CA2461893A1 - Immediate release tablet comprising a powered wax - Google Patents
Immediate release tablet comprising a powered wax Download PDFInfo
- Publication number
- CA2461893A1 CA2461893A1 CA002461893A CA2461893A CA2461893A1 CA 2461893 A1 CA2461893 A1 CA 2461893A1 CA 002461893 A CA002461893 A CA 002461893A CA 2461893 A CA2461893 A CA 2461893A CA 2461893 A1 CA2461893 A1 CA 2461893A1
- Authority
- CA
- Canada
- Prior art keywords
- tablet
- active ingredient
- wax
- group
- immediate release
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- 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
- A61K9/2059—Starch, including chemically or physically modified derivatives; Amylose; Amylopectin; Dextrin
-
- 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
Abstract
An immediate release tablet is provided. The tablet comprises at least 60 weight % of an active ingredient and powdered wax having a melting point greater than about 90 ~C. The tablet may advantageously be produced by direct compression. Although the wax is hydrophobic, the tablet has excellent disintegration.
Claims (20)
1. An immediate release tablet comprising at least 60 weight % of an active ingredient and a powdered wax having an melting point greater than about 90° C, said tablet meeting the USP dissolution specifications for immediate release tablets containing said active ingredient.
2. The tablet of claim 1, wherein the active ingredient is selected from the group consisting of acetaminophen, ibuprofen, calcium carbonate, magnesium hydroxide, magnesium carbonate, magnesium oxide, aluminum hydroxide, mixtures thereof, and pharmaceutically acceptable salts thereof.
3. The tablet of claim 1, wherein the wax is selected from the group consisting of linear hydrocarbons, microcrystalline wax, and mixtures thereof.
4. The tablet of claim 1 prepared by direct compression.
5. The tablet of claim 1 which is substantially free of water-soluble, non-saccharide polymeric binders.
6. The tablet of claim 1, which is substantially free of hydrated polymers.
7. The tablet of claim 1 further comprising at least one outer coating.
8. The tablet of claim 7, wherein the outer coating comprises a material selected from the group consisting of gelatin, isomalt, monosaccharides, disaccharides, polysaccharides such as starch, cellulose derivatives, shellacs, polyhedric alcohols such as xylitol, mannitol, sorbitol, maltitol, erythritol, and polyalkylene glycols.
9. The tablet of claim 1 comprising up to about 20 weight percent wax.
10. The tablet of claim 1 further comprising an excipient selected from the group consisting of disintegrants, flow aids, and optionally lubricants.
11. The tablet of claim 1 further comprising an insert disposed within tablet.
12. The tablet of claim 11, wherein the insert comprises additional active ingredient.
13. The tablet of claim 12, wherein the additional active ingredient has a different release profile from the active ingredient in the tablet.
14. The tablet of claim 12, wherein the amount of additional active ingredient is from about 0.1 to about 30 mg.
15. The tablet of claim 12, wherein the additional active ingredient is selected from the group consisting of loratadine, fexofenadine, cetirizine, chlorpheniramine, brompheniramine, diphenhydramine, pseudoephedrine, cyproheptadine, montelukast, loperamide, famotidine, dexamethasone, hydrocortisone, cyclobenzaprine, alendronate, hydrochlorthiazide, rofecoxib, indomethacin, ketoprofen, meloxicam, piroxicam, lovastatin, atorvastatin, pravastatin, simvastatin, finasteride, and pharmaceutically acceptable salts, esters, and mixtures thereof.
16. The tablet of claim 1, wherein the particle size of the wax is in the range of about 5 to about 100 microns.
17. An immediate release tablet comprising at least 60 weight percent of an active ingredient and a powdered wax selected from the group consisting of shellac wax, paraffin-type waxes, polyethylene glycol, and mixtures thereof; wherein said tablet is prepared by direct compression.
18. An immediate release tablet comprising at least 60 weight percent of an active ingredient and a powdered wax selected from the group consisting of shellac wax, paraffin-type waxes, polyethylene glycol, and mixtures thereof; wherein said tablet is substantially free of water-soluble, non-saccharide polymeric binders.
19. An immediate release tablet comprising at least 60 weight percent of an active ingredient and a powdered wax selected from the group consisting of shellac wax, paraffin-type waxes, polyethylene glycol, and mixtures thereof; wherein said tablet is substantially free of hydrated polymers.
