On September 13, 2024 Marengo Therapeutics, Inc., a clinical-stage biotech company pioneering a new way to activate T cells targeting the Vβ chain of the T cell receptor to select the optimal T cell subsets against cancer, reported that it has entered into a clinical study collaboration and supply agreement with Gilead Sciences, Inc. to study the combination of STAR0602 (Invikafusp alfa) with Trodelvy (sacituzumab govitecan-hziy), a Trop-2-directed antibody-drug conjugate (ADC), as a potential treatment for adult patients with metastatic hormone receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2-) breast cancer and metastatic triple-negative breast cancer (TNBC) (Press release, Marengo Therapeutics, SEP 13, 2024, View Source;breast-cancers-302247091.html [SID1234646582]).
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The planned combination trial, sponsored by Marengo, is expected to commence soon. This study will evaluate the safety, tolerability, and preliminary efficacy of STAR0602 (Invikafusp alfa) in combination with Trodelvy in patients with metastatic TNBC or metastatic HR+/HER2- breast cancer, aiming to explore a novel therapeutic strategy that could offer new treatment options for patients.
"We are excited about the clinical potential of combining our novel selective dual T cell activator with Gilead’s antibody-drug conjugate, Trodelvy," said Kevin Chin, M.D., Chief Medical Officer of Marengo Therapeutics. "This innovative approach leverages the strengths of two unique modalities to target and potentially eradicate cancer cells more effectively. With the possibility to deliver target cytotoxic agents directly to tumors, which release more tumor antigens for selectively activated and expanded Vβ6/10 T cells to recognize and build long-term immune memory, we believe this combination may have the potential to improve cancer patient outcomes."
Under the clinical study collaboration and supply agreement, Gilead will provide Trodelvy to Marengo, who will conduct and sponsor the combination study. Marengo and Gilead will retain all development and commercial rights to their respective compounds, including as monotherapy or as combination therapies.
The combination of invikafusp alfa and sacituzumab govitecan-hziy is investigational and not approved by any health authority globally. The safety and efficacy of this combination has not been established.