Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 79
Filtrar
Mais filtros

Base de dados
País/Região como assunto
Tipo de documento
Intervalo de ano de publicação
1.
Biol Blood Marrow Transplant ; 26(4): 659-664, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-31759159

RESUMO

After autologous hematopoietic cell transplantation (HCT) in the first complete remission (CR1), patients with acute myeloid leukemia (AML) may relapse and undergo allogeneic HCT in the second complete remission (CR2). The aim of this study was to analyze the outcome of allogeneic HCT performed in CR2 comparing patients with prior consolidation by autologous HCT versus patients with chemotherapy consolidation. Included were 2619 adults with allogeneic HCT in CR2 from 2000 to 2017 with (n = 417) or without (n = 2202) prior autologous HCT. Patient groups were not entirely comparable; patients with prior autologous HCT were younger, had less often a favorable cytogenetic profile, had more commonly donors other than matched siblings, and more often received reduced-intensity conditioning. In multivariate analysis, nonrelapse mortality risks in patients with prior autologous HCT were 1.34 (1.07 to 1.67; P = .01) after adjustment for age, cytogenetic risk, transplant year, donor, conditioning intensity, sex matching, interval diagnosis-relapse, and relapse-allogeneic HCT as compared with chemotherapy consolidation. Similarly, risks of events in leukemia-free survival and graft-versus-host disease, relapse-free survival were higher with prior autologous HCT, 1.17 (1.01 to 1.35), P = .03 and 1.18 (1.03 to 1.35), P = .02, respectively. Risk of death was also higher, 1.13 (0.97 to 1.32), P = .1, but this was not significant. Postremission consolidation with autologous HCT for AML in CR1 increases toxicity of subsequent allogeneic HCT in CR2.


Assuntos
Doença Enxerto-Hospedeiro , Transplante de Células-Tronco Hematopoéticas , Leucemia Mieloide Aguda , Adulto , Medula Óssea , Doença Enxerto-Hospedeiro/etiologia , Humanos , Leucemia Mieloide Aguda/terapia , Indução de Remissão , Estudos Retrospectivos , Condicionamento Pré-Transplante , Transplante Homólogo
2.
Vox Sang ; 112(1): 87-92, 2017 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-27870058

RESUMO

According to many textbooks, iron deficiency (ID) is associated with reactive thrombocytosis. In this study, we aimed to investigate the correlation between serum ferritin levels and platelet counts in a large cohort of healthy blood donors. We included all whole blood and apheresis donors aged 18 years or older with at least one ferritin measurement and one platelet count performed at the same visit between 1996 and 2014. A total of 130 345 blood counts and ferritin measurements obtained from 22 046 healthy donors were analysed. Overall, no correlation between serum ferritin and platelet count was observed (r = -0.03, ρ = 0.04 for males, and r = 0.01, ρ = -0.02 for females, respectively). Associations remained clinically negligible after adjusting for age, time since previous blood donation, number of donations and restricting the analysis to ferritin deciles. In this large, retrospective single-centre study, correlations between low ferritin and platelet count in a large and homogeneous cohort of healthy donors were negligible. Further studies in patients with more severe anaemia and patients with inflammation are warranted.


Assuntos
Anemia Ferropriva/diagnóstico , Trombocitose/diagnóstico , Adulto , Anemia Ferropriva/sangue , Remoção de Componentes Sanguíneos , Doadores de Sangue , Feminino , Ferritinas/sangue , Humanos , Masculino , Contagem de Plaquetas , Estudos Retrospectivos , Trombocitose/sangue
3.
Ann Hematol ; 94(11): 1899-905, 2015 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-26233683

