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目的 研制克林霉素与维甲酸凝胶剂的制备工艺与质量评价。方法 用卡波姆 - 940作基质 ,三乙醇胺为中和剂 ,加入克林霉素、维甲酸制成凝胶剂 ;采用紫外双波长法直接测定凝胶剂中克林霉素 ,维甲酸的含量。结果 制备的复方克林霉素、维甲酸凝胶剂 ,细腻、光洁透明、稳定性好、释放药物快 ,且含量测定简单易行。结论 该凝胶剂配方合理 ,符合中国药典2 0 0 0版的规定 ,适宜于痤疮的治疗
Objective To develop a preparation process and quality evaluation of clindamycin and retinoic acid gel. Methods Carbopol - 940 was used as matrix, triethanolamine as neutralizer, clindamycin and retinoic acid were added as gelling agent. Clindamycin and retinoic acid content. Results Compound clindamycin, retinoic acid gel agent, delicate, smooth and transparent, good stability, the release of drugs fast, and the determination of content is simple and easy. Conclusion The gel formula is reasonable, in line with the provisions of the Chinese Pharmacopoeia 2000 edition, suitable for the treatment of acne