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Evaluation of the effect of oral resveratrol on prevention of atrial fibrillation after heart valve replacement

Evaluation of the effect of oral resveratrol on prevention of atrial fibrillation after heart valve replacement: a triple-blind, randomized, placebo-controlled trial.

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20251215068339N1
Enrollment
80
Registered
2025-12-27
Start date
2026-04-18
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Condition 1: Heart Valve Replacement. Condition 2: atrial fibrillation. Presence of other heart-valve replacement Atrial fibrillation and flutter

Interventions

Intervention group: Participants in this group receive 1000 mg of oral resveratrol daily (as four 250 mg capsules). The capsules are supplied by a reputable pharmaceutical company (Raha Pharmaceutical

Sponsors

Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
75 Years to 18 Years

Inclusion criteria

Inclusion criteria: Obtaining informed consent from patients Patients who are candidates for valve replacement surgery Age over 18 years and under 70 years Patients are standardized in terms of their use of anti-ischemic medications including ARB/ACEI, beta-blockers, statins, and aspirin.

Exclusion criteria

Exclusion criteria: Stage 4 heart failure according to the New York Heart Association index eGFR AST, ALT Very thin people (2m/kg = 18 BMI (and very obese (2m/kg > 40 BMI) Pregnancy or suspected pregnancy Having a pacemaker (other than an epicardial pacemaker) Having or having a history of AF rhythm at the beginning Increased LA size History of any cardiac surgery in the last 6 months History of taking class III, I antiarrhythmic drugs TSH less than 0.1 Participation in other interventional clinical studies Any history of surgery Previous valve replacement and patients undergoing other surgeries at the same time, including patients with valve replacement and simultaneous CABG or redo patients No consumption of resveratrol-rich beverages and other antioxidant drugs (such as vitamin C and vitamin E, etc.) within 48 hours prior to study entry. Patients with a history of genetic coagulation disorders. Patients with thrombocytopenia (platelets below 150,000). Patients treated with dietary supplements with antiplatelet effects (such as high-dose omega-3 fish oil, garlic, ginkgo biloba, vitamin E). Patients with BLED-HAS greater than 4.

Design outcomes

Primary

MeasureTime frame
Incidence of postoperative atrial fibrillation (POAF). Timepoint: within the first 72 hours after cardiac valve replacement surgery. any episode of atrial fibrillation lasting =30 seconds. Method of measurement: by continuous telemetry monitoring or 12-lead ECG.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactReza zibandeh gorji

Tehran University of Medical Sciences

pharmacy@tums.ac.ir+98 21 6695 4709

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 7, 2026