A Study to Learn How Safe and Tolerable Odronextamab and Cemiplimab Are in Adult Patients With B-cell Malignancies

Description

This study is researching a combination of 2 experimental drugs, referred to as "study drugs", called odronextamab (also known as REGN1979) and cemiplimab (also known as REGN2810). The study is focused on patients who have relapse/refractory aggressive B-cell lymphoma. The aim of the study is to see how safe and tolerable the study drugs are, and to define the recommended dose regimen for the combination with odronextamab. This study is also looking at several other research questions, including: * What side effects may happen from taking the study drugs * How effective the study drugs are against the disease * How much study drug is in the blood at different times * Whether the body makes substances or protein called antibodies against the study drugs (that could make the drugs less effective or could lead to side effects)

Conditions

Relapsed/Refractory Aggressive B-Cell Lymphoma

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Study Overview

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Study Details

Study overview

This study is researching a combination of 2 experimental drugs, referred to as "study drugs", called odronextamab (also known as REGN1979) and cemiplimab (also known as REGN2810). The study is focused on patients who have relapse/refractory aggressive B-cell lymphoma. The aim of the study is to see how safe and tolerable the study drugs are, and to define the recommended dose regimen for the combination with odronextamab. This study is also looking at several other research questions, including: * What side effects may happen from taking the study drugs * How effective the study drugs are against the disease * How much study drug is in the blood at different times * Whether the body makes substances or protein called antibodies against the study drugs (that could make the drugs less effective or could lead to side effects)

A Phase 1 Study to Assess Safety and Tolerability of Odronextamab (REGN1979) an Anti-CD20 x Anti-CD3 Bispecific Monoclonal Antibody, and Cemiplimab (REGN2810), an Anti-Programmed Death-1 Monoclonal Antibody in Patients With B-Cell Malignancies (CLIO-1)

A Study to Learn How Safe and Tolerable Odronextamab and Cemiplimab Are in Adult Patients With B-cell Malignancies

Condition
Relapsed/Refractory Aggressive B-Cell Lymphoma
Intervention / Treatment

-

Contacts and Locations

Santa Monica

University of California Los Angeles Medical Center, Santa Monica, California, United States, 90404

Baltimore

Johns Hopkins University, Baltimore, Maryland, United States, 21205

Boston

Dana Farber/Harvard Cancer Center - PO box 849168, Boston, Massachusetts, United States, 02215

Boston

Harvard Medical School - Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States, 02215

Grand Rapids

Cancer & Hematology Centers of Western Michigan, Grand Rapids, Michigan, United States, 49546

Lebanon

Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire, United States, 03756

New York

New York Presbyterian Hospital - Weill-Cornell, New York, New York, United States, 10065

Cleveland

University Hospitals Cleveland Medical Center, Cleveland, Ohio, United States, 44106

Cleveland

Cleveland Clinic Foundation, Cleveland, Ohio, United States, 44195

Philadelphia

Penn Medicine: University of Pennsylvania Health System, Philadelphia, Pennsylvania, United States, 19104

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • 1. Have documented CD20+ aggressive B-cell NHL that is either not responsive to or relapsed after at least 2 prior lines of systemic therapy, for whom treatment with an anti-CD20 antibody may be appropriate. In addition, prior treatments should at least contain an anti-CD20 antibody and an alkylating agent.
  • 2. Must have at least 1 nodal lesion (≥1.5 cm), or at least one extranodal lesion with longest transverse diameter (LDi) greater than 1.0 cm, documented by diagnostic imaging (computed tomography \[CT\] or magnetic resonance imaging \[MRI\]).
  • 3. Eastern Cooperative Oncology Group (ECOG) performance status ≤1
  • 4. Adequate bone marrow and hepatic function, as defined in the protocol
  • 5. Willing and able to comply with clinic visits and study-related procedures
  • 6. Provide signed informed consent
  • 1. Primary central nervous system (CNS) lymphoma, or known or suspected CNS involvement by non-primary CNS NHL
  • 2. History of or current relevant CNS pathology, as described in the protocol
  • 3. Ongoing or recent (within 2 years) evidence of significant autoimmune disease that required treatment with systemic immunosuppressive treatments, which may suggest risk for immune-mediated adverse events (iAEs)
  • 4. Prior therapies, as described in the protocol
  • 5. Uncontrolled infection with human immunodeficiency virus (HIV), hepatitis B or hepatitis C infection or other uncontrolled infection
  • 6. Cytomegalovirus infection as noted by detectable levels on peripheral blood polymerase chain reaction (PCR) assay until the infection is well controlled.
  • 7. Known hypersensitivity to both allopurinol and rasburicase
  • 8. Pregnant or breastfeeding women
  • 9. Women of childbearing potential, or men who are unwilling to practice highly effective contraception prior to the initial dose/start of the first treatment, during the study, and for at least 6 months after the last dose, as defined in the protocol
  • 10. Patients prior diagnosis of hemophagocytic lymphohistiocytosis (HLH) or macrophage activation syndrome (MAS)

Ages Eligible for Study

18 Years to

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

No

Collaborators and Investigators

Regeneron Pharmaceuticals,

Clinical Trial Management, STUDY_DIRECTOR, Regeneron Pharmaceuticals

Study Record Dates

2026-12-25