Gastroesophageal Reflux Clinical Trial
Official title:
A Multicenter, Randomized, Double-blind, Double-dummy, Positive Drug Parallel Controlled Phase II Clinical Trial to Evaluate Efficacy and Safety of Anaprazole Sodium Enteric-coated Tablets in the Treatment of Reflux Esophagitis
A phase 2, randomized, double-blind, double-dummy, positive drug parallel controlled, multicenter trial to evaluate efficacy and safety of within 8 weeks (including 8 weeks) treatment of Anaprazole 40mg QD, 60mg QD compared with Rabeprazole 20mg QD in patients with reflux esophagitis.
This is a multicenter, randomized, double-blind, double-dummy, active drug-parallel-controlled, phase 2 clinical study to evaluate the efficacy and safety of Anaprazole Sodium 40 mg QD and 60 mg QD versus Rabeprazole Sodium 20 mg QD in the treatment of reflux esophagitis in Chinese subjects with reflux esophagitis. The target population for this study was subjects with endoscopically confirmed reflux esophagitis. All potential participants will provide informed consent, and those who provide informed consent will enter the Screening Period (Day -7 to Day -1) and be assessed for screening eligibility according to the inclusion and exclusion criteria. The study is expected to enroll approximately 156 subjects with reflux esophagitis (LA classification grades A-D) who meet enrollment criteria (and none of the exclusion criteria), and eligible subjects will be randomized into 3 groups (Anaprazole Sodium 40 mg QD, 60 mg QD, and Rabeprazole Sodium 20 mg QD) in a 1:1: 1 ratio according to a predefined randomization table, with 52 subjects in each group. All subjects take the corresponding study drug within 30-60 minutes before breakfast for 4 or 8 consecutive weeks (subjects were followed up at Week 4 of treatment, and if the subject'endoscopy indicated that the reflux esophagitis was healed, the healed subject ended study treatment and entered safety follow-up. Subjects who were not cured were to continue treatment until 8 weeks if endoscopy at 4 weeks of treatment indicated that reflux esophagitis was not cured.). All subjects complete treatment at 4 or 8 weeks of treatment and were followed for safety. At the end of the study, statistical analysis will be performed on the efficacy and safety indicators of the study drug to compare the efficacy and safety of Anaprazole sodium and rabeprazole sodium in the treatment of reflux esophagitis. Participants will primarily be assessed for the cure rate of reflux esophagitis based on endoscopy of 3 groups. Participants' safety will be monitored throughout the study. ;
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