Friday, September 29, 2023


Biotechnology News Magazine

Second Innate Pharma NK Cell Engager Selected by Sanofi as Drug Candidate for Development

IPH6401/SAR’514 is a BCMA-targeting NK cell engager using Sanofi’s proprietary CROSSODILE® multi-functional platform. It was developed jointly and benefits from the dual NK targeting of Innate’s ANKETTM proprietary platform. Selection of IPH6401/SAR’514 triggers a €3M milestone payment to Innate

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Innate Pharma SA (Euronext Paris: IPH; Nasdaq: IPHA) (“Innate” or the “Company”) today announced that Sanofi has made the decision to progress IPH6401/SAR’514 into investigational new drug (IND)-enabling studies, triggering a €3 million milestone payment.

IPH6401/SAR’514 is a BCMA-targeting NK cell engager using Sanofi’s proprietary CROSSODILE® multi-functional platform, which comprises the Cross-Over-Dual-Variable-Domain (CODV) format. It induces a dual targeting of the NK activating receptors, NKp46 and CD16, for an optimized NK cell activation, based on Innate’s ANKETTM (Antibody-based NK cell Engager Therapeutics) proprietary platform. NK cell engagers are an alternative for cancer treatment aiming to offer an improved therapeutic window as compared to bispecific T lymphocyte-engaging formats.

IPH6401/SAR’514 has shown anti-tumor activity and promising drug properties in pre-clinical models. Sanofi will be responsible for all future development, manufacturing and commercialization of IPH6401/SAR’514.

“We are pleased that Sanofi has chosen to progress IPH6401/SAR’514 into development, building on our strong partnership which brought the first NKp46-based NK cell engager to the clinic last year,” said Pr. Eric Vivier, DVM-PhD, Chief Scientific Officer at Innate Pharma. “Innate/Sanofi’s collaboration integrating Sanofi’s multi-functional CODV format and the dual NK cell targeting based on Innate’s multifunctional ANKET platform is creating an entirely new class of molecules to induce synthetic immunity against cancer, which have been designed to belong to the next wave of impactful medicines in immunotherapy.”

This milestone is part of the previously announced research collaboration with Sanofi, under which the companies collaborate on the generation and evaluation of up to two bispecific NK cell engagers, using the ANKET platform from Innate that simultaneously targets two NK activating receptors, NKp46 and CD16, to optimize NK cell activation and Sanofi’s proprietary antibody format as well as anti-tumor target antibodies. In 2021, the companies announced plans to develop IPH6101/SAR’579, which is in Phase 1/2 in relapsed or refractory acute myeloid leukemia (R/R AML), B-cell acute lymphoblastic leukemia (B-ALL) and high risk-myelodysplastic syndrome (HR-MDS).

About the Innate-Sanofi agreement:

The Company has a research collaboration and licensing agreement with Sanofi to apply Innate’s proprietary platform to the development of innovative multi-specific antibody formats engaging NK cells through the activating receptors NKp46 and CD16 to kill tumor cells now called the ANKET platform.

Under the terms of the license agreement, Sanofi will be responsible for the development, manufacturing and commercialization of products resulting from the research collaboration. Innate Pharma will be eligible to up to €400m in development and commercial milestone payments as well as royalties on net sales.


ANKETTM (Antibody-based NK cell Engager Therapeutics) is Innate’s proprietary platform for developing next-generation, multi-specific natural killer (NK) cell engagers to treat certain types of cancer.

About Innate Pharma:

Innate Pharma S.A. is a global, clinical-stage oncology-focused biotech company dedicated to improving treatment and clinical outcomes for patients through therapeutic antibodies that harness the immune system to fight cancer.

Innate Pharma’s broad pipeline of antibodies includes several potentially first-in-class clinical and preclinical candidates in cancers with high unmet medical need.

Innate is a pioneer in the understanding of Natural Killer cell biology and has expanded its expertise in the tumor microenvironment and tumor-antigens, as well as antibody engineering. This innovative approach has resulted in a diversified proprietary portfolio and major alliances with leaders in the biopharmaceutical industry including Bristol-Myers Squibb, Novo Nordisk A/S, Sanofi, and a multi-products collaboration with AstraZeneca.

Headquartered in Marseille, France with a US office in Rockville, MD, Innate Pharma is listed on Euronext Paris and Nasdaq in the US.

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