P1089: BRENTUXIMAB VEDOTIN, NIVOLUMAB, DOXORUBICIN, AND DACARBAZINE (AN+AD) FOR ADVANCED STAGE CLASSIC HODGKIN LYMPHOMA: PRELIMINARY SAFETY AND EFFICACY RESULTS FROM THE PHASE 2 STUDY (SGN35 027 PART B). (23rd June 2022) - Lee, H.; Flinn, I. W.; Melear, J.; Ramchandren, R.; Friedman, J.; Burke, J. M.; Linhares, Y.; Raval, M.; Chintapatla, R.; Feldman, T. A.; Yimer, H.; Islas-Ohlmayer, M.; et al.