Fact CheckerSign in

NCT07233460Completed

Effect of Using Bitter Melon, Blueberries and Cranberries on HbA1c and Diabetes Symptom Levels

Effect of Use of Bitter Melon, Blueberry and Cranberry as Complementary Therapy on HbA1c and Diabetes Symptom Level in Individuals With Type 2 Diabetes Mellitus: Single-blind Randomized Controlled Study

Source: ClinicalTrials.gov · Last updated 21 Nov 2025

Brief summary (registry, in English)

This double-blind, randomized controlled trial investigated the effect of bitter melon, blueberry, and cranberry powder extract use on glycemic control and diabetes symptom levels in individuals with T2DM.

Status (registry)
Completed
Study type
Interventional
Enrollment
120 (actual)
First submitted
14 Nov 2025
Start date
6 Feb 2024
Primary completion date
15 Feb 2024
Lead sponsor
Hatice Demirağ, Ph.D
NCT number
NCT07233460

What you commit to

  • Study type: Interventional
  • Participants enrolled: 120
  • From 6 Feb 2024 to the primary completion date, 15 Feb 2024
  • 1 site in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Having previously received complementary therapy for DM, or having hearing loss.

Other illness

  • Not meeting the inclusion criteria, having a known psychological disorder,

Who the study is looking for

  • Being 18 years of age or older,
  • Volunteering to participate in the study,
  • Being conscious and able to communicate,
  • Having been diagnosed with T2DM at least 3 months prior and currently using oral antidiabetic medication,
  • Be using one of the following powder extracts-bitter melon, blueberry, or cranberry-for the first time as a complementary treatment upon a physician's recommendation and be on the first day of use,
  • Not taking any other medications that affect blood sugar,
  • No allergy to bitter melon, blueberry, or cranberry,
  • Not engaging in exercise,
  • Taking 10g of bitter melon, blueberry, or cranberry powder extract daily.

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (1)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Gümüşhane University
Coordinator of this site? Confirm its status
GümüşhaneTurkey (Türkiye)Unknown status

This page is information, not medical advice. Discuss any trial with your doctor.