[Availability of propylphenazocine from suppositories. 1. In vitro bioavailability]

Comparing examinations of the in-vitro availability of propyphenazone from suppositories of different fat bases (Rosupol U, Witepsol H 15) did not display any differences in the release behaviour. Compared with propyphenazone preparations, aminophenazone suppositories of the same concentration exhibit a significantly increased in-vitro availability.