Slow and control release aspirin capsule formulation and method for making same
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- TIANJIN PACIFIC PHARMA
- Publication Date
- 2004-08-25
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to a sustained and controlled release capsule preparation of aspirin, in particular to a sustained and controlled release capsule preparation of aspirin and a preparation method thereof. Background technique
[0002] Aspirin is a drug that has been used for nearly a hundred years. Its main pharmacological effects are antipyretic and anti-inflammatory in large doses, and it has a clear anticoagulant effect at 50-150 g, so it is used as a commonly used drug to prevent various types of thrombosis. But the side effects of aspirin, mainly gastrointestinal irritation, are also significant. It is especially noticeable with high doses or long-term use. There have been many medical reports about gastric ulcer and gastric bleeding caused by heavy use of aspirin. Aspirin enteric-coated tablets have been produced and sold to reduce gastric irritation, but the tablets are greatly affected by the gastric pyloric sphincter. It has been reporte...