A Trial to Find Out if Odronextamab Combined With Lenalidomide is Safe and Works Better Than Rituximab Combined With Lenalidomide in Adult Participants With Follicular Lymphoma and Marginal Zone Lymphoma

David Geffen School of Medicine at UCLA, Los Angeles, California, United States

Boca Raton Clinical Research (BRCR) Global, Plantation, Florida, United States

Indiana University and Comprehensive Cancer Center, Indianapolis, Indiana, United States

Hattiesburg Clinic, Hattiesburg, Mississippi, United States

Dartmouth Cancer Center, Lebanon, New Hampshire, United States

Stony Brook University Hospital, Stony Brook, New York, United States

Clinical Research Alliance Inc, Westbury, New York, United States

Prohealth Care Inc, Waukesha, Wisconsin, United States

Liverpool Hospital, Liverpool, New South Wales, Australia

Calvary Mater Newcastle, Waratah, New South Wales, Australia

Pindara Private Hospital, Benowa, Queensland, Australia

Royal Hobart Hospital, Hobart, Tasmania, Australia

Epworth Freemasons, East Melbourne, Victoria, Australia

Ordensklinikum Linz, Linz, Osterreich, Austria

Kepler University Hospital, Linz, Upper Austria, Austria

Medical University Vienna, Vienna, Austria

Klinikum Wels-Grieskirchen, Wels, Austria

Centre Hospitalier Universitaire at Universite Catholique de Louvain Namur, Yvoir, Namur, Belgium

Universitair Ziekenhuis (UZ) Gent/ Ghent University Hospital, Ghent, Oost-Vlaanderen, Belgium

Algemeen Ziekenhuis AZ Delta, Roeselare, West-Vlaanderen, Belgium

Ziekenhuis Netwerk Antwerpen Stuivenberg, Antwerp, Belgium

Institut Jules Bordet, Brussels, Belgium

Hospital Sao Rafael, Salvador, Estado de Bahia, Brazil

Hospital Sirio Libanes Brasilia, Brasília, Federal District, Brazil

Uopeccan Hospital do Cancer de Cascavel, Cascavel, Paraná, Brazil

Hospital Erasto Gaertner, Curitiba, Paraná, Brazil

Hospital de Clinicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil

Centro Gaucho Integrado, Porto Alegre, Rio Grande do Sul, Brazil

Amaral Carvalho Hospital, Jaú, São Paulo, Brazil

Instituto Nacional de Cancer Jose Alencar Gomes da Silva, Rio de Janeiro, Brazil

Hospital Sirio Libanes, São Paulo, Brazil

A Beneficencia Portuguesa de Sao Paulo, Oncology House, São Paulo, Brazil

University Hospital Hradec Kralove, Hradec Králové, East Bohemia, Czechia

Fakultni Nemocnice Brno, Brno, Czechia

University Hospital Kralovske Vinohrady, Prague, Czechia

Vseobecna Fakultni Nemocnice V Praze, Prague, Czechia

Institut Paoli-Calmettes, Marseille, Bouches Du Rhone, France

CHU de Rennes, Rennes, Brittany Region, France

Centre Hospitalier Regional Universitaire de Tours, Tours, Centre-Val de Loire, France

Polyclinique Bordeaux Nord Aquitaine, Bordeaux, Gironde, France

Centre Francois Magendie, Pessac, Gironde, France

Hopital Saint Vincent-de-Paul, Lille, Nord, France

Centre Henri Becquerel, Rouen, Normandy, France

Nantes University Hospital, Nantes, Pays de la Loire Region, France

Centre Hospitalier Metropole Savoie, Chambéry, Savoie, France

Centre Hospitalier d'Avignon, Avignon, France

Centre Hospitalier Universitaire (CHU) Montpellier, Montpellier, France

Hopital Saint Louis, Paris, France

Assistance Publique-Hopitaux de Paris (AP-HP), Paris, France

Institut Curie, Saint-Cloud, France

Hopital Victor Dupouy Argenteuil, Argenteuil, Île-de-France Region, France

Avicenne Hospital, Bobigny, Île-de-France Region, France

Gustave Roussy, Villejuif, Île-de-France Region, France

Stauferklinikum, Mutlangen, Baden-Wurttemberg, Germany

Robert-Bosch-Krankenhaus, Stuttgart, Baden-Wurttemberg, Germany

LMU Klinikum, Munich, Bavaria, Germany

TUM Fakultat fur Medizin - Klinikum Rechts der Isar, Munich, Bavaria, Germany

Clinic Frankfurt (Oder), Frankfurt am Main, Hesse, Germany

Universitatsmedizin der Johannes-Gutenberg Universitat Mainz, Mainz, Rhineland-Palatinate, Germany

