Actively Recruiting

Phase 1
Age: 18Years +
All Genders
NCT03311308

A Trial of Pembrolizumab and Metformin Versus Pembrolizumab Alone in Advanced Melanoma

Led by Yana Najjar · Updated on 2025-05-06

30

Participants Needed

1

Research Sites

616 weeks

Total Duration

On this page

Sponsors

Y

Yana Najjar

Lead Sponsor

M

Merck Sharp & Dohme LLC

Collaborating Sponsor

AI-Summary

What this Trial Is About

The purpose of this study is to evaluate the effectiveness and safety of the combination of Pembrolizumab (KEYTRUDA®) and the investigational drug, Metformin.

CONDITIONS

Official Title

A Trial of Pembrolizumab and Metformin Versus Pembrolizumab Alone in Advanced Melanoma

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Be willing and able to provide written informed consent for the trial.
  • Have un-resectable (stage III) or advanced (stage IV) melanoma.
  • Be 18 years of age or older on day of signing informed consent.
  • Have measurable disease based on RECIST 1.1 or be approved by the Sponsor if no measurable disease.
  • Have biopsiable disease with a biopsy obtained up to 30 days prior to Day 1.
  • May have received prior adjuvant therapy with anti-PD-1, anti-CTLA-4, or BRAF/MEK inhibitors.
  • May be immunotherapy treatment naive in the advanced setting or on anti-PD-1 therapy with stable or partial response for at least 12 weeks.
  • Performance status 0, 1, or 2 on ECOG scale.
  • Baseline HbA1c ≤ 6.4.
  • Adequate organ function as defined by specific blood count and chemistry criteria within 14 days of treatment.
  • Free of active brain metastases confirmed by CT/MRI scans within 2 weeks before starting study drugs.
  • Recovered from prior radiation therapy without significant adverse events.
  • Female patients of childbearing potential must have a negative pregnancy test within 7 days before registration and be willing to use two forms of birth control or be surgically sterile.
  • Male patients must agree to use contraception during and up to 120 days after treatment.
Not Eligible

You will not qualify if you...

  • Diagnosed with type 1 or type 2 diabetes with HbA1c ≥ 6.5 or currently on hypoglycemic medications, including metformin.
  • Receiving systemic steroid or immunosuppressive therapy within 7 days before first dose.
  • Known history of active tuberculosis.
  • Hypersensitivity to pembrolizumab or its components.
  • Received anti-cancer monoclonal antibody (excluding anti-PD-1) within 4 weeks before Day 1 or not recovered from related adverse events.
  • Received chemotherapy, targeted therapy, or radiation within 2 weeks before Day 1 or not recovered from related adverse events, except for ≤ Grade 2 neuropathy.
  • Known additional progressing malignancy requiring active treatment except certain skin cancers or cervical cancer in situ.
  • Known active central nervous system metastases or carcinomatous meningitis, except stable treated brain metastases without steroids for at least 7 days.
  • Active autoimmune disease requiring systemic treatment in past 2 years.
  • History of pneumonitis requiring steroids or current pneumonitis.
  • Active infection requiring intravenous antibiotics.
  • Any condition or abnormality interfering with study participation or results.
  • Known psychiatric or substance abuse disorders interfering with trial cooperation.
  • Pregnant, breastfeeding, or planning conception during study and 120 days after last dose.
  • Known HIV infection.
  • Known or suspected hepatitis B or C infection.
  • Received live vaccine within 30 days before starting study therapy except for inactivated flu vaccines.

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Univ of Pittsburgh Medical Center Hillman Cancer Center

Pittsburgh, Pennsylvania, United States, 15232

Actively Recruiting

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Research Team

Y

Yana Najjar, MD

CONTACT

A

Amy Rose, RN

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NON_RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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