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Costs of second allogeneic hematopoietic cell transplantation.

ABSTRACT: A second allogeneic transplantation after a prior allogeneic (allo-allo) or autologous (auto-allo) hematopoietic cell transplantation (HCT) is usually performed for graft failure, disease recurrence, secondary malignancy, and, as planned, auto-allo transplantation for some diseases.We sought to describe the costs of second allogeneic HCT and evaluate their relationship with patient characteristics and posttransplantation complications. Clinical information and medical costs for the first 100 days after transplantation of 245 patients (allo-allo, 55; auto-allo, 190) who underwent a second HCT between 2004 and 2010 were collected.Median costs of the second allogeneic HCT were U.S. $151,000 (range, U.S. $62,000-405,000) for the allo-allo group and U.S. $109,000 (range, U.S. $26,000-490,000) for the auto-allo group. Median length of hospital stay was 23 days (range, 0-76) for the allo-allo group and 9 days (range, 0-96) for the auto-allo group. Only the year of transplantation and posttransplantation complications were significantly associated with costs in both groups when both pre- and posttransplantation variables were considered. The overall costs of the second HCT were higher than the first in the allo-allo group. For the auto-allo group, there was no difference between the costs whether preformed as a planned tandem or as salvage for relapse.Our results suggest that second allogeneic HCT is costly, particularly if it follows a prior allogeneic transplantation, and is driven by the costs of complications.

SUBMITTER: Khera N

PROVIDER: S-EPMC3696423 | biostudies-other | 2013 Jul

REPOSITORIES: biostudies-other

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Costs of second allogeneic hematopoietic cell transplantation.

Khera Nandita N Storer Barry B Sandmaier Brenda M BM Chapko Michael K MK Lee Stephanie J SJ

Transplantation 20130701 1

<h4>Background</h4>A second allogeneic transplantation after a prior allogeneic (allo-allo) or autologous (auto-allo) hematopoietic cell transplantation (HCT) is usually performed for graft failure, disease recurrence, secondary malignancy, and, as planned, auto-allo transplantation for some diseases.<h4>Methods</h4>We sought to describe the costs of second allogeneic HCT and evaluate their relationship with patient characteristics and posttransplantation complications. Clinical information and ...[more]

PMID: 23694949

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Project description:To identify favored choice of transplantation in patients with acute promyelocytic leukemia (APL) in second complete remission, we studied 294 patients with APL in second complete remission (CR2) receiving allogeneic (n = 232) or autologous (n = 62) hematopoietic cell transplantation (HCT) reported to the Center for International Blood and Marrow Transplantation Research (CIBMTR) from 1995 to 2006, including 155 with pre-HCT PML/RAR∝ status (49% of allogeneic and 66% of autologous). Patient characteristics and transplantation characteristics, including treatment-related mortality, overall survival (OS), and disease-free survival, were collected and analyzed for both univariate and multivariate outcomes. With median follow-up of 115 (allogeneic) and 72 months (autologous), 5-year disease-free survival (DFS) favored autologous with 63% (49% to 75%), compared with allogeneic at 50% (44% to 57%) (P = .10). OS was 75% (63% to 85%) versus 54% (48% to 61%) (P = .002), for autologous and allogeneic transplantation, respectively. Multivariate analysis showed significantly worse DFS after allogeneic HCT (hazard ratio [HR], 1.88; 95% confidence interval [CI], 1.16 to 3.06; P = .011) and age > 40 years (HR, 2.30; 95% CI, 1.44 to 3.67; P = .0005). OS was significantly worse after allogeneic HCT (HR, 2.66; 95% CI, 1.52 to 4.65; P= .0006); age > 40 (HR, 3.29; 95% CI, 1.95 to 5.54; P < .001), and first complete remission < 12 months (HR, 1.56; 95% CI, 1.07 to 2.26; P = .021). Positive pre-HCT PML-RAR∝ status in 17 of 114 allogeneic and 6 of 41 receiving autologous transplantation did not influence relapse, treatment failure, or survival in either group. The survival advantage for autografting was attributable to increased treatment-related mortality (TRM) in the allogeneic group of 30% compared to 2% in the autologous group, in addition to the added mortality associated with GVHD. We conclude that autologous HCT yields superior OS for APL in CR2. Long-term DFS in autologous recipients, even with minimal residual disease-positive grafts, remains an important subject for further study.

Project description:Noninfectious pulmonary toxicity (NPT), a significant complication of allogeneic hematopoietic cell transplantation (alloHCT), includes idiopathic pneumonia syndrome (IPS), diffuse alveolar hemorrhage (DAH), and cryptogenic organizing pneumonia (COP), with an overall incidence ranging from 1% to 15% in different case series and a variable mortality rate. A registry study of the epidemiology and outcomes of NPT after alloHCT has not been conducted to date. The primary objective of the present study was to assess the incidence of and risk factors for IPS, DAH, and COP; the secondary objective was to assess overall survival (OS) in patients developing NPT. This retrospective study included adult patients who underwent alloHCT between 2008 and 2017 and reported to the Center for International Blood and Marrow Transplant Research. Multivariable Cox proportional hazards regression models were developed to identify the risk factors for development of NPT and for OS, by including pretransplantation clinical variables and time-dependent variables of neutrophil and platelet recovery, and acute graft-versus-host disease (GVHD) post-transplantation. This study included 21,574 adult patients, with a median age of 55 years. According to the HCT Comorbidity Index (HCT-CI), 24% of the patients had moderate pulmonary comorbidity and 15% had severe pulmonary comorbidity. The cumulative incidence of NPT at 1 year was 8.1% (95% confidence interval [CI], 7.7% to 8.5%). Individually, the 1-year cumulative incidences of IPS, DAH, and COP were 4.9% (95% CI, 4.7% to 5.2%), 2.1% (95% CI, 1.9% to 2.3%), and .7% (95% CI, .6% to .8%), respectively. Multivariable analysis showed that severe pulmonary comorbidity, grade II-IV acute GVHD, mismatched unrelated donor and cord blood transplantation, and HCT-CI score ≥1 significantly increased the risk of NPT. In contrast, alloHCT performed in 2014 or later, non-total body irradiation (TBI)- and TBI-based nonmyeloablative conditioning and platelet recovery were associated with a decreased risk. In a landmark analysis at day+100 post-transplantation, the risk of DAH was significantly lower in patients who had platelet recovery by day +100. Multivariable analysis for OS demonstrated that NPT significantly increased the mortality risk (hazard ratio, 4.2; P < .0001).

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Costs of second allogeneic hematopoietic cell transplantation.

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Costs of second allogeneic hematopoietic cell transplantation.

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