RESUMEN
Allogeneic hematopoietic stem cell transplantation (HSCT) is the only established curative option for Fanconi anemia (FA) associated bone marrow failure (BMF)/aplastic anemia (AA) and hematological malignancy. We performed a retrospective multicenter study on 813 FA children undergoing first HSCT between 2010 and 2018. Median duration of follow-up was 3.7 years (interquartile range, 3.4-4.0). Median age at transplant was 8.8 years (6.5-18.1). Overall survival (OS), event-free survival (EFS) and GvHD-free, relapse-free survival (GRFS) at 5 years were 83% (80-86%), 78% (75-81%) and 70% (67-74%) respectively. OS was comparable between matched family donor (MFD, n=441, 88%) and matched unrelated donor (MUD, n=162, 86%) and was superior to that of mismatched family or unrelated donor (MMFD/MMUD, n=144, 72%) and haploidentical donor (HID) (n=66, 70%, p<0.001). In multivariable analysis, a transplant indication of acute myeloid leukaemia/myelodysplastic syndrome compared to AA/BMF, use of MMFD/MMUD and HID compared to MFD, Fludarabine-Cyclophosphamide (FluCy) + other conditioning compared to FluCy independently predicted inferior OS, while alemtuzumab compared to ATG was associated with better OS. Age ï³ 10 years was associated with worse EFS and GRFS. Cumulative incidences (CIN) of primary and secondary graft failure were 2% (1-3%) and 3% (2-4%) respectively. CIN of grade II-IV acute GvHD, grade III-IV acute GvHD and chronic GvHD were 23% (20-26%), 12% (10-15%) and 8% (6-10%) respectively. The 5-year CIN of secondary malignancy was 2% (1-3%). These data suggest that HSCT should be offered to Fanconi Anemia patients with AA/BMF at a younger age in the presence of a well-matched donor.
RESUMEN
PURPOSE: To understand the current practice in relation to the management of topical therapy for cutaneous chronic Graft versus Host Disease (ccGvHD) and access to extracorporeal photopheresis (ECP) within European allogeneic haematopoietic cell transplantation centres by a survey of nurses. METHOD: This was a multicentre cross-national study at eligible European Blood and Marrow Transplant centres. Eligibility required more than 30% of treated patients having allogeneic haematopoietic cell transplant. Centres performing only autologous stem cell transplants were excluded from the study. RESULTS: 12% of respondents were unaware of whether their centre had a policy or not for monitoring chronic cutaneous graft versus host disease. Over half had the affiliation of a dermatologist for referral, but only 19% had access to a specialist nurse. Patient education was routinely provided in most of the centres (86%). Results suggested as the severity of a patient's chronic cutaneous graft versus host disease increased, there was a reduction in the amount of topical emollients and steroids employed. Following topical therapies, systemic treatments, and other modalities such as ECP were employed with less focus directed towards topical care. CONCLUSIONS: Topical treatment is the backbone of any treatment paradigm for chronic cutaneous graft versus host disease, however, there is no universally agreed algorithm. Improved skin care may lead to a reduction in the amount of systemic therapy required, thus increasing patients' quality of life. There is little standardisation in the topical management of chronic cutaneous graft versus host disease, despite skin being the most cited organ affected by chronic graft versus host disease, this should be addressed.
Asunto(s)
Síndrome de Bronquiolitis Obliterante , Enfermedad Injerto contra Huésped , Trasplante de Células Madre Hematopoyéticas , Humanos , Trasplante de Células Madre Hematopoyéticas/efectos adversos , Médula Ósea , Calidad de Vida , Enfermedad Injerto contra Huésped/tratamiento farmacológico , Enfermedad Injerto contra Huésped/etiología , Encuestas y Cuestionarios , Enfermedad CrónicaRESUMEN
Haploidentical stem cell transplantation (haplo-SCT) represents the main alternative for children with inherited bone marrow failure syndrome (I-BMF) lacking a matched donor. This retrospective study, conducted on behalf of the EBMT SAAWP and PDWP, aims to report the current outcomes of haplo-SCT in I-BMFs, comparing the different in vivo and ex vivo T-cell depletion approaches. One hundred and sixty-two I-BMF patients who underwent haplo-SCT (median age 7.4 years) have been registered. Fanconi Anemia was the most represented diagnosis (70.1%). Based on different T-cell depletion (TCD) approaches, four categories were identified: (1) TCRαß+/CD19+-depletion (43.8%); (2) T-repleted with post-transplant Cyclophosphamide (PTCy, 34.0%); (3) In-vivo T-depletion with ATG/alemtuzumab (14.8%); (4) CD34+ positive selection (7.4%). The cumulative incidences (CI) of neutrophil and platelet engraftment were 84% and 76% respectively, while that of primary and secondary graft failure was 10% and 8% respectively. The 100-day CI of acute GvHD grade III-IV(95% CI) was 13%, while the 24-month CI of extensive chronic GvHD was 4%. After a median follow-up of 43.4 months, the 2-year overall survival(OS) and GvHD/Rejection-free Survival (GRFS) probabilities are 67% and 53%, respectively. The TCR CD3+αß+/CD19+ depletion group showed a significantly lower incidence of both acute and chronic GvHD and higher OS (79%; p0.013) and GRFS (71%; p < .001), while no significant differences in outcomes have been observed by different diagnosis and conditioning regimens. This large retrospective study supports the safety and feasibility of haplo-SCT in I-BMF patients. TCRαß+/CD19+ depletion offers higher chances of patients' survival, with a significantly lower risk of severe a- and c-GvHD in I-BMFs compared to other platforms.
