- A synthetic pharmaceutical which remains commercially undeveloped.More example sentences
- These drugs are called orphan drugs and are allowed to have less premarketing testing.
- One medical gas, nitric oxide, has been licensed as an orphan drug and increased in price.
- In fact Glutathione is an orphan drug for the treatment of AIDS-associated cachexia.
More definitions of orphan drugDefinition of orphan drug in:
- The US English dictionary