RESUMO

The multikinase inhibitor sorafenib has shown a strong anti-leukemic effect in FMS-like tyrosine kinase 3 (FLT3)-mutated acute myeloid leukemia (AML); however, remission is often transient. To better understand the role of sorafenib, we performed a retrospective analysis of all patients who received sorafenib in combination with allogeneic hematopoietic stem cell transplantation (HSCT) at our center. Seventeen patients with FLT3-ITD positive AML were treated with sorafenib in combination with allogeneic HSCT. Seven patients received sorafenib therapy pre- and posttransplant, and 10 patients were given sorafenib only posttransplant. Median duration of sorafenib treatment was 13 months (range 1-42); median dose was 600 mg (range 100-1200). Fourteen patients (82 %) achieved a complete remission (CR), while 5 patients (29 %) eventually developed progressive disease. Developing chronic graft-versus-host disease (GvHD) had a strong protective influence on the risk of sorafenib resistance (p = 0.028, HR 0.08, 95 % CI 0.01-0.76). In a total of 8 patients, sorafenib had to be stopped, paused or dose-reduced due to toxicity. In 5 patients with pronounced toxicity, we switched to an alternating dosing schedule with 1 month on/1 month off sorafenib. These patients subsequently remained in sustained complete molecular remission, with a median follow-up of 20 months. Our data indicate that sorafenib can achieve high rates of sustained remission in high-risk patients treated in combination with HSCT.


Assuntos
Doença Enxerto-Hospedeiro , Leucemia Mieloide Aguda/genética , Leucemia Mieloide Aguda/terapia , Mutação , Niacinamida/análogos & derivados , Compostos de Fenilureia/uso terapêutico , Tirosina Quinase 3 Semelhante a fms/genética , Adulto , Idoso , Feminino , Doença Enxerto-Hospedeiro/epidemiologia , Doença Enxerto-Hospedeiro/etiologia , Transplante de Células-Tronco Hematopoéticas , Humanos , Quimioterapia de Indução , Masculino , Pessoa de Meia-Idade , Niacinamida/uso terapêutico , Indução de Remissão , Estudos Retrospectivos , Fatores de Risco , Sorafenibe , Sequências de Repetição em Tandem/genética , Condicionamento Pré-Transplante/métodos , Transplante Homólogo , Resultado do Tratamento , Adulto Jovem
4.
Bone Marrow Transplant ; 57(6): 918-924, 2022 06.
Artigo em Inglês | MEDLINE | ID: mdl-35379914

RESUMO

Since July 2007 prospective life-long follow-up (FU) for unrelated (URD) and related donors (RD) is mandatory in Switzerland and data on every allogeneic haematopoietic progenitor cell (HPC) donation are collected prospectively. We report the real-world experience of HPC donation during a 10-year study period (01.07.2007-30.06.2017) with basic characteristics and FU data. 1105 donors underwent 1155 HPC donation procedures. Eighty percent of first donations performed by 802 (73%) RDs and 303 (27%) URDs were peripheral blood stem cells (PBSC), 20% bone marrow (BM). Male donors were over-represented as URD (60% male vs 40% female). Main differences between RDs and URDs concerned age and pre-existing health disorders. RDs were significantly older at first donation (median age 48 years) compared to URD (34 years, p < 0.0001) and had more pre-existing health problems: 25% vs 9% in URD (p < 0.0001). No fatal complications occurred, collection related severe adverse events (SAE) after first donation were not significantly different between groups (RD 1.2%, URD 0.99%), incidence rates for neoplastic and autoimmune diseases did not exceed the rates of the general population. RDs are a more heterogeneous and potentially more vulnerable group, but if donor evaluation is performed appropriately, HPC donation is still safe.


Assuntos
Doadores de Tecidos , Doadores não Relacionados , Feminino , Seguimentos , Células-Tronco Hematopoéticas , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Suíça/epidemiologia
5.
ESMO Open ; 7(2): 100403, 2022 04.
Artigo em Inglês | MEDLINE | ID: mdl-35272130

RESUMO

BACKGROUND: The COVID-19 pandemic has created enormous challenges for the clinical management of patients with hematological malignancies (HMs), raising questions about the optimal care of this patient group. METHODS: This consensus manuscript aims at discussing clinical evidence and providing expert advice on statements related to the management of HMs in the COVID-19 pandemic. For this purpose, an international consortium was established including a steering committee, which prepared six working packages addressing significant clinical questions from the COVID-19 diagnosis, treatment, and mitigation strategies to specific HMs management in the pandemic. During a virtual consensus meeting, including global experts and lead by the European Society for Medical Oncology and the European Hematology Association, statements were discussed and voted upon. When a consensus could not be reached, the panel revised statements to develop consensual clinical guidance. RESULTS AND CONCLUSION: The expert panel agreed on 33 statements, reflecting a consensus, which will guide clinical decision making for patients with hematological neoplasms during the COVID-19 pandemic.


