CliffBio
small molecule

SITAVIG

ACYCLOVIR

Loss of exclusivityJune 2030latest FDA-listed patent expiry
CompanyLigand Pharmaceuticals →See this company's full patent-cliff portfolio

Drug detail

Brand nameSITAVIG
Active ingredientACYCLOVIR
Strength50MG
Dosage formTABLET
RouteBUCCAL
ModalitySmall molecule
FDA approvalApril 2013
Marketing statusDISCN

Listed patents

PatentExpiresType
8592434June 2030product
8747896June 2027product
8791127March 2027product

Source: FDA Orange Book, layered on the CliffBio company graph. Cliff dates are the latest FDA-listed patent expiry; estimates are projections, not legal advice.