CliffBio
small molecule

FENTANYL

FENTANYL CITRATE

Loss of exclusivity—loss of exclusivity
CompanyCephalon →See this company's full patent-cliff portfolio

Drug detail

Brand nameFENTANYL
Active ingredientFENTANYL CITRATE
StrengthEQ 0.4MG BASE
Dosage formTROCHE/LOZENGE
RouteORAL
ModalitySmall molecule
FDA approvalOctober 1993
Marketing statusDISCN

More from Cephalon

Source: FDA Orange Book, layered on the CliffBio company graph. Cliff dates are the loss of exclusivity; estimates are projections, not legal advice.