volume 271, issue 1-2, P85-94 2004
DOI: 10.1016/j.ijpharm.2003.10.027
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Abstract: Our aim was to prepare an optimum formulation for a sustained-release preparation of insulin using biodegradable polymer composed of co-poly(D,L-lactic/glycolic) acids (PLGA)(L/G ratio: 50/50). Various kinds of PLGA microcapsules containing 3% insulin were administered subcutaneously (250 U/kg) as a single dose to rats with streptozotocin-induced diabetes, and plasma insulin levels were monitored. The following results were obtained. (1) Glycerin and water were suitable additives to prepare a reproducible inje…

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