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Prospective randomized studies have determined that high dose therapy and autologous stem cell transplantation (ASCT) is the standard treatment for patients with chemosensitive relapsed Hodgkin's disease (HD); however, the role of this approach in patients with primary refractory disease has been controversial. This report is an integrated analysis of 75 consecutive patients with biopsy-confirmed primary refractory HD, who were treated with high dose chemoradiotherapy (HDT) and ASCT at the Memorial Sloan Kettering Cancer Center. The patients underwent conventional dose cytoreductive chemotherapy followed by HDT and ASCT. At a median follow-up of 10 years for surviving patients, the event-free survival (EFS), progression-free survival (PFS) and overall survival (OS) rates were 45%, 49% and 48% respectively. Only chemosensitivity to standard-dose second-line chemotherapy (SDSC) predicted for a better survival, thus responding patients had an EFS, PFS and OS of 60%, 62% and 66%, respectively, versus 19%, 23% and 17% for patients who had a poor response to SDSC (P < 0.001). While patients with chemosensitive disease have an excellent outcome with HDT and ASCT, novel approaches are needed to cure HD patients who fail front-line and second-line chemotherapy.
Moskowitz et al. (Tue,) studied this question.