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NCT03054519: PERMET

Improve PAD PERformance With METformin

Completed Phase 3 Last updated 15 April 2026
What this trial tests

Phase 3 trial testing Metformin in Peripheral Artery Disease in 203 participants. Completed in 1 November 2025.

Timeline
23 May 2017
Primary endpoint
20 August 2025
1 November 2025

Quick facts

Lead sponsorNorthwestern University
PhasePhase 3
StatusCompleted
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingquadruple
Primary purposetreatment
Enrollment203
Start date23 May 2017
Primary completion20 August 2025
Estimated completion1 November 2025
Sites5 locations across United States

Drugs / interventions tested

Conditions studied

Sponsor

Northwestern University

Who can join

18 and older, any sex, with Peripheral Artery Disease. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

The PERMET trial will determine whether metformin daily for six months improves six-minute walk performance in individuals with peripheral artery disease compared to placebo.

Publications & conference data

7 peer-reviewed publications reference this trial (live from Europe PMC):

  1. Estrogen-related receptor alpha is an AMPK-regulated factor that promotes ischemic muscle revascularization and recovery in diet-induced obese mice.
    Sopariwala DH, Rios AS, Park MK, Song MS, et al · · 2022 · cited 18× · PMID 36089981 · DOI 10.1096/fba.2022-00015
  2. MetfOrmin BenefIts Lower Extremities with Intermittent Claudication (MOBILE IC): randomized clinical trial protocol.
    Reitz KM, Althouse AD, Forman DE, Zuckerbraun BS, et al · · 2023 · cited 6× · PMID 36681798 · DOI 10.1186/s12872-023-03047-8
  3. Mitochondrial fatty acid beta-oxidation: a possible therapeutic target for skeletal muscle lipotoxicity in peripheral artery disease myopathy.
    Bradley CE, Fletcher E, Wilkinson T, Ring A, et al · · 2024 · cited 3× · PMID 38741727 · DOI 10.17179/excli2024-7004
  4. Metformin to Improve Walking Performance in Lower Extremity Peripheral Artery Disease: The PERMET Randomized Clinical Trial.
    McDermott MM, Domanchuk KJ, Tian L, Zhao L, et al · · 2026 · cited 1× · PMID 41205146 · DOI 10.1001/jama.2025.21358
  5. Medical therapies, comorbid conditions, and functional performance in people with peripheral artery disease enrolled in clinical trials between 2004 and 2021.
    Nayak P, Polonsky T, Tian L, Greenland P, et al · · 2023 · cited 1× · PMID 36588397 · DOI 10.1177/1358863x221145533
  6. Community-based recruitment with ankle brachial index testing to identify peripheral artery disease participants for randomized clinical trials.
    McDermott MM, Cetlin MD, Domanchuk KJ, Xu S, et al · · 2026 · PMID 42035974 · DOI 10.1016/j.ahj.2026.107450
  7. Gastrocnemius Myofiber Type and Mitochondrial Alterations Associated With Peripheral Artery Disease Severity.
    Kosmac K, Wang RD, Stewart J, Kaur P, et al · · 2025 · PMID 41051228 · DOI 10.1093/function/zqaf047

Verify or expand the search:

Other trials of Metformin

Trials testing the same drug.

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Other Northwestern University trials

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Data sources for this page

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