A Study of Amivantamab and mFOLFOX6 or FOLFIRI Versus Cetuximab and mFOLFOX6 or FOLFIRI as First-line Treatment in Participants With KRAS/NRAS and BRAF Wild-type Unresectable or Metastatic Left-sided Colorectal Cancer

Banner MD Anderson Cancer Center, Gilbert, Arizona, United States

St. Bernard's Medical Center, Jonesboro, Arkansas, United States

Highlands Oncology Group, Springdale, Arkansas, United States

CBCC Global Research, Bakersfield, California, United States

Los Angeles Cancer Network, Glendale, California, United States

Cancer and Blood Specialty Clinic, Los Alamitos, California, United States

USC Norris Comprehensive Cancer Center, Los Angeles, California, United States

UCLA, Santa Monica, California, United States

Providence Medical Foundation, Santa Rosa, California, United States

Torrance Memorial Physicians Network, Torrance, California, United States

Rocky Mountain Cancer Centers, Denver, Colorado, United States

Yale University School Of Medicine, New Haven, Connecticut, United States

Georgetown Univ Medical Center Lombardi Cancer Center, Washington D.C., District of Columbia, United States

Florida Cancer Specialists South, Fort Myers, Florida, United States

AdventHealth Medical Group Oncology and Hematology at Orlando, Orlando, Florida, United States

Florida Cancer Specialists North Region, St. Petersburg, Florida, United States

Florida Cancer Specialists East, West Palm Beach, Florida, United States

Grady Memorial Hospital, Atlanta, Georgia, United States

Winship Cancer Institute Emory University, Atlanta, Georgia, United States

Illinois CancerCare, Peoria, Illinois, United States

Fort Wayne Medical Oncology & Hematology, Fort Wayne, Indiana, United States

University of Iowa Hospital, Iowa City, Iowa, United States

Mission Cancer Blood, Waukee, Iowa, United States

Cancer Center of Kansas, Wichita, Kansas, United States

Ochsner Clinic Foundation, New Orleans, Louisiana, United States

MedStar Franklin Square Medical Center, Baltimore, Maryland, United States

VA Ann Arbor Healthcare System, Ann Arbor, Michigan, United States

University of Michigan, Ann Arbor, Michigan, United States

Henry Ford Hospital, Detroit, Michigan, United States

Start Midwest, Grand Rapids, Michigan, United States

Hattiesburg Clinic, Hattiesburg, Mississippi, United States

Washington University School Of Medicine, St Louis, Missouri, United States

Nebraska Cancer Specialists Midwest Cancer Center, Omaha, Nebraska, United States

Comprehensive Cancer Centers of Nevada, Las Vegas, Nevada, United States

Astera Cancer Care, East Brunswick, New Jersey, United States

Rutgers Cancer Institute, New Brunswick, New Jersey, United States

University of New Mexico Cancer Center, Albuquerque, New Mexico, United States

Perlmutter Cancer Center at NYU Long Island, Mineola, New York, United States

Mount Sinai, New York, New York, United States

Mount Sinai West, New York, New York, United States

NYU Langone Medical Center NYU Hematology Associates, New York, New York, United States

Herbert Irving Comprehensive Cancer Center Columbia University Medical Center, New York, New York, United States

New York Cancer and Blood Specialists, Shirley, New York, United States

Montefiore Einstein Comprehensive Cancer Center, The Bronx, New York, United States

University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States

Gabrail Cancer Center, Canton, Ohio, United States

University Hospitals Cleveland Medical Center, Cleveland, Ohio, United States

Cleveland Clinic Cancer Center Fairview Hospital Moll Pavilion, Cleveland, Ohio, United States

Taussig Cancer Insititute Cleveland Clinic, Cleveland, Ohio, United States

Cleveland Clinic Cancer Center Independence Family Health Center, Independence, Ohio, United States

Cleveland Clinic Cancer Center Mansfield, Mansfield, Ohio, United States

Cleveland Clinic Cancer Center Hillcrest Hospital, Mayfield Heights, Ohio, United States

Cleveland Clinic Cancer Centers Sandusky, Sandusky, Ohio, United States

Cleveland Clinic Cancer Center Strongsville, Strongsville, Ohio, United States

Cleveland Clinic Cancer Center South Pointe Hospital, Warrensville Heights, Ohio, United States

