Substudy 02C: Safety and Efficacy of Pembrolizumab in Combination With Investigational Agents or Pembrolizumab Alone in Participants With Stage III Melanoma Who Are Candidates for Neoadjuvant Therapy (MK-3475-02C/KEYMAKER-U02)

Study Purpose

Substudy 02C is part of a larger research study that is testing experimental treatments for melanoma, a type of skin cancer. The larger study is the umbrella study. The goal of substudy 02C is to evaluate the safety and efficacy of investigational treatment arms in participants with Stage III melanoma who are candidates for neoadjuvant therapy to identify the investigational agent(s) that, when used in combination, are superior to the current treatment options/historical control available. Arm 1: Pembrolizumab + Vibostolimab, Arm 2: Pembrolizumab + Gebasaxturev, and Arm 3: Pembrolizumab were added in the base protocol on 13-Nov-2019, and enrollment into those arms has been completed. Arm 4: Pembrolizumab + MK-4830 was added in Amendment 04 on 20-Dec-2021, and enrollment into that arm has been completed. Arm 5: Favezelimab + Pembrolizumab and Arm 6: Pembrolizumab + all-trans retinoic acid (ATRA) were added in Amendment 06 on 25-Jun-2022, and enrollment is ongoing.

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

No
Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.


Searching Both is inclusive of interventional and observational studies.

Interventional
Eligible Ages 18 Years and Over
Gender All
More Inclusion & Exclusion Criteria

Inclusion Criteria:

  • - Has histologically or cytologically confirmed melanoma.
  • - Has clinically detectable and resectable Stage IIIB or IIIC or IIID melanoma amenable to surgery.
  • - Has been untreated for Stage IIIB, IIIC or IIID melanoma.
  • - surgical resection of primary melanoma is allowed.
  • - prior radiotherapy to the primary melanoma is allowed.
  • - Has provided a baseline tumor biopsy.
  • - Male participants who receive gebasaxturev are abstinent from heterosexual intercourse or agree to use contraception during the intervention period and for at least 120 days after the last dose of gebasaxturev.
  • - Male participants who receive ATRA are abstinent from heterosexual intercourse or agree to use contraception during the intervention period and for at least 7 days after the last dose of ATRA.
  • - Female participants are not pregnant or breastfeeding and are either not a woman of child-bearing potential (WOCBP) OR use a contraceptive method that is highly effective or are abstinent from heterosexual intercourse during the intervention period and for at least 120 days after the last dose of pembrolizumab, vibostolimab, gebasaxturev, or MK-4830, favezelimab + pembrolizumab, or 30 days after the last dose of ATRA, whichever occurs last.
  • - Has adequate organ function.
  • - Has resolution of toxic effect(s) of the most recent prior therapy to Grade 1 or less (except alopecia)

    Exclusion Criteria:

    - Has a diagnosis of immunodeficiency or is receiving immunosuppressive therapy within 7 days before the first dose of study intervention.
  • - Has a known additional malignancy that is progressing or requires active treatment within the past 2 years.
  • - Has known central nervous system (CNS) metastases and/or carcinomatous meningitis.
  • - Has ocular or mucosal melanoma.
  • - Has known hypersensitivity including previous clinically significant hypersensitivity reaction to treatment with another monoclonal antibody (mAb) - Has an active autoimmune disease that has required systemic treatment in the past 2 years.
  • - Has an active infection requiring systemic therapy.
  • - Has known history of human immunodeficiency virus (HIV) - Has known history of hepatitis B.
  • - Has a history of (noninfectious) pneumonitis.
  • - Has a history of active tuberculosis (TB) - Has received prior systemic anticancer therapy within 4 weeks prior to randomization.
  • - Has received prior radiotherapy within 2 weeks of first dose of study intervention.
  • - Has had major surgery <3 weeks prior to first dose of study intervention.
  • - Has received a live or live-attenuated vaccine within 30 days before the first dose of study intervention.
  • - Has participated in a study of an investigational agent within 4 weeks prior to the first dose of study intervention.
  • - Has had an allogeneic tissue/solid organ transplant.
  • - Has only mucosal lesions.
- Is not naïve to Talimogene laherparepvec (TVEC) and other oncolytic viruses

Trial Details

Trial ID:

This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.

