Gastroprotective Efficacy of Rebamipide in Patients With Atrial Fibrillation Treated With DOACs
REGATA
Open Randomised Controlled parallEl Groups Study of Gastroprotective Efficacy of Rebamipide in Patients With Atrial Fibrillation and Moderate-to-high Risk of Thromboembolic Events, Who Are Treated With Direct Oral Anticoagulants (REGATA)
1 other identifier
interventional
210
1 country
1
Brief Summary
The goal of this clinical trial is to learn if Rebamipide effective in gastroprotection in patients with atrial fibrillation who are treated with Direct Oral Anticoagulants (DOACs). Another point is to compare efficacy of Rebamipide and of its combination with Pantoprazole with efficacy of Pantoprazole only. Participants will: Take one of three variants of treatments for up to 24 weeks. Visits to the clinic wil take place for screening and then every 8 weeks.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Jan 2022
Typical duration for phase_4
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 11, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 20, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
September 20, 2024
CompletedFirst Submitted
Initial submission to the registry
June 11, 2025
CompletedFirst Posted
Study publicly available on registry
January 21, 2026
CompletedJanuary 21, 2026
May 1, 2025
2.7 years
June 11, 2025
January 14, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Composite endpoint
Composite endpoint including the occurrence of any of the following events: * gastrointestinal bleeding; * symptomatic gastric or duodenal ulcer or at least 5 gastroduodenal erosions; * obstruction of the upper gastrointestinal tract; * perforation of the upper gastrointestinal tract; * severe dyspepsia (6-7 points according to the GOS questionnaire)
up to 24 weeks
Study Arms (3)
Group Rebamipide
EXPERIMENTAL100 mg 3 times per day
Group Pantoprazole
ACTIVE COMPARATORpantoprazol 40 mg Daily
Group combination of Rebamipide and Pantoprazole
EXPERIMENTALRebamipide 100 mg plus pantoprazol 40 mg
Interventions
Rebamipide 100 mg three times per day
Eligibility Criteria
You may qualify if:
- Men and women from 18 till 80 years old
- Patients with atrial fibrillation (AF) and a moderate or high risk of thromboembolic complications (\>=1 point in men and \>=2 points in women according to the CHA2DS2VASc scale), receiving DOAC (rivaroxaban, apixaban or dabigatran) for the prevention of thromboembolic complications
- The following indications for the use of rebamipide and/or pantoprazole:
- Chronic gastritis with high acidity in combination with gastroesophageal reflux disease
- Peptic ulcer if negative test for H. pylori
- Сhronic erosive gastritis
- Need for
You may not qualify if:
- Refusal to participate in the study
- Participation in any other clinical trial or taking study drugs within 3 months before enrollment;
- Contraindications to study procedures
- Participation in the study is unsafe according to the investigator opinion.
- Admission of prohibited medication
- Pregnancy and lactation, as well as the inability to use reliable contraception in women of childbearing age
- Peptic ulcer in the acute stage
- Acute erosion on screening visit
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Russian Research and Clinical Center for Gerontology
Moscow, 129226, Russia
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Olga Tkacheva
Pirogov Russian National Research Medical University
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 11, 2025
First Posted
January 21, 2026
Study Start
January 11, 2022
Primary Completion
September 20, 2024
Study Completion
September 20, 2024
Last Updated
January 21, 2026
Record last verified: 2025-05