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Clinical risks and healthcare utilization of haematopoietic cell transplantation for sickle cell disease in the U.S. using merged databases.

Clinical risks and healthcare utilization of haematopoietic cell transplantation for sickle cell disease in the U.S. using merged databases.

Haematologica. 2017 Aug 17;:

Authors: Arnold SD, Brazauskas R, He N, Li Y, Aplenc R, Jin Z, Hall M, Atsuta Y, Dalal J, Hahn T, Khera N, Bonfim C, Majhail NS, Diaz MA, Freytes CO, Wood WA, Savani BM, Kamble RT, Parsons S, Ahmed I, Sullivan K, Beattie S, Dandoy C, Munker R, Marino S, Bitan M, Abdel-Azim H, Aljurf M, Olsson RF, Joshi S, Buchbinder D, Eckrich MJ, Hashmi S, Lazarus H, Marks DI, Steinberg A, Saad A, Gergis U, Krishnamurti L, Abraham A, Rangarajan HG, Walters M, Lipscomb J, Saber W, Satwani P

Abstract
Allogeneic hematopoietic cell transplant advances for sickle cell disease improve outcomes, but limited healthcare utilization analysis exists. We hypothesized that early transplant (age < 10 years) improves outcomes and decreases healthcare utilization compared to late. We performed a retrospective study of US children transplanted for sickle cell during 2000-2013 using two large databases. Univariate and Cox models estimated associations between demographics, sickle cell severity, and transplant-related variables on mortality and chronic graft versus-host-disease; while, Wilcoxon, Kruskal-Wallis, or linear trend tests estimated against healthcare utilization. 161 patients with 90% 2-year overall survival (95% confidence interval [CI] 85-95%) displayed significantly higher mortality late versus early (hazard ratio (HR) 21, 95% CI 2.8-160.8, p=0.003) and unrelated compared to matched sibling donor (HR 5.9, 95% CI 1.7-20.2, p=0.005) and chronic graft versus host disease late (HR 1.9, 95% CI 1.0-3.5, p=0.034) and unrelated (HR 2.5, 95%CI 1.2-5.4; p=0.017). 176 merged patients had $467,747 median total adjusted transplant cost per patient (range: $344,029-$799,219). Matched sibling donor and low severity had the lowest healthcare utilization compared to other donor and severity types (p<0.001 and p=0.022, respectively); late transplant demonstrated no association (p=0.775). Patients with 2-yr pre- and post-transplant data (N=41) showed significant admission (p<0.001), length of stay (p<0.001), and cost (p=0.008) reductions. Superior early transplant outcomes require prospective studies in young children without severe disease and an available matched sibling to provide conclusive evidence for this approach. Reduced post-transplant healthcare utilization inpatient care indicates that transplant may provide a sustained decrease in healthcare costs over time.

PMID: 28818869 [PubMed - as supplied by publisher]




Erythropoietin stimulates murine and human Fibroblast growth factor-23, revealing novel roles for bone and bone marrow.

Erythropoietin stimulates murine and human Fibroblast growth factor-23, revealing novel roles for bone and bone marrow.

Haematologica. 2017 Aug 17;:

Authors: Clinkenbeard EL, Hanudel MR, Stayrook KR, Appaiah HN, Farrow EG, Cass TA, Summers LJ, Ip CS, Hum JM, Thomas JC, Ivan M, Richine BM, Chan RJ, Clemens TL, Schipani E, Sabbagh Y, Xu L, Srour EF, Alvarez MB, Kacena MA, Salusky IB, Ganz T, Nemeth E, White KE

PMID: 28818868 [PubMed - as supplied by publisher]