对于已有国家标准的药品，可只检测系统适用性试验。
As for national standard drugs, system suitability shall be tested only.
已有国家标准药品的申请，是指生产已经由国家药品监督管理局颁布的正式标准的药品注册申请。
Application for drugs with existing state standards shall refer to the application for registration of the drugs for which the SDA has promulgated official standards.
申请已有国家标准的药品注册，一般不需要进行临床研究。
Generally, it is not necessary to conduct clinical study for the application for registration of drugs with existing state standards.
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