Effects of moderate alcohol consumption on heart function after a heart attack

Moderate Alcohol Consumption and Heart Function in Patients With a Recent Myocardial Infarction: a Multicentre Randomized Controlled Trial

Not applicable Interventional University Hospital, Geneva · NCT05920629

This study is testing whether drinking a moderate amount of alcohol can help improve heart function in people who have recently had a heart attack.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment220 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity Hospital, Geneva Academic / other
Locations4 sites (Basel, Basel and 3 other locations)
Trial IDNCT05920629 on ClinicalTrials.gov

What this trial studies

This study aims to evaluate the impact of moderate alcohol consumption on heart function in patients who have experienced a recent myocardial infarction. A total of 220 patients will be randomly assigned to either continue moderate alcohol consumption or abstain for three months. The primary endpoint will be assessed through echocardiography to measure changes in left ventricular ejection fraction (LVEF) at baseline and after three months. The study will ensure that data interpretation is conducted by a blinded core laboratory team to maintain objectivity.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older who have been hospitalized for a myocardial infarction within the past year and report moderate alcohol consumption.

Not a fit: Patients with a history of high alcohol consumption, alcohol use disorder, or those who do not consume alcohol may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into whether moderate alcohol consumption can positively influence heart recovery after a myocardial infarction.

How similar studies have performed: While there is ongoing debate regarding alcohol consumption and heart health, this specific approach has not been extensively tested in similar studies, making it a novel investigation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Hospitalization for acute ST-elevation MI (STEMI) or non ST-elevation MI (NSTEMI) within 365 days prior to screening
* Men and women aged ≥18 years who are capable and willing to provide consent
* ECG ischemic changes, such as persistent or dynamic ST-segment deviation
* Evidence of positive high-sensitive troponin
* Confirmation of coronary heart disease aetiology by angiography
* Capacity to complete study visits with strict adherence to the protocol assignment
* Self-reported average alcohol consumption of between 1 and 28 standard units per week in the 12 months prior to the index hospitalization.

Exclusion Criteria:

* High alcohol consumption, defined as an average of \>28 alcoholic standard units/week in the 12 months prior to the index hospitalization
* Alcohol use disorder (AUDIT score \>20 at screening)
* History of alcohol or substance abuse
* Naïve to alcohol consumption
* Light alcohol consumption (\<1 standard units by week)
* Prior severe heart failure (NYHA III-IV)
* Severe LV dysfunction at screening (\<30%)
* History of gastric ulcer or gastro-intestinal bleeding
* Serious chronic liver disease or liver test elevation (\> 3 times upper limit normal range)
* Personal history of any colon or liver cancer
* Any active malignancy (less than 5 years or ongoing treatment)
* Estimated glomerular filtration rate 15 ml/min/1.73m² or end-stage renal disease
* Any medication (investigator's discretion) making study participation impractical or precluding required follow-up
* History of organ transplant
* Participation in another trial testing intervention on similar CV outcomes (investigator's discretion)
* Any medical, geographic, or social factor making study participation impractical or precluding required follow-up.
* Pregnant, breastfeeding or planning to become pregnant within 12 months.

Where this trial is running

Basel, Basel and 3 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Myocardial Infarction
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.