Can a diabetes drug ease nerve pain? new study tests acarbose with smart glucose monitoring
NCT ID NCT07436585
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether the diabetes drug acarbose, adjusted using continuous glucose monitoring (CGM), can reduce pain in adults with painful diabetic neuropathy. 170 participants with type 2 diabetes and high blood sugar swings were enrolled. The goal was to see if controlling blood sugar spikes with acarbose could lower daily pain scores over 4 weeks compared to a placebo.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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170 people
The number who actually took part.
- Started
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Sep 2025
- Finished
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Dec 2025
- 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: * Age 18-75 years. * Type 2 diabetes ≥1 year; HbA1c 7.0-10.0% within 8 weeks of randomization. * Painful DPN meeting clinical criteria; average daily pain NRS ≥4 during run-in. * High CGM variability on 7-10 day run-in (e.g., MAGE \>50 mg/dL). * Stable analgesic regimen ≥4 weeks pre-baseline. * Able to use CGM and ePRO; provides informed consent. Exclusion: * Type 1 diabetes; non-diabetic neuropathies. * Contraindications to acarbose (e.g., chronic intestinal malabsorption, inflammatory bowel disease). * eGFR \<45 mL/min/1.73 m²; significant hepatic disease (ALT/AST \>3× ULN). * Use of α-glucosidase inhibitors within 3 months. * Recent change (\<3 months) in GLP-1/GIP agonists, SGLT2i, or basal/bolus insulin strategy. * Pregnancy/lactation; other conditions compromising safety/assessments.
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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
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Shifa International hospital
Lahore, Pakistan
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