Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Effect of a vegetarian diet on immunity in heart attack patients and healthy volunteers

Official title: Effect of a Vegetarian Diet on Innate Immunity in Patients With Myocardial Infarction and in Healthy Volunteers (FRESH-MI Study)

Run by Radboud University Medical Center · NCT06209723 · Data updated 2026-11-12

This study is testing whether a vegetarian diet can improve immunity in people who have had a heart attack and their healthy partners.

More Myocardial Infarction trials

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment120 (estimated)
SponsorRadboud University Medical Center
Academic / other
Drugs / interventionschemotherapy
Locations1 site (Nijmegen)
StatusRecruiting
StartedJanuary 26, 2024
Main results expectedSeptember 1, 2027
Study endsSeptember 1, 2027
Registry record updatedAugust 14, 2026
Trial IDNCT06209723 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals who have experienced an acute myocardial infarction within the past week and have a body mass index between 18.5 and 35.

Probably not a fit

Patients with a history of diabetes, previous myocardial infarction, or those on immunomodulatory drugs may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to evaluate how a vegetarian diet influences innate immunity in patients who have recently experienced a myocardial infarction and their healthy partners. Participants will be randomly assigned to either a vegetarian diet or their usual diet for five weeks, followed by a six-week stabilization period. Blood samples will be collected at various time points to analyze inflammatory markers, and participants will complete questionnaires to assess dietary adherence and willingness to maintain a vegetarian lifestyle. The study employs a prospective randomized open label blinded endpoint (PROBE) design to ensure robust results.

Why it matters

Potential benefit: If successful, this study could provide insights into dietary interventions that enhance immune function and recovery in heart attack patients.

How similar studies have gone: While dietary interventions have been explored in various contexts, this specific approach focusing on vegetarian diets in myocardial infarction patients is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria for patients:

* Acute myocardial infarction (STEMI/NSTEMI) with a clear culprit lesion on angiography and successful primary percutaneous coronary intervention (PCI) \<1 week before randomisation
* Body mass index between 18.5 and 35 kg/m2
* Written informed consent

Inclusion Criteria for healthy volunteers (life partners / souses)

* Body mass index between 18.5 and 35 kg/m2
* Written informed consent

Exclusion Criteria for patients and healthy volunteers:

* Already on a vegetarian or vegan diet
* Previous myocardial infarction
* Diabetes Mellitus
* Medical history of any disease associated with immune deficiency (either congenital or acquired, including chemotherapy, chronic steroid use, organ transplant)
* Use of immunomodulatory drugs
* Vaccination less than one month before start of intervention
* Clinically significant infections within 1 months prior to start of intervention (defined as fever \>38.5 degrees Celsius)
* Active malignant haematological disease
* Known eating disorder (e.g., Anorexia nervosa, Bulimia nervosa)

Exclusion Criteria for healthy volunteers

\- Use of lipid lowering therapy

Where it's running

  • Radboudumc
    Nijmegen, Netherlands
    Recruiting

Study contacts

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.