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Patent AT-E401394-T1: [Translated] IMPROVED DNASE LIQUID SOLUTIONS

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Metadata Last Checked: September 07, 2025 | Last Modified: 2025-09-06
The present invention relates to the use of calcium ion and/or sugars to minimize thermal aggregation of DNase and to the use of calcium ion to stabilize liquid solutions of DNase, the solutions having a pH of less than neutral. DNase is the active pharmaceutical principle and the solutions may contain other pharmaceutically acceptable excipients making them suitable for pharmaceutical administration. In the first instance, calcium ion/sugar minimizes the effects of thermal aggregation in the solution. In the second aspect, calcium ion stabilizes the lower pH solutions from protein precipitation.

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