Antibody-drug conjugate (ADC)

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FDA
In June, the regulator placed a partial clinical hold on a Phase I trial of the companies’ antibody-drug conjugate after three patient deaths were reported.
After dropping $4 billion on a deal with the Japanese company last year, Merck is getting back some of its investment as Daiichi Sankyo buys into a Phase I/II T-cell engager therapy acquired from Harpoon Therapeutics.
GSK is seeking to relaunch Blenrep after its market withdrawal in 2022. The pharma is eyeing a second-line niche for the antibody-drug conjugate in the treatment of relapsed or refractory multiple myeloma.
In its second antibody-drug conjugate licensing agreement this year, Ipsen has secured exclusive rights to Foreseen Biotechnology’s FS001, which targets a novel antigen expressed across a range of solid tumors.
Eli Lilly becomes the latest to make a major investment in immunology and inflammation, while antibody-drug conjugate biopharma Myricx Bio nets a large Series A round and new research highlights the potential and possible risks of GLP-1s.
With the antibody drug conjugate market projected to hit $28 billion by 2028, some companies are looking to harness the drugs for immunotherapy.
The U.K.-based biotech is the latest to cash in on the hot antibody-drug conjugate space, closing a $115.5 million Series A round co-led by Novo Holdings and participation from Eli Lilly.

Two CRLs from the FDA last week cited concerns with third-party manufacturers, while Indian CDMOs may make a bid for U.S. business if there is a decoupling from Chinese companies under the BIOSECURE Act.
In 2023, the ADC market exceeded $10 billion, and this momentum is persisting into 2024, as evidenced by several strategic deals and a robust pipeline of candidate drugs.
Due to Bristol Myers Squibb’s ongoing portfolio reprioritization, Eisai is taking over the development and commercialization of farletuzumab ecteribulin, an investigational antibody-drug conjugate targeting solid tumors.
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