摘要 |
A bioadhesive composition is provided which may be employed as an oral drug delivery system and includes a freeze-dried polymer mixture formed of the copolymer poly(methyl vinyl ether/maleic anhydride) and gelatin, which is dispersed in an ointment base such as mineral oil containing dispersed polyethylene. Such bioadhesive compositions may be used to deliver oral mucosa active ingredients such as steroids, anti-fungal agents, anti-bacterial agents and the like.
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