CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 24 enrolled / 24 target
Drug / intervention
Quercetin +1 moreother
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT00065676
NCT00065676Phase 2CompletedUpdate Overdue (0.1/mo)Completion was 126mo ago

Inhibition of Intestinal Glucose Absorption by the Bioflavonoid Quercetin in the Obese and in Obese Type 2 Diabetics

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)·interventional·Posted Jul 31, 2003·Updated Jun 18, 2026

In Brief

A Phase 2 clinical trial evaluating Quercetin and Placebo for Obesity and Diabetes. Completed, enrolled 24 participants across 1 site.

Signals

Enrollment appears stalled

Detailed Summary

Quercetin is a compound naturally found in various foods. It may have some role in the treatment of obesity and diabetes. The purpose of this study is to investigate research volunteers with obesity or obesity with type 2 diabetes to determine whether quercetin affects the way glucose is absorbed by the body. Thirty two participants aged 19 to 65 who are considered to be medically obese or obese with type 2 diabetes will be enrolled in this study. Before the onset of treatment, they will undergo a medical history, physical exam, blood work, and urinalysis. During the study, participants will be given an oral glucose tolerance test three times; during these tests they will receive 1 or 2 grams of quercetin, or placebo. Researchers will collect blood samples and analyze the effect of the treatment on blood glucose.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsObesity, Diabetes
CountriesUnited States
Collaborators--

Timeline

Phase 2CompletedFinished
2003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
First PostedJul 31, 2003
Enrollment StartApr 30, 2010
Primary CompletionDec 21, 2015
Study CompletionAug 6, 2021
TodayJul 2, 2026
Enrollment to primary: 5.6 yearsPosted 22.9 years ago

Arms & Interventions

1 gram quercetinexperimental

1 gram quercetin with 6 hour OGTT

Other: Quercetin
2 grams quercetinexperimental

2 gram quercetin with 6 hour OGTT

Other: Quercetin
placeboexperimental

placebo with 6 hour OGTT

Other: Placebo

Interventions

Quercetinother

1 or 2 grams of quercetin or placebo will be given while patients undergo 6-hour OGTT

Placeboother