Assuntos
COVID-19 , Neoplasias Hematológicas , Humanos , Consenso , Teste para COVID-19 , Neoplasias Hematológicas/epidemiologia , Neoplasias Hematológicas/terapia , Pandemias
6.
ESMO Open ; 6(1): 100013, 2021 02.
Artigo em Inglês | MEDLINE | ID: mdl-33422767

RESUMO

BACKGROUND: The effect of palliative chemotherapy for non-small cell lung cancer (NSCLC) is well established. Recently, immune checkpoint inhibitors have shown promising efficacy in NSCLC patients. However, little is known about the efficacy of cytotoxic chemotherapy in patients whose tumors are refractory to first-line chemotherapy. We investigated the outcome of all consecutive and unselected patients receiving palliative chemotherapy in a single institution to assess the efficacy of second-line chemotherapy in primary refractory NSCLC. PATIENTS AND METHODS: Patients with metastatic NSCLC diagnosed between 1990 and 2016 were assessed. Outcome parameters were collected and patients were characterized as either having primary progressive disease or clinical benefit [CB; defined as complete/partial remission (CR, PR) or stable disease (SD)]. Probabilities of survival were calculated using the Kaplan-Meier estimator. The log-rank test was used for comparing groups. Cox models were used to explore the prognostic value of covariables. RESULTS: The analysis included 576 patients. Median overall survival (OS) was 9.5 months [95% confidence interval (CI) 8.47-10.47]; 62.7% of patients were treated with a platinum-based first-line therapy. Two hundred twenty-two patients (38.5%) were primary refractory to first-line therapy. Median OS was significantly shorter for those patients [7.4 versus 11.5 months, hazard ratio (HR) 1.61 (95% CI 1.34-1.93), P < 0.0001]. Poorer initial performance status was significantly associated with primary refractory disease (P = 0.015). Eighty-one (36.5%) primary refractory patients received a second-line therapy. Median OS was significantly longer for refractory patients receiving second-line therapy versus best supportive care [10.1 versus 5.0 months, HR 0.53 (95% CI 0.40-0.72), P < 0.0001]. CONCLUSIONS: Nearly 40% of patients are primary refractory to palliative first-line therapy and have a poor prognosis. Active second-line therapy can significantly improve the outcome. Therefore, patients with primary refractory NSCLC should be offered further active therapy. These real-life data for primary refractory patients form the basis for further research in sequencing of current palliative treatment options.


Assuntos
Carcinoma Pulmonar de Células não Pequenas , Neoplasias Pulmonares , Carcinoma Pulmonar de Células não Pequenas/tratamento farmacológico , Humanos , Neoplasias Pulmonares/tratamento farmacológico , Prognóstico
7.
Bone Marrow Transplant ; 56(1): 167-174, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-32665676

RESUMO

Cardiovascular risk factors (CVRF) are frequent among long-term survivors after allogeneic hematopoietic cell transplantation (HCT) but prospective data on CVRF are sparse. We conducted a cross-sectional single center study including patients who underwent a first HCT mostly for hematologic malignancies at our center between 2000 and 2016, surviving at least 1 year. 260 patients (median age 54 years [range 19-78], 40% female) who were median 6 years (range 1-16) after transplantation were included. Most patients (232, 89%) had peripheral blood stem cell transplantation. cGVHD was present in 41% at the time of study inclusion. Prevalence of hypertension, dyslipidemia, and diabetes was 58%, 63% and 9%, respectively. Untreated hypertension, dyslipidemia and diabetes was found in 15%, 35% and 2%. Among patients with treated hypertension, 38% did not have blood pressure controlled to levels ≤140/90 mmHg. 36% patients under lipid-lowering therapy did not reach their LDL target. Multivariable logistic regression analyses showed that age and diabetes increased the likelihood for hypertension and dyslipidemia, whereas body mass index, cGVHD and male sex predicted hypertension only. In summary, CVRF in long-term survivors are frequent and persisting after cessation of immunosuppression. A large proportion of CVRF are either untreated or uncontrolled.


