Can a cherry fruit tame metabolic syndrome?
NCT ID NCT07739602
First seen Jul 31, 2026 · Last updated Sep 04, 2026 · Updated 2 times
Summary
This trial tests whether taking a daily supplement of cornelian cherry fruit for six months can improve markers of heart, blood vessel, eye, and bone health in people with metabolic syndrome. Participants will receive either the cherry supplement or a placebo, and researchers will measure a wide range of health indicators, including blood pressure, cholesterol, blood sugar, and eye blood flow. The goal is to see if this natural fruit could offer a simple way to reduce the risks associated with metabolic syndrome.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Cornelian cherry fruit lyophilizate (Cornus mas L.)
- What this could lead to
- If effective, this natural supplement could offer a simple way to support heart, eye, and bone health in people with metabolic syndrome.
- What could go wrong
- This is a small, early-stage trial, so results may not apply broadly. The supplement may not produce significant benefits, and any effects could be modest.
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
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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55 people
The number who actually took part.
- Started
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Jan 2019
- Finished
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Jun 2026
- 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
-
18 to 70 years
- Sex
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Anyone
- Healthy volunteers
-
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: * Age between 18 and 70 years * Metabolic syndrome defined as central obesity, with a waist circumference of ≥94 cm in men or ≥80 cm in women, and at least two of the following: * Fasting triglyceride concentration ≥1.7 mmol/L * Low high-density lipoprotein cholesterol concentration: \<1.03 mmol/L in men or \<1.29 mmol/L in women * Elevated blood pressure: systolic blood pressure ≥130 mmHg and diastolic blood pressure ≥85 mmHg * Fasting glucose concentration ≥6.5 mmol/L * Best-corrected visual acuity of 20/40 or better * Spherical refractive error between -4.0 and +4.0 diopters * Cylindrical refractive error between -3.0 and +3.0 diopters Exclusion Criteria: * Current smoking * Insulin-dependent diabetes mellitus * Liver disease * Gastrointestinal disease * Cancer * Inflammatory disease * Use of weight-loss medication * Use of anti-inflammatory medication * Pregnancy * Breastfeeding * Alcohol or drug abuse * Requirement to follow a medically prescribed diet other than the diet recommended for metabolic syndrome * Hypotension * Severe circulatory failure * Vascular endothelial abnormalities that could affect blood flow to the optic nerve head * Ocular surgery within 12 months before enrollment * Age-related macular degeneration * Diabetic retinopathy * Retinal vein occlusion * Glaucoma * Other serious acquired or hereditary ocular disease * Neurological disorder that could interfere with ophthalmological examinations
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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.
Contacts and locations
Locations
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Department of Pharmacology, Wroclaw Medical University
Wroclaw, 50-345, Poland
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