small molecule

METAXALONE

METAXALONE

Loss of exclusivityMay 2043latest FDA-listed patent expiry
CompanyPrimus PharmaceuticalsSee this company's full patent-cliff portfolio

Drug detail

Brand nameMETAXALONE
Active ingredientMETAXALONE
Strength640MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**
Dosage formTABLET
RouteORAL
ModalitySmall molecule
FDA approvalJune 2015
Marketing statusRX

Listed patents

PatentExpiresType
12485111May 2043product
11918559July 2039product

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.

METAXALONE patent cliff — loss of exclusivity May 2043 | CliffBio