules; Nanoparticles
    • A61K9/5107Excipients; Inactive ingredients
    • A61K9/513Organic macromolecular compounds; Dendrimers
    • A61K9/5169Proteins, e.g. albumin, gelatin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/51Nanocapsules; Nanoparticles
    • A61K9/5192Processes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00Drugs for disorders of the metabolism
    • A61P3/06Antihyperlipidemics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Nanotechnology (AREA)
  • Epidemiology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Obesity (AREA)
  • Diabetes (AREA)
  • Hematology (AREA)
  • Pain & Pain Management (AREA)
  • Rheumatology (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

Una composicion farmacéutica que comprende nanopartículas que comprenden un fármaco poco soluble en agua y un polímero entérico, y caseína. Reivindicacion 1: Una composicion farmacéutica solida caracterizada porque comprende: (a) nanopartículasque comprenden un fármaco poco soluble en agua y un polímero entérico, en las que (i) dicho fármaco poco soluble en agua tiene una solubilidad en agua de menos que 5 mg/ml en el intervalo de pH de 6,5 a 7,5; (ii) al menos el 90% en peso de dichofármaco en dichas nanopartículas está en una forma no cristalina, (iii) dichas nanopartículas tienen un tamano medio de menos 500 nm; y (iv) una relacion de masas de dicho fármaco poco soluble en agua a dicho polímero entérico es menor que 9:1; y(b) caseína o una de sus formas farmacéuticas aceptables; en la que una relacion de masas de (1) dicha caseína a (2) la masa combinada de dicho fármaco poco soluble en agua y dicho polímero entérico es al menos 1:20. Reivindicacion 8: Lacomposicion segun la reivindicacion 1, caracterizada porque dicha polímero entérico se selecciona del grupo que consiste en succinato de acetato de hidroxipropiImetilcelulosa, ftalato de hidroxipropilmetilcelulosa, carboximetiletilcelulosa, ftalatode acetato de celulosa, succinato de acetato de celulosa, ftalato de acetato de hidroxipropilmetilcelulosa, trimelitato de acetato de celulosa, trimelitato de acetato de hidroxipropilmetilcelulosa, ftalato de acetato de polivinilo, copolímero deacetato de vinilo-anhídrido maleico, poliacrilatos, copolímeros de acrilato de metilo-ácido metacrílico, copolímeros de acrilato de etilo-ácido metacrílico, copolímeros de estireno-ácido maleico, shellac y sus mezclas. Reivindicacion 22: Lacomposicion segun cualquiera de las reivindicaciones 1-19, caracterizada porque dicho fármaco poco soluble en agua es un inhibidor de la ciclooxigenasa-2. Reivindicacion 23: La composicion segun la reivindicacion 22, caracterizada porque dichoinhibidor de la ciclooxigenasa-2 se selecciona del grupo que consiste en celecoxib, valdecoxib; paracoxib; (S)-6,8-dicloro-2-(trifluorometil)-2H-cromeno-3-carboxilato sodico; (S)-7-terc-butil-6-cloro-2-(trifluorometil)-2H-cromeno-3-carboxilatosodico; y formas farmacéuticamente aceptables de las mismas. Reivindicacion 29: Un procedimiento para formar nanopartículas caracterizado porque comprende: (a) formar una disolucion orgánica que comprende un fármaco poco soluble en agua y unpolímero entérico disuelto en un disolvente, en el que (i) dicho fármaco tiene una solubilidad en agua de menos que mg/ml en el intervalo de pH de 6,5 a 7,5; (ii) una relacion de masas de dicho fármaco poco soluble en agua a dicho polímero entéricode menos que 9:1; (b) formar una disolucion acuosa; (c) mezclar dicha disolucion orgánica con dicha disolucion acuosa para formar una primera mezcla; (d ) eliminar dicho disolvente de dicha primera mezcla para formar una suspension que comprendedichas nanopartículas y la disolucion acuosa, en la que (i) dichas nanopartículas tienen un tamano medio de menos que 500 nm, (ii) al menos el 90% en peso de dicho fármaco en dichas nanopartículas es no cristalino, y (e) anadir caseína o una de susformas farmacéuticas o bien a dicha disolucion acuosa de la etapa (b) o a dicha suspension de la etapa (d), en la que una relacion de masas de (1) dicha caseína a (2) la masa combinada de dicho fármaco poco soluble en agua y dicho polímero entéricoes al menos 1:20.
ARP070105319A 2006-11-29 2007-11-29 Composiciones farmaceuticas que comprenden nanoparticulas que comprenden polimeros entericos y caseina AR065539A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86765106P 2006-11-29 2006-11-29

Publications (1)

Publication Number Publication Date
AR065539A1 true AR065539A1 (es) 2009-06-17

Family

ID=39226936

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP070105319A AR065539A1 (es) 2006-11-29 2007-11-29 Composiciones farmaceuticas que comprenden nanoparticulas que comprenden polimeros entericos y caseina

Country Status (4)

Country Link
US (1) US20100062073A1 (es)
JP (1) JP2008163009A (es)
AR (1) AR065539A1 (es)
WO (1) WO2008065502A1 (es)

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US8329208B2 (en) * 2009-07-28 2012-12-11 Methylation Sciences International Srl Pharmacokinetics of S-adenosylmethionine formulations
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