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)

NCT ID: NCT06246916

Last Updated: 2025-11-06

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE3

Total Enrollment

560 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-09-09

Study Completion Date

2033-07-10

Brief Summary

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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)

Detailed Description

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Conditions

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Melanoma

Keywords

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Unresectable Melanoma Metastatic Melanoma Advanced Melanoma Stage III Stage IV

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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fianlimab+cemiplimab

Randomized 1:1

Group Type EXPERIMENTAL

fianlimab

Intervention Type DRUG

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

cemiplimab

Intervention Type DRUG

IV administration Q3W in combination with fianlimab

relatlimab+nivolumab

Randomized 1:1

Group Type ACTIVE_COMPARATOR

relatlimab+nivolumab

Intervention Type DRUG

IV administration every 4 weeks (Q4W)

Interventions

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fianlimab

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

Intervention Type DRUG

cemiplimab

IV administration Q3W in combination with fianlimab

Intervention Type DRUG

relatlimab+nivolumab

IV administration every 4 weeks (Q4W)

Intervention Type DRUG

Other Intervention Names

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REGN3767 REGN2810 LIBTAYO® Opdualag™

Eligibility Criteria

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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

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.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Regeneron Pharmaceuticals

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Clinical Trial Management

Role: STUDY_DIRECTOR

Regeneron Pharmaceuticals

Locations

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Ironwood Cancer & Research Centers

Chandler, Arizona, United States

Site Status RECRUITING

Banner MD Anderson Cancer Center

Gilbert, Arizona, United States

Site Status RECRUITING

Arizona Oncology Associates

Tucson, Arizona, United States

Site Status WITHDRAWN

University of Arkansas for Medical Sciences

Little Rock, Arkansas, United States

Site Status RECRUITING

Providence Medical Foundation

Fullerton, California, United States

Site Status RECRUITING

Cancer and Blood Specialty Clinic

Los Alamitos, California, United States

Site Status RECRUITING

University of California Los Angeles

Los Angeles, California, United States

Site Status RECRUITING

St. Joseph Hospital Orange

Orange, California, United States

Site Status RECRUITING

Eisenhower Medical Center

Rancho Mirage, California, United States

Site Status RECRUITING

Sutter Health

Sacramento, California, United States

Site Status RECRUITING

University of California San Francisco (UCSF)

San Francisco, California, United States

Site Status RECRUITING

Sansum Clinic

Santa Barbara, California, United States

Site Status RECRUITING

St John's Cancer Institute

Santa Monica, California, United States

Site Status RECRUITING

Rocky Mountain Regional VA Medical Center

Aurora, Colorado, United States

Site Status RECRUITING

University of Colorado Cancer Center

Aurora, Colorado, United States

Site Status RECRUITING

The Melanoma And Skin Cancer Institute

Englewood, Colorado, United States

Site Status RECRUITING

UCHealth

Fort Collins, Colorado, United States

Site Status RECRUITING

Yale Cancer Center

New Haven, Connecticut, United States

Site Status RECRUITING

Clermont Oncology Center

Clermont, Florida, United States

Site Status RECRUITING

Mayo Clinic Florida

Jacksonville, Florida, United States

Site Status RECRUITING

Cancer Specialist of North Florida

Jacksonville, Florida, United States

Site Status RECRUITING

Boca Raton Clinical Research (BRCR) Global

Tamarac, Florida, United States

Site Status RECRUITING

H. Lee Moffitt Cancer Center

Tampa, Florida, United States

Site Status RECRUITING

University Cancer & Blood Center

Athens, Georgia, United States

Site Status RECRUITING

John B. Amos Cancer Center

Columbus, Georgia, United States

Site Status RECRUITING

Beacon Clinic

Coeur d'Alene, Idaho, United States

Site Status RECRUITING

Hope and Healing Cancer Services

Hinsdale, Illinois, United States

Site Status RECRUITING

Advocate Lutheran General Hospital

Park Ridge, Illinois, United States

Site Status RECRUITING

Illinois CancerCare

Peoria, Illinois, United States

Site Status RECRUITING

Fort Wayne Medical Oncology and Hematology

Fort Wayne, Indiana, United States

Site Status RECRUITING

The University of Kansas Cancer Center

Westwood, Kansas, United States

Site Status RECRUITING

Markey Cancer Center Clinical Research Organization

Lexington, Kentucky, United States

Site Status RECRUITING

Mary Bird Perkins Cancer Center

Baton Rouge, Louisiana, United States

Site Status RECRUITING

Maryland Oncology Hematology, P.A.