University Hospital Halle Saale, Halle, Germany

Stadtisches Krankenhaus Kiel, Kiel, Germany

MVZ fuer Haematologie und Onkologie Rhein-Kreis GmbH, Neuss, Germany

Assuta Ashdod Medical Center, Ashdod, Israel

Hadassah Medical Center, Jerusalem, Israel

Galilee Medical Center, Nahariya, Israel

Rabin Medical Center, Petah Tikva, Israel

Chaim Sheba Medical Center, Ramat Gan, Israel

The Tel Aviv Sourasky Medical Center, Tel Aviv, Israel

Assuta Medical Centers, Tel Aviv, Israel

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

Ospedale Policlinico San Martino IRCCS, Genoa, Genova, Italy

S Gerardo Hospital, Monza, Monza E Brianza, Italy

A.O.U. Citta della Salute e della Scienza di Torino, Turin, Piedmont, Italy

Centro Di Riferimento Oncologico (CRO), Aviano, National Cancer Institute, Aviano, Pordenone, Italy

Candiolo Cancer Institute, FPO, IRCCS, Candiolo, Torino, Italy

University of Bologna Dipartimento di Medicina Specialistica Diagnostica e Sperimentale, Bologna, Italy

Azienda Ospedaliera Spedali Civili di Brescia, Brescia, Italy

ASST Grande Ospedale Metropolitano Niguarda - Main Address, Milan, Italy

Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy

Istituto Europeo di Oncologia, Milan, Italy

A.O.U. di Modena, Modena, Italy

Federico II University, Naples, Italy

AOU Maggiore della Carita, Novara, Italy

Fondazione IRCCS Policlinico San Matteo, Pavia, Italy

Azienda Ospedaliera di Perugia, Perugia, Italy

Ospedale Santa Maria delle Croci, Ravenna, Italy

Santa Maria della Misericordia, Udine, Italy

Hospital Sultanah Aminah Jhor Bahru, Johor Bahru, Johor, Malaysia

University of Malaya Medical Centre, Kuala Lumpur, Negeri / Wilayah Persekutuan, Malaysia

Hospital Queen Elizabeth, Kota Kinabalu, Sabah, Malaysia

Hospital Ampang, Ampang, Selangor, Malaysia

Subang Jaya Medical Center, Subang Jaya, Selangor, Malaysia

Specjalistyczny Szpital im A. Sokolowskiego w Walbrzychu, Wałbrzych, Lower Silesian Voivodeship, Poland

Uniwersytecki Szpital Kliniczny, Wroclaw, Lower Silesian Voivodeship, Poland

Uniwersytecki Szpital Kliniczny Nr 4 w Lublinie, Centrum Innowacyjnych Terapii, Lublin, Lublin Voivodeship, Poland

Pratia MCM Krakow, Krakow, Malopolska, Poland

Uniwersyteckie Centrum Kliniczne, Gdansk, Pomeranian Voivodeship, Poland

Pratia Poznan Medical Center, Poznan, Wielkopolska, Poland

Aidport, Skorzewo, Wielkopolska, Poland

Szpital Uniwersytecki Nr2 Bydgoszcz, Bydgoszcz, Poland

Pratia Onkologia Katowice, Katowice, Poland

Wojewodzkie Wielospecjalistyczne Centrum Onkologii i Traumatologii im. Mikolaja Kopernika w Lodzi (Copernicus Memorial Hospital), Lodz, Poland

Narodowy Instytut Onkologii, Warsaw, Poland

St. Vincents Hospital - The Catholic University of Korea, Suwon, Gyeonggi-do, South Korea

