Effects of bilberry and oat intake on heart health after diabetes or heart attack

Effects of Bilberry and Oat Intake on Plasma Lipid Profile, Inflammation, and Exercise Capacity in Patients With Type 2 Diabetes and/or Myocardial Infarction (BioDiaMI): a Randomized, Double-blind, Placebo-controlled Trial

Not applicable Interventional Region Örebro County · NCT03620266

This study is testing whether adding dried bilberry and oat bran to the diet can help improve heart health in people with type 2 diabetes or those who have had a heart attack.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment900 (estimated)
Ages18 Years and up
SexAll
SponsorRegion Örebro County Academic / other
Locations8 sites (Aarhus and 7 other locations)
Trial IDNCT03620266 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the cardioprotective effects of dietary supplementation with dried bilberry and bioprocessed oat bran in patients with type 2 diabetes and/or those who have experienced a myocardial infarction. It is a double-blind, randomized, placebo-controlled trial designed to assess the individual and combined effects of these dietary interventions on cardiometabolic risk factors. The study aims to provide robust evidence on the potential benefits of these natural products in improving heart health and exercise capacity in affected individuals.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 and older with a confirmed diagnosis of type 2 diabetes and/or within three years post-myocardial infarction.

Not a fit: Patients who have undergone emergency coronary artery bypass grafting or have significant food allergies to bilberries or oats may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to dietary recommendations that significantly improve heart health and metabolic outcomes for patients with type 2 diabetes and a history of myocardial infarction.

How similar studies have performed: While smaller studies have suggested potential benefits of bilberry and oats, this study is novel in its approach to evaluate their combined effects on cardiometabolic health in a larger population.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion criteria

* Confirmed T2DM diagnosis (any treatment modality accepted) and/or within 3 years post STEMI or NSTEMI
* Completed coronary angiography/PCI
* Male and female subjects ≥18 years
* Allocated to atorvastatin at a daily dose of 80 mg (only eligible for patients enrolled up to 7 days post MI and not for T2D subjects)
* Written informed consent

Exclusion criteria

* Emergency coronary artery bypass grafting
* \<18 years of age
* LDL cholesterol \<2.0 mmol/L
* Daily intake or the intent to initiate daily intake of bilberry in any form or daily intake of \>15 g of oatmeal or equivalent
* Food allergy/intolerance to gluten, bilberries or legumes
* Previous randomization in the BioDiaMI trial
* Inability to provide informed consent

Where this trial is running

Aarhus and 7 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 Infarctionacute myocardial infarctiondiet therapyanthocyaninbilberry bushexercise capacitycholesterolbeta glucans
Last reviewed 2026-06-10 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.