Genmab Discontinues ProfoundBio-Derived ADC GEN1107 After Acquisition, Paralleling J&J’s Ambrx Buyout Area Developments on November 18, 2025 AbbVie acquisition Ambrx Antibody-Drug Conjugates Drug Development GEN1107 Genmab J&J Johnson and Johnson Neoplasms ProfoundBio PTK7 PTK7 protein, human +