FDA OKs Petition to Correct Phathom Patent Listing

FDA has approved a Phathom Pharmaceuticals citizen petition that corrects an agency Orange Book listing to recognize the “proper 10 years of new chemical entity exclusivity for Voquezna (vonoprazan) tablets, extending through 5/3/2032.” Phathom says it has in-licensed the exclusive rights to vonoprazan, a first-in-class potassium-competitive acid blocker (PCAB) that is marketed for relieving heartburn associated with non-erosive gastresophegeal reflux disease (GERD) in adults, the healing and maintenance of healing of erosive GERD in adults and relief of associated heartburn. It is also used for treating of H. pylori infection in adults.

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