Assuntos
Doenças Cardiovasculares , Transplante de Células-Tronco Hematopoéticas , Adulto , Idoso , Doenças Cardiovasculares/epidemiologia , Doenças Cardiovasculares/etiologia , Estudos Transversais , Feminino , Fatores de Risco de Doenças Cardíacas , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Humanos , Masculino , Pessoa de Meia-Idade , Prevalência , Estudos Prospectivos , Fatores de Risco , Sobreviventes , Adulto Jovem
9.
Rev Med Suisse ; 5(201): 962-4, 966-7, 2009 Apr 29.
Artigo em Francês | MEDLINE | ID: mdl-19476059

RESUMO

Neurological complications of monoclonal gammopathy, or dysglobulinemia, are typically affecting the peripheral nerve. The clinical course is often chronic and progressive and requires a precise diagnosis of the type of plasma cell disorder associated with the neuropathy, to investigate other organs manifestations and to assess the presence of specific markers. These steps are required to initiate an appropriate therapy that may include chemotherapy, immunosuppressive or immunomodulatory treatment.


Assuntos
Paraproteinemias/complicações , Doenças do Sistema Nervoso Periférico/etiologia , Doenças do Sistema Nervoso Periférico/imunologia , Humanos
10.
Bone Marrow Transplant ; 41(1): 45-50, 2008 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-17982502

RESUMO

The aim was to determine whether outcome of unrelated donor transplantation for severe aplastic anemia has improved in recent years and whether this is due to patient selection or better transplant technology. We analyzed 498 patients transplanted during 1990-2005. By running univariate regression models dichotomizing year of transplantation we defined 1998 as the year of the most significant change in survival. Five-year survival increased from 32+/-8% before 1998 to 57+/-8% after 1998 (P<0.0001). When comparing the cohort before (n=149) and after 1998 (n=349), there were no differences except for older age, and more frequent use of PBSCs, after 1998. High-resolution HLA typing data were unavailable. After 1998, there was less graft failure (11 vs 26%, P<0.0001), less acute GvHD (cumulative incidence 28 vs 37%, P=0.02) and less chronic GvHD (22 vs 38%, P=0.004). In multivariate analyses adjusting for differences in age, HLA-mismatch, performance score and time to transplantation, there was no change in the year of transplant effect (relative risk of death in transplants after 1998: 0.44 (95% confidence interval 0.33-0.59)). There is no evidence for patient selection to explain significantly improved survival in patients transplanted after 1998. We speculate that this is due to better donor matching.


Assuntos
Anemia Aplástica/terapia , Transplante de Medula Óssea , Adolescente , Adulto , Idoso , Transplante de Medula Óssea/mortalidade , Criança , Pré-Escolar , Feminino , Doença Enxerto-Hospedeiro/prevenção & controle , Teste de Histocompatibilidade , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos
11.
Bone Marrow Transplant ; 39(6): 335-40, 2007 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-17342158

RESUMO

Patients with refractory/relapsing lymphoma are rarely cured by chemotherapy. High-dose chemotherapy (HDC) for tumor debulking followed by reduced-intensity conditioning (RIC) hematopoietic stem-cell transplantation (HSCT) has been advocated as a concept. We previously treated 10 patients (group A) with BEAM chemotherapy followed by delayed RIC HSCT at day 28. We now report on the subsequent 11 patients receiving BEAM followed immediately by fludarabine/total body irradiation and allogeneic HSCT (group B), and compare the outcome to group A patients. Non-hematological toxicity before engraftment was comparable, only gut toxicity was higher in group B. Days in aplasia, days on antibiotics and length of hospital stay were significantly longer in group A. Cumulative incidence of acute (GvHD) >or=grade II and incidence of chronic GvHD were lower in group B. At last follow-up, seven patients in group A were alive, with six of them in complete remission. In group B, nine patients were alive, seven of them in complete remission. No significant difference in estimated 3-year overall survival was seen. These data challenge the initial concept of debulking first and delaying allogeneic RIC HSCT. Allogeneic HSCT with standard BEAM conditioning is a valid alternative for patients with resistant/relapsed lymphoma, which might be considered earlier in the disease course.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Transplante de Células-Tronco Hematopoéticas/métodos , Linfoma/tratamento farmacológico , Condicionamento Pré-Transplante/métodos , Protocolos de Quimioterapia Combinada Antineoplásica/administração & dosagem , Carmustina/administração & dosagem , Citarabina/administração & dosagem , Etoposídeo/administração & dosagem , Feminino , Doença Enxerto-Hospedeiro , Efeito Enxerto vs Tumor , Humanos , Estimativa de Kaplan-Meier , Masculino , Melfalan/administração & dosagem , Indução de Remissão/métodos , Transplante Homólogo
12.
Bone Marrow Transplant ; 52(1): 66-72, 2017 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-27376446

