ESHAP Plus G-CSF As an Effective Peripheral Blood
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Bone Marrow Transplantation (2005) 35, 449–454 & 2005 Nature Publishing Group All rights reserved 0268-3369/05 $30.00 www.nature.com/bmt ESHAP plus G-CSF as an effective peripheral blood progenitor cell mobilization regimen in pretreated non-Hodgkin’s lymphoma: comparison with high-dose cyclophosphamide plus G-CSF J-L Lee1,4, S Kim1, SW Kim1, E-K Kim1, S-B Kim1, Y-K Kang1, J Lee1, MW Kim1, CJ Park2, H-S Chi2, J Huh3, S-H Kim1 and C Suh1 1Department of Medicine, ASAN Medical Center, University of Ulsan College of Medicine, Seoul, South Korea; 2Department of Diagnostic Laboratory Medicine, ASAN Medical Center, University of Ulsan College of Medicine, Seoul, South Korea; 3Department of Pathology, ASAN Medical Center, University of Ulsan College of Medicine, Seoul, South Korea; and 4Department of Medicine, Yeungnam University College of Medicine, Daegu, Korea Summary: High-dose chemotherapy along with autologous peri- pheral blood hematopoietic stem cell transplantation is The ESHAP (etoposide, methylprednisolone, high-dose widely used for relapsed or primary refractory non- cytarabine, and cisplatin) regimen has been shown to be Hodgkin’s lymphoma (NHL).1–3 The use of chemotherapy effective as an active salvage therapyfor lymphoma. and G-CSF in this setting should be directed to the Mobilizing stem cells following ESHAP should decrease dual objectives of good antilymphoma activity and time to transplantation bymaking separate mobilizing mobilization of an adequate number of peripheral blood chemotherapy(MC) unnecessary,while controlling a progenitor cells (PBPC). Although the regimen of cyclo- patient’s lymphoma. We therefore assessed the mobiliza- phosphamide and G-CSF is good for PBPC mobiliza- tion potential of ESHAP plus G-CSF in 26 patients tion in various diseases and situations,4 it is less effective (ESHAP group) with non-Hodgkin’s lymphoma (NHL) in cases of primary refractory or relapsed lymphoma and compared these results with those of 24 patients with after cyclophosphamide-containing combination chemo- NHL who received high-dose (4 g/m2l) cyclophosphamide therapy. In these patients, where potent antilymphoma (HDCY) as MC (HDCY group). The age, sex, and activity is needed, the regimen of cyclophosphamide plus radiotherapyto the axial skeleton were well matched G-CSF theoretically loses most of its utility. The ESHAP between groups, but the number of patients with poor (etoposide, methylprednisolone, high-dose cytarabine, mobilization predictors was higher in the ESHAP group. and cisplatin) regimen has been shown to be effective as Significantlyhigher numbers of CD34 þ cells ( Â 106/kg) active salvage therapy for lymphoma.5,6 Mobilization of (17.1718.8 vs 5.875.0, P ¼ 0.03) and apheresis day1 stem cells following ESHAP chemotherapy is attractive, CD34 þ cells ( Â 106/kg) (5.576.6 vs 1.772.0, P ¼ as it should decrease the time to transplant by making 0.014) were collected from the ESHAP group than from separate mobilizing chemotherapy (MC) unnecessary the HDCY group, and the number of patients who while controlling a patient’s lymphoma. However, ESHAP achieved an optimal CD34 þ cell target of 5 Â 106/kg plus G-CSF has been utilized only to a limited extent for was higher in the ESHAP group (81 vs 50%, P ¼ 0.022). MC in NHL.7–9 Log-rank test revealed that time to target peripheral blood We report here the results of MC using ESHAP progenitor cell collection (X5 Â 106/kg) was shorter in the plus G-CSF in 26 patients with NHL. In addition, we ESHAP group (P ¼ 0.007). These results indicate that compare the mobilizing potential of ESHAP plus G-CSF ESHAP plus G-CSF is an excellent mobilization regimen with that of a high-dose cyclophosphamide (HDCY) in patients with relapsed and poor-risk aggressive NHL. regimen. Bone Marrow Transplantation (2005) 35, 449–454. doi:10.1038/sj.bmt.1704798 Published online 17 January 2005 Patients and methods Keywords: ESHAP; mobilization; lymphoma; cyclophos- phamide Patients The autologous stem cell transplantation (ASCT) data registry of Asan Medical Center (AMC) and Yeungnam Correspondence: Dr C Suh, Department of Medicine, University of University Medical Center (YUMC) revealed that 26 Ulsan College of Medicine, Asan Medical Center, 388-1 Poongnap- patients with aggressive NHL received ESHAP chemo- dong, Songpa-gu, Seoul 138-040, South Korea; E-mail: [email protected] therapy followed by G-CSF prior to collection of PBPC Received 13 May 2004; accepted 14 October 2004 between July 1998 and March 2004. During the same Published online 17 January 2005 period, 24 patients with NHL received HDCY with G-CSF ESHAP mobilization in NHL J-L Lee et al 450 as the mobilization regimen. We collected the demographic continued until the absolute neutrophil count (ANC) was characteristics, harvest