Wooster Milltown Specialty and Surgery Center, Wooster, Ohio, United States

Oregon Health And Science University, Portland, Oregon, United States

Thomas Jefferson University, Philadelphia, Pennsylvania, United States

Fox Chase Cancer Center, Philadelphia, Pennsylvania, United States

University Of Pittsburgh Medical Center UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania, United States

SCRI Oncology Partners, Nashville, Tennessee, United States

Texas Oncology West Texas, Abilene, Texas, United States

Texas Oncology DFW, Dallas, Texas, United States

UT Southwestern, Dallas, Texas, United States

MD Anderson Cancer Center, Houston, Texas, United States

Baylor Scott and White Health 1, Round Rock, Texas, United States

Texas Oncology - San Antonio, San Antonio, Texas, United States

Baylor Scott and White Health, Temple, Texas, United States

Virginia Cancer Specialists, Arlington, Virginia, United States

Inova Schar Cancer Institute Dept of Fairfax Hospital, Fairfax, Virginia, United States

Richmond VA Medical Center, Richmond, Virginia, United States

VCU Massey Comprehensive Cancer Center, Richmond, Virginia, United States

Swedish Cancer Institute Edmonds, Edmonds, Washington, United States

Swedish Cancer Institute Issaquah, Issaquah, Washington, United States

Swedish Cancer Institute, Seattle, Washington, United States

Fred Hutchinson Cancer Research Center, Seattle, Washington, United States

William S. Middleton Memorial VA, Madison, Wisconsin, United States

Institut Jules Bordet, Anderlecht, Belgium

Universitair Ziekenhuis Antwerpen, Edegem, Belgium

AZ Maria Middelares, Ghent, Belgium

Hopital de Jolimont, Haine Saint Paul La Louviere, Belgium

Az Groeninge, Kortrijk, Belgium

Universitair Ziekenhuis Leuven, Leuven, Belgium

Centre Hospitalier Universitaire de Liege Domaine Universitaire du Sart Tilman, Liège, Belgium

Fundacao Pio XII, Barretos, Brazil

Fundacao Universidade de Caxias do Sul, Caxias do Sul, Brazil

Fundacao Doutor Amaral Carvalho, Jaú, Brazil

Hospital Nossa Senhora da Conceicao S A, Porto Alegre, Brazil

Hospital Santa Izabel Santa Casa de Misericordia da Bahia, Salvador, Brazil

Clinica de Hematologia e Oncologia Viver Ltda, Santa Maria, Brazil

Fundacao Faculdade Regional De Medicina S Jose Rio Preto Hospital De Base, São José do Rio Preto, Brazil

Fundacao Faculdade de Medicina - Instituto do Cancer do Estado de Sao Paulo, São Paulo, Brazil

Fundacao Antonio Prudente A C Camargo Cancer Center, São Paulo, Brazil

Sociedade Beneficente Israelita Brasileira Hospital Albert Einstein, São Paulo, Brazil

Associacao Feminina de Educacao e Combate ao Cancer Hospital Santa Rita de Cassia, Vitória, Brazil

Arthur J E Child Comprehensive Cancer Centre, Calgary, Alberta, Canada

Ottawa Hospital, Ottawa, Ontario, Canada

Princess Margaret Cancer Centre, Toronto, Ontario, Canada

Centre de Recherche du CHUM, Montreal, Quebec, Canada

Peking University First Hospital, Beijing, China

Beijing Friendship Hospital Capital Medical University, Beijing, China

Beijing Cancer Hospital, Beijing, China

Peking University Third Hospital, Beijing, China

The First Bethune Hospital of Jilin University, Changchun, China

Hunan Cancer hospital, Changsha, China

Sun Yat Sen University Cancer Center, Guangzhou, China

The Sixth Affiliated Hospital Sun Yat sen University, Guangzhou, China

Guangdong Provincial People's Hospital, Guangzhou, China

The First Affiliated Hospital Zhejiang University College of Medicine, Hangzhou, China

The Second Affiliated Hospital of Zhejiang University College of Medicine, Hangzhou, China

