Soy supplement may boost heart health in women with kidney disease
NCT ID NCT06128278
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a single dose of equol, a compound made from soy, can improve blood vessel function in postmenopausal women with and without chronic kidney disease (CKD). Researchers will measure changes in artery health over a few hours after taking equol. The goal is to find a simple way to lower heart disease risk in women with CKD, who are often overlooked in research.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 38 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2023
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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50 to 69 years
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Postmenopausal (50-69 y) women 2. Women with CKD including stage 3-4 (eGFR 15-59 ml/min/1.73m2) determined by the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) 2021 equation 3. Women without CKD (eGFR \>60 ml/min/1.73m2) must be healthy (free from hypertension, kidney disease, CVD, diabetes, and other chronic disease as assessed by self-report, medical history, and screening labs). Exclusion Criteria: 1. Use of HRT or has used HRT for \<6 months prior to enrollment 2. Advanced CKD requiring dialysis 3. History of kidney transplant 4. Use of immunosuppressant medications (unless taking a stable dosage for a quiescent disease) 5. Current tobacco or nicotine use or history of use in the last 12 months 6. Antioxidant and/or omega-3 fatty acid use within the 2 weeks prior to testing 7. Marijuana use within 2 weeks prior to testing 8. Consumption of soy and soy-based products 3 days prior to testing 9. Uncontrolled hypertension in CKD group (BP\>140/90 mmHg) 10. Atrial fibrillation 11. Active infection or antibiotic therapy 12. Hospitalization in the last month
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Colorado Anschutz Medical Campus
RECRUITINGAurora, Colorado, 80045, United States
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