Effects of oat bran on heart disease patients' cholesterol and gut bacteria

Effect of Oat Bran Supplementation on Plasma Lipid, Selected Fecal Bacteria, and Short-chain Fatty Acids Receptors Gene Expression in Peripheral Blood Mononuclear Cells in Patients With Coronary Artery Disease

Not applicable Interventional Shahid Beheshti University of Medical Sciences · NCT06747234

This study is testing if eating oat bran can help lower cholesterol and improve gut bacteria in people with heart disease who have just had a procedure to open their arteries.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment32 (estimated)
Ages40 Years to 75 Years
SexAll
SponsorShahid Beheshti University of Medical Sciences Academic / other
Drugs / interventionschemotherapy
Locations2 sites (Tehran and 1 other locations)
Trial IDNCT06747234 on ClinicalTrials.gov

What this trial studies

This study investigates the impact of oat bran on plasma lipid levels and fecal bacteria in patients with coronary artery disease (CAD) who have recently undergone coronary angioplasty. It focuses on the relationship between endotoxemia, low-grade inflammation, and atherosclerosis, aiming to understand how dietary fiber may mitigate these effects. Participants will be divided into an oat bran group and a control group receiving standard treatment to assess changes in their lipid profiles and gut microbiota. The study seeks to provide insights into dietary interventions that could improve cardiovascular health.

Who should consider this trial

Good fit: Ideal candidates are patients with a history of coronary heart disease who have recently undergone coronary angioplasty.

Not a fit: Patients with end-stage renal disease, inflammatory bowel syndrome, or those undergoing recent glucocorticoid or antibiotic treatment may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to dietary recommendations that help reduce inflammation and improve heart health in CAD patients.

How similar studies have performed: While the specific approach of using oat bran in this context may be novel, dietary fiber's role in improving cardiovascular health has been supported by other studies.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with a history of coronary heart disease who have recently undergone coronary angioplasty

Exclusion Criteria:

* End-stage renal disease
* Inflammatory bowel syndrome (IBD),
* Recent glucocorticoid or antibiotic treatment,
* Cancer undergoing chemotherapy or radiotherapy,
* Any alteration to the treatment plan, including changes in drug type or surgical intervention

Where this trial is running

Tehran and 1 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 Coronary Arterial Disease
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.