Zhejiang Cancer Hospital, Hangzhou, China

Harbin medical university cancer hospital, Harbin, China

Huizhou Central People's Hospital, Huizhou, China

The First Affiliated Hospital of NanChang University, Nanchang, China

Fudan University Shanghai Cancer Center, Shanghai, China

Liaoning Cancer Hospital and Institute, Shenyang, China

Peking University Shenzhen Hospital, Shenzhen, China

West China Hospital of Sichuan University, Sichuan, China

First Hospital of Shanxi Medical University, Taiyuan, China

Tianjin Medical University Cancer Institute and Hospital, Tianjin, China

Hubei Cancer Hospital, Wuhan, China

Institut Sainte Catherine, Avignon, France

Hopital Claude Huriez, Lille, France

Hopital Prive Jean Mermoz, Lyon, France

Institut du Cancer de Montpellier, Montpellier, France

CHU Nantes, Nantes, France

Hopital Saint Antoine, Paris, France

Hopital Haut Leveque, Pessac, France

CHU De Poitiers, Poitiers, France

Gustave Roussy, Villejuif, France

Charite Universitatsmedizin Berlin Campus Virchow Klinikum, Berlin, Germany

Universitaetsklinikum Carl Gustav Carus TU Dresden, Dresden, Germany

Essen University Hospital, Essen, Germany

Krankenhaus NorthWest, Frankfurt am Main, Germany

Praxis fur interdisziplinare Onkologie & Hamatologie GbR, Freiburg im Breisgau, Germany

Asklepios Klinik Altona, Hamburg, Germany

National Center for Tumor Diseases NCT, Heidelberg, Germany

Universitatsmedizin der Johannes Gutenberg Universitat Mainz, Mainz, Germany

Klinikum der Universitaet Muenchen, Munich, Germany

Universitatsklinikum Ulm, Ulm, Germany

Semmelweis Egyetem, Budapest, Hungary

Markhot Ferenc Oktatokorhaz es Rendelointezet, Eger, Hungary

Pecsi Tudomanyegyetem, Pécs, Hungary

Szegedi Tudomanyegyetem, Szeged, Hungary

Rajiv Gandhi Cancer Institute and Research Centre, Delhi, India

B P Poddar Hospital and Medical research Limited, Kolkata, India

Tata Memorial Hospital, Mumbai, India

Deenanath Mangeshkar Hospital and Research Centre, Pune, India

Mahamana Pandit Madan Mohan Malviya Cancer Centre, Varanasi, India

Yitzhak Shamir Medical Center, Beer Yaakov, Israel

Rambam Medical Center, Haifa, Israel

Hadassah University Hospita Ein Kerem, Jerusalem, Israel

Rabin Medical Center, Petah Tikva, Israel

Sheba Medical Center, Ramat Gan, Israel

Tel Aviv Sourasky Medical Center, Tel Aviv, Israel

Assuta MC, Tel Aviv, Israel

Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori, Meldola, Italy

Istituto Dei Tumori Di Milano, Milan, Italy

Istituto Oncologico Veneto - IRCCS, Padova, Italy

Azienda Ospedaliero Universitaria Pisana, Pisa, Italy

Istituto Clinico Humanitas, Rozzano, Italy

Chiba Cancer Center, Chiba, Japan

National Cancer Center Hospital, Chūōku, Japan

National Cancer Center Hospital East, Kashiwa, Japan

Aichi Cancer Center, Nagoya, Japan

National Hospital Organization Osaka National Hospital, Osaka, Japan

Osaka International Cancer Institute, Osaka, Japan

Shizuoka Cancer Center, Shizuoka, Japan

The University of Osaka Hospital, Suita, Japan

The Cancer Institute Hospital of JFCR, Tokyo, Japan

Hospital Canselor Tuanku Muhriz UKM, Cheras, Malaysia

Hospital Pulau Pinang, George Town, Malaysia

Hospital Raja Permaisuri Bainun, Ipoh, Malaysia

Hospital Kuala Lumpur, Kuala Lumpur, Malaysia

University Malaya Medical Centre, Kuala Lumpur, Malaysia

Hospital Umum Sarawak, Kuching, Malaysia

National Cancer Institute, Putrajaya, Malaysia

Meander Medisch Centrum, Amersfoort, Netherlands

Antoni van Leeuwenhoek, Amsterdam, Netherlands

Radboud University Medical Center, Nijmegen, Netherlands

Erasmus MC, Rotterdam, Netherlands

Elisabeth-TweeSteden Ziekenhuis, Tilburg, Netherlands

UMC Utrecht, Utrecht, Netherlands

Bialostockie Centrum Onkologii im Marii Sklodowskiej Curie w Bialymstoku, Bialystok, Poland