Columbia, Maryland, United States

Site Status RECRUITING

University of Michigan

Ann Arbor, Michigan, United States

Site Status RECRUITING

Karmanos Cancer Institute

Detroit, Michigan, United States

Site Status RECRUITING

Minnesota Oncology Hematology, P.A

Fridley, Minnesota, United States

Site Status RECRUITING

Allina Health Cancer Institute

Minneapolis, Minnesota, United States

Site Status RECRUITING

VA St. Louis Healthcare System

St Louis, Missouri, United States

Site Status RECRUITING

Washington University

St Louis, Missouri, United States

Site Status RECRUITING

Mercy South

St Louis, Missouri, United States

Site Status RECRUITING

St. Vincent Healthcare

Billings, Montana, United States

Site Status RECRUITING

Oncology Hematology West P.C. dba Nebraska Cancer Specialists

Omaha, Nebraska, United States

Site Status RECRUITING

Comprehensive Cancer Centers of Nevada

Las Vegas, Nevada, United States

Site Status RECRUITING

John Theurer Cancer Center

Hackensack, New Jersey, United States

Site Status RECRUITING

Rutgers Cancer Institute of New Jersey

New Brunswick, New Jersey, United States

Site Status RECRUITING

The Valley Hospital Inc.

Paramus, New Jersey, United States

Site Status RECRUITING

New York Oncology Hematology

Albany, New York, United States

Site Status RECRUITING

Messino Cancer Center

Asheville, North Carolina, United States

Site Status RECRUITING

Levine Cancer Institute

Charlotte, North Carolina, United States

Site Status RECRUITING

Novant Health Cancer Institute

Charlotte, North Carolina, United States

Site Status RECRUITING

Novant Health Weisiger Cancer Institute - Charlotte

Charlotte, North Carolina, United States

Site Status RECRUITING

Duke Health System

Durham, North Carolina, United States

Site Status RECRUITING

Novant Health Zimmer Cancer Institute - Wilmington

Wilmington, North Carolina, United States

Site Status RECRUITING

Oncology Hematology Care Clinical Trials

Cincinnati, Ohio, United States

Site Status RECRUITING

Seidman Cancer Center

Cleveland, Ohio, United States

Site Status RECRUITING

Oklahoma Cancer Specialists and Research Institute, LLC

Tulsa, Oklahoma, United States

Site Status RECRUITING

Oncology Associates of Oregon PC

Eugene, Oregon, United States

Site Status RECRUITING

Kaiser Foundation Hospitals

Portland, Oregon, United States

Site Status RECRUITING

Oregon Health and Science University

Portland, Oregon, United States

Site Status RECRUITING

St. Luke's University Health Network

Easton, Pennsylvania, United States

Site Status RECRUITING

Fox Chase Cancer Center

Philadelphia, Pennsylvania, United States

Site Status RECRUITING

University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center

Pittsburgh, Pennsylvania, United States

Site Status RECRUITING

Lifespan Cancer Institute

Providence, Rhode Island, United States

Site Status RECRUITING

Saint Francis Cancer Center

Greenville, South Carolina, United States

Site Status RECRUITING

Tennessee Oncology - Chattanooga

Chattanooga, Tennessee, United States

Site Status RECRUITING

University of Tennessee Medical Center

Knoxville, Tennessee, United States

Site Status RECRUITING

Sarah Cannon Research Institute (SCRI) Oncology Partners

Nashville, Tennessee, United States

Site Status RECRUITING

Tennessee Oncology

Nashville, Tennessee, United States

Site Status RECRUITING

Texas Oncology - Austin Midtown, Midtown Medical Center I

Austin, Texas, United States

Site Status RECRUITING

