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AUTOLOGOUS STEM CELL TRANSPLANTATION FOR MANTLE CELL LYMPHOMA:SINGLE CENTER EXPERIENCE
Author(s): ,
Selami Kocak Toprak
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Erden Atilla
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Pinar Ataca Atilla
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Sinem Civriz Bozdag
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Meltem Kurt Yuksel
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Pervin Topcuoglu
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Taner Demirer
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Onder Arslan
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Muhit Ozcan
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Mutlu Arat
Affiliations:
Florence Nightingale Hospital,Istanbul,Turkey
,
Osman Ilhan
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Hamdi Akan
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Meral Beksac
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Nahide Konuk
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
,
Akin Uysal
Affiliations:
Koru Hospital,Ankara,Turkey
Gunhan Gurman
Affiliations:
Ankara University School of Medicine Department of Hematology,Ankara,Turkey
(Abstract release date: 05/18/17) EHA Library. Atilla E. 05/18/17; 182898; PB2185
Dr. Erden Atilla
Dr. Erden Atilla
Contributions
Abstract

Abstract: PB2185

Type: Publication Only

Background
Mantle cell lymphoma accounts for relatively small proportion (3%>10%) of non-Hodgkin lymphoma. High-dose chemotherapy (HDT) and autologous-stem cell transplantation (ASCT) has played a critical role in the treatment of mantle cell lymphoma. Regardless of that, mantle cell lymphoma remains largely a relapsing/remitting disease.

Aims

Our aim is to present our mantle cell lymphoma patients who underwent ASCT.

Methods
We retrospectively evaluated our 21 mantle cell NHL patients. The patients were followed after ASCT for relapse

Results

Patients were followed by a median time of 56.9 months (range, 6-170 months).The median age at diagnosis was 45 (range, 18-69), female to male ratio:5/16. The stages and MIPI scores at diagnosis were as follows: 5% stage II, 19% stage III, 76% stage IV; Low MIPI 29%, intermediate MIPI 48% and high MIPI 23%. First line treatments were R-CHOP for 6 cycles in 6 patients (29%) and R-CHOP for 3 cycles followed by R-DHAP in 15 patients (71%). The median time to ASCT was 20 months (range, 7-48 months). All patients were in at least partial remission at the time of ASCT. The transplant conditioning regimen was CVB in 5 patients (24%) and R+/-ICE in 5 patients (24%), R+/- BEAM in 11 patients (52%). Six patients (29%) achieved complete remission. Four patients (19%) died within three months of ASCT due to infection. Eleven patients (52%) was relapsed with a median time of 39 months (range, 4-123 months). Ten patients received BORID (bortezomib, rituximab, dexamethasone) and 1 patient received lenalidomide as salvage therapy and six of them achieved complete remission. Three patients underwent allogeneic hematopoietic stem cell transplantation as well as two patients received ibrutinib as fourth line therapy and followed in remission. The 3 year overall survival was 71%.

Conclusion
ASCT is a part of initial treatment strategy in fit patients with mantle cell lymphoma however %19 patients in our series had transplant related toxicity. Today, novel agents may present a less intensive approach for achieving response.

Session topic: 22. Stem cell transplantation - Clinical

Keyword(s): Mantle cell lymphoma

Abstract: PB2185

Type: Publication Only

Background
Mantle cell lymphoma accounts for relatively small proportion (3%>10%) of non-Hodgkin lymphoma. High-dose chemotherapy (HDT) and autologous-stem cell transplantation (ASCT) has played a critical role in the treatment of mantle cell lymphoma. Regardless of that, mantle cell lymphoma remains largely a relapsing/remitting disease.

Aims

Our aim is to present our mantle cell lymphoma patients who underwent ASCT.

Methods
We retrospectively evaluated our 21 mantle cell NHL patients. The patients were followed after ASCT for relapse

Results

Patients were followed by a median time of 56.9 months (range, 6-170 months).The median age at diagnosis was 45 (range, 18-69), female to male ratio:5/16. The stages and MIPI scores at diagnosis were as follows: 5% stage II, 19% stage III, 76% stage IV; Low MIPI 29%, intermediate MIPI 48% and high MIPI 23%. First line treatments were R-CHOP for 6 cycles in 6 patients (29%) and R-CHOP for 3 cycles followed by R-DHAP in 15 patients (71%). The median time to ASCT was 20 months (range, 7-48 months). All patients were in at least partial remission at the time of ASCT. The transplant conditioning regimen was CVB in 5 patients (24%) and R+/-ICE in 5 patients (24%), R+/- BEAM in 11 patients (52%). Six patients (29%) achieved complete remission. Four patients (19%) died within three months of ASCT due to infection. Eleven patients (52%) was relapsed with a median time of 39 months (range, 4-123 months). Ten patients received BORID (bortezomib, rituximab, dexamethasone) and 1 patient received lenalidomide as salvage therapy and six of them achieved complete remission. Three patients underwent allogeneic hematopoietic stem cell transplantation as well as two patients received ibrutinib as fourth line therapy and followed in remission. The 3 year overall survival was 71%.

Conclusion
ASCT is a part of initial treatment strategy in fit patients with mantle cell lymphoma however %19 patients in our series had transplant related toxicity. Today, novel agents may present a less intensive approach for achieving response.

Session topic: 22. Stem cell transplantation - Clinical

Keyword(s): Mantle cell lymphoma

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