Summary of 5-year follow-up results. OS and PFS were analyzed using Kaplan-Meier methodology and are shown (A-B) overall and (C-D) by best response. All censored patients are indicated by dots on the Kaplan-Meier curve. Patients followed through study closure and in remission without the start of new therapy other than allo-SCT are indicated by red dots (N = 15). (E) Observation time for the subset of 15 patients still in remission and in follow-up at study closure. Patients are shaded according to their best response with brentuximab vedotin. Six patients received a consolidative allo-SCT, and 9 patients received no further therapy after completing brentuximab vedotin. (F-G) OS and PFS are shown for the patients who achieved a CR on brentuximab vedotin (N = 34) as the subset of patients who received a consolidative allo-SCT (N = 6) or did not (N = 28). All censored patients are indicated by dots on the Kaplan-Meier curve.