• Jingbo Yu, Lincy S Lal, Amy Anderson, Mary DuCharme, Shreekant Parasuraman, and Daniel Weisdorf.
• Incyte Corporation, Wilmington, DE, USA.
• Curr Med Res Opin. 2021 May 1; 37 (5): 755-759.

BackgroundChronic graft-versus-host disease (cGVHD) is the most serious non-relapse complication affecting long-term allogeneic hematopoietic cell transplantation (HCT) survivors. We describe healthcare resource utilization (HCRU) and costs in patients with steroid-resistant (SR) cGVHD versus no GVHD up to 360 and 720 days post-HCT.MethodsClaims from the Optum Research Database were used to identify patients aged ≥12 years who underwent allogeneic HCT (index date) in the United States from 01 January 2010 to 31 August 2016 with diagnosis of cGVHD (within the study period or unspecified GVHD beyond 120 days post-HCT [SR defined as additional therapy ≥7 days after initiation of systemic steroids]) or no GVHD at any time. All-cause HCRU and costs were compared in patients with SR cGVHD (1-year analysis, n = 296; 2-year analysis, n = 178) versus no GVHD (1-year analysis, n = 227; 2-year analysis, n = 158).ResultsMost patients with SR cGVHD (75%) received ≥4 lines of therapy during follow-up. Patients with SR cGVHD had significantly more median office visits (49 vs. 27), outpatient visits (69 vs. 24), emergency department visits (1 vs. 0), and inpatient admissions (2 vs. 1) within 1 year post-HCT versus patients with no GVHD (all p<.001); HCRU was also higher in the 2-year period. Median total all-cause costs were significantly higher (p<.001) for patients with SR cGVHD versus no GVHD in the 1-year ($372,254 vs. $219,593) and 2-year ($532,673 vs. $252,909) follow-up periods.ConclusionsPatients with SR cGVHD required multiple lines of therapy and used significantly more outpatient and inpatient resources resulting in higher costs versus patients with no GVHD.

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