Abstract High‐dose BEAM chemotherapy ( BCNU , etoposide, Ara‐C, and melphalan) followed by autologous hematopoietic stem cell transplantation is frequently used as consolidative therapy for patients with recurrent or refractory Hodgkin or non‐Hodgkin lymphoma. The BEAM regimen has traditionally been administered over 6 days in the hospital, with patients remaining hospitalized until hematologic recovery and clinical stability. In an effort to reduce the length of hospitalization for these patients, our institution has transitioned from inpatient ( IP ) to outpatient ( OP ) administration of BEAM conditioning. Here, we report the results of an analysis of the feasibility, cost, complications, and outcomes for the initial group of patients who received OP BEAM compared to a prior cohort of patients who received IP BEAM . Patient and disease characteristics were comparable for the two cohorts, as were engraftment kinetics. Length of hospital stay was reduced by 6 days for the OP cohort ( P < 0.001), resulting in a cost savings of more than $17,000 per patient. Fewer complications occurred in the OP cohort, including severe enteritis ( P = 0.01), organ toxicities ( P = 0.01), and infections ( P = 0.04). Overall survival rate up to 3 years posttransplant was better for the OP cohort ( P = 0.02), likely due to differences in posttransplant therapies. We conclude that OP administration of BEAM conditioning is safe and may offer significant advantages, including decreased length of hospitalization, reduced costs, decreased risks for severe toxicities and infectious complications, and likely improvement in patient satisfaction and quality of life.
The impact of rituximab on the outcome of high-dose therapy and autologous stem cell transplant (HD-ASCT) for transformed non-Hodgkin lymphoma (NHL) has not been previously described. We analyzed 18 consecutive patients with indolent NHL who transformed to diffuse large B-cell lymphoma (DLBCL), received rituximab-containing therapy either before or after transformation and underwent subsequent HD-ASCT. With a median follow-up of 40 months, the 2-year progression-free survival (PFS) was 59% and the 2-year overall survival (OS) was 82%. Six patients did not receive rituximab pre-transformation. This group had a significantly better PFS at 2 years post-HD-ASCT compared to 12 patients who were exposed to rituximab pre-transformation (p = 0.03). HD-ASCT remains an effective therapeutic option for transformed NHL in the rituximab era. However, patients exposed to rituximab pre-transformation appear to have inferior HD-ASCT outcomes, and thus may benefit from novel conditioning and maintenance regimens in the setting of HD-ASCT.
With the eventual goal of reducing relapse and thus improving overall survival in selected lymphoma patients, a Phase I study was performed using the cytoprotectant amifostine to permit safe dose-augmentation of melphalan in the carmustine (BCNU), etoposide, cytarabine (arabinosylcytosine), and melphalan (BEAM) regimen before autologous hematopoietic stem cell transplantation. Between 30 July 2003 and 25 November 2008, a total of 32 lymphoma patients were entered, of which 28 were evaluable. We found the melphalan dose in BEAM could be safely escalated to at least 260 mg/m², a substantial increase from the usual dose of 140 mg/m² in BEAM while the trial was terminated early due to poor accrual, no maximal tolerated dose or dose-limiting toxicity was found. A Phase II trial is planned.
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