Overweight as an adverse prognostic factor for non-Hodgkin's lymphoma patients receiving high-dose chemotherapy and autograft

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Abstract
Despite detailed evaluation of disease-associated prognostic factors, little is known about the impact of overweight in autograft programs for non-Hodgkin's lymphoma (NHL) patients. In order to address this issue, 121 NHL patients were retrospectively evaluated. They had been upfront (92 patients) or in relapse (29 patients) and received high-dose sequential (HDS) chemotherapy including peripheral blood progenitor cell (PBPC) autograft. Body mass index (BMI) was calculated as weight in kilograms divided by the square of the height in meters; overweight was defined as BMI 28. Univariate and multivariate analyses were used to determine the prognostic implication of overweight and other known prognostic indicators on overall (OS) and event-free (EFS) survival for the entire group and overweight and non-overweight (reference) subgroups. With a median follow-up of 3 years, the estimated 5-year OS and EFS for the entire group were 58% and 49%, respectively. Twenty-eight patients (23%) had BMI 28. Their median OS and EFS were 2.2 and 1.4 years, respectively, whereas median OS and EFS for the reference group have not been reached, with a 5-year projection of 65 and 55%, respectively (P < 0.002). On multivariate analysis, the risk of death among overweight patients was 2.9 (CI, 1.3–6.2) times that of the reference group; using EFS as the end point, a similar association between overweight and survival was observed. In conclusion, in high-risk NHL patients undergoing intensive chemotherapy and PBPC autografting overweight is associated with a poorer outcome. Bone Marrow Transplantation (2000) 26, 1185–1191.

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