Clinical trials: Quercetin
Adenocarcinoma of the Prostate, Recurrent Prostate Cancer
Effect of Quercetin on Green Tea Polyphenol Uptake in Prostate Tissue From Patients With Prostate Cancer Undergoing Surgery
This randomized pilot phase I trial will evaluate if quercetin enhances the uptake of green tea polyphenols in the prostate tissue of men taking green tea extract and undergoing radical prostatectomy.
- Conditions
- Adenocarcinoma of the Prostate, Recurrent Prostate Cancer, Stage I Prostate Cancer, Stage IIA Prostate Cancer
- Trial name
- NCT01912820
- Testing
- green tea extract, quercetin, therapeutic conventional surgery
- Where
- 2 sites in United States
- Volunteers
- 32 people
- Sponsor
- Jonsson Comprehensive Cancer Center
Atrophic Oral Lichen Planus, Erosive Oral Lichen Planus
Therapeutic Effect of Quercetin and the Current Treatment of Erosive and Atrophic Oral Lichen Planus
Lichen planus (LP) is a common chronic inflammatory mucocutaneous disease with an immunologic etiology ,which has number of different clinical forms.
- Trial name
- NCT01375101
- Testing
- Quercetin
- Where
- Iran
- Volunteers
- 30 people
- Sponsor
- Mashhad University of Medical Sciences
Interstitial Lung Diseases, Sarcoidosis
The Occurence of Inflammation and Oxidative Stress in Lung Diseases
Reactive oxygen species (ROS) are suggested to play a pivotal role in ILD. Little is known, however, about the endogenous antioxidant levels in ILD that can offer protection against ROS.
- Conditions
- Interstitial Lung Diseases, Sarcoidosis, Idiopathic Pulmonary Fibrosis, COPD
- Trial name
- NCT00512967
- Where
- Netherlands
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Hyperuricemia
Quercetin as Possible Supportive Therapy for Mild to Moderate Hyperuricemia
Uric acid, a metabolic byproduct of purine degradation in humans, is a known risk factor for conditions such as gout and type 2 diabetes.
- Trial name
- NCT06591767
- Testing
- Quercetin, Berberol K®
- Where
- Italy
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Liaquat University of Medical & Health Sciences
Heat Acclimation and Thermotolerance
Effect of Combined Exercise, Heat, and Quercetin Supplementation on Whole Body Stress Response
The purpose of this study is to determine whether dietary quercetin supplementation effects thermotolerance and heat acclimation in human subjects exposed to exercise/heat stress. Specific Aim I.
- Trial name
- NCT01168739
- Testing
- Quercetin
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Glioma
Medication Combinations of Dasatinib, Quercetin, Fisetin, Temozolomide, LMP744, and Autologous TLPO Vaccine for the Treatment of Previously Treated Glioma With Residual Disease
This early phase I trial tests the safety, side effects and how well medication combinations of dasatinib, quercetin, fisetin, temozolomide, LMP744, and autologous tumor lysate particle only (TLPO) vaccine work in treating…
- Trial name
- Senolytics (NCT07025226)
- Testing
- Biospecimen Collection, Dasatinib, Fisetin
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Mayo Clinic
Oxidative Stress
Absorption Kinetics of Polyphenols in Angel's Plant (Angelica Keiskei)
The absorption kinetics of polyphenols in angel's plant (Angelica keiskei), which is a dark green leafy vegetable rich in antioxidant nutrients, will be determined in older adults in this pilot study.
- Trial name
- NCT00721643
- Testing
- angel's plant (Angelica keiskei)
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Tufts University
Gastroesophageal Reflux Disease, GERD
Can Quercetin Increase Claudin-4 and Improve Esophageal Barrier Function in GERD?
Purpose: 1. Determine if oral quercetin increases the expression of claudin-4 in the lining of the esophagus of patients with a diagnosis of gastroesophageal reflux disease (GERD); and 2.
- Conditions
- Gastroesophageal Reflux Disease, GERD, Acid Reflux, Reflux
- Trial name
- NCT02226484
- Testing
- Quercetin
- Where
- United States
- Volunteers
- 26 people
- Sponsor
- University of North Carolina, Chapel Hill
Aging
Safety and Effectivness of Quercetin & Dasatinib on Epigenetic Aging
Assessing the effects of Quercitin and Dasatinib over a 16 week period on participatns' epigenetic biological aging. The patients are being tested at baseline, halfway point, and after the trial period.
- Trial name
- NCT04946383
- Testing
- Dasatinib plus Quercetin
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- TruDiagnostic
Physiologic Changes, Exercise
Chrysin Exercise Performance Pilot Study
This single-arm pilot study evaluates within-subject changes in aerobic capacity, heart rate responses, cycling power output, and related physiological measures in healthy adults during and after 30 days of supplementation with a…
- Conditions
- Physiologic Changes, Exercise, Physiological Changes (Heart Rate)
- Trial name
- NCT07872111
- Testing
- Chrysin LipoMicel
- Where
- Canada
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Isura
COVID-19
Effect of Quercetin on Prophylaxis and Treatment of COVID-19
Novel Coronavirus is defined to be the cause of COVID-19, recently. It's known that COVID-19 goes with excessive immune reaction of human body in severe cases.
