New diabetes combo aims to beat standard care in Head-to-Head trial
NCT ID NCT06246799
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This phase 3 trial compares two initial drug combinations for people recently diagnosed with type 2 diabetes. One group gets pioglitazone plus tirzepatide (Mounjaro), the other gets metformin plus sitagliptin. The study will track how well each combo lowers blood sugar and how long the effect lasts in 256 adults over several years.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Pioglitazone and tirzepatide (Mounjaro) combination
- What this could lead to
- If successful, this could show that starting with a pioglitazone and tirzepatide combo helps more people with new diabetes reach and maintain healthy blood sugar levels than the standard metformin and sitagliptin combo.
- What could go wrong
- This is a mid-stage trial with 256 people, so results may not apply to everyone. Both drug combos have side effects, and the study will not prove a cure—diabetes will still need ongoing management.
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
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 256 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2024
- Expected to finish
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Jun 2029
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Ability of subject to understand and the willingness to sign a written informed consent document. 2. Males and females; Age 18-75 years 3. Recently (within 5 years) diagnosed Type 2 Diabetes Mellitus (T2DM) patients 4. Drug naïve or receiving metformin monotherapy 5. HbA1c \>6.5% (no limit on upper HbA1c value); 6. Willingness to adhere to the investigational product regimen 7. Good general health 8. Stable body weight over the preceding 3 months 9. Agreement to adhere to Lifestyle Considerations throughout study duration. Exclusion Criteria: 1. positive anti-GAD (antibodies to glutamic acid decarboxylase) 2. pregnancy or plan of becoming pregnant 3. evidence of proliferative diabetic retinopathy, 4. plasma creatinine \>1.4 females or \>1.5 males; 5. presence of congestive heart failure (CHF); 6. history of cancer (\<5 years); 7. prior history of pancreatitis, 8. bladder cancer or family history of thyroid tumors; 9. presence of hematuria in the urine analysis.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
2 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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UT Health Science Center
RECRUITINGSan Antonio, Texas, 78229, United States
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University Health System Texas Diabetic Institute
RECRUITINGSan Antonio, Texas, 78207, United States
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