The aim of this paper is to present a systematic overview of the efficacy of the proton pump inhibitors (PPI), omeprazole and the newer lansoprazole, in the healing and maintenance of erosive or worse (grade II to IV) esophagitis. At the time of the 1996 gastroesophageal reflux disease (GERD) consensus meeting, a third PPI, pantoprazole,… Read more »