MADRID — When Daiichi Sankyo scientists pushed forward with antibody-drug conjugate research nearly a decade ago, the program had a lot of naysayers, even inside the company.
Antibody-drug conjugates, or ADCs, were falling out of fashion, and much of the industry was moving on to other treatment types. “Why do we think that our ADCs are going to be any better than existing ones?” people thought at the time, according to Daiichi Sankyo R&D head Ken Takeshita, who joined the company later on in 2021.
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