RESUMO

Healthy cardiac autonomic functioning (CAF) is essential for maintaining homeostasis in response to the environmental demands of everyday life. Impaired CAF is associated with higher morbidity and higher mortality. To explore CAF in survivors of allogeneic hematopoietic stem cell transplantation (allo-HSCT) 1-10 years after transplant (median=4.3 years), an ambulatory assessment was performed with 104 patients, and 45 age- and gender-matched healthy controls. Heart rate (HR) and respiratory sinus arrhythmia (RSA, that is, high-frequency HR variability) were measured in a laboratory setting and during a 12-hour naturalistic period of daily life. Cancer-related fatigue was assessed by the Functional Assessment of Chronic Illness - Fatigue questionnaire; physical fitness by bicycle-ergometry VO2max. In contrast to healthy controls, 4-year post-HSCT fatigue was greater in patients (P<0.0001, Cohen's d effect size [d]=1.14), and fitness was lower in patients (P<0.0001, d=1.09). In both laboratory and real-life ambulatory conditions, average HR was persistently higher (P<0.0001, d=0.88) and mean RSA magnitude lower (P<0.001, d=0.69) among patients, compared with controls. Severely fatigued patients showed higher HR and lower parasympathetic cardiac control than non-fatigued patients (HR: P=0.02, d=0.47; RSA: P=0.02, d=0.72), and this was unrelated to fitness. These findings may have important implications for predicting long-term treatment outcome and consequences for routine post-HSCT care.


Assuntos
Sobreviventes de Câncer , Fadiga/fisiopatologia , Coração/fisiopatologia , Sistema Nervoso Parassimpático/fisiopatologia , Arritmia Sinusal Respiratória , Adolescente , Adulto , Idoso , Aloenxertos , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Neoplasias/fisiopatologia , Neoplasias/terapia
13.
Bone Marrow Transplant ; 52(10): 1436-1442, 2017 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-28650451

RESUMO

Return to work is critical goal following HSCT. However, late effects may impede return to normal activity after HSCT. In the case of inability to work, patients may need a work disability pension to ensure a reasonable livelihood. This study evaluated inability to work and need for disability pension among long-term survivors and analyzed possible determinants of need for social support. This retrospective, single-center study included all HSCT patients surviving ⩾5 years seen at the outpatient clinic between January 2013 and August 2015. There were 203 patients, median age at HSCT 35 years, and 50 years at time of study; median time between HSCT and study control was 12 years; 178 had allo-HSCT, 187 had a malignant disease. At time of study, 156 (77%) were working full or part-time, 47 (23%) were not working. In total, 76 (37%) survivors were receiving a work disability pension compared to 3.17% of the Swiss working population. Patients with a disability pension were significantly older at HSCT, were more often living alone, had more active physical and mental late effects, and higher score of fatigue compared to patients without. These findings underline the importance of screening for employment and the social consequences of non-employment in long-term survivors after HSCT.


Assuntos
Avaliação da Deficiência , Pessoas com Deficiência , Emprego , Transplante de Células-Tronco Hematopoéticas , Pensões , Sobreviventes , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Suíça
14.
Bone Marrow Transplant ; 52(2): 191-196, 2017 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-27819687