Texas Oncology - Austin Central, Central Austin Cancer Center

Austin, Texas, United States

Site Status RECRUITING

Texas Oncology - Bedford

Bedford, Texas, United States

Site Status RECRUITING

Texas Oncology - Medical City

Dallas, Texas, United States

Site Status RECRUITING

Texas Oncology

Dallas, Texas, United States

Site Status RECRUITING

Center For Disease And Blood Disorder

Fort Worth, Texas, United States

Site Status RECRUITING

Texas Oncology - Fort Worth

Fort Worth, Texas, United States

Site Status RECRUITING

Texas Oncology - Grapevine

Grapevine, Texas, United States

Site Status RECRUITING

Texas Oncology - Harlingen, Medical Arts Pavillion

Harlingen, Texas, United States

Site Status RECRUITING

The University of Texas MD Anderson Cancer Center

Houston, Texas, United States

Site Status RECRUITING

Texas Oncology - Longview

Longview, Texas, United States

Site Status RECRUITING

Joe Arrington Cancer Research & Treatment Center

Lubbock, Texas, United States

Site Status RECRUITING

Texas Oncology - McAllen

McAllen, Texas, United States

Site Status RECRUITING

Texas Oncology-Palestine Cancer Center

Palestine, Texas, United States

Site Status RECRUITING

The University of Texas Health Science Center at Tyler D/B/A UT Health East Texas HOPE Cancer Center

Tyler, Texas, United States

Site Status RECRUITING

Texas Oncology-Tyler, Northeast Texas Cancer Institute

Tyler, Texas, United States

Site Status RECRUITING

Texas Oncology - Weslaco, Knapp Medical Plaza

Weslaco, Texas, United States

Site Status RECRUITING

University of Utah Huntsman Cancer Institute

Salt Lake City, Utah, United States

Site Status RECRUITING

University of Virginia

Charlottesville, Virginia, United States

Site Status RECRUITING

Virginia Cancer Specialists, PC

Fairfax, Virginia, United States

Site Status RECRUITING

Virginia Oncology Associates

Norfolk, Virginia, United States

Site Status RECRUITING

Virginia Commonwealth University Massey Cancer Center

Richmond, Virginia, United States

Site Status RECRUITING

Oncology & Hematology Associates of Southwest Virginia, Inc.

Roanoke, Virginia, United States

Site Status RECRUITING

Swedish Cancer Institute - Edmonds Campus

Edmonds, Washington, United States

Site Status RECRUITING

Swedish Cancer Institute - Issaquah Campus

Issaquah, Washington, United States

Site Status RECRUITING

Swedish Cancer Institute

Seattle, Washington, United States

Site Status RECRUITING

West Virginia University

Morgantown, West Virginia, United States

Site Status RECRUITING

University of Wisconsin Carbone Cancer Center

Madison, Wisconsin, United States

Site Status RECRUITING

London Regional Cancer Centre

London, Ontario, Canada

Site Status RECRUITING

Sunnybrook Health Sciences Centre

Toronto, Ontario, Canada

Site Status RECRUITING

Princess Margaret Cancer Centre

Toronto, Ontario, Canada

Site Status RECRUITING

Centre Hospitalier Universitaire de Quebec (CHUQ) - Centre Hospitalier de l'Universite Laval (CHUL)

Québec, , Canada

Site Status RECRUITING

Countries

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United States Canada

Central Contacts

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Clinical Trials Administrator

Role: CONTACT

Phone: 844-734-6643

Email: [email protected]

Related Links

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https://harmonyheadtohead.com

Study Informational Website

Other Identifiers

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R3767-ONC-22122

Identifier Type: -

Identifier Source: org_study_id