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Can a diabetes drug fix liver energy problems in fatty liver disease?

NCT ID NCT05305287

Disease control Sponsor: The University of Texas Health Science Center at San Antonio 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Aug 18, 2026 · Updated 2 times

Summary

This study looks at whether the diabetes drug pioglitazone can improve how the liver processes energy in people with nonalcoholic fatty liver disease (NAFLD) and type 2 diabetes. Researchers will measure liver mitochondrial function using special tracers before and after 16 weeks of treatment. The study involves 60 adults aged 18-80 with stable blood sugar and moderate to severe liver fat.

What this could mean

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

Active substance
Pioglitazone (Actos), an insulin-sensitizing drug
What this could lead to
If successful, this could show that pioglitazone improves liver energy metabolism, pointing toward better treatments for fatty liver disease.
What could go wrong
This is a small, early-phase study (60 people) focused on measuring biological changes, not clinical outcomes. Results may not translate to broader benefits, and pioglitazone has known risks like weight gain and fluid retention.

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 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 60 people

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

Started

Nov 2022

Expected to finish

Mar 2027

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

18 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.

T2D with NAFL Inclusion Criteria: * Confirmed T2D based on OGTT (2 h glucose ≥200 mg/dl). * Treated with diet, metformin, and/or sulfonylurea and in good general health determined by medical history, physical exam, and routine blood chemistries; * age = 18-80 years; * BMI = 25-40 kg/m2; * HbA1c = 7-10%; stable body weight (±4 pounds) over the preceding 3-months; * not taking any medication known to affect glucose metabolism other than antidiabetic medications. * Evidence of moderate/severe fatty liver (steatosis; grade S2/S3 on FibroScan corresponding to ≥10% fat on MRI-PDFF) and no/minimal hepatic fibrosis (grade F0/F1 on FibroScan). Exclusion Criteria: * Alcohol consumption \>14 units/week for women and \>21 units/week for men. * Liver cirrhosis (fibrosis stage 4). * Evidence of other forms of chronic liver disease, including alcoholic liver disease, hepatitis B and C, primary biliary cholangitis, suspected/proven liver cancer and any other liver disease other than NAFLD. * Type 1 diabetes and/or GAD positive subjects. * Subjects not drug naive or have been on metformin more than 3 months. * Presence of proliferative retinopathy. * Urine albumin excretion \> 300 mg/day. * History of NY Class III-IV heart failure T2D with NASH Inclusion Criteria: * Confirmed T2D based on OGTT (2 h glucose ≥200 mg/dl). * Treated with diet, metformin, and/or sulfonylurea and in good general health determined by medical history, physical exam, and routine blood chemistries; * age = 18-80 years; * BMI = 25-40 kg/m2; * HbA1c = 7-10%; * stable body weight (±4 pounds) over the preceding 3-months; * not taking any medication known to affect glucose metabolism other than antidiabetic medications. * Evidence of moderate/severe fatty liver (steatosis; grade S2/S3 on FibroScan corresponding to ≥10% liver fat on MRI-PDFF) and moderate/severe hepatic fibrosis (grade F2/F3 on FibroScan). Exclusion Criteria: * Alcohol consumption \>14 units/week for women and \>21 units/week for men. * Liver cirrhosis (fibrosis stage 4). * Evidence of other forms of chronic liver disease, including alcoholic liver disease, hepatitis B and C, primary biliary cholangitis, suspected/proven liver cancer and any other liver disease other than NAFLD. * Type 1 diabetes and/or GAD positive subjects. * Subjects not drug naive or have been on metformin more than 3 months. * Presence of proliferative retinopathy. * Urine albumin excretion \> 300 mg/day. * History of NY Class III-IV heart failure

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Conditions

The condition(s) this trial relates to.

inborn mitochondrial metabolism disorder Insulin Resistance metabolic dysfunction-associated steatohepatitis metabolic dysfunction-associated steatotic liver disease type 2 diabetes mellitus

As listed by the trial registrant

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

Mitochondrial metabolism disorders Non-alcoholic fatty liver disease Type 2 diabetes

How to take part

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

  1. The places running it

    2 sites. 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

  • Texas Diabetes Institute - University Health System

    RECRUITING

    San Antonio, Texas, 78207, United States

  • University of Texas Health Science Center at San Antonio

    RECRUITING

    San Antonio, Texas, 78229, United States

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