RESUMO

Hematopoietic stem cell transplantation (HSCT) is used with increasing frequency in Europe with 40 000 transplants reported in 2014. Transplant-related mortality remains high in allogeneic HSCT (10-20%); high-dose chemotherapy is toxic and demanding for patients. Drug development is accelerating and with limited toxicity of some targeted drugs may replace HSCT, whereas others may function as a 'bridge to transplant'. We analyzed HSCT reported to the activity survey for selected diseases in which major advances in drug development have been made. Tyrosine kinase inhibitors markedly changed the number of allogeneic HSCT in early CML. In myelodysplastic syndromes, hypomethylating agents show no effect on HSCT activity and Janus kinase inhibitors for myeloproliferative neoplasm appear to have only a temporary effect. For CLL autologous HSCT decreased after publication of trials showing improved PFS but no overall survival advantage and allogeneic rates are dropping after the introduction of Bruton kinase and PI3K Inhibitors. Whether these are 'game changers' as was imatinib for CML requires additional follow-up. For myeloma, proteasome inhibitors and new immunomodulatory drugs do not appear to impact transplant rates. Drug development data show different effects on HSCT use; highly effective drugs may replace HSCT, whereas other drugs may improve the patient's condition to allow for HSCT.


Assuntos
Antineoplásicos/administração & dosagem , Descoberta de Drogas , Neoplasias Hematológicas/terapia , Transplante de Células-Tronco Hematopoéticas , Aloenxertos , Europa (Continente) , Feminino , Humanos , Masculino , Sociedades Médicas
15.
Bone Marrow Transplant ; 52(6): 811-817, 2017 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-28287639

RESUMO

Hematopoietic stem cell transplantation (HSCT) is an established procedure for many acquired and congenital disorders of the hematopoietic system. A record number of 42 171 HSCT in 37 626 patients (16 030 allogeneic (43%), 21 596 autologous (57%)) were reported by 655 centers in 48 countries in 2015. Trends include continued growth in transplant activity over the last decade, with the highest percentage increase seen in middle-income countries but the highest absolute growth in the very-high-income countries in Europe. Main indications for HSCT were myeloid malignancies 9413 (25%; 96% allogeneic), lymphoid malignancies 24 304 (67%; 20% allogeneic), solid tumors 1516 (4%; 3% allogeneic) and non-malignant disorders 2208 (6%; 90% allogeneic). Remarkable is the decreasing use of allogeneic HSCT for CLL from 504 patients in 2011 to 255 in 2015, most likely to be due to new drugs. Use of haploidentical donors for allogeneic HSCT continues to grow: 2012 in 2015, a 291% increase since 2005. Growth is seen for all diseases. In AML, haploidentical HSCT increases similarly for patients with advanced disease and for those in CR1. Both marrow and peripheral blood are used as the stem cell source for haploidentical HSCT with higher numbers reported for the latter.


Assuntos
Transplante de Células-Tronco Hematopoéticas , Sistema de Registros , Aloenxertos , Autoenxertos , Europa (Continente) , Feminino , Humanos , Masculino , Sociedades Médicas
16.
Leukemia ; 31(1): 26-33, 2017 01.
Artigo em Inglês | MEDLINE | ID: mdl-27416910

RESUMO

Post-remission treatment (PRT) in patients with cytogenetically normal (CN) acute myeloid leukemia (AML) in first complete remission (CR1) is debated. We studied 521 patients with CN-AML in CR1, for whom mutational status of NPM1 and FLT3-ITD was available, including the FLT3-ITD allelic ratio. PRT consisted of reduced intensity conditioning (RIC) allogeneic hematopoietic stem cell transplantation (alloHSCT) (n=68), myeloablative conditioning (MAC) alloHSCT (n=137), autologous hematopoietic stem cell transplantation (autoHSCT) (n=168) or chemotherapy (n=148). Favorable overall survival (OS) was found for patients with mutated NPM1 without FLT3-ITD (71±4%). Outcome in patients with a high FLT3-ITD allelic ratio appeared to be very poor with OS and relapse-free survival (RFS) of 23±8% and 12±6%, respectively. Patients with wild-type NPM1 without FLT3-ITD or with a low allelic burden of FLT3-ITD were considered as intermediate-risk group because of similar OS and RFS at 5 years, in which PRT by RIC alloHSCT resulted in better OS and RFS as compared with chemotherapy (hazard ratio (HR) 0.56, P=0.022 and HR 0.50, P=0.004, respectively) or autoHSCT (HR 0.60, P=0.046 and HR 0.60, P=0.043, respectively). The lowest cumulative incidence of relapse (23±4%) was observed following MAC alloHSCT. These results suggest that alloHSCT may be preferred in patients with molecularly intermediate-risk CN-AML, while the choice of conditioning type may be personalized according to risk for non-relapse mortality.


