It is well known that calcium channel blockers(CCBs) are the first line of therapy for vasospastic angina(VSA). Here, we report two cases of VSA with an increase in the frequency of angina attacks after switching from...It is well known that calcium channel blockers(CCBs) are the first line of therapy for vasospastic angina(VSA). Here, we report two cases of VSA with an increase in the frequency of angina attacks after switching from a brand-name to a generic CCB. In both cases, angina recurred upon switching from a brand-name CCB to a generic CCB during follow-up. The patients' condition improved upon switching back to the original CCB. Both cases involved a high severity of VSA, based on the results of spasm provocation testing. These findings suggest that, in some patients with severe VSA, the frequency of angina attacks increases when switching from a brand-name CCB to a generic CCB. Cardiologists should consider this factor when prescribing drugs for angina.展开更多
未来5年内全球有超过70个畅销的专利药陆续到期,这将为通用名药市场带来巨大的商机。橙皮书(Orange Book)是美国FDA为适应《Hatch-Waxman法案》而设立的新药专利链接制度。简要介绍橙皮书制度及相关通用名药的简化新药申请(abbreviated ...未来5年内全球有超过70个畅销的专利药陆续到期,这将为通用名药市场带来巨大的商机。橙皮书(Orange Book)是美国FDA为适应《Hatch-Waxman法案》而设立的新药专利链接制度。简要介绍橙皮书制度及相关通用名药的简化新药申请(abbreviated new drug application,ANDA)制度,并从严格制定认证标准、寻求与品牌药合作"授权仿制药"、突破专利封锁等方面分析橙皮书制度对我国制药企业发展通用名药市场的启示。展开更多
文摘It is well known that calcium channel blockers(CCBs) are the first line of therapy for vasospastic angina(VSA). Here, we report two cases of VSA with an increase in the frequency of angina attacks after switching from a brand-name to a generic CCB. In both cases, angina recurred upon switching from a brand-name CCB to a generic CCB during follow-up. The patients' condition improved upon switching back to the original CCB. Both cases involved a high severity of VSA, based on the results of spasm provocation testing. These findings suggest that, in some patients with severe VSA, the frequency of angina attacks increases when switching from a brand-name CCB to a generic CCB. Cardiologists should consider this factor when prescribing drugs for angina.
文摘未来5年内全球有超过70个畅销的专利药陆续到期,这将为通用名药市场带来巨大的商机。橙皮书(Orange Book)是美国FDA为适应《Hatch-Waxman法案》而设立的新药专利链接制度。简要介绍橙皮书制度及相关通用名药的简化新药申请(abbreviated new drug application,ANDA)制度,并从严格制定认证标准、寻求与品牌药合作"授权仿制药"、突破专利封锁等方面分析橙皮书制度对我国制药企业发展通用名药市场的启示。