The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 2025
Filed:
Sep. 29, 2018
Diqi Pharmaceuticals Co., Ltd., Guangdong, CN;
Feng Liu, Guangdong, CN;
Huafeng Luo, Guangdong, CN;
Jingyu He, Guangdong, CN;
Xiaofeng Tan, Guangdong, CN;
Shuting Lai, Guangdong, CN;
DIQI PHARMACEUTICALS CO., LTD., Guangdong, CN;
Abstract
The invention discloses a lenalidomide gastro-retentive sustained-release tablet and a preparation method thereof. The sustained-release tablet comprises 3 wt % to 14 wt % of lenalidomide, 14 wt % to 68 wt % of release enhancer with low bulk density, 23 wt % to 70 wt % of sustained-release material with low bulk density, and the balance of other pharmaceutically acceptable excipients, wherein the bulk density of the release enhancer ranges from 0.24 g/cmto 0.52 g/cm; and the bulk density of the sustained-release material ranges from 0.29 g/cmto 0.51 g/cm. The sustained-release tablet of the invention is in a floating state in a gastric environment, is not directly discharged from a stomach due to gastric emptying, has an effect of gastric retention, and is not easily discharged with substances contained in the stomach, and has a high drug bioavailability and small side effects.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile