Grape compound resveratrol tested in teens with diabetic kidney disease
NCT ID NCT07332819
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether resveratrol, a natural substance found in grapes and peanuts, could improve blood sugar control and kidney health in 60 teenagers with type 1 diabetes and early kidney damage. Participants took resveratrol tablets twice daily for 6 months. The study measured changes in blood sugar levels, cholesterol, and a kidney injury marker. Results may show if this supplement offers a safe, additional way to manage diabetes complications.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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60 people
The number who actually took part.
- Started
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Jul 2024
- Finished
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Aug 2025
- 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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12 to 18 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: * Patients with T1DM. * Patients aged 12-18 years with at least 5 years disease duration. * Active diabetic nephropathy in the form of microalbuminuria (urinary albumin excretion \[UAE\] 30-299 mg/g creatinine). The presence of persistent microalbuminuria was confirmed by finding two or all of three samples abnormal over a 3- to 6-months period prior to study despite angiotensin converting enzyme inhibitors (ACE-Is) (Tabaei et al., 2001; Molitch et al., 2004; Donaghueet al., 2018). * Hemoglobin A1c (HbA1c) ≤9.0%. * Patients on regular visit to clinic. * Patients on regular insulin therapy. Exclusion Criteria: * Patients with history of liver disease or any disorder likely to impair liver functions or elevated liver enzymes (aminotransferases levels higher than twice the upper normal limit). * Patients with renal impairment due to cause other than diabetes. * Patients with hypertension. * Hyper- or hypo-thyroidism. * Hepatitis virus infection (B or C) or any evidence of infection. * Hypoglycaemic unawareness or recurrent severe hypoglycaemic episode in 6 months prior to recruitment. * Recurrent diabetic ketoacidosis (more than 2 episodes in the previous 12 months). * Serious co-morbidities. * Patients were already on anti-hypertensive drugs or any antioxidant therapy such as vitamin supplements. * Taking any vitamins or food supplements one month before study. * Patients who have an allergy to grapes, berries, and peanuts. * Participation in a previous investigational drug study within 3 months preceding screening.
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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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Faculty of Medicine, Ain Shams University
Cairo, Egypt