Wojewodzki Szpital Specjalistyczny, Biała Podlaska, Poland

Szpital Specjalistyczny w Brzozowie Podkarpacki Osrodek Onkologiczny im Ks B Markiewicza, Brzozów, Poland

Uniwersyteckie Centrum Kliniczne, Gdansk, Poland

Narodowy Instytut Onkologii im Marii Sklodowskiej Curie Panstwowy Instytut BadawczyOddz w Gliwicach, Gliwice, Poland

Instytut Centrum Zdrowia Matki Polki, Lodz, Poland

Szpital Kliniczny MSWiA z WMCO, Olsztyn, Poland

SPZOZ Opolskie Centrum Onkologii im. Prof. Tadeusza Koszarowskiego, Opole, Poland

Narodowy Instytut Onkologii im Marii Sklodowskiej Curie Panstwowy Instytut Badawczy, Warsaw, Poland

Pan American Center for Oncology Trials LLC, Barrio Monacillos, Puerto Rico

Kyungpook National University Chilgok Hospital, Daegu, South Korea

Seoul National University Hospital, Seoul, South Korea

Severance Hospital Yonsei University Health System, Seoul, South Korea

Asan Medical Center, Seoul, South Korea

Samsung Medical Center, Seoul, South Korea

The Catholic University of Korea Seoul St Marys Hospital, Seoul, South Korea

Hosp. de La Santa Creu I Sant Pau, Barcelona, Spain

Hosp Univ Vall D Hebron, Barcelona, Spain

Hosp. Gral. Univ. Gregorio Maranon, Madrid, Spain

Hosp. Univ. Ramon Y Cajal, Madrid, Spain

Hosp. Univ. 12 de Octubre, Madrid, Spain

Clinica Univ. de Navarra, Pamplona, Spain

Hosp. Virgen Del Rocio, Seville, Spain

Hosp. Clinico Univ. de Valencia, Valencia, Spain

Sahlgrenska University Hospital, Gothenburg, Sweden

Skanes universitetssjukhus, Lund, Sweden

Sodersjukhuset, Stockholm, Sweden

Karolinska Universitetssjukhuset, Stockholm, Sweden

Uppsala University, Uppsala, Sweden

Kaohsiung Medical University Chung Ho Memorial Hospital, Kaohsiung City, Taiwan

Kaohsiung Chang Gung Memorial Hospital, Kaohsiung City, Taiwan

National Cheng Kung University Hospital, Tainan, Taiwan

National Taiwan University Hospital, Taipei, Taiwan

Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan

Adana City Hospital, Adana, Turkey (Türkiye)

Gulhane Egitim ve Arastirma Hastanesi, Ankara, Turkey (Türkiye)

Dr Abdurrahman Yurtaslan Oncology Training and Research Hospital, Ankara, Turkey (Türkiye)

Gazi Universitesi Hastanesi, Ankara, Turkey (Türkiye)

Ankara Bilkent Sehir Hastanesi, Ankara, Turkey (Türkiye)

Bakirkoy Training and Research Hospital, Istanbul, Turkey (Türkiye)

Marmara Universitesi Pendik Egitim ve Arastirma Hastanesi, Istanbul, Turkey (Türkiye)

Necmettin Erbakan Universitesi Tip Fakultesi Hastanesi, Konya, Turkey (Türkiye)

Sakarya University Training and Research Hospital, Sakarya, Turkey (Türkiye)

Birmingham Heartlands Hospital, Birmingham, United Kingdom

Addenbrooke's Hospital, Cambridge, United Kingdom

Western General Hospital, Edinburgh, United Kingdom

Castle Hill Hospital, Hull, United Kingdom

St James University Hospital, Leeds, United Kingdom

St Bartholomew's Hospital, London, United Kingdom

University College Hospital, London, United Kingdom

Mount Vernon Cancer Centre, Northwood, United Kingdom

Royal Marsden Hospital (Sutton), Sutton, United Kingdom