Clinical trial Recruiting at 1 site Interventional Ages 18 to 85

Olive oil supplementation during cardiac rehab for heart failure with reduced ejection fraction

Official title: Olive Oil Supplementation to Enhance Exercise Tolerance in Cardiac Rehabilitation in Patients With Heart Failure With Reduced Ejection Fraction: The OLEA-HF Study

Run by Old Dominion University · NCT07644806 · Data updated 2026-11-12

This study tests whether adding extra-virgin olive oil during a cardiac rehabilitation program is doable and helpful for people with HFrEF.

More Heart Failure With Reduced Ejection Fraction (HFrEF) trials

Quick facts

Study typeInterventional
Ages18 Years to 85 Years
SexAll
Enrollment40 (estimated)
SponsorOld Dominion University
Academic / other
Locations1 site (Norfolk, Virginia)
StatusRecruiting
StartedJuly 1, 2026
Main results expectedDecember 31, 2027
Study endsMarch 31, 2028
Registry record updatedOctober 16, 2026
Trial IDNCT07644806 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with HFrEF (LVEF ≤ 35%) enrolled in a cardiac rehabilitation program who have not yet started rehab and can comply with study procedures.

Probably not a fit

Patients with terminal illness, end-stage renal disease, unstable fluid status, pregnancy, or high habitual olive oil intake (>4 tablespoons/day) may not benefit or be excluded.

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

What this trial studies

In this interventional study, adults with heart failure and an ejection fraction of 35% or less will receive daily extra-virgin olive oil for 12 weeks while participating in standard cardiac rehabilitation. The goal is to assess feasibility and see if EVOO can improve functional capacity and quality of life. Participants must be referred to and not yet started in the rehabilitation program, with specific exclusions to ensure safety. The study is led by Old Dominion University at the Strelitz Diabetes Center in Norfolk, Virginia, with no listed collaborators.

Why it matters

Potential benefit: If successful, EVOO supplementation could improve exercise capacity and quality of life for patients with HFrEF during rehab.

How similar studies have gone: Previous work suggests dietary fats can influence heart failure outcomes, but this exact EVOO plus rehab approach is novel in this population.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Diagnosed with HFrEF with left ventricular ejection fraction ≤35 %.
* Referred to and enrolled in the standard cardiac rehabilitation program at Sentara Cardiac Rehabilitation Center, but has not yet initiated/started cardiac rehabilitation (i.e., has not attended the first cardiac rehab session).
* Able and willing to comply with study procedures and provide informed consent.

Exclusion Criteria:

* Co-morbidity expected to limit survival (e.g., terminal illness).
* End-stage renal disease.
* Unstable fluid overload.
* Current pregnancy (self-disclose).
* Habitual use of EVOO greater than 4 tablespoons per day.
* Known allergy or sensitivity to olive oil or its components.
* Unwillingness or inability to incorporate EVOO or dietary recommendations.

Where it's running

  • Strelitz Diabetes Center (Williams Hall)
    Norfolk, Virginia, United States
    Recruiting

Study contacts

  • Principal investigator: Salvatore Carbone, PhD, RDN — Macon & Joan Brock Virginia Health Sciences at Old Dominion University
  • Study coordinator: Salvatore Carbone, PhD, RDN
  • Email: scarbone@odu.edu
  • Phone: 757-446-7149

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.