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Brentuximab Vedotin is Associated with Improved Progression-Free Survival after Allogeneic Transplantation for Hodgkin Lymphoma
Robert Chen, Joycelynne M. Palmer, Ni-Chun Tsai, Sandra H. Thomas,Tanya Siddiqi, Leslie Popplewell, Len Farol, Auayporn Nademanee, Stephen J. Forman
We previously reported that brentuximab vedotin (BV) enabled successful reduced-intensity allogeneic hematopoietic cell transplantation (RIC-alloHCT) in patients with relapsed Hodgkin lymphoma, after a median follow-up of 14.4 months. We now provide an updated report on 21 patients who were treated from 2009 to 2012 with BV before RIC-alloHCT with a uniform fludarabine/melphalan conditioning regimen and donor source after a median follow-up of 29.9 months. We have also retrospectively compared the patient characteristics and outcomes of these BV-pretreated patients to 23 patients who received fludarabine/melphalan RIC-alloHCT without prior BV, in the time period before the drug was available (2003 to 2009). Patients who were treated with BV before RIC-alloHCT had a lower median hematopoietic cell transplantation–specific comorbidity index and a reduced number of peri-transplantation toxicities. There were also improvements in 2-year progression-free survival (59.3% versus 26.1%) and cumulative incidence of relapse/progression (23.8% versus 56.5%).
Biology of Blood and Marrow Transplantation