Exercise or pills? study pits walking against metformin for prediabetes
NCT ID NCT07061496
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed study compared moderate exercise (like brisk walking) with the drug metformin in 226 adults with prediabetes. Participants were randomly assigned to either exercise for 30-45 minutes, 5 days a week, or take metformin twice daily for 12 weeks. Researchers measured changes in blood sugar (HbA1c) and weight to see which approach worked better in a real-world, low-resource community setting.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- metformin
- What this could lead to
- If it works, this could show that exercise is as good as or better than metformin for controlling blood sugar in prediabetes, offering a low-cost option.
- What could go wrong
- This is a small, completed trial in one community, so results may not apply broadly. Also, open-label design means participants knew their group, which can bias results.
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
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
-
226 people
The number who actually took part.
- Started
-
Aug 2025
- Finished
-
Mar 2026
- Lead sponsor
-
A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 to 59 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.
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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: * Adults aged 18 to 59 years * Diagnosed with prediabetes based on ADA criteria (FPG: 100-125 mg/dL or HbA1c: 5.7-6.4%) * Stable HbA1c levels (no significant fluctuation in the last 3 months) * Body Mass Index (BMI) less than 30 kg/m² * Willing and able to provide written informed consent * Willing to participate in the assigned intervention (exercise or metformin) for 12 weeks * Residing within the community and able to attend scheduled follow-ups Exclusion Criteria: * Age 60 years or older * Diagnosis of Type 2 Diabetes Mellitus (T2DM) or use of anti-diabetic medications * Family history of diabetes in first-degree relatives (parent or sibling) * Known cardiovascular, renal, or hepatic disease * Pregnancy or lactation * Physical disability or limitation that would interfere with performing moderate-intensity exercise * Uncontrolled hypertension (SBP ≥ 160 mmHg or DBP ≥ 100 mmHg) * Known allergy or contraindication to metformin * Alcohol or substance abuse
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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.
Contacts and locations
Locations
-
Department of Preventive Medicine, Combined Military Hospital Nowshera
Nowshera, 25770, Pakistan
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