There is provided a felbinac-containing patch that stably produces a sufficient anti-inflammatory, analgesic effect by felbinac exhibiting a strong anti-inflammatory, analgesic action without bringing harmful effects such as skin irritation over a long period and, at the same time, that is excellent in the stability of preparations as well as in their adhesive properties, the felbinac-containing patch comprising 10-30 wt% of a styrene-isoprene-styrene block copolymer, 5-15 wt% of polyisobutylene, 5-30 wt% of a rosin-based resin, 30-70 wt% of a plasticizer, 1-5 wt% of felbinac, and 0.01-5 wt% of a dispersing agent,
wherein the drug release rate of the patch at one hour after the start of the water-release test using a rotating cylinder described in the release test method as prescribed in United State Pharmacopoeia is 20±15 wt%, the drug release rate of the patch at three hours after the start of test is 40±15 wt%, and the drug release rate of the patch at six hours after the start of test is 60±20 wt%.
本发明提供了一种含有非比
萘酸的贴片,该贴片通过非比
萘酸表现出强烈的消炎镇痛作用,可长期稳定地产生足够的消炎镇痛效果,且不会带来有害影响,如皮肤刺激、含有非比
萘酸的贴片由 10-30 wt%的
苯乙烯-
异戊二烯-
苯乙烯嵌段共聚物、5-15 wt%的聚
异丁烯、5-30 wt%的
松香基
树脂、30-70 wt%的
增塑剂、1-5 wt%的非比
萘酸和 0.01-5 wt% 的分散剂、
其中,使用《美国药典》规定的释放试验方法中所述的旋转圆筒进行释放
水试验,试验开始后一小时,贴片的药物释放率为20±15 wt%,试验开始后三小时,贴片的药物释放率为40±15 wt%,试验开始后六小时,贴片的药物释放率为60±20 wt%。