Byondis Seeks Partner For Lead ADC To Enter Crowded Breast Cancer Market

Positive Top-Line Results From TULIP Study

Top-line results from the Phase III TULIP study show that Byondis’s next-generation antibody-drug conjugate, trastuzumab duocarmazine (SYD985) is superior to physicians' choice of therapy for delaying disease progression in patients with advanced HER2-positive breast cancer.

Guided Missiles
ADCs Are Often Likened To Guided Missiles • Source: Alamy

Netherlands-based Byondis B.V.’s lead candidate product, the next-generation antibody-drug conjugate, SYD985, has met its primary endpoint in the Phase III TULIP study in HER2-positive advanced breast cancer, and the company intends to explore partnering for the product, which it expects to submit for regulatory approval by the end of 2021. 

Although Byondis’s novel ADC would offer patients a new treatment option, it would be entering an increasingly crowded market for...

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