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Completed Phase 2 Interventional Results available

Prebiotics and Metformin Improve Gut and Hormones in Type 2 Diabetes in Youth (MIGHTY-fiber)

ClinicalTrials.gov ID: NCT04209075

Public ClinicalTrials.gov record NCT04209075. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 1:03 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Prebiotics and Metformin Influences Gut and Hormones in Type 2 Diabetes Youth (MIGHTY)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Background: Metformin is a pill youth with type 2 diabetes take. It can cause side effects like diarrhea and upset stomach. Researchers want to see if a fiber supplement can help decrease these side effects. Objective: To see if a prebiotic fiber supplement helps improve the gastrointestinal side effects of people taking metformin and helps with their blood sugars. Eligibility: People ages 10-25 with type 2 diabetes who are taking or will take metformin Design: Participants will be screened with: Physical exam Medical history Blood and urine tests Meeting with a nutritionist Participants will stop taking all diabetes medication for 1 week. They will then take metformin by mouth for 1 week. They will be randomly assigned to take either a fiber supplement or a placebo by mouth during the same week. They will then stop all study treatments for 2-3 weeks. Then they will restart metformin for 1 week. The groups that received the fiber versus the placebo will be reversed. All participants will then continue taking metformin and take the fiber for 1 month. Participants will have 6 visits over about 2 months. These will include: Blood and urine tests Meal tests: A plastic tube will be inserted in the participant s arm vein for blood draws. They will drink a special meal. Dual-energy x-ray absorptiometry (DXA) scan: Participants will lie on their back while the scan measures their body fat and muscle. While they are home, participants will: Fill out daily surveys online Wear daily activity and blood sugar monitors Collect their stool Eat only certain foods for two 1-week periods...

Study identification

NCT ID
NCT04209075
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Enrollment
6 participants

Conditions and interventions

Conditions

Interventions

Dietary Supplement · Drug

Eligibility (public fields only)

Age range
10 Years to 25 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 9, 2020
Primary completion
Jul 14, 2021
Completion
Jul 14, 2021
Last update posted
Aug 29, 2022

2020 – 2021

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
National Institutes of Health Clinical Center Bethesda Maryland 20892

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04209075, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 29, 2022 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04209075 live on ClinicalTrials.gov.

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