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Abstract
High-dose therapy followed by autologous stem cell transplantation (ASCT) has been considered a potential treatment approach in order to improve the poor prognosis in mantle cell lymphoma (MCL), but its role has not yet been clearly established. We analyzed retrospectively the outcome and prognostic factors in 48 consecutive patients with MCL scheduled for ASCT in five transplant centers. In 14 patients (29%), a sufficient amount of stem cells could not be collected. Mobilization failure was associated with female sex, blastoid cytology, and low hemoglobin level. Altogether 35 patients underwent ASCT, 24 patients as part of the first-line treatment and 11 patients later. After transplantation 28 patients (80%) remained in or achieved remission. Two patients died of transplant-related complications. During the median follow-up time of 38 months, nine patients have relapsed. The median event-free survival (EFS) was 39 months. Age over 60 years and elevated C-reactive protein level at diagnosis were associated with poorer outcome after transelantation. ASCT is an effective treatment in MCL with a high response rate and a longer survival than seen in conventionally treated patients. However, no plateau was seen in the EFS curve after ASCT. Whether cure Can be achieved in a proportion of patients with ASCT is currently unknown and should be studied in larger patient series with a longer follow-up.