NORTH CHICAGO - AbbVie (NYSE: ABBV) today announced updates from the U.S. Food and Drug Administration (FDA) and European Medicines Agency (EMA) for epcoritamab, an investigational T-cell engaging bispecific antibody administered subcutaneously, for relapsed or refractory (R/R) follicular lymphoma (FL).

The FDA has granted Breakthrough Therapy Designation (BTD) to epcoritamab-bysp (EPKINLY) for the treatment of adult patients with R/R FL after two or more therapies. Additionally, the EMA has validated a Type II application for epcoritamab (TEPKINLY) for the same indication. If approved, R/R FL would become the second conditionally approved indication for epcoritamab in the European Union.

'The FDA granted BTD and validated European application are an important step in our commitment to improving the lives of patients with relapsed/refractory follicular lymphoma, a complex blood cancer with limited treatment options,' said Mariana Cota Stirner, M.D., Ph.D., vice president, therapeutic area head for hematology, AbbVie. 'Together with Genmab, we are continuing to investigate epcoritamab as a potential core therapy for multiple B-cell malignancies, including diffuse large B-cell lymphoma and now follicular lymphoma.'

These updates were supported by previously announced results from the Phase 1/2 EPCORE NHL-1 clinical trial evaluating the safety and preliminary efficacy of subcutaneous epcoritamab in 128 adult patients with relapsed, progressive or refractory CD20+ mature B-cell non-Hodgkin's lymphoma (NHL), including FL. Data from the FL cohort of the trial, including an optimized dosing schedule allowing for outpatient administration, will be presented at the upcoming Annual Meeting and Exposition of the American Society of Hematology (ASH) in December 2023.

BTD may expedite the development and review of investigational medicines by the FDA for serious or life-threatening diseases in cases where preliminary clinical evidence shows that a therapy may provide substantial improvements over available therapies.1 EMA validation confirms that the submitted regulatory application is complete and initiates the scientific review process by the EMA's Committee for Medicinal Products for Human Use (CHMP).

FL is typically an indolent, or slow-growing, form of NHL that arises from B-cell lymphocytes.2 It is the second most common form of NHL overall, accounting for 20 percent to 30 percent of all NHL cases globally.3 Although FL is an indolent lymphoma, it is considered incurable with current standard of care therapies.

Epcoritamab is being co-developed by AbbVie and Genmab 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.

About the Phase 1/2 EPCORE NHL-1 Trial

EPCORE NHL-1 is an open-label, multi-center safety and preliminary efficacy trial of epcoritamab that consists of three parts: a Phase 1 first-in-human, dose escalation part; a Phase 2a expansion part and a Phase 2a dose optimization part. The trial was designed to evaluate subcutaneous epcoritamab in adult patients with relapsed, progressive or refractory CD20+ mature B-cell non-Hodgkin's lymphoma (NHL), including follicular lymphoma (FL).

In the Phase 2a expansion part, additional patients are being enrolled to further explore the safety and efficacy of epcoritamab in three cohorts of patients with different types of relapsed or refractory (R/R) B-cell NHLs who have limited therapeutic options. The dose optimization part evaluates the potential for alternative step-up dosing regimens to help further minimize Grade 2 cytokine release syndrome (CRS) and mitigate Grade 3 CRS. The application for BTD included additional data from this cohort of patients. The primary endpoint of the expansion part was overall response rate as assessed by an independent review committee. Secondary efficacy endpoints included duration of response, complete response rate, duration of complete response, progression-free survival, and time to response as determined by the Lugano criteria. Overall survival, time to next therapy, and rate of minimal residual disease negativity were also evaluated as secondary efficacy endpoints.

About Epcoritamab

Epcoritamab is an investigational IgG1-bispecific antibody created using Genmab's proprietary DuoBody technology and administered subcutaneously. Genmab's DuoBody-CD3 technology is designed to direct cytotoxic T cells selectively to elicit an immune response toward 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.6

Epcoritamab (approved under the brand name EPKINLY in the United States and TEPKINLY in the European Union) has received regulatory approval in adults with certain types of large B-cell lymphoma (LBCL), including diffuse large B-cell lymphoma (DLBCL), globally. EPKINLY is approved under the FDA's Accelerated Approval program based on response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in confirmatory trials. Use of epcoritamab in FL is not approved in the U.S. or in the EU. AbbVie will continue to pursue regulatory submissions for epcoritamab across international markets.

Genmab and AbbVie continue to evaluate the use of epcoritamab as a monotherapy, and in combination, across lines of therapy in a range of hematologic malignancies. This includes three ongoing Phase 3, open-label, randomized trials including a trial evaluating epcoritamab as a monotherapy in patients with R/R DLBCL (NCT: 04628494) compared to investigator's choice chemotherapy, a Phase 3 trial evaluating epcoritamab in combination with R-CHOP in adult patients with newly diagnosed DLBCL (NCT: 05578976), and a Phase 3 clinical trial evaluating epcoritamab in combination with rituximab and lenalidomide (R2) in patients with R/R FL (NCT: 05409066). Epcoritamab is not approved to treat patients with newly diagnosed DLBCL or with FL. The safety and efficacy of epcoritamab has not been established for these investigational uses.

About AbbVie in Oncology

At AbbVie, we are committed to transforming standards of care for multiple blood cancers while advancing a dynamic pipeline of investigational therapies across a range of cancer types. Our dedicated and experienced team joins forces with innovative partners to accelerate the delivery of potential breakthrough medicines. We are evaluating more than 20 investigational medicines in over 300 clinical trials across some of the world's most widespread and debilitating cancers. As we work to have a remarkable impact on people's lives, we are committed to exploring solutions to help patients obtain access to our cancer medicines.

About AbbVie

AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a remarkable impact on people's lives across several key therapeutic areas immunology, oncology, neuroscience, and eye care and products and services in our Allergan Aesthetics portfolio.

AbbVie Forward-Looking Statements

Some statements in this news release are, or may be considered, forward-looking statements for purposes of the Private Securities Litigation Reform Act of 1995. The words 'believe,' 'expect,' 'anticipate,' 'project' and similar expressions and uses of future or conditional verbs, generally identify forward-looking statements. AbbVie cautions that these forward-looking statements are subject to risks and uncertainties that may cause actual results to differ materially from those expressed or implied in the forward-looking statements. Such risks and uncertainties include, but are not limited to, challenges to intellectual property, competition from other products, difficulties inherent in the research and development process, adverse litigation or government action, and changes to laws and regulations applicable to our industry. Additional information about the economic, competitive, governmental, technological and other factors that may affect AbbVie's operations is set forth in Item 1A, 'Risk Factors,' of AbbVie's 2022 Annual Report on Form 10-K, which has been filed with the Securities and Exchange Commission, as updated by its subsequent Quarterly Reports on Form 10-Q. AbbVie undertakes no obligation, and specifically declines, to release publicly any revisions to forward-looking statements as a result of subsequent events or developments, except as required by law.

Contact:

Dana Harville

Tel: +1 847-935-0580

Gabrielle Tarbert

Tel: +1-224-244-0111

Email: gabrielle.tarbert@abbvie.com

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