Assuntos
Transplante de Células-Tronco Hematopoéticas/métodos , Leucemia Mieloide Aguda/genética , Proteínas Nucleares/genética , Tirosina Quinase 3 Semelhante a fms/genética , Adolescente , Adulto , Feminino , Transplante de Células-Tronco Hematopoéticas/mortalidade , Humanos , Leucemia Mieloide Aguda/classificação , Leucemia Mieloide Aguda/mortalidade , Masculino , Pessoa de Meia-Idade , Mutação , Nucleofosmina , Medicina de Precisão/métodos , Indução de Remissão , Medição de Risco , Taxa de Sobrevida , Sequências de Repetição em Tandem , Condicionamento Pré-Transplante/métodos , Adulto Jovem
17.
Bone Marrow Transplant ; 38(12): 799-805, 2006 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-17075568

RESUMO

Long-term survivors of hematopoietic stem cell transplants remain at risk of potentially fatal complications that detract from life quality. Long-term morbidity and mortality were compared between matched recipient cohorts surviving 2 or more years and defined by donor type, HLA matched sibling donor (MSD) or volunteer unrelated donor (URD). Patients were previously entered into the prospective multicenter International Unrelated Search and Transplant Study. Thirty-nine centers provided data on 108 URD and 355 MSD recipients surviving more than 2 years. Long-term survival, performance status, chronic GvHD (c-GvHD), secondary malignancy, endocrine dysfunction, cataracts, bone necrosis and dental pathology were compared between cohorts. Twelve year survival was 77+/-5% for the MSD and 67+/-11% for the URD cohort (P=0.1). Late death occurred in 105 of 463 recipients alive at 2 years, 73 after 355 (21%) MSD and 32 after 108 (30%) URD transplants, P=0.10. Of 105 deaths, the cause was relapse in 60 and unrelated to relapse in 45 cases. Cumulative incidence of extensive c-GvHD (P=0.002), cataracts (P=0.02) and bone necrosis (P=0.02) was higher after URD transplants. No long-term difference in endocrine dysfunction, secondary malignancy and major dental pathology was detected. This landmark study will assist physicians counseling patients pre-transplant and with their long-term care post transplant.


Assuntos
Doença Enxerto-Hospedeiro/mortalidade , Neoplasias Hematológicas/mortalidade , Transplante de Células-Tronco Hematopoéticas/mortalidade , Irmãos , Doadores de Tecidos , Adolescente , Adulto , Criança , Pré-Escolar , Intervalo Livre de Doença , Feminino , Seguimentos , Doença Enxerto-Hospedeiro/terapia , Neoplasias Hematológicas/terapia , Humanos , Lactente , Assistência de Longa Duração/métodos , Masculino , Pessoa de Meia-Idade , Taxa de Sobrevida
18.
Bone Marrow Transplant ; 37(10): 909-16, 2006 May.
Artigo em Inglês | MEDLINE | ID: mdl-16565739

RESUMO

It is currently unknown what degree of human leukocyte antigen (HLA)-mismatching is acceptable in unrelated donor hematopoietic stem cell transplantation (UD-HSCT). Mismatches at some loci may be more permissive than others. We have analyzed the effect of high-resolution HLA-matching on outcome of all 214 consecutive recipients of UD-HSCT carried out in Switzerland. All typing was by the Swiss reference laboratory. Donor-recipient pairs were HLA-10/10 matched (n=130) or mismatched for either HLA-A/-B/-DRB1/multiple loci (n=33; (HLA-A/-B=10); (-DRB1=8); (multiple=15)); HLA-C (n=29) or HLA-DQ/-DRB3 (n=22; (DQ=16); (-DRB1=6)). The median follow-up was 32 months. Survival probabilities (+/-95% confidence interval) at 3 years were 57 (+/-10)% for recipients of HLA 10/10-matched transplants, 53 (+/-22)% for recipients of HLA-DQ/-DRB3-mismatched transplants, 44 (+/-20)% for recipients of HLA-C-mismatched transplants and 0% for recipients of transplants mismatched at HLA-A/-B/-DRB1/multiple loci (P<0.0001). In multivariate analyses, HLA compatibility was the variable most significantly associated with survival and treatment-related mortality. We found important differences in survival in recipients of UD-HSCT with best results for transplants from 10/10 matched donors. Single mismatches at HLA-DQ/-DRB3 were well tolerated, mismatches at HLA-C had intermediate results and mismatches at HLA-A/-B/-DRB1/multiple loci resulted in poor survival.