20. The tablet of claim 17, wherein said active ingredient is in its native crystalline form.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/966,493 US7323192B2 (en) | 2001-09-28 | 2001-09-28 | Immediate release tablet |
US09/966,493 | 2001-09-28 | ||
PCT/US2002/030613 WO2003028703A2 (en) | 2001-09-28 | 2002-09-26 | Immediate release tablet |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2461893A1 true CA2461893A1 (en) | 2003-04-10 |
CA2461893C CA2461893C (en) | 2010-07-06 |
Family
ID=25511492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2461893A Expired - Fee Related CA2461893C (en) | 2001-09-28 | 2002-09-26 | Immediate release tablet comprising a powered wax |
Country Status (6)
Country | Link |
---|---|
US (2) | US7323192B2 (en) |
EP (1) | EP1429809A2 (en) |
AU (1) | AU2002327068A1 (en) |
CA (1) | CA2461893C (en) |
MX (1) | MXPA04002890A (en) |
WO (1) | WO2003028703A2 (en) |
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DE19834180A1 (en) | 1998-07-29 | 2000-02-03 | Benckiser Nv | Composition for use in a dishwasher |
US6200590B1 (en) | 1998-08-10 | 2001-03-13 | Naphcare, Inc. | Controlled, phased-release suppository and its method of production |
US6270790B1 (en) * | 1998-08-18 | 2001-08-07 | Mxneil-Ppc, Inc. | Soft, convex shaped chewable tablets having reduced friability |
DE19840256A1 (en) | 1998-09-03 | 2000-03-09 | Basf Ag | Widely applicable, continuous method for preparing coated solid dosage forms, comprises extruding mixture of drug and thermoplastic binder then applying coating composition in liquid or vapor form |
US5997905A (en) | 1998-09-04 | 1999-12-07 | Mcneil-Ppc | Preparation of pharmaceutically active particles |
US6174547B1 (en) | 1999-07-14 | 2001-01-16 | Alza Corporation | Dosage form comprising liquid formulation |
US6165512A (en) * | 1998-10-30 | 2000-12-26 | Fuisz Technologies Ltd. | Dosage forms containing taste masked active agents |
ES2175863T3 (en) * | 1999-02-10 | 2002-11-16 | Suwelack Skin & Health Care Ag | LIOFILIZED PRODUCT CONTAINING BETA-1,3-GLUCANO FROM EUGLENA, ITS PREPARATION AND USE. |
US6248760B1 (en) | 1999-04-14 | 2001-06-19 | Paul C Wilhelmsen | Tablet giving rapid release of nicotine for transmucosal administration |
GB9921933D0 (en) * | 1999-09-17 | 1999-11-17 | Univ Gent | Solid shaped articles comprising biologically active substances and a method for their production |
JP2001122769A (en) * | 1999-10-22 | 2001-05-08 | Lion Corp | Solid preparation and method for improving disintegration/dissolution of solid preparation |
DE19963569B4 (en) | 1999-12-29 | 2006-11-16 | Reckitt Benckiser N.V. | Composition for use in a dishwasher |
US20020028240A1 (en) | 2000-04-17 | 2002-03-07 | Toyohiro Sawada | Timed-release compression-coated solid composition for oral administration |
US7323192B2 (en) * | 2001-09-28 | 2008-01-29 | Mcneil-Ppc, Inc. | Immediate release tablet |
CN1688291A (en) * | 2002-02-01 | 2005-10-26 | 辉瑞产品公司 | Immediate release dosage forms containing solid drug dispersions |
-
2001
- 2001-09-28 US US09/966,493 patent/US7323192B2/en not_active Expired - Lifetime
-
2002
- 2002-09-26 WO PCT/US2002/030613 patent/WO2003028703A2/en not_active Application Discontinuation
- 2002-09-26 EP EP02761834A patent/EP1429809A2/en not_active Withdrawn
- 2002-09-26 CA CA2461893A patent/CA2461893C/en not_active Expired - Fee Related
- 2002-09-26 AU AU2002327068A patent/AU2002327068A1/en not_active Abandoned
- 2002-09-26 MX MXPA04002890A patent/MXPA04002890A/en active IP Right Grant
-
2007
- 2007-10-22 US US11/876,388 patent/US20080095845A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2003028703A3 (en) | 2003-07-10 |
MXPA04002890A (en) | 2005-06-20 |
US20030068373A1 (en) | 2003-04-10 |
CA2461893C (en) | 2010-07-06 |
WO2003028703A2 (en) | 2003-04-10 |
US7323192B2 (en) | 2008-01-29 |
AU2002327068A1 (en) | 2003-04-14 |
US20080095845A1 (en) | 2008-04-24 |
EP1429809A2 (en) | 2004-06-23 |
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EEER | Examination request | ||
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