On June 30, 2022 Genmab A/S (Nasdaq: GMAB) reported its intent to submit a biologics license application (BLA) to the U.S. Food and Drug Administration (FDA) for subcutaneous epcoritamab (DuoBody-CD3xCD20), an investigational bispecific antibody, for the treatment of patients with relapsed/refractory large B-cell lymphoma (LBCL), in the second half of 2022 (Press release, Genmab, JUN 30, 2022, View Source [SID1234616408]).

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The BLA submission is supported by results from the large b-cell lymphoma (LBCL) cohort of the pivotal EPCORE NHL-1 open-label, multi-center trial evaluating the safety and preliminary efficacy of epcoritamab in patients with relapsed, progressive or refractory CD20+ mature B-cell non-Hodgkin lymphoma (B-NHL). In April 2022, Genmab and AbbVie announced the topline results from EPCORE NHL-1 trial. In June 2022, primary results were presented in a late-breaking oral presentation as part of the Presidential Symposium at the 27th Annual Meeting of the European Hematology Association (EHA) (Free EHA Whitepaper) (EHA2022) in Vienna, Austria.

"Relapsed or refractory large B-cell lymphoma is often difficult to treat, and patients are in need of novel therapies that are effective, tolerable and accessible," said Jan van de Winkel, Ph.D., Chief Executive Officer of Genmab. "The results from the EPCORE NHL-1 trial, and other clinical trials evaluating epcoritamab in a variety of patients and treatment settings, have demonstrated that epcoritamab has the potential to offer people living with LBCL a new therapeutic advance with a manageable safety profile."

Epcoritamab is being co-developed by Genmab and AbbVie as part of the companies’ oncology collaboration. The companies are committed to evaluating epcoritamab as a monotherapy, and in combination, across lines of therapy in a range of hematologic malignancies, including an ongoing phase 3, open-label, randomized trial evaluating epcoritamab as a monotherapy in patients with relapsed/refractory DLBCL (NCT: 04628494).

About Large B-cell Lymphoma (LBCL)
LBCL is a fast-growing type of non-Hodgkin’s lymphoma (NHL), a cancer that develops in the lymphatic system and affects B-cell lymphocytes, a type of white blood cell. There are an estimated 150,000 new LBCL cases each year globally. LBCL includes DLBCL, which is the most common type of NHL worldwide and accounts for approximately 31 percent of all NHL cases.i,ii,iii,iv

About the EPCORE NHL-1 Trial
EPCORE NHL-1 is an open-label, multi-center safety and preliminary efficacy trial of epcoritamab including a phase 1 first-in-human, dose escalation part; a phase 2 expansion part; and an optimization part. The trial was designed to evaluate subcutaneous epcoritamab in patients with relapsed, progressive or refractory CD20+ mature B-NHL, including LBCL and DLBCL. Data from the dose escalation part of the study, which determined the recommended phase 2 dose, were published in The Lancet in 2021. In the phase 2 expansion part, additional patients are treated with epcoritamab to further explore the safety and efficacy of epcoritamab in patients with different types of relapsed/refractory B-NHLs who had limited therapeutic options.

The primary endpoint of the phase 2 expansion part was overall response rate (ORR) as assessed by an IRC. Secondary efficacy endpoints included duration of response, complete response rate, progression-free survival, overall survival, time to response, time to next therapy, and rate of minimal residual disease negativity.

About Epcoritamab
Epcoritamab is an investigational IgG1-bispecific antibody created using Genmab’s proprietary DuoBody technology. Genmab’s DuoBody-CD3 technology is designed to direct cytotoxic T cells selectively to elicit an immune response towards target cell types. Epcoritamab is designed to simultaneously bind to CD3 on T cells and CD20 on B-cells and induces T cell mediated killing of CD20+ cells.v CD20 is expressed on B-cells and a clinically validated therapeutic target in many B-cell malignancies, including diffuse large B-cell lymphoma, follicular lymphoma, mantle cell lymphoma and chronic lymphocytic leukemia.vi,vii