pharmaceutical compositions containing polymers buffered orthoester.
1997
The present invention relates to a pharmaceutical composition for the controlled release of therapeutic agents FROM ORTHO ESTER carboxylic acid polymers. The composition comprises a pharmaceutically acceptable salt of an acid, which together with the acid R 1 -COOH OF CO MPOSICION Orto ESTER POLYMER (I) is released and forms a buffer system in a range of physiologically acceptable pH.
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