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1. WO2000038655 - DOSAGE FORMS COMPRISING POROUS PARTICLES

Publication Number WO/2000/038655
Publication Date 06.07.2000
International Application No. PCT/GB1999/004426
International Filing Date 23.12.1999
Chapter 2 Demand Filed 06.07.2000
IPC
A61K 9/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
A61K 9/107 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
10Dispersions; Emulsions
107Emulsions
A61K 9/16 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
14Particulate form, e.g. powders
16Agglomerates; Granulates; Microbeadlets
A61K 9/20 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
20Pills, lozenges or tablets
A61K 9/50 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
48Preparations in capsules, e.g. of gelatin, of chocolate
50Microcapsules
CPC
A61K 9/0004
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
0002Galenical forms characterised by the drug release technique; Application systems commanded by energy
0004Osmotic delivery systems; Sustained release driven by osmosis, thermal energy or gas
A61K 9/0065
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
0012Galenical forms characterised by the site of application
0053Mouth and digestive tract, i.e. intraoral and peroral administration
0065Forms with gastric retention, e.g. floating on gastric juice, adhering to gastric mucosa, expanding to prevent passage through the pylorus
A61K 9/1075
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
10Dispersions; Emulsions
107Emulsions ; ; Emulsion preconcentrates; Micelles
1075Microemulsions or submicron emulsions; Preconcentrates or solids thereof; Micelles, e.g. made of phospholipids or block copolymers
A61K 9/1611
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
14Particulate form, e.g. powders, ; Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
16Agglomerates; Granulates; Microbeadlets ; ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
1605Excipients; Inactive ingredients
1611Inorganic compounds
A61K 9/1617
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
14Particulate form, e.g. powders, ; Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
16Agglomerates; Granulates; Microbeadlets ; ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
1605Excipients; Inactive ingredients
1617Organic compounds, e.g. phospholipids, fats
A61K 9/2009
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
20Pills, tablets, ; discs, rods
2004Excipients; Inactive ingredients
2009Inorganic compounds
Applicants
  • ALZA CORPORATION [US/US]; 1900 Charleston Road P.O. Box 7210 Mountain View, CA 94039-7210, US (AE, AL, AM, AT, AU, AZ, BA, BB, BE, BF, BG, BJ, BR, BY, CA, CF, CG, CH, CI, CM, CN, CR, CU, CY, CZ, DE, DK, DM, EE, ES, FI, FR, GA, GB, GD, GE, GH, GM, GN, GR, GW, HR, HU, ID, IE, IL, IN, IS, IT, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MC, MD, MG, MK, ML, MR, MW, MX, NE, NL, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, SN, SZ, TD, TG, TJ, TM, TR, TT, TZ, UA, UG, UZ, VN, YU, ZA, ZW)
  • ALLAN, Jamie [GB/GB]; GB (MN)
  • WONG, Patrick [US/US]; US (UsOnly)
  • EDGREN, David [US/US]; US (UsOnly)
  • DONG, Liang-Chang [CN/US]; US (UsOnly)
  • POLLOCK-DOVE, Crystal [US/US]; US (UsOnly)
Inventors
  • WONG, Patrick; US
  • EDGREN, David; US
  • DONG, Liang-Chang; US
  • POLLOCK-DOVE, Crystal; US
Agents
  • MURGITROYD & COMPANY; 373 Scotland Street Glasgow G5 8QA, GB
Priority Data
60/113,55923.12.1998US
60/113,61523.12.1998US
60/113,75023.12.1998US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DOSAGE FORMS COMPRISING POROUS PARTICLES
(FR) FORMES POSOLOGIQUES COMPRENANT DES PARTICULES POREUSES
Abstract
(EN)
A dosage form comprising a plurality of particles having interior pores and a liquid, active agent formulation in the pores, the particles being compactable and adapted to retain substantially all of the liquid active agent formulation within the pores during the compacting process, is described. The dosage forms may be in the forms of unitary oral forms for immediate release of active agent, prolonged delivery forms, or controlled delivery forms. All forms involve certain absorbent materials having prescribed characteristics, particularly spray dried calcium hydrogen phosphate and magnesium aluminometasilicate.
(FR)
L'invention concerne une forme posologique comprenant plusieurs particules possédant des pores intérieurs, lesquels contiennent une formule d'agent actif liquide, les particules étant compactables et conçues pour conserver sensiblement toute la formule d'agent actif liquide, pendant le processus de compactage. Les formes posologiques peuvent se présenter sous forme de formes orales unitaires à libération immédiate, de formes à libération prolongée ou à libération lente. Dans toutes les formes impliquées, on utilise certains matériaux absorbants présentant des caractéristiques spécifiques, notamment du phosphate d'hydrogène de calcium et de l'aluminométasilicate séchés par atomisation.
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