NCT04303169
Phase

Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.

Phase 1/Phase 2
Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

Merck Sharp & Dohme LLC
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

Medical Director
Principal Investigator Affiliation Merck Sharp & Dohme LLC
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

Industry
Overall Status Active, not recruiting
Countries Australia, France, Israel, Italy, Switzerland, United States
Conditions

The disease, disorder, syndrome, illness, or injury that is being studied.

Melanoma
Study Website: View Trial Website
Arms & Interventions

Arms

Experimental: Pembrolizumab + Vibostolimab

Prior to tumor resection surgery, in the neoadjuvant phase, participants will receive pembrolizumab intravenously (IV) plus vibostolimab IV at specified doses on specified days. After surgery, in the adjuvant phase, participants will receive pembrolizumab IV at a specified dose on specified days. Participants will receive treatments in the neoadjuvant and adjuvant phase for a total treatment duration of up to approximately 1 year.

Experimental: Pembrolizumab + Gebasaxturev

Prior to tumor resection surgery, in the neoadjuvant phase, participants will receive pembrolizumab IV plus gebasaxturev (V937) intratumorally (IT) at specified doses on specified days. After surgery, in the adjuvant phase, participants will receive pembrolizumab IV at a specified dose on specified days. Participants will receive treatments in the neoadjuvant and adjuvant phase for a total treatment duration of up to approximately 1 year.

Experimental: Pembrolizumab

Prior to tumor resection surgery, in the neoadjuvant phase, participants will receive pembrolizumab IV at a specified dose on specified days. After surgery, in the adjuvant phase, participants will receive pembrolizumab IV at a specified dose on specified days. Participants will receive treatments in the neoadjuvant and adjuvant phase for a total treatment duration of up to approximately 1 year.

Experimental: Pembrolizumab + MK-4830

Prior to tumor resection surgery, in the neoadjuvant phase, participants will receive pembrolizumab IV plus MK-4830 IV at specified doses on specified days. After surgery, in the adjuvant phase, participants will receive pembrolizumab IV at a specified dose on specified days. Participants will receive treatments in the neoadjuvant and adjuvant phase for a total treatment duration of up to approximately 1 year.

Experimental: Favezelimab + Pembrolizumab

Prior to tumor resection surgery, in the neoadjuvant phase, participants will receive MK-4280A (favezelimab and pembrolizumab administered as a co-formulation) IV at specified doses on specified days. After surgery, in the adjuvant phase, participants will receive pembrolizumab IV at a specified dose on specified days. Participants will receive treatments in the neoadjuvant and adjuvant phase for a total treatment duration of up to approximately 1 year.

Experimental: Pembrolizumab + all-trans retinoic acid (ATRA)

Prior to tumor resection surgery, in the neoadjuvant phase, participants will receive pembrolizumab IV plus ATRA orally at specified doses on specified days. After surgery, in the adjuvant phase, participants will receive pembrolizumab IV at a specified dose on specified days. Participants will receive treatments in the neoadjuvant and adjuvant phase for a total treatment duration of up to approximately 1 year.

Interventions

Biological: - Pembrolizumab

Administered via IV infusion at a specified dose on specified days

Biological: - Vibostolimab

Administered via IV infusion at a specified dose on specified days

Biological: - Gebasaxturev

Administered via IT injection at a specified dose on specified days

Biological: - MK-4830

Administered via IV infusion at a specified dose on specified days

Biological: - Favezelimab + Pembrolizumab

Administered via IV infusion at a specified dose on specified days

Drug: - ATRA

Administered via oral capsules at a specified dose on specified days

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

Los Angeles, California

Status

Address

The Angeles Clinic and Research Institute ( Site 3009)

Los Angeles, California, 90025

Santa Monica, California

Status

Address

Providence Saint John's Health Center ( Site 3010)

Santa Monica, California, 90404

Aurora, Colorado

Status

Address

University of Colorado, Anschutz Cancer Pavilion ( Site 3012)

Aurora, Colorado, 80045

Baltimore, Maryland

Status

Address

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins ( Site 3022)

Baltimore, Maryland, 21287

NYU Clinical Cancer Center ( Site 3002), New York, New York

Status

Address

NYU Clinical Cancer Center ( Site 3002)

New York, New York, 10016

Duke Cancer Institute ( Site 3005), Durham, North Carolina

Status

Address

Duke Cancer Institute ( Site 3005)

Durham, North Carolina, 27710

Martha Morehouse Tower ( Site 3020), Columbus, Ohio

Status

Address

Martha Morehouse Tower ( Site 3020)

Columbus, Ohio, 43221

Portland, Oregon

Status

Address

Oregon Health & Science University ( Site 3013)

Portland, Oregon, 97239

Philadelphia, Pennsylvania

Status

Address

University of Pennsylvania Abramson Cancer Center ( Site 3008)

Philadelphia, Pennsylvania, 19104

Germantown, Tennessee

Status

Address

West Cancer Center - East Campus ( Site 3014)

Germantown, Tennessee, 38138

Fairfax, Virginia

Status

Address

Inova Schar Cancer Institute ( Site 3011)

Fairfax, Virginia, 22031

International Sites

Wollstonecraft, New South Wales, Australia

Status

Address

Melanoma Institute Australia ( Site 3402)

Wollstonecraft, New South Wales, 2065

Southport, Queensland, Australia

Status

Address

Tasman Oncology Research Pty Ltd ( Site 3403)

Southport, Queensland, 4215

Fiona Stanley Hospital ( Site 3401), Murdoch, Western Australia, Australia

Status

Address

Fiona Stanley Hospital ( Site 3401)

Murdoch, Western Australia, 6150

Hopital La Timone ( Site 3103), Marseille, Bouches-du-Rhone, France

Status

Address

Hopital La Timone ( Site 3103)

Marseille, Bouches-du-Rhone, 13005

Institut Claudius Regaud ( Site 3105), Toulouse cedex 9, Haute-Garonne, France

Status

Address

Institut Claudius Regaud ( Site 3105)

Toulouse cedex 9, Haute-Garonne, 31059

Gustave Roussy ( Site 3101), Villejuif, Ile-de-France, France

Status

Address

Gustave Roussy ( Site 3101)

Villejuif, Ile-de-France, 94805

Centre Hospitalier Lyon Sud ( Site 3102), Pierre Benite, Rhone, France

Status

Address

Centre Hospitalier Lyon Sud ( Site 3102)

Pierre Benite, Rhone, 69495

Paris, France

Status

Address

A.P.H. Paris, Hopital Saint Louis ( Site 3107)

Paris, , 75010

HaEmek Medical Center ( Site 3703), Afula, Israel

Status

Address

HaEmek Medical Center ( Site 3703)

Afula, , 1834111

Haifa, Israel

Status

Address

Rambam Health Care Campus-Oncology ( Site 3704)

Haifa, , 3109601

Jerusalem, Israel

Status

Address

Hadassah Ein Karem Jerusalem ( Site 3702)

Jerusalem, , 9112001

Petah-Tikva, Israel

Status

Address

Rabin Medical Center-Oncology ( Site 3705)

Petah-Tikva, , 4941492

Chaim Sheba Medical Center ( Site 3701), Ramat Gan, Israel

Status

Address

Chaim Sheba Medical Center ( Site 3701)

Ramat Gan, , 5265601

Milano, Italy

Status

Address

Istituto Europeo di Oncologia ( Site 3301)

Milano, , 20141

Siena, Italy

Status

Address

Policlinico Le Scotte - A.O. Senese ( Site 3377)

Siena, , 53100

Genève, Geneve, Switzerland

Status

Address

Hôpitaux Universitaires de Genève (HUG)-Oncology ( Site 3603)

Genève, Geneve, 1211

Lausanne, Vaud, Switzerland

Status

Address

CHUV Centre Hospitalier Universitaire Vaudois ( Site 3602)

Lausanne, Vaud, 1011

Universitaetsspital Zuerich ( Site 3601), Zuerich Flughafen, Zurich, Switzerland

Status

Address

Universitaetsspital Zuerich ( Site 3601)

Zuerich Flughafen, Zurich, 8058

Stay Informed & Connected