A kind of capecitabine quick-release pellets and preparation method thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHENZHEN NEPTUNUS PHARMA RES INST CO LTD
- Publication Date
- 2015-11-25
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Abstract
Description
technical field
[0001] The invention belongs to the technical field of medicine, and in particular relates to a capecitabine quick-release pellet and a preparation method thereof. Background technique
[0002] Capecitabine (capecitabine) is an oral fluoropyrimidine nucleoside prodrug with targeting effect obtained by chemically modifying the chemical structure of fluorouracil (FU). Its chemical name is: 5'-deoxy-5-fluoro-N-[(pentyloxy)carbonyl]-cytidine (pyrimidine nucleoside), and its structural formula is:
[0003]
[0004] Capecitabine was developed by Roche with the product name "xeloda". It was approved for marketing in the United States in April 1998, and was subsequently listed in Switzerland and other countries. After oral administration, it passes through the gastrointestinal wall intact, and is catalyzed by liver carboxylesterase to 5'-deoxy-5-fluorocytidine (5'-DFCR), and then catalyzed by cytidine deaminase in liver and tumor cells It is converted into 5'-de...