Innate Pharma Presents at AACR 2024 Preclinical Efficacy of Its Pre-IND Drug Candidate IPH45, a Novel Nectin-4 Antibody Drug Conjugate
- IPH45 is a novel and differentiated exatecan-Antibody Drug Conjugate targeting Nectin-4
- In PDX models of urothelial tumors, IPH45 has stronger activity than approved Nectin-4 targeting EV. IPH45 shows anti-tumor efficacy in various solid tumor and EV-refractory models
- Preclinical efficacy and toxicology data support further development of IPH45 which is progressing towards the clinic with IND planned in 2024
In preclinical studies, data demonstrated that IPH45 effectively inhibits Nectin-4 expressing tumorgrowth both in vitro and in vivo, including in Enfortumab Vedotin (EV) refractory models. Importantly, IPH45 shows stronger activity than EV, in multiple urothelial carcinoma PDX (patient-derived xenografted) mice models, across Nectin-4high and Nectin-4low expression levels. In addition, IPH45 has an additive anti-tumor effect to anti-PD1 treatment in vivo and has a favorable safety profile in relevant animal toxicology models.
“IPH45 is a novel and differentiated Nectin-4 ADC with preclinical efficacy in tumor types with various expression levels of Nectin-4. Its exatecan payload allow for higher bystander-effect and a broader therapeutic index than MMAE-ADCs," commented Prof.
The presentation is available on Innate Pharma’s website.
About IPH45
Nectin-4 is a cell membrane adhesion protein overexpressed in several solid tumors, including urothelial, breast, lung, ovarian, and pancreatic cancers, with limited expression in normal tissues. IPH45 is a novel exatecan-Antibody Drug Conjugate (ADC) targeting Nectin-4. In non-clinical models, IPH45 is well tolerated and shows anti-tumor efficacy in vitro and in vivo. IPH45 is progressing towards First in Human study.
About
Innate’s portfolio includes lead proprietary program lacutamab, developed in advanced form of cutaneous T cell lymphomas and peripheral T cell lymphomas, monalizumab developed with AstraZeneca in non-small cell lung cancer, as well as ANKET® multi-specific NK cell engagers to address multiple tumor types.
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