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Diabetes drug shows promise against deadly skin cancer in early trial

NCT ID NCT01840007

Disease control Sponsor: Centre Hospitalier Universitaire de Nice Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This pilot study tested whether metformin, a common diabetes drug, could help treat advanced melanoma that had spread and stopped responding to other treatments. Twenty adults with stage IIIC or IV melanoma took metformin to see if it could shrink their tumors. The goal was to find a new, safer option for a cancer with very few effective treatments.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

20 people

The number who actually took part.

Started

Aug 2011

Finished

Nov 2015

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 years and older

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.

Inclusion Criteria: * Major patients with metastatic melanoma (stage IIIC non-résécable or no surgically curable or stage IV with classification AJCC) in progression after a first-line of treatment by vemurafenib or chemotherapy, and non-eligible or non-responders to ipilimumab. Metastases measurable by RECIST criteria. Hematologic, renal and hepatic appropriate functions. Negative pregnancy test. Exclusion Criteria: * Patients with symptomatic brain metastases and Performans Status (PS)\>2. Patients with carcinomatous meningitis. Pregnant or breathfeeding women. Patients with a contraindication to the metformine. HIV infection, active infection with HBV or HCV. Patients already treated with metformin in the context of diabetes.

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Conditions

The condition(s) this trial relates to.

melanoma metastatic melanoma

As listed by the trial registrant

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

Metastatic melanoma (stage IIIC non-résécable or no surgically curable or stage IV with classification ajcc)

Contacts and locations

Locations

  • Bahadoran

    Nice, Alpes-Maritimes, 06200, France

  • MORTIER Laurent

    Lille, Nord, 59000, France