small molecule

OTEZLA XR

APREMILAST

Loss of exclusivityMay 2042latest FDA-listed patent expiry
CompanyAmgenSee this company's full patent-cliff portfolio

Drug detail

Brand nameOTEZLA XR
Active ingredientAPREMILAST
Strength75MG
Dosage formTABLET, EXTENDED RELEASE
RouteORAL
ModalitySmall molecule
FDA approvalAugust 2025
Marketing statusRX

Listed patents

PatentExpiresType
11752129May 2042product
12427136May 2042use U-4291
11969409May 2042product
10092541May 2034use U-2659
7427638February 2028substance, product

Regulatory exclusivity

CodeExpires
PEDJanuary 2027
PEDJanuary 2027
M-299July 2026
ODE*July 2026

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.

OTEZLA XR patent cliff — loss of exclusivity May 2042 | CliffBio