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Could a common supplement help tame type 2 diabetes?

NCT ID NCT04874012

Disease control Sponsor: Hospital de Clinicas de Porto Alegre Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This phase 2 trial tests whether taking taurine, a natural amino acid found in energy drinks and supplements, can improve blood sugar, cholesterol, and inflammation in people with type 2 diabetes. About 94 adults with diabetes will take either taurine powder or a placebo twice daily for 12 weeks. Researchers will measure changes in key health markers like HbA1c and cholesterol to see if taurine offers any benefit beyond standard care.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
taurine
What this could lead to
If it works, this could point toward a simple, low-cost supplement to help manage blood sugar and cholesterol in type 2 diabetes.
What could go wrong
This is a small, early-phase trial with only 94 people. Taurine may not improve diabetes control significantly, and results may not apply to everyone.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 94 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2021

Expected to finish

Dec 2025

An estimate. End dates often move.

Lead sponsor

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

30 to 80 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion criteria * Female and male individuals, with clinical diagnosis of DM2 for at least 6 months; * Age over 30 years; * BMC equal to or above 18.5 kg/m2, without weight change in the last 3 months; * HbA1c between 7.5% and 10.5%. Exclusion criteria * Use of herbal supplements, antioxidants, and multivitamins in the last 3 months; * Pregnancy or lactation; * Chronic renal failure with glomerular filtration rate calculated by MDRD \< 30 mL/h; * Myocardial infarction in the last than 6 months * Current neoplasia; * Chronic use of glucocorticoids; * Bariatric surgery.

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Conditions

The condition(s) this trial relates to.

glucose metabolism disease Inflammation type 2 diabetes mellitus

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Diabetes mellitus type 2

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Hospital de Clínicas

    RECRUITING

    Porto Alegre, Rio Grande do Sul, 90630090, Brazil

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