A medicinal drug which is effective in the treatment of some disease(s), but which is not manufactured or marketed because the demand is insufficient to cover the costs of supply.
Tragically, her disease is so rare that the only effective medicine is an orphan drug.
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(US, legal) A drug as defined under the Orphan Drug Act (1983).
Tragically, her disease is so rare that the only effective medicine is an orphan drug.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.