RE:RE:RE:RE:RE:RE:Antibody-Drug-Conjugate (ADC) company reports patient death In 2020, Seagen entered into global co-development and co-commercialization agreement with Merck for Ladiratuzumab Vedotin (LV) in breast cancer and other solid tumors. Seagen received $600 million upfront and is eligible for progress-dependent milestone payments up to $2.6 billion.
Additionally, Merck made a $1 billion equity investment in Seagen. With Merck stepping away from a Seagen acquisition, Seagen recently discontinued development in Ladiratuzumab Vedotin.