Eleven Biotherapeutics is a late-stage company developing next-generation antibody-drug conjugate (ADC) therapies for patients with cancer. Our approach aims to overcome limitations of traditional ADCs by incorporating a tumor-targeting antibody fragment and a protein cytotoxic payload into a single protein molecule designed to selectively, effectively and broadly kill cancer cells while sparing healthy cells. These single protein molecules are known as fusion proteins.

Our lead program, Vicinium™, is a novel fusion protein currently in Phase 3 development for the treatment of patients with non-muscle invasive bladder cancer who have been previously treated with bacillus Calmette-Guérin (BCG).

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