Genmab announced that the company has submitted 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) after two or more lines of systemic therapy.
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Additionally, Genmab announced that AbbVie submitted a Marketing Authorization Application (MAA) for epcoritamab for the treatment of patients with relapsed/refractory diffuse large B-cell lymphoma (DLBCL) after two or more lines of systemic therapy, which has been validated by the European Medicines Agency (EMA).
The regulatory submissions are supported by previously announced results from the LBCL cohort of the pivotal EPCORE NHL-1 open-label, multi-center phase 2 clinical 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), including DLBCL.
These results were presented in a late-breaking oral presentation as a part of the Presidential Symposium at the 27th Annual Meeting of the European Hematology Association (EHA2022), on June 11, 2022, in Vienna, Austria.
Epcoritamab is being co-developed by Genmab and AbbVie as part of the companies' oncology collaboration. The companies will share commercial responsibilities in the U.S. and Japan, with AbbVie responsible for further global commercialization.
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 clinical trial evaluating epcoritamab as a monotherapy in patients with relapsed/refractory DLBCL (NCT: 04628494) and a phase 3, open-label clinical trial evaluating epcoritamab in combination in patients with relapsed/refractory follicular lymphoma (FL) (NCT: 05409066).
Large B-cell lymphoma (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. Diffuse large B-cell lymphoma (DLBCL) is a fast-growing type of NHL3 and the most common type of NHL worldwide, accounting for approximately 31 percent of all NHL cases.2 DLBCL can arise in lymph nodes as well as in organs outside of the lymphatic system, occurs more commonly in the elderly and is slightly more prevalent in men.
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.
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.4 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. ■