Asunto(s)
Anemia Aplásica , Humanos , Niño , Estudios Retrospectivos , Masculino , Femenino , Preescolar , Adolescente , Anemia Aplásica/terapia , Lactante , Trasplante de Células Madre Hematopoyéticas , Enfermedad Injerto contra Huésped/etiología , Enfermedad Injerto contra Huésped/prevención & control , Trastornos de Fallo de la Médula Ósea , Trasplante Haploidéntico , Depleción Linfocítica , Acondicionamiento Pretrasplante/métodos , Hemoglobinuria Paroxística/terapia , Anemia de Fanconi/terapia , Anemia de Fanconi/mortalidad , Enfermedades de la Médula Ósea/terapia , Antígenos HLA/genética , Antígenos HLA/inmunologíaRESUMEN
Although CMML since long has been separated from MDS, many studies continue to evaluate the outcomes of both diseases after hematopoietic cell transplantation (allo-HCT) together. Data evaluating outcomes of a large CMML cohort after allo-HCT compared to MDS are limited. We aim to compare outcomes of CMML to MDS patients who underwent allo-HCT between 2010 and 2018. Patients ≥18 years with CMML and MDS undergoing allo-HCT reported to the EBMT registry were analyzed. Progression to AML before allo-HCT was an exclusion criterion. Overall survival (OS), progression/relapse-free survival (PFS), relapse incidence (including progression) (REL), and non-relapse mortality (NRM) were evaluated in univariable and multivariable (MVA) Cox proportional hazard models including interaction terms between disease and confounders. In total, 10832 patients who underwent allo-HCT were included in the study, there were a total of 1466 CMML, and 9366 MDS. The median age at time of allo-HCT in CMML (median 60.5, IQR 54.3-65.2 years) was significantly higher than in the MDS cohort (median 58.8, IQR 50.2-64.5 years; p < .001). A significantly higher percentage of CMML patients were male (69.4%) compared to MDS (61.2%; p < .001). There were no clinically meaningful differences in the distribution of Karnofsky score, Sorror HCT-CI score at allo-HCT, and donor type, between the CMML and MDS patients. RIC platforms were utilized in 63.9% of CMML allo-HCT, and in 61.4% of MDS patients (p = .08). In univariable analyses, we found that OS, PFS, and REL were significantly worse in CMML when compared with MDS (all p < .0001), whereas no significant difference was observed in NRM (p = .77). In multivariable analyses, the HR comparing MDS versus CMML for OS was 0.81 (95% CI, 0.74-0.88, p < .001), PFS 0.76 (95% CI 0.70-0.82, p < .001), relapse 0.66 (95% CI 0.59-0.74, p < .001), and NRM 0.87 (95% CI 0.78-0.98, p = .02), respectively. The association between baseline variables and outcome was found to be similar in MDS and CMML (all interaction p > .05) except for a decreasing trend over time of the risk of relapse in CMML (HR allo-HCT per year later 0.94, 95% CI 0.90-0.98), whereas no such trend was observed in MDS (HR 1.00, 95% CI 0.98-1.02). The poor outcome observed for CMML could be related to variables not measured in this study or to factors inherent to the disease itself. This study demonstrates that outcomes of CMML patients after allo-HCT are significantly worse compared to MDS. The results of this study may contribute to future recommendations for allo-HCT in CMML patients.
Asunto(s)
Trasplante de Células Madre Hematopoyéticas , Humanos , Masculino , Persona de Mediana Edad , Anciano , Femenino , Trasplante Homólogo , Trasplante de Células Madre Hematopoyéticas/métodos , Modelos de Riesgos Proporcionales , Donantes de Tejidos , Recurrencia , Estudios Retrospectivos , Acondicionamiento Pretrasplante/métodosRESUMEN
Androgens represent the historical therapeutic backbone of bone marrow failure (BMF) syndromes. However, their role has rarely been analyzed in a prospective setting, and systematic and long-term data regarding their usage, effectiveness and toxicity in both acquired and inherited BMF are currently unavailable. Here, taking advantage of a unique disease-specific international dataset, we retrospectively analyzed the largest cohort so far of BMF patients who received androgens before or in the absence of an allogeneic hematopoietic cell transplantation (HCT), re-evaluating their current use in these disorders. We identified 274 patients across 82 European Society for Blood and Marrow Transplantation (EBMT) affiliated centers: 193 with acquired (median age 32 years) and 81 with inherited (median age 8 years) BMF. With a median duration of androgen treatment of 5.6 and 20 months, respectively, complete and partial remission rates at 3 months were 6% and 29% in acquired and 8% and 29% in inherited disorders. Five-year overall survival and failure-free survival (FFS) were respectively 63% and 23% in acquired and 78% and 14% in inherited BMF. Androgen initiation after second-line treatments for acquired BMF, and after >12 months post diagnosis for inherited BMF were identified as factors associated with improved FFS in multivariable analysis. Androgen use was associated with a manageable incidence of organ-specific toxicity, and low rates of solid and hematologic malignancies. Sub-analysis of transplant-related outcomes after exposure to these compounds showed probabilities of survival and complications similar to other transplanted BMF cohorts. This study delivers a unique opportunity to track androgen use in BMF syndromes and represents the basis for general recommendations on this category of therapeutics on behalf of the Severe Aplastic Anemia Working Party of the EBMT.