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Comparative study of Potassium Competitive acid blocker (P-CAB) and Classic proton pomp inhibitor in clinical effectiveness for gastro-esophageal reflux symptoms :Randomized Comparative study of venoprazan and esomeprazole

Comparative study of Potassium Competitive acid blocker (P-CAB) and Classic proton pomp inhibitor in clinical effectiveness for gastro-esophageal reflux symptoms :Randomized Comparative study of venoprazan and esomeprazole - Comparative study of venoprazan and esomeprazol in clinical effectiveness for gastro-esophageal reflux symptoms.

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000021753
Enrollment
60
Registered
2016-04-02
Start date
2016-04-02
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients of gastro-esophageal reflux symptoms

Interventions

Vonoprazan 20mg oral once a day in the evning, 4weeks Esomeprazole 20mg oral once a day in the evning, 4 weeks

Sponsors

Hattori clinic
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: i) The patients who have freely provided written informed consent for the participation of this study after the oral or written sufficient explanation. ii) The patients with heartburn and/or acid reflux during 2-3days/week or 4-7days/week in GerdQ.

Exclusion criteria

Exclusion criteria: i) The patients with warning signs such as vomiting, gastrointestinal bleeding and sudden weight loss. ii) The patients with confirmed or suspected malignant diseases. iii) The patients with a history of gastrointestinal resection of vagotomy. iv) The patients with a history of irritable bowel syndrome. v) The patients whose participation in this study would be contraindicated due to complications such as serious heaptic, renal or heart disease. vi) The Pregnant patients or possibly pregnant patients. vii) The patients prohibited the participant of this study by their attending physicians.

Design outcomes

Primary

MeasureTime frame
The clinical improvement of GERD symptoms (heartburn, acid reflux) evaluated using self-assessment interview sheet, GerdQ, 4 weeks after treatment.

Secondary

MeasureTime frame
i) The early efficacy of medication, on 1,3,7 day after treatment. ii) The incidence of side effects.

Countries

Japan

Contacts

Public ContactKouichi Sakurai

Hattori clinic Hattori clinic

sakurai@s3.kcn-tv.ne.jp096-325-2300

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026