| 摘要 |
PCT No. PCT/GB88/00836 Sec. 371 Date Apr. 9, 1990 Sec. 102(e) Date Apr. 9, 1990 PCT Filed Oct. 10, 1988.A drug delivery composition comprising a plurality of microspheres and active drug associated with each microsphere, the drug being for systemic delivery and having a maximum molecular weight of 6000, and the composition being substantially free of an enhancer. The microspheres may be of starch, gelatin or albumin. Suitable drugs include peptides, such as insulin, and antigenic vaccine ingredients. The compositions are suitable for delivery across a mucosal surface such as the vagina, eye or nose.
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