Assuntos
Antígenos HLA/química , Teste de Histocompatibilidade/métodos , Histocompatibilidade , Transplante de Células-Tronco/métodos , Adolescente , Adulto , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Doadores Vivos , Masculino , Pessoa de Meia-Idade , Suíça
19.
Bone Marrow Transplant ; 37(7): 641-9, 2006 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-16489361

RESUMO

For patients with acquired severe aplastic anemia without a matched sibling donor and not responding to immunosuppressive treatment, bone marrow transplantation from a suitable alternative donor is often attempted. We examined risks of graft failure, graft-versus-host disease and overall survival after 318 alternative donor transplants between 1988 and 1998. Sixty-six patients received allografts from 1-antigen and 20 from >1-antigen mismatched related donors; 181 from matched and 51 from mismatched unrelated donors. Most patients were young, had had multiple red blood cell transfusions and poor performance score at transplantation. We did not observe differences in risks of graft failure and overall mortality by donor type. The probabilities of graft failure at 100 days after 1-antigen mismatched related donor, >1-antigen mismatched related donor, matched unrelated donor and mismatched unrelated donor transplants were 21, 25, 15 and 18%, respectively. Corresponding probabilities of overall survival at 5 years were 49, 30, 39 and 36%, respectively. Although alternative donor transplantation results in long-term survival, mortality rates are high. Poor performance score and older age adversely affect outcomes after transplantation. Therefore, early referral for transplantation should be encouraged for patients who fail immunosuppressive therapy and have a suitable alternative donor.


Assuntos
Anemia Aplástica/terapia , Transplante de Medula Óssea , Adolescente , Adulto , Transplante de Medula Óssea/efeitos adversos , Criança , Pré-Escolar , Feminino , Sobrevivência de Enxerto , Doença Enxerto-Hospedeiro/diagnóstico , Doença Enxerto-Hospedeiro/terapia , Antígenos HLA/análise , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Taxa de Sobrevida , Doadores de Tecidos , Condicionamento Pré-Transplante/métodos , Transplante Homólogo , Resultado do Tratamento
20.
Bone Marrow Transplant ; 51(6): 786-92, 2016 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-26901709

RESUMO

A record number of 40 829 hematopoietic stem cell transplantation (HSCT) in 36 469 patients (15 765 allogeneic (43%), 20 704 autologous (57%)) were reported by 656 centers in 47 countries to the 2014 survey. Trends include: continued growth in transplant activity, more so in Eastern European countries than in the west; a continued increase in the use of haploidentical family donors (by 25%) and slower growth for unrelated donor HSCT. The use of cord blood as a stem cell source has decreased again in 2014. Main indications for HSCT were leukemias: 11 853 (33%; 96% allogeneic); lymphoid neoplasias; 20 802 (57%; 11% allogeneic); solid tumors; 1458 (4%; 3% allogeneic) and non-malignant disorders; 2203 (6%; 88% allogeneic). Changes in transplant activity include more allogeneic HSCT for AML in CR1, myeloproliferative neoplasm (MPN) and aplastic anemia and decreasing use in CLL; and more autologous HSCT for plasma cell disorders and in particular for amyloidosis. In addition, data on numbers of teams doing alternative donor transplants, allogeneic after autologous HSCT, autologous cord blood transplants are presented.


Assuntos
Transplante de Células-Tronco Hematopoéticas/estatística & dados numéricos , Inquéritos e Questionários , Amiloidose/terapia , Anemia Aplástica/terapia , Transplante de Células-Tronco de Sangue do Cordão Umbilical/estatística & dados numéricos , Europa (Continente) , Transplante de Células-Tronco Hematopoéticas/métodos , Transplante de Células-Tronco Hematopoéticas/tendências , Humanos , Neoplasias/terapia , Equipe de Assistência ao Paciente/estatística & dados numéricos , Equipe de Assistência ao Paciente/tendências , Doadores de Tecidos/estatística & dados numéricos , Transplante Autólogo , Transplante Haploidêntico , Transplante Homólogo
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA