Sustained-release preparation capable of releasing a physiologically active substance

   
   

Disclosed is a sustained-release preparation comprising 1) a polymer of lactic acid having a weight-average molecular weight of about 25,000 to about 60,000 and 2) a physiologically active substance, and which releases the physiologically active substance over a period of at least about 5 months; the sustained-release preparation shows an almost continuous zero order release of the physiologically active substance over a period of as long as about 5 months.

Révélée est soutenir-libèrent la préparation la comportement 1) d'un polymère de l'acide lactique ayant un poids moléculaire poids-moyen environ de 25.000 environ à 60.000 et 2) d'une substance physiologiquement active, et qui libère la substance physiologiquement active pendant au moins environ 5 mois ; soutenir-libérez les expositions de préparation un dégagement zéro presque continu d'ordre de la substance physiologiquement active pendant aussi longtemps qu'environ 5 mois.

 
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