A kind of glatiramer acetate microsphere and preparation method thereof
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HYBIO PHARMA
- Publication Date
- 2016-07-06
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Abstract
Description
Technical field
[0001] The invention relates to a medicinal microsphere and a preparation method thereof, in particular to a glatiramer acetate microsphere and a preparation method thereof. Background technique
[0002] Glatirameracetate (abbreviated as GA) is an acetate salt of an artificial peptide, which contains a mixture of four randomly polymerized natural amino acids: L-glutamic acid, L-alanine, L-lysine and L-tyrosine. The average molecular weight of glatiramer acetate is 5,000-9,000 daltons.
[0003] Glatiramer acetate (trade name: ) is developed and manufactured by Israel's Teva Pharmaceutical Industries Ltd. (TEVA). It was approved by the U.S. FDA in 1996 for the treatment of multiple sclerosis. Currently There are two products: water for injection and freeze-dried powder for injection, both for subcutaneous injection.
[0004] In Western countries with more people with multiple sclerosis, The efficacy and tolerability have been fully affirmed. In additio...