Comparison of Quality of Life and Outcomes between Haploidentical and Matched Related/Unrelated Donor Allogeneic Hematopoietic Cell Transplantation.
Haploidentical (haplo) donor grafts are a well-established alternative donor source for allogeneic hematopoietic cell transplantation (HCT); however, data comparing health-realted quality of life (HRQOL) measures between haplo-HCT and HCT using other donor sources are lacking. We hypothesized that post-transplantation HRQOL might not differ between haplo-HCT and HCT with other graft sources. We conducted a single-institution retrospective analysis comparing HRQOL of haplo-HCT with matched-related donor (MRD) HCT and matched unrelated donor (MUD) HCT for hematologic diseases. We included 90 haplo, 102 MRD, and 229 MUD adult first allogeneic HCTs performed between May 2014 and December 2019. HRQOL for haplo-HCT, MRD-HCT, and MUD-HCT were compared separately for myeloablative conditioning (MAC) and reduced-intensity conditioning (RIC). HRQOL was assessed using the Functional Assessment of Cancer Therapy-Bone Marrow Transplant (FACT-BMT) scale pretransplantation and at days +100 and +180 post-transplantation. MAC haplo-HCT showed no difference in all domains of HRQOL and other transplantation outcomes, including overall survival, compared with MAC MRD/MUD-HCT, except for a higher incidence of non-cytomegalovirus infections (P = .003). RIC haplo-HCT was associated with significantly better emotional well-being (P = .008) and functional well-being (P = .011) compared with MUD-HCT. RIC haplo-HCT was associated with higher rates of non-cytomegalovirus infections (P < .001) and relapse mortality (P = .044) but a lower rate of nonrelapse mortality (P = .008) compared with RIC MUD-HCT. Haplo-HCT had comparable total HRQOL scores and overall survival to MRD/MUD-HCT in both the MAC and RIC cohorts. Interrogation of HRQOL among disease-specific groups may further elucidate the existence of any additional benefits with these different transplantation modalities.
Hong, S; Rybicki, L; Mclellan, L; Dabney, J; Gerds, AT; Rotz, SJ; Kalaycio, M; Hanna, R; Hamilton, BK; Majhail, NS; Sobecks, RM
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