Eisai Presents New Findings for Antibody Drug Conjugate Farletuzumab Ecteribulin at 2022 ASCO Annual Meeting – QNT Press Release




Poster Discussion Features Investigational Safety and Efficacy Data from the Platinum-Resistant Ovarian Cancer Cohort Expansion of a Phase 1 Study Evaluating Farletuzumab Ecteribulin (MORAb-202) in Solid Tumors (Abstract: #5513)

Poster Presentation Features Analyses Based on PK/PD Modeling/Simulations for Dose Optimization of Farletuzumab Ecteribulin Including Findings for Body Surface Area-Based Dosing (Abstract: #3090)


TOKYO, June 6, 2022 – (JCN Newswire) – Eisai Co., Ltd. announced today new investigational data from the platinum-resistant ovarian cancer (PROC) cohort expansion of a Phase 1 study (Study 101) evaluating the antibody the drug conjugate ( ADC) co-developed by Eisai and Bristol Myers Squibb, farletuzumab ecteribulin (MORAb-202). The safety and efficacy findings are being featured in a poster discussion at the 2022 American Society of Clinical Oncology (ASCO) Annual Meeting (#ASCO22), a hybrid meeting in Chicago from June 3 to 7 (NCT03386942; Abstract: #5513). Farletuzumab ecteribulin is composed of Eisai’s in-house developed farletuzumab, a humanized IgG1 monoclonal antibody that binds to the folate receptor alpha (FRalpha), and Eisai’s anticancer agent eribulin, a microtubule dynamics inhibitor, using an enzymatically cleavable linker.

“We are encouraged by the clinical safety and efficacy results, as measured by the preliminary antitumor activity observed in patients with platinum-resistant ovarian cancer being treated with each dose of farletuzumab ecteribulin, and with varying levels of folate receptor alpha expression,” said Shin Nishio, MD, PhD, Principal Investigator and Associate Professor, Department of Obstetrics and Gynecology, Kurume University School of Medicine, Fukuoka, Japan. “Based on the data from pre-clinical studies, farletuzumab ecteribulin has the clinical potential to elicit a bystander effect through an enzymatically cleavable linker that releases a toxic payload from the antibody, therefore acting not only on the folate receptor alpha-positive cancer cells, but also the folate receptor alpha-negative cancer cells surrounding the folate receptor alpha-positive cancer cells. As the field of targeted therapy continues to evolve, antibody drug conjugates are anticipated to become a key modality in the treatment of recurrent, platinum-resistant disease.”

Ovarian cancer is typically diagnosed…

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