Method for producing powder formulation comprising an insulin
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United States of America Patent
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Mar 28, 2000
Grant Date -
N/A
app pub date -
Mar 20, 1998
filing date -
Mar 20, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a process for producing a therapeutic powder formulation, comprising (a) providing an acidic aqueous solution comprising an insulin or analoguc or derivative thereof and an enhancer; (b) adjusting the pH to a pH in the range of 4.5 to 7.4; (c) precipitating a product comprising the insulin or analogue or derivative thereof and the enhancer, wherein the precipitation is performed essentially without evaporation of the solution; and (d) removing the water.
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