results, post-ASCT hematologic at least 1.0 Â 109/l on 2 consecutive days. Platelet transfu- recovery, and adverse event data from those groups of sions were administered empirically for patients with patients. There were no preset criteria or patient character- platelet counts of 2.0 Â 109/l or lower or for clinical istics that determined whether patients received ESHAP or bleeding. HDCY for MC. Definitions MC, PBPC harvest and CD34 cell quantitation After MC, days to first apheresis were measured from the The ESHAP regimen consisted of etoposide (40 mg/m2, first day of chemotherapy administration (day 0). CD34 þ days 1–4), methylprednisolone (500 mg, days 1–5), cytar- cells X2.0 Â 106 and X5.0 Â 106/kg were defined as abine (2 g/m2, day 5), and cisplatin (25 mg/m2, days 1–4), as ‘adequate’ and ‘optimal’ PBPC for ASCT, respectively, described previously.5 HDCY (4 g/m2) was given in a whereas CD34 þ cells o1.0 Â 106/kg was regarded as 90 min infusion with intravenous hydration and MESNA mobilization failure. Days to adequate or optimal PBPC (2-mercaptoethane sulfonate).4,10 In the early phase of collection were measured from the first day of apheresis. study period, G-CSF (10 mg/kg/day; Lenograstim, Neutro- After high-dose chemotherapy, hematopoietic recovery was gint, Choongwae, Seoul, South Korea) was given sub- measured from the day of PBPC infusion (day 0). cutaneously, starting on the day the WBC first rose after the nadir after ESHAP or HDCY had ended and Statistics continuing until the day before the last apheresis. Since July 2002, G-CSF (10/kg/day) was started on day 6 for Patient characteristics, apheresis components, and post- ESHAP and on day 2 for HDCY and continued until the ASCT hematologic recovery data are described using completion of apheresis. CBC was monitored daily from 3 summary statistics as median values and ranges, or as days after the end of ESHAP and from 7 days after the means and standard deviations. All continuous variables were analyzed using the Mann–Whitney test. Proportions completion of HDCY. The criteria for apheresis com- 2 mencement differed in the participating centers. In AMC, were compared using the w test or Fisher’s exact test, as from July 1998 to July 2002, the first PBPC harvest was appropriate. Sessions of apheresis needed to achieve initiated on the day when the first of the following adequate or optimal PBPC collection were estimated using occurred: (1) WBC count exceeded 10.0 Â 109/l; (2) MNC the product-limit method according to Kaplan and Meier count exceeded 1.0 Â 109/l; or (3) hematopoietic progenitor and were compared using the log-rank test. Statistical cell (HPC) count, as assessed by an automated hematology analysis was performed with SPSS for Windows V. 10.0 analyzer (SE-9000, Sysmex, Kobe, Japan), exceeded 5/ (SPSS Inc., Chicago, IL, USA) and significance levels were ml.11,12 Since July 2002, apheresis was started only if the set at 0.05. peripheral blood (PB) HPC count exceeded 5/ml.13 In YUMC, PBPC collection was started when PB CD34 þ cell count exceeded 10/ml. In both centers, PBPC were collected Results with a continuous-flow large-volume blood cell separator (Fenwal CS3000 plus, Baxter healthcare, Deerfield, IL, Patient characteristics USA). Each apheresis procedure was performed for The characteristics of the 50 patients who received either approximately 2–4 h, processing 10–14 l of blood. Leuka- ESHAP or HDCY are summarized in Table 1. The two pheresis was continued for up to 9 days, until analysis groups were well matched with respect to participating confirmed the collection of X5 Â 106/cells/kg, regarded as center, age, sex, and prior radiotherapy involving the axial the criterion for ‘optimal’ PBPC collection in our institu- skeleton. However, the number of prior chemotherapy tions. PBPC harvest was discontinued after at least 2 days regimens and the number of patients who had been exposed from the initiation of leukapheresis when a single apheresis to both cyclophosphamide and cisplatin, which predict resulted in fewer than 0.2 Â 106 cells/kg and the apheresis poor mobilization,14 were significantly higher in the CD34 þ cell count declined. The quantities of CD34 þ ESHAP group (P ¼ 0.001 and 0.01, respectively). In cells in PB and leukapheresis components were determined addition, more patients in the ESHAP group had bone as described previously.11,12 marrow involvement at the time of diagnosis and patients in the HDCY group tended to have received fewer cycles of High-dose chemotherapy with PBPC support conventional chemotherapy prior to MC. The carmustine, etoposide, cytarabine, and cyclophospha- PBPC harvest yields for the ESHAP and HDCY groups mide (BEAC) regimen was used for 35patients, whereas the carmustine, etoposide, cytarabine, and melphalan (BEAM) The apheresis yields for the ESHAP and HDCY groups are regimen was used for the remaining 15patients.