Because the development plan for Dexlansoprazole MR was revised, the results of 2 identical studies, T-GD04-082 (this posting, NCT00241745) and T-GD04-083 (NCT00251758), were combined and analyzed as a single larger study referred to as study T-GD04-082. A total of 908 subjects were included in the combined analysis; 416 subjects were enrolled into Study T-GD04-082 and 492 subjects were enrolled into Study T-GD04-083.