Geriatric Assessment and Frailty Changes in Older Patients with Newly-Diagnosed Multiple Myeloma Undergoing Treatment
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IntroductionMultiple myeloma (MM) is a malignant plasma cell disease with a median age at diagnosis of 70 years. Geriatric assessment and frailty measures are increasingly being utilized at the time of diagnosis for prognostication. Gait speed at baseline has recently emerged as a powerful prognostic tool which identifies frailty and predicts outcomes independent of performance status among older patients with blood cancers including myeloma (Liu et al, Blood 2019). However, the longitudinal assessment and responsiveness of change in geriatric assessment measures and functional frailty parameters, including physical performance such as gait speed, over time remains unknown.ObjectivesWe conducted a prospective study of patients with newly diagnosed MM aged 65 and older at two institutions. The prevalence of geriatric domains at baseline has been previously published by Wildes et al (JAGS, 2019). We aimed to conduct a secondary analysis to understand the changes in geriatric and frailty assessment including physical performance as older patients underwent treatment for their myeloma.MethodsOlder patients with newly-diagnosed myeloma underwent a comprehensive geriatric assessment including a gait function using the Timed Up and Go test at baseline and at 6 months between the years 2012-2014.ResultsAt baseline, forty patients were enrolled in the study with a mean age of 71.6 years; 25 (62.5%) were males. Thirty-six patients completed the 6-month follow-up with 18 patients having undergone a stem cell transplant in the interim. Overall, there were no significant change in the measured geriatric domains, including dependence, physical activity, falls, polypharmacy and cognition, at 6 months compared to baseline. Overall mental health well-being, measured with the Mental Health Inventory-17, improved over time (Table I). Physical performance, assessed with the Timed Up and Go test, showed a trend toward improvement as patients underwent treatment (11.0 seconds at the 6-month follow-up versus 12.3 at baseline, p=0.057). Additionally, two out of four individuals who were unable to complete the Timed Up and Go test at baseline were subsequently able to complete it 6 months following treatment.ConclusionOur study suggests that, for older patients with MM, treatment does not significantly lead to geriatric impairment at 6-months of follow-up, as compared to baseline and in fact is associated with improved overall mental health well-being. Additionally, both the incremental change in Timed Up and Go test and the number of individuals able to complete it may in fact improve as patients undergo treatment. This highlights that gait speed may not be static and improve with treatment, suggesting a dynamic model of frailty. Larger studies conducted longitudinally will be required to further evaluate these findings to explore the evolving concept of frailty in myeloma.DisclosuresMian: Amgen: Consultancy; Janssen: Consultancy, Honoraria; Celgene: Consultancy, Honoraria. Pond:Roche Canada: Employment, Other: Stock; Takeda (DSMC membership): Other: Honorarium. Tuchman:Alnylam: Honoraria, Research Funding; Celgