ADC Therapeutics (NYSE: ADCT) announced two investigator-initiated study abstracts on ZYNLONTA accepted for presentation at the 66th ASH Annual Meeting. The Phase 2 study combining ZYNLONTA with rituximab in relapsed/refractory follicular lymphomashowed a 97.1% overall response rate among 35 patients, with an 80% best complete metabolic response rate. In a separate study for relapsed/refractory marginal zone lymphoma, ZYNLONTA as a single agent achieved an 85% overall response rate with 75% complete response rate in 20 evaluable patients. Both studies demonstrated safety profiles consistent with known ZYNLONTA data.