- Trial name
- NCT04377789
- Testing
- Quercetin Prophylaxis, Quercetin Treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 447 people, healthy volunteers welcome
- Sponsor
- Kanuni Sultan Suleyman Training and Research Hospital
Inflammation, Atherosclerosis
Effects of Short-term Curcumin and Multi-polyphenol Supplementation on the Anti-inflammatory Properties of HDL
Polyphenol supplements, including curcumin and resveratrol, are known to decrease inflammation, but previous polyphenol supplements were poorly absorbed and thus their effects were reduced.
- Conditions
- Inflammation, Atherosclerosis, Cardiovascular Disease
- Trial name
- PSI (NCT02998918)
- Testing
- PolyResveratrol Supplementation, Curcumin Supplementation
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of South Carolina
Rhinitis, Allergic, Perennial
The Effect of Apple Fruit Extract (Malus Sylvestris Mill) as an Antioxidant and Anti-Inflammatory on Allergic Rhinitis
This study was conducted to see before and after treatment whether it provided improvement in the patient's clinical symptoms.
- Trial name
- NCT07380178
- Testing
- Quercetin, Apple Extract, Loratadine 10 Mg
- Where
- Indonesia
- Volunteers
- 40 people
- Sponsor
- Universitas Sebelas Maret
Liver Disease Chronic, HEPATITIS C VIRUS CHRONIC INFECTION
Evaluation of the Hepatoprotective Effects of a Nutritional Supplement in Patients With Liver Disease Secondary to Chronic Hepatitis C Virus Infection (RESQUETI Study).
The purpose of this clinical trial is to evaluate whether a nutritional supplement containing resveratrol, quercetin, taurine, inulin, and whey protein improves biochemical and molecular markers, as well as clinical outcomes, in…
- Trial name
- RESQUETI (NCT07487623)
- Testing
- resveratrol, quercetin, taurine, whey protein, and inulin, whey protein
- Where
- 2 sites in Mexico
- Volunteers
- 26 people
- Sponsor
- University of Guadalajara
Healthy, Overweight
Effects of Onion Peel Extract on Endothelial Function
Acute or chronic intake of polyphenol-rich foods has been reported to improve endothelial function. Quercetin, found abundantly in onion, is a potent antioxidant flavonoid.
- Conditions
- Healthy, Overweight, Obese
- Trial name
- NCT02180022
- Testing
- Onion peel extract
- Where
- South Korea
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Kyunghee University Medical Center
Primary Prevention of Prostate Cancer
Prostate Cancer Prevention Trial With Quercetin and Genistein
The aim of the randomized controlled double-blind crossover trial is to evaluate the effectiveness of two dietary supplements containing polyphenolic phytochemicals (isoflavonoid genistein and flavonoid quercetin) in comparison…
- Trial name
- QUERGEN (NCT01538316)
- Testing
- Quercetin supplement, Genistein supplement
- Where
- 2 sites in Germany
- Volunteers
- 60 people
- Sponsor
- University of Hohenheim
Fanconi Anemia
Quercetin in Children With Fanconi Anemia; a Pilot Study
Fanconi anemia (FA) is an autosomal recessive disease characterized by progressive bone marrow failure (BMF), congenital abnormalities and a predisposition to malignancy.
- Trial name
- NCT01720147
- Testing
- Quercetin (dietary supplement)
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Diabetes Mellitus, Type 2
Effects of Quercetin on Blood Sugar and Blood Vessel Function in Type 2 Diabetes.
The purpose of this study is to measure the effect of quercetin on glucose tolerance and postprandial endothelial function in comparison to placebo and Acarbose in participants with Type 2 Diabetes.
- Trial name
- NCT01839344
- Testing
- Quercetin, Acarbose
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- Bastyr University
Chronic Obstructive Pulmonary Disease
Beneficial Effects of Quercetin in Chronic Obstructive Pulmonary Disease (COPD)
Chronic obstructive pulmonary disease (COPD) is a progressive disorder of the lung parenchyma and airways, which is the third-leading cause of death in the USA.
- Trial name
- Quercetin (NCT01708278)
- Testing
- Quercetin
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- University of Michigan
XIAP Deficiency
Quercetin in Patients With XIAP (X-linked Inhibitor of Apoptosis) Deficiency
The purpose of the study is to evaluate safety and tolerability of oral quercetin in reducing inflammation in male patients with XIAP deficiency.
- Trial name
- NCT07433621
- Testing
- Quercetin
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati