A Study With Combinations of Anti-LAG-3 and Anti-PD-1 Antibodies in Adult Participants With Advanced or Metastatic Melanoma (Harmony Head-to-Head)

Study Purpose

This study is researching an experimental drug called fianlimab (also known as REGN3767), combined with another medication called cemiplimab (also known as REGN2810), called "study drugs". The study is focused on patients with a type of skin cancer known as melanoma. The aim of the study is to see how safe and effective the combination of fianlimab and cemiplimab is in treating melanoma, in comparison with the combination of two medications, relatlimab and nivolumab, commercialized under the brand name Opdualag™ and approved for the treatment of melanoma in adults and children. The study is looking at several other research questions, including:

- What side effects may happen from taking the study drugs.

- How much study drug is in the blood at different times.

- Whether the body makes antibodies against the study drugs (which could make the drug less effective or could lead to side effects)

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

Key

Inclusion Criteria:

1. Participants with histologically confirmed unresectable stage III and stage IV (metastatic) melanoma per American Joint Committee on Cancer (AJCC), eighth revised edition. 2. Participants must not have received prior systemic therapy for unresectable or metastatic melanoma as described in the protocol. 3. Measurable disease per RECIST version 1.1. 4. Eastern Cooperative Oncology Group (ECOG) performance status (PS) ≤1. 5. Adequate bone marrow, hepatic, and kidney function. 6. Known B-Rapidly Accelerated Fibrosarcoma protein (BRAF) V600 mutation status or submitted sample for BRAF V600 mutation assessment as described in the protocol.Key

Exclusion Criteria:

Medical Conditions: 1. Uveal, acral or mucosal melanoma. 2. Ongoing or recent (within 2 years) evidence of an autoimmune disease that required systemic treatment with immunosuppressive agents as described in the protocol. 3. Uncontrolled infection with human immunodeficiency virus (HIV), hepatitis B (HBV), or hepatitis C virus (HCV) infection; or diagnosis of immunodeficiency that is related to, or results in chronic infection. Mild cancer-related immunodeficiency (such as immunodeficiency treated with gamma globulin and without chronic or recurrent infection) is allowed. Prior/Concomitant Therapy: 4. Prior immune checkpoint inhibitor therapy other than anti-PD1/PD-L1 as described in the protocol. 5. Systemic immune suppression as described in the protocol. Other Comorbidities: 6. Participants with a history of myocarditis. 7. Troponin T (TnT) or troponin I (TnI) >2x institutional upper limit of normal (ULN). 8. Active or untreated brain metastases or spinal cord compression as described in the protocol. Note: Other protocol-defined Inclusion/ Exclusion Criteria apply.

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.	NCT06246916
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 3
Lead Sponsor The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.	Regeneron Pharmaceuticals
Principal Investigator The person who is responsible for the scientific and technical direction of the entire clinical study.	Clinical Trial Management
Principal Investigator Affiliation	Regeneron Pharmaceuticals
Agency Class Category of organization(s) involved as sponsor (and collaborator) supporting the trial.	Industry
Overall Status	Recruiting
Countries	Canada, United States
Conditions The disease, disorder, syndrome, illness, or injury that is being studied.	Melanoma
Study Website:	View Trial Website

Arms & Interventions

Arms

Experimental: fianlimab+cemiplimab

Randomized 1:1

Active Comparator: relatlimab+nivolumab

Randomized 1:1

Interventions

Drug: - fianlimab

Intravenous (IV) administration every 3 weeks (Q3W) in combination with cemiplimab

Drug: - cemiplimab

IV administration Q3W in combination with fianlimab

Drug: - relatlimab+nivolumab

IV administration every 4 weeks (Q4W)

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.

Ironwood Cancer & Research Centers, Chandler 5289282, Arizona 5551752

Status

Recruiting

Address

Ironwood Cancer & Research Centers

Chandler 5289282, Arizona 5551752, 85224

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