Summary The efficacy of currently available treatments for Hodgkin's disease (HD) has led to a substantial modification in the prognosis of this disease; nevertheless there is still a group of patients that cannot be cured with conventional treatments and who will be candidates for alternative therapy. In the present work we analysed the prognostic influence of the most relevant clinico-biological characteristics of HD in a consecutive series of 137 patients diagnosed and treated in a single institution. Univariate analyses identified six variables with significant prognostic influence, both on achieving complete remission (CR) and overall survival (OS); LDH >320 U ml-', age >45 years, stages IIB, III and IV, extranodal involvement, alkaline phosphatase >19OUIdl and ESR >40mmh. In addition, Hb<12.5grdl-' and abdominal disease were statistically relevant for CR while a poor performance score (ECOG ) 2) affected a lower survival. In the multivariate analysis only LDH, age and the clinical stage retained a significant prognostic influence for achieving CR, while the two first factors above, together with performance status were the variables with independent prognostic value with respect to OS. Moreover, only LDH >320Uml-' had prognostic influence in the probability of relapse and disease free survival (DFS), both in the univariate and multivariate analyses.According to the three independent factors obtained in the multivariate analysis for CR (LDH, age and stage) a predictive model was established that allows the stratification of patients into two prognostic groups: one with poor prognosis that includes patients with the three adverse prognostic factors, or two if one of them was elevated LDH, and the other with good prognosis that includes the remaining patients. This model was also able to separate two independent groups of patients with respect to OS and to DFS. In conclusion, the present study shows that LDH is one of the most important prognostic factors in HD.

Mini-BEAM and ESHAP are two non-cross-resistant salvage regimens that have been used separately in patients with lymphoma. The aim of the present study was to investigate the efficacy of the combination of these two regimens, administered in alternating cycles, as salvage therapy for refractory non-Hodgkin's lymphoma (NHL) patients. A total of 28 patients were included in the study: 14 patients were primary refractory, seven were partial responders, and seven were in relapse. The alternating cycles of mini-BEAM and ESHAP were given until there was maximum response or progression. The overall response rate to mini-BEAM/ESHAP was 39%; 25% of patients achieved a complete response and 14% a partial response. Nevertheless, it should be noted that none of the primary refractory patients responded to this protocol. Nine of the 11 patients who responded to mini-BEAM/ESHAP were consolidated with autologous transplantation using BEAM as a conditioning regimen. The survival at 3 years in this group of 11 patients who responded to the salvage regimen is 64%, with a disease-free survival of 67% at 2 years. No major toxic effects were observed with mini-BEAM/ESHAP. Myelosuppression was the most frequent complication, especially with the mini-BEAM cycles. Other toxicities were infrequent and no treatment-related deaths were observed. These results suggest that alternating mini-BEAM/ESHAP chemotherapy is a safe regimen that is effective in partial responders or relapsing patients with NHL who have sensitive disease, but not in primary refractory patients. Moreover, although this therapy has a potential advantage, combining as it does two non-cross-resistant regimens, it does not seem superior to ESHAP alone.

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