药品审批部门批准这个药物只能在其他现有的治疗措施无效之后使用。
The agency approved its use for patients only after other available treatments fail to help.
FDA认为这些产品属于新药，因此必须经过FDA的药品审批（才可销售）。
The FDA considers these products new drugs and thus they must undergo the FDA's drug approval process.
ezetimibe数据资料的不足暴露了药品审批制度的一个方面，即使是精明的病人可能都弄不明白。
The lack of data about ezetimibe highlights an aspect of the drug approval system that even sophisticated patients may not understand.
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