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1.
Biol Blood Marrow Transplant ; 26(3): 502-508, 2020 03.
Artigo em Inglês | MEDLINE | ID: mdl-31730920

RESUMO

Allogeneic blood or marrow transplantation (allo-BMT) remains the only treatment for chronic lymphocytic leukemia (CLL) with curative potential. Although post-transplantation cyclophosphamide (PTCy) reduces allo-BMT toxicity by decreasing the risk of graft-versus-host disease (GVHD), its effect on CLL allo-BMT outcomes is unknown. We studied 64 consecutive patients with CLL who underwent nonmyeloablative (NMA) haploidentical allo-BMT at Johns Hopkins Sidney Kimmel Comprehensive Cancer Center. In this cohort, the 4-year overall survival was 52% (95% confidence interval [CI], 40% to 68%), and progression-free survival was 37% (95% CI, 26% to 54%). Six patients experienced engraftment failure. PTCy prophylaxis was associated with a modest cumulative incidence of 1-year grade II-IV acute GVHD (27%; %95% CI, 15% to 38%) and %%%2-year chronic GVHD (17%; 95% CI, 7% to 26%). We demonstrate that NMA haploidentical allo-BMT with PTCy is a safe and effective treatment option.


Assuntos
Doença Enxerto-Hospedeiro , Transplante de Células-Tronco Hematopoéticas , Leucemia Linfocítica Crônica de Células B , Medula Óssea , Transplante de Medula Óssea , Ciclofosfamida/uso terapêutico , Doença Enxerto-Hospedeiro/prevenção & controle , Humanos , Leucemia Linfocítica Crônica de Células B/terapia
2.
Blood Adv ; 3(17): 2608-2616, 2019 09 10.
Artigo em Inglês | MEDLINE | ID: mdl-31492679

RESUMO

Hematologic malignancies in older people are unlikely to be cured with chemotherapy alone. Advances in allogeneic blood or marrow transplantation (alloBMT), especially nonmyeloablative (NMA) conditioning and the use of haploidentical donors, now make this therapy available to older people; however, long-term outcomes and predictors of success are unclear. We reviewed the outcomes of 93 consecutive patients aged 70 and older (median, 72; range, 70-78), who underwent haploidentical BMT at Johns Hopkins Hospital between 1 September 2009 and 1 April 2018. All patients received NMA conditioning and posttransplantation cyclophosphamide (PTCy) as graft-versus-host disease (GVHD) prophylaxis. The 2-year overall survival was 53%, and 2-year event-free survival was 43%. The 180-day cumulative incidence (CuI) of nonrelapse mortality (NRM) was 14%, and the 2-year CuI was 27%. The 2-year CuI of relapse was 30%. Of 78 patients who were alive and had their weight recorded on day 180, weight loss predicted subsequent NRM (subdistribution hazard ratio, 1.0; 95% CI, 1-1.13; P = .048). In conclusion, haploidentical BMT with PTCy is feasible and relatively safe in septuagenarians. Although early, 6-month NRM was relatively low at 14%, but overall NRM continued to climb to 27% at 2 years, at least in part because of late deaths that appeared to be somewhat age related. Further studies to elucidate predictors of NRM are warranted.


Assuntos
Ciclofosfamida/uso terapêutico , Doença Enxerto-Hospedeiro/prevenção & controle , Neoplasias Hematológicas/terapia , Transplante Haploidêntico/métodos , Idoso , Feminino , Doença Enxerto-Hospedeiro/etiologia , Neoplasias Hematológicas/mortalidade , Humanos , Masculino , Recidiva , Estudos Retrospectivos , Análise de Sobrevida , Condicionamento Pré-Transplante/métodos , Transplante Haploidêntico/efeitos adversos , Transplante Haploidêntico/mortalidade , Redução de Peso
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