Jeonbuk National University Hospital, Jeonju, Jeollabuk, South Korea

Gachon University Gil Medical Center, Incheon, Namdong-Gu, South Korea

Inje University Busan Paik Hospital, Busan, South Korea

Pusan National University Hospital, Busan, South Korea

Yeyungnam University Medical Center, Daegu, South Korea

Yonsei University Health System, Seoul, South Korea

Asan Medical Center, Seoul, South Korea

Samsung Medical Center, Seoul, South Korea

Yeouido St. Marys Hospital, Seoul, South Korea

Seoul St Marys Hospital, Seoul, South Korea

Seoul National University Hospital, Seoul, South Korea

Ulsan University Hospital, Ulsan, South Korea

University Hospital of Santiago de Compostela, Santiago de Compostela, A Coruna, Spain

Son Espases University Hospital, Palma, Balearic Islands, Spain

Institut Catala d'Oncologia, L'Hospitalet de Llobregat, Barcelona, Spain

Hospital Universitario Marques de Valdecilla, Santander, Cantabria, Spain

Hospital Universitario Quironsalud Madrid, Pozuelo de Alarcón, Madrid, Spain

Hospital Universitario Central de Asturias, Oviedo, Principality of Asturias, Spain

University Hospital Vall d'Hebron, Barcelona, Spain

Hospital Clinic de Barcelona, Barcelona, Spain

Hospital de la Santa Creu i Sant Pau, Barcelona, Spain

Hospital Virgen De Las Nieves De Granada, Granada, Spain

Hospital Universitario Ramon y Cajal, Madrid, Spain

Fundacion Jimenez Diaz University Hospital, Madrid, Spain

Hospital Universitario12 de Octubre, Madrid, Spain

Hospital Universitario HM Sanchinarro, Madrid, Spain

Hospital Universitario de Salamanca, Salamanca, Spain

University Hospital Virgen del Rocio, Seville, Spain

Instituto Valenciano de Oncologia, Valencia, Spain

University Hospital Doctor Peset, Valencia, Spain

Chang Gung Medical Foundation Chia Yi Branch, Buzi, Chiayi County, Taiwan

Changhua Christian Hospital, Changhua, Taiwan

Show Chwan Memorial Hospital, Changhua, Taiwan

Kaohsiung Medical University Hospital, Kaohsiung City, Taiwan

Chang Gung Memorial Hospital Kaohsiung, Kaohsiung City, Taiwan

Taipei Medical University - Shuang Ho Hospital, New Taipei City, Taiwan

National Cheng Kung University Hospital, Tainan, Taiwan

National Taiwan University Hospital, Taipei, Taiwan

Taipei Veterans General Hospital, Taipei, Taiwan

Tri-Service General Hospital, Taipei, Taiwan

Taipei Municipal Wan Fang Hospital, Taipei, Taiwan

Chang Gung Memorial Hospital, Taoyuan City, Taiwan

Chulalongkorn University, Bangkok, Krung Thep Maha Nakhon [Bangko], Thailand

Sriraj Hospital, Bangkok, Thailand

Chiang Mai University, Chiang Mai, Thailand

Ankara University Faculty of Medicine, Mamak, Ankara, Turkey (Türkiye)

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

Gazi University, Ankara, Central Anatolia, Turkey (Türkiye)

VM Medical Park Mersin Hospital, Mezitli, Mersin, Turkey (Türkiye)

Tekirdag Namik Kemal University Hospital, Tekirdağ, Suleymanpasa, Turkey (Türkiye)

Istanbul University, Istanbul Medical Faculty, Istanbul, Turkey (Türkiye)

Ege University, Izmir, Turkey (Türkiye)

Dokuz Eylul University, Izmir, Turkey (Türkiye)

Sakarya University Medical Faculty, Sakarya, Turkey (Türkiye)

Ondokuz Mayıs University, Samsun, Turkey (Türkiye)

Zonguldak Bulent Ecevit University, Zonguldak, Turkey (Türkiye)

Royal Cornwall Hospitals NHS Trust, Truro, Cornwall, United Kingdom

Derriford Hospital and the Royal Eye Infirmary, Plymouth, Devon, United Kingdom

University Hospitals Dorset, Bournemouth, Dorset, United Kingdom

Salisbury Foundation Trust, Salisbury, Hampshire, United Kingdom

The Hillingdon Hospital, Uxbridge, Middlesex, United Kingdom

The Royal Marsden NHS Foundation Trust, Sutton, Surrey, United Kingdom

James Paget University Hospitals NHS Foundation Trust, Great Yarmouth, United Kingdom

Barking, Havering and Redbridge University Hospitals NHS Trust, Romford, United Kingdom

South Warwickshire NHS Foundation Trust, Warwick, United Kingdom