orphan drugs 中文意思是什麼
orphan drugs
解釋
罕見病用藥-
The original act defined orphan drugs as those that could not reasonably be expected to recover their cost of development through sales in the u. s
原先法案對孤兒藥的定義是，合理預期狀況下在美國的銷售量無法彌補其研發費用的藥物。 -
A 1984 amendment clarified matters by stipulating that drugs for conditions with fewer than 200, 000 american sufferers would be presumed to be unprofitable and would therefore automatically qualify for orphan drug designation
1984年的修正法才讓事情變得比較明朗，新增條文規定，用來治療全美患病人數不足20萬的用藥，都可以認定成無利可圖，因此這些藥物也就自動冠上了孤兒藥之名。
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