Sanofi and Seagen team up to grow a new crop of ADC cancer drugs March 16, 2022 Auto Bot antibody-drug conjugate, BioPharma, cancer, deals, France, Pharma, Sanofi, Seagen 0 Antibody drug conjugates have made scientific and regulatory progress in recent years. Sanofi is partnering with ADC specialist Seagen in a multi-drug alliance that keeps the pharmaceutical giant in the mix of this growing field of cancer therapies.