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Corporate Profile

Phathom Pharmaceuticals is a biopharmaceutical company focused on developing and commercializing novel treatments for gastrointestinal (GI) diseases. We have licensed the exclusive rights in the United States, Europe, and Canada to vonoprazan, a first-in-class potassium-competitive acid blocker (PCAB). The Company has assembled a team of seasoned gastrointestinal and pharmaceutical industry experts with deep expertise in developing GI therapeutics, including anti-secretory agents.

Phathom currently markets VOQUEZNA® (vonoprazan) tablets for the treatment of heartburn associated with Non-Erosive GERD in adults, the healing and maintenance of healing of Erosive GERD in adults and associated heartburn in adults, in addition to VOQUEZNA® TRIPLE PAK® (vonoprazan tablets, amoxicillin capsules, clarithromycin tablets) and VOQUEZNA® DUAL PAK® (vonoprazan tablets, amoxicillin capsules) for the treatment of H. pylori infection in adults. In addition, the company is also advancing its development program across multiple acid-related GI disorders, including As Needed dosing for Non-Erosive GERD (NERD) and Eosinophilic Esophagitis (EoE).

For full prescribing and safety information, please visit VOQUEZNA.com

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News Releases

October 8, 2026

Three scientific presentations will highlight new analyses of VOQUEZNA ® (vonoprazan) in GERD, including real-world patient characteristics, efficacy across BMI subgroups, and cost-effectiveness in Erosive Esophagitis FLORHAM PARK, N.J., Oct. 08, 2026 (GLOBE NEWSWIRE) -- Phathom Pharmaceuticals,...

September 29, 2026

Initiation of registrational Phase 3 study of VOQUEZNA® (vonoprazan) for as-needed (PRN) use in Non-Erosive Reflux Disease (NERD) builds on previously reported positive Phase 2 data Topline results expected in the first quarter of 2028 pHalcon-NERD-302, if successful, is intended to support a...

September 1, 2026

FLORHAM PARK, N.J., Sept. 01, 2026 (GLOBE NEWSWIRE) -- Phathom Pharmaceuticals, Inc. (Nasdaq: PHAT), a biopharmaceutical company focused on commercializing and developing novel treatments for gastrointestinal (GI) diseases, announced today that members of its management team are scheduled to...