Brentuximab Vedotin Enters Phase 2 Trials Brentuximab vedotin (Adcetris), an antibody-drug conjugate (ADC) directed at CD30, is currently entering Phase 2 clinical trials for treating systemic lupus erythematosus (SLE).1 The ADC encompasses an anti-CD30 monoclonal antibody, which is attached by a protease-cleavable linker to a microtubule-disrupting agent, known as monomethyl auristatin E (MMAE). The ADC…