Extended release promethazine HCl using acrylic polymers by freeze-drying and spray-drying techniques: formulation considerations
The present study investigated a novel extended release system of promethazine hydrochloride (PHC) with acrylic polymers Eudragit RL100 and Eudragit S100 in different weight ratios (1:1 and 1: 5), and in combination (0.5+1.5), using freeze-drying and spray-drying techniques. Solid dispersions were c...
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| Main Authors: | , , , |
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| Format: | Book |
| Published: |
Universidade de São Paulo,
2009-12-01T00:00:00Z.
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| Online Access: | Connect to this object online. |
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