Long Term Molecular Remissions after Autologous Haematopoietic Stem Cell Transplant in Follicular Lymphoma.

Blood ◽  
2008 ◽  
Vol 112 (11) ◽  
pp. 2185-2185
Author(s):  
Séverine Lissandre ◽  
Patrick Vourch ◽  
Isabelle Desbois ◽  
Lotfi Benboubker ◽  
Caroline Dartigeas ◽  
...  
Keyword(s):  
Stem Cell ◽  
Stem Cell Transplant ◽  
Progression Free Survival ◽  
Haematopoietic Stem Cell ◽  
Cell Transplant ◽  
First Line ◽  
Molecular Remission ◽  
Remission Duration

Abstract Background and aim of the study: Autologous stem cell transplant (ASCT) has been shown to be an effective treatment for first-line and relapsed follicular lymphomas (FL). But no long term molecular remission was described. The aim of this retrospective study was to determine the clinical and molecular outcome of patients with FL who received ASCT during a 12-year period. Method: All patients who underwent ASCT for first-line or relapsed FL between January 1992 and December 2004 were included. Overall survival (OS) and progression-free survival (PFS) were estimated by Kaplan-Meier method and cumulative incidence of nonrelapse mortality (NRM), with relapse as a competing event, by Fine and Gray method. Patient characteristics: Seventy-one patients with a median age of 45 years and a median follow-up of 108 months were analysed. The majority were of the subtype grade 1 (57 %), had a high tumour burden (50 %) and were treated in firstline (52 %). After an anthracyclin-based induction regimen, 12 patients were in first complete remission (CR), 25 in first very good partial response (VGPR), 8 in second CR and 26 in second VGPR. They received BCNU, Etoposide, Aracytine, Melphalan (BEAM in 58 %) or Cyclophosphamide, total body irradiation (42 %) as conditioning for the ASCT. The majority of them received an unpurged graft (58%). Results : Thirty-eight patients were alive, 24 without progression between 4 and 12 years; 31 patients had died, 7 without progression. A total of 38 patients (55 %) developed recurrent lymphoma. Median OS was estimated at 8 years and 4 months. The ten-year PFS and the ten-year OS were 33 % and 47 %, respectively and the tenyear molecular PFS was 37 %. There was an apparent plateau on the remission duration curve at 32 % at 72 months and on the molecular remission duration curve at 37 % at 80 months. A plateau on the OS curve seemed to emerge at 41 % from the tenth year. Patients who received a purged graft had better OS and better PFS (median OS not reached versus 50 months, p = 0.08; median PFS not reached versus 22 months, p = 0.035) Three patients developed a secondary neoplasm and two a secondary myelodysplastic syndrome. The 10-year non-relapse mortality (NRM) was 20 %. Conclusion : This long follow-up study showed a plateau on the PFS and on the molecular PFS curves, suggesting that a selected group of patients might be cured by ASCT.

scholarly journals Machine learning predicts stem cell transplant response in severe scleroderma

2020 ◽  
Vol 79 (12) ◽  
pp. 1608-1615
Author(s):  
Jennifer M Franks ◽  
Viktor Martyanov ◽  
Yue Wang ◽  
Tammara A Wood ◽  
Ashley Pinckney ◽  
...  
Keyword(s):  
Gene Expression ◽  
Stem Cell ◽  
Stem Cell Transplant ◽  
Treatment Protocol ◽  
Peripheral Blood Cell ◽  
Haematopoietic Stem Cell ◽  
Cell Transplant ◽  
Intrinsic Gene

