Cambridge, U.K.-based Bicycle Therapeutics plc’s phase I dosing about a month ago of its first patient with nectin-4-targeting BT-8009 put the company on the road to hoped-for success by pursuing the same mechanism of action as Padcev (enfortumab vedotin-ejfv), the antibody-drug conjugate (ADC) from Astellas Pharma Inc. and Seagen Inc.