Dictionary

orphan drug

noun

Definition of ORPHAN DRUG

:  a drug that is not developed or marketed because its extremely limited use makes it unprofitable

First Known Use of ORPHAN DRUG

1981

orphan drug

noun    (Medical Dictionary)

Medical Definition of ORPHAN DRUG

:  a drug that is not developed or marketed because its extremely limited use (as in the treatment of a rare disease) makes it unprofitable

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