The aim of this study was to understand the impact of chronic graft-versus-host disease (cGVHD) on the overall health status of hematopoietic cell transplantation (HCT) survivors. Subjects included 584 individuals who had undergone allogeneic HCT between 1976 and 1999, survived 2 or more years, and completed a 255-item health questionnaire. Global assessment of health status was facilitated by measurement of 6 health status domains: general health, mental health, functional impairment, activity limitation, pain, and anxiety/fear. Information regarding diagnosis of cGVHD was abstracted from medical records, and presence of active cGVHD in the preceding 12 months was self-reported. The incidence of cGVHD in participants was 54%, of whom 46% reported active cGVHD. In multivariable analyses, subjects with active cGVHD were more likely to report adverse general health, mental health, functional impairments, activity limitation, and pain than were those with no history of cGVHD. However, health status did not differ between those with resolved cGVHD and those who never had cGVHD. We conclude that active cGVHD has a significant impact on many aspects of the overall health status of HCT survivors and that, most importantly, those successfully treated for cGVHD do not appear to have long-term impairments. (Blood. 2006;108: 2867-2873)

Summary. Four hundred and twenty-nine patients received myeloablative chemotherapy for solid and haematological malignancies in a bone marrow transplantation unit. Regimens appropriate to the tumour type were administered and haemopoietic reconstitution was achieved with peripheral blood progenitor cells (PBPC; n 275), autologous bone marrow (auto-BMT; n 69) or allogeneic bone marrow (allo-BMT; n 85). World Health Organization (WHO) oral mucositis scores were collected prospectively from the start of chemotherapy (d 1) until d 28 or discharge. Oral mucositis (OM) was experienced by 425 (99%) patients and in 289 (67´4%) this was grade III or IV. Strong opiate analgesia was prescribed for a median of 6 d to 47% of patients. Univariate analysis suggested that the area under the OM curve (AUC; sum of daily mucositis grades, d 1±28) was associated with the myeloablative regimen, haemopoietic progenitor source (PBPC . allo-BMT . auto-BMT), use of myeloid growth factors and age. Multivariate analysis showed that the only independent risk factor for mucositis was the conditioning regimen (P , 0´00005). The mean OM AUC for high-dose melphalan (HDM) regimens (52 grade±days) exceeded busulphan (41), busulphan±cyclo-phosphamide (35), cyclophosphamide±total body irradiation (TBI) (34), cyclophosphamide±carmustine (BCNU) (20) and cyclophosphamide±etoposide±carmustine (CVB) (19). HDM regimens resulted in the highest mean peak OM (3´6), followed by busulphan regimens (2´6), cyclophosphamide/TBI (2´3) and cyclophosphamide±carmustine and CVB (1´4). Busulphan produced significantly delayed OM (median 3 d; P , 0´00005). There was a linear association between the area under the OM curve for each treatment group and the time to reach grade 3 OM (P , 0´00005), but no association with the time to reach grade 4 neutropenia (P 0´24) or thrombocytopenia (P 0´73), implying that haematological and mucosal toxicity are not associated. The cytotoxic regimen is the most significant determinant of OM. Studies investigating agents to ameliorate mucosal toxicity should be stratified according to cytotoxic regimen.

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