Comparing the Efficacy of Reverse Hybrid Therapy and Concomitant Therapy

Comparing the Efficacy and Impact on Gastrointestinal Microbiota of Reverse Hybrid Therapy and Concomitant Therapy in Helicobacter Pylori Eradication

Reverse hybrid therapy achieves a higher eradication rate than concomitant therapy remains unanswered.

A 14-day hybrid therapy invented by our study group appears very promising in H. pylori eradication, achieving excellent eradication rates of 99% and 97% according to per-protocol and intention-to-treat analyses, respectively. Recently, the investigators demonstrated that the eradication rate of reverse hybrid therapy was higher than that of standard triple therapy. However, whether reverse hybrid therapy achieves a higher eradication rate than concomitant therapy remains unanswered.

Inclusion Criteria:

• Consecutive H pylori-infected outpatients, at least 20 years of age, with endoscopically proven peptic ulcer diseases or gastritis

Exclusion Criteria:

• previous H pylori-eradication therapy
• ingestion of antibiotics or bismuth within the prior 4 weeks
• patients with allergic history to the medications used
• patients with previous gastric surgery
• the coexistence of serious concomitant illness (for example, decompensated liver cirrhosis, uremia)
• pregnant women