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Could a soy supplement help your liver? new trial investigates
NCT ID NCT07623044
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This phase 2 trial tests whether daidzein, a natural compound found in soy, can improve liver tissue health in adults with metabolic dysfunction-associated steatotic liver disease (MASLD). 44 participants scheduled for gallbladder surgery will take daidzein capsules or receive standard care for 28 days before surgery. Researchers will then compare liver tissue samples to see if daidzein reduces fat, inflammation, and cell damage.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- daidzein (a natural compound from soy)
- What this could lead to
- If it works, this could point toward a simple, natural supplement to help control liver damage in people with MASLD.
- What could go wrong
- This is a small, early-phase trial with only 44 people, so results may not apply widely. It is also very short-term (28 days), so any benefits might be temporary or not lead to long-term improvement.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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 44 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 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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18 to 70 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adults aged 18 to 70 years. * Male or female participants. * Scheduled to undergo elective laparoscopic cholecystectomy or other benign biliary surgery for benign biliary disease. * Diagnosis of metabolic dysfunction-associated steatotic liver disease based on hepatic steatosis shown by liver biopsy or imaging, including controlled attenuation parameter, ultrasound, or magnetic resonance imaging, together with at least one cardiometabolic risk factor. * Expected preoperative window of at least 28 days before surgery. * Able and willing to provide written informed consent. * Willing to provide blood samples, urine samples, and intraoperative liver tissue samples. * Able and willing to avoid soy-containing foods during the study period, including soybeans, edamame, black soybeans, soy milk, tofu, dried tofu, tofu skin, yuba, tofu pudding, natto, miso, fermented soybeans, tempeh, and other traditional or fermented soy products. Exclusion Criteria: * Viral hepatitis, autoimmune liver disease, drug-induced liver injury, Wilson disease, or other clearly defined chronic liver diseases. * Significant alcohol consumption, defined as more than 140 g per week for women or more than 210 g per week for men. * Liver cirrhosis, decompensated liver disease, or hepatobiliary malignancy. * Use of antibiotics, probiotics, soy isoflavone-containing products, or hormone-like dietary supplements within 4 weeks before enrollment. * Treatment within 3 months before enrollment that may substantially affect body weight or the severity of fatty liver disease. * Known allergy to soy products, daidzein, or isoflavones. * Pregnancy or breastfeeding. * Any condition that, in the opinion of the investigator, makes the participant unsuitable for this study.
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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 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.
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