ObjectiveThe Scleroderma: Cyclophosphamide or Transplantation (SCOT) trial demonstrated clinical benefit of haematopoietic stem cell transplant (HSCT) compared with cyclophosphamide (CYC). We mapped PBC (peripheral blood cell) samples from the SCOT clinical trial to scleroderma intrinsic subsets and tested the hypothesis that they predict long-term response to HSCT.MethodsWe analysed gene expression from PBCs of SCOT participants to identify differential treatment response. PBC gene expression data were generated from 63 SCOT participants at baseline and follow-up timepoints. Participants who completed treatment protocol were stratified by intrinsic gene expression subsets at baseline, evaluated for event-free survival (EFS) and analysed for differentially expressed genes (DEGs).ResultsParticipants from the fibroproliferative subset on HSCT experienced significant improvement in EFS compared with fibroproliferative participants on CYC (p=0.0091). In contrast, EFS did not significantly differ between CYC and HSCT arms for the participants from the normal-like subset (p=0.77) or the inflammatory subset (p=0.1). At each timepoint, we observed considerably more DEGs in HSCT arm compared with CYC arm with HSCT arm showing significant changes in immune response pathways.ConclusionsParticipants from the fibroproliferative subset showed the most significant long-term benefit from HSCT compared with CYC. This study suggests that intrinsic subset stratification of patients may be used to identify patients with SSc who receive significant benefit from HSCT.

Outcomes of Patients with Refractory/Relapsed Diffuse Large B-Cell Lymphoma Who Progress After Autologous Stem Cell Transplantation in the Rituximab Era.

Blood ◽  
2012 ◽  
Vol 120 (21) ◽  
pp. 2689-2689
Author(s):  
Sarah J. Nagle ◽  
Kaitlin Woo ◽  
Rosemarie Mick ◽  
Stephen J. Schuster ◽  
Sunita D. Nasta ◽  
...  
Keyword(s):  
Stem Cell ◽  
Stem Cell Transplant ◽  
Cell Lymphoma ◽  
B Cell Lymphoma ◽  
Cell Transplant ◽  
First Line ◽  
Large B Cell Lymphoma ◽  
Historical Controls ◽  
First Line Treatment

Abstract Abstract 2689 Salvage chemotherapy and autologous stem cell transplant (ASCT) remain the current standard of care for patients with diffuse large B-cell lymphoma (DLBCL) who have primary refractory disease or relapse after initial therapy. The addition of rituximab results in improved overall survival (OS) after first line treatment, but cure rates of salvage therapy and ASCT are inferior when compared to historical controls (Gisselbrecht et al, JCO 2010). In the pre-rituximab era, patients with DLBCL who progressed after ASCT had an extremely poor prognosis, with a median OS of 3 months from the time of progression (Vose et al, Blood 1992). There is a paucity of data regarding outcomes and clinical patterns following progression after ASCT in the rituximab era. We conducted a retrospective analysis using our institutional database of DLBCL patients who underwent ASCT for primary refractory or relapsed disease. For those who progressed after ASCT, we evaluated OS defined as time from date of progression after ASCT to date of death from any cause or last follow-up. We also analyzed OS for various subgroups based on their clinical characteristics and post-progression therapy. The impact of post-progression therapy on outcome was assessed by calculating OS from the time of exposure to a particular treatment to date of death from any cause or last follow-up. Median OS was estimated by the Kaplan-Meier method and subgroup comparisons were performed using the log rank test. We identified 215 patients with primary refractory or relapsed DLBCL who underwent ASCT between January 1, 2005 and December 31, 2011. All patients received rituximab as part of their first line treatment. Fifty-six patients (26% of total) were found to have progression after ASCT. Eight patients were excluded from the analysis because they were not re-biopsied at relapse (n=5) or they had indolent disease at relapse (n=3). Data on the remaining 48 patients (median age 57 years; range 20–74) were further analyzed. The median OS from progression after ASCT for the entire cohort was 10.7 months (95% CI: 6.8–18.0 months). Patients who progressed < 1 year from ASCT (n=39) had a significantly shorter OS than those who progressed ≥ 1 year from ASCT (n=9): 9.5 vs. 26.7 months (p=0.02). Patients with at least stable disease as first assessment after ASCT (n=29) had a significantly longer OS than those who progressed immediately after ASCT (n=19): 18 vs. 6 months (p=0.01). Patients who were exposed to at least one novel agent (lenalidomide, radioimmunotherapy, non-rituximab monoclonal antibodies or tyrosine kinase inhibitors) as part of their post-progression therapy after ASCT (n=20) had a median OS of 11.2 months from treatment initiation. In contrast, patients who were treated with conventional cytotoxic chemotherapy but not novel agents (n=20) had a median OS of 6.7 months. In particular, patients who underwent radioimmunotherapy at some point after progression post-ASCT (n=9) had a median OS of 17.5 months (95% CI: 2.6-n/a months) with one patient in complete response > 48 months after the treatment. Patients who underwent allogeneic stem cell transplant following progression after ASCT (n=6) had a median OS of only 7.1 months (95% CI: 0.8-n/a months). In the rituximab era, the median OS of DLBCL patients who progress after ASCT appears improved when compared to historical controls, especially in those who progress > 1 year from ASCT. Patients with DLBCL progressing after ASCT should be considered for therapy with novel agents, which may result in long term survival. Disclosures: No relevant conflicts of interest to declare.

Tandem Autologous Stem Cell Transplantation in Chemorefractory Multiple Myeloma

Blood ◽  
2012 ◽  
Vol 120 (21) ◽  
pp. 4554-4554
Author(s):  
Catherine Garnett ◽  
Chrissy Giles ◽  
Osman Ahmed ◽  
Maialen Lasa ◽  
Holger W. Auner ◽  
...  
Keyword(s):  
Multiple Myeloma ◽  
Overall Survival ◽  
Stem Cell ◽  
Stem Cell Transplantation ◽  
Stem Cell Transplant ◽  
Progression Free Survival ◽  
Autologous Stem Cell Transplant ◽  
Cell Transplant ◽  
Free Survival

Abstract Abstract 4554 High-dose chemotherapy followed by autologous stem cell transplantation (ASCT) is currently standard treatment for younger patients with multiple myeloma, resulting in improved survival and response rate compared to conventional chemotherapy. Disease relapse, however, remains almost inevitable and thus the role of two successive (tandem) autologous stem cell transplants has been evaluated in chemorefractory patients as a means of prolonging duration of disease response. We retrospectively analysed the results of nine patients with chemorefractory disease treated at a single UK institution who received tandem ASCT between January 1998 and February 2009. There were six men and three women. Median age at diagnosis was 56 years (range, 42–65 years). Paraprotein isotype was IgG in eight patients and IgA in one patient. Median serum paraprotein level was 41g/L (range 12–73g/L) at presentation. At time of 1st transplant six patients were in stable disease (SD) and three had evidence of progressive disease. Conditioning melphalan dose was 140mg/m2 in all but two patients who received 110mg/m2 and 200mg/m2. Median time between transplants was 3.7 months (range 2.3–6.4 months) with PR and SD being observed in 2/9 and 7/9 patients at time of 2nd transplant. None of the patients reached complete response (CR). One patient received melphalan 140mg/m2 prior to 2nd transplant. The remaining patients received melphalan 200mg/m2. Median follow up after tandem transplant was 54.3 months (range 15.6 –143.6 months). No treatment related mortality was reported. At the time of analysis, six patients were still alive and under follow up with an overall survival (OS) figure for the group of 52% at 10 years from diagnosis (Figure 1). Median progression free survival (PFS) was 20 months from 2nd transplant (range 6.7–62.6 months) (Figure 2). Tandem autologous stem cell transplant in chemorefractory patients has resulted in overall survival similar to autologous stem cell transplant in chemosensitive patients and should be considered in patients with chemorefractory disease. Figure 1: Overall survival from diagnosis in patients receiving tandem autologous stem cell transplant for multiple myeloma Figure 1:. Overall survival from diagnosis in patients receiving tandem autologous stem cell transplant for multiple myeloma Figure 2: Progression free survival following tandem transplant Figure 2:. Progression free survival following tandem transplant Disclosures: No relevant conflicts of interest to declare.

Autologous Stem Cell Transplant for Myasthenia Gravis: A Single-Centre Experience

Blood ◽  
2014 ◽  
Vol 124 (21) ◽  
pp. 3996-3996 ◽  
Author(s):  
Adam Bryant ◽  
Elizabeth Pringle ◽  
Christopher Bredeson ◽  
David S. Allan ◽  
Grizel Anstee ◽  
...  
Keyword(s):  
Emergency Department ◽  
Stem Cell ◽  
Myasthenia Gravis ◽  
Targeted Therapies ◽  
Stem Cell Transplant ◽  
Cell Transplant ◽  
Autoimmune Conditions ◽  
Life Threatening

Abstract Myasthenia Gravis is an antibody-mediated disease that affects the neuromuscular junction. Despite advances in immune-targeted therapies, a subset of patients demonstrate refractory disease with severe or life-threatening symptoms. Disease control has been achieved using autologous hematopoietic stem cell transplant (HSCT) in a variety of autoimmune conditions including multiple sclerosis, chronic inflammatory demyelinating polyneuropathy, stiff person syndrome, and others. Here we report our center’s experience using autologous HSCT in seven patients with myasthenia. Seven myasthenia patients underwent HSCT between 2001 and 2011. Six patients were female. Median age (range) was 37 at diagnosis (17-52) and 43 at HSCT (24-55). Before HSCT, myasthenia severity, standardized by the Myasthenia Foundation of America (MGFA) clinical classification, was graded as moderate in 2 patients, severe in 3 patients, and life-threatening in 2 patients. Treatment regimens included pyridostigmine in all patients, and immune-targeted therapies including: steroid therapy in all patients, an additional immunomodulating drug in 6 patients, and plasma exchange or intravenous immunoglobulin in all patients. All patients had at least one myasthenia-related emergency department visit or hospitalization prior to HSCT, 3 requiring ICU stays and 2 requiring intubation. All patients underwent HSCT mobilization with cyclophosphamide and filgrastim. Stem cells were harvested from peripheral blood and selected for CD34+ cells in all cases. Conditioning regimens used busulfan, cyclophosphamide, and antithymocyte globulin (Bu-Cy-ATG) in 4 patients, Cy-ATG and total body irradiation in 2 patients, and etoposide, melphalan and dexamethasone in 1 patient who was undergoing HSCT for relapsed follicular lymphoma (FL). Median post-HSCT follow-up was 40 months (range 29-149). At last follow-up MGFA postintervention status was classified as complete stable remission (CSR) in all patients, indicating patients bad been experiencing no myasthenia symptoms and were on no myasthenia therapy for at least one year. Six patients had no further hospitalizations or emergency department visits post HSCT. One patient required hospitalizations in the 6 months post HSCT but at time of writing had been not hospitalized for myasthenia for more than 10 years. One patient died 29 months post HSCT from relapsed FL. At time of death this patient’s myasthenia was in CSR. There were no HSCT regimen-related deaths. No patients required ICU care during HSCT admission. Absolute neutrophil count exceeded 0.5 x 109/L on median post HSCT day 11 (range 13 - 28). Median hospital stay, including administration of conditioning regimen was 34 days (range 20-43). In the first post-HSCT year the cohort experienced 6 viral reactivations in 3 patients: 3 cases CMV viremia, 1 case BK virus-induced hemorrhagic cystitis, 1 case VZV dermatitis, 1 case oral HSV. Two late post-HSCT complications were observed: one case of acquired amegakaryocytic thrombocytopenia (post-HSCT day 701), and one case of relapsed FL (post-HSCT day 846) resulting in patient death. HSCT resulted in longstanding symptom- and treatment-free remission in seven patients with refractory myasthenia gravis. The procedure was tolerable however the intense immune depletion transiently increased risk of viral reactivation. This experience demonstrates that in selected myasthenia gravis cases, HSCT is a viable option for long-term disease control. The novel application of HSCT for this and other autoimmune conditions is an area that warrants further exploration and long-term follow-up. Disclosures No relevant conflicts of interest to declare.

scholarly journals Long-Term Outcomes of Allogeneic Stem Cell Transplant in Peripheral T-Cell Lymphoma

Blood ◽  
2018 ◽  
Vol 132 (Supplement 1) ◽  
pp. 4672-4672
Author(s):  
Dipenkumar Modi ◽  
Seongho Kim ◽  
Abhinav Deol ◽  
Asif Alavi ◽  
Lois Ayash ◽  
...  
Keyword(s):  
Stem Cell ◽  
T Cell ◽  
Stem Cell Transplant ◽  
Cell Lymphoma ◽  
Progression Free Survival ◽  
T Cell Lymphoma ◽  
Cell Transplant ◽  
Peripheral T Cell Lymphoma ◽  
Free Survival

Abstract Introduction: Peripheral T-cell Lymphoma represents a heterogeneous group of lymphoid malignancies characterized by poor prognosis with 5-year overall survival (OS) about 25% with conventional chemotherapy. Autologous stem cell transplant (Auto-SCT), as consolidation, is often considered in first complete remission (CR), providing between 30 to 40% long term disease-free survival. However, patients receiving Auto-SCT in second CR or with refractory disease have poor outcomes with progression-free survival ranging from 15-20% to 0%, respectively. In such cases, allogeneic stem cell transplant (Allo-SCT) may provide long term disease control. We intended to study outcomes of Allo-SCT in peripheral T-cell lymphoma patients. Methods: We have retrospectively evaluated long-term outcomes of adult peripheral T-cell lymphoma patients at Karmanos Cancer Institute. The objectives were to determine GVHD rate, overall survival (OS), relapse rate, progression-free survival (PFS) and non-relapse mortality (NRM) following Allo-SCT. Results: Between January 2005 and December 2017, 39 patients underwent Allo-SCT. The different diagnoses included peripheral T-cell lymphoma, not-otherwise-specified (n=16), angioimmunoblastic T-cell lymphoma (n=8), anaplastic T-cell lymphoma (n=8), hepatosplenic T-cell lymphoma (n=2), cutaneous T-cell (n=3) and NK cell lymphoma (n=2). The median age at transplant was 50 years (range, 21-67). The median number of prior therapies was 2 (range, 1-5) and 12 patients (31%) had failed prior Auto-SCT. Sixteen patients (41%) were in CR and 2 (5%) were in partial remission at the time of Allo-SCT, whereas 12 (31%) patients had relapsed disease and 9 (23%) had refractory disease. Twenty-one patients (54%) received matched related and 18 patients (46%) had unrelated Allo-SCT. Myeloablative conditioning regimen was used in 22 patients (56%), whereas reduced intensity regimen was used in 17 (44%) patients. Grade III-IV acute GVHD occurred in 25.6% (95% CI, 13.2-40.1%) and chronic GVHD occurred in 41% (95% CI, 25.1-56.3%). After a median follow-up of 3.08 years (95% CI, 2.49-7.28) among surviving patients, the estimated probabilities of 3-year OS and PFS were 35.9% (95% CI, 22.4-57.6%) and 32.5% (95% CI, 19.9-53%), respectively. The 3-year relapse rate was 23.9% (95% CI, 11.5-38.7%), whereas NRM was 35.9% (95% CI, 21.1-50.9%). No difference in OS and PFS was noticed in patients receiving Allo-SCT in first CR compared with patients receiving Allo-SCT beyond first CR (p=0.81; p=0.94). Similarly, no difference in OS and PFS was noted in patients with Allo-SCT followed by failed prior Auto-SCT compared with patients with upfront Allo-SCT (p=0.31; p=0.47). Seventeen of 39 patients were alive and 22 were deceased (n=7 disease relapse; n=15 NRM). Out of 39 patients, 13 (33%) alive patients are free of relapse and GVHD as of data analysis. Conclusion: Our study suggests that Allo-SCT is a viable treatment option for peripheral T-cell lymphoma and appears to provide cure in these highly selected patients. The survival advantage was noted in patients beyond first remission; therefore, it should be considered in all transplant eligible patients. In addition, certain proportion of patients who failed prior Auto-SCT benefited from Allo-SCT, which points towards potential role of graft-versus-lymphoma effect. Disclosures Deol: Novartis: Consultancy; Kite Pharmaceuticals: Consultancy.

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