 FLORHAM PARK, N.J., Oct. 18, 2021 GLOBE NEWSWIRE -- Phathom Pharmaceuticals, Inc. Nasdaq: PHAT, a late clinical-stage biopharmaceutical company focused on developing and commercializing novel treatments for gastrointestinal diseases, today announced that vonoprazan successfully met its primary endpoints and key secondary superiority endpoints in PHALCON-EE, a pivotal phase 3 trial evaluating vonoprazan versus lansoprazole for the treatment of erosive esophagitis. Based on the positive PHALCON-EE data, Phathom plans to submit an NDA to the U.S. Food and Drug Administration seeking the following indications: healing of all grades of EE and relief of heartburn, and maintenance of healing of all grades of EE and relief of heartburn. 