Metformin hydrochloride controlled-release tablet
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- XINFA PHARMA
- Publication Date
- 2020-05-08
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention belongs to the field of pharmaceutical preparations, and in particular relates to metformin hydrochloride controlled-release tablets and a preparation method thereof. Background technique
[0002] The chemical name of metformin (1,1-dimethylbiguanide) is commonly used as a drug and its hydrochloride is a white crystal or crystalline powder; it is odorless. Soluble in water, soluble in methanol, slightly soluble in ethanol, insoluble in chloroform, acetonitrile or ether. The brand name of the original metformin drug is "Gehuazhi", which is developed and produced by Bristol-Myers Squibb. Metformin hydrochloride is a biguanide hypoglycemic drug. It is used for type 2 diabetic patients who are not satisfied with simple diet control, especially obese and hyperinsulinemia patients. This drug not only has hypoglycemic effect, but also may reduce weight. and the effects of hyperinsulinemia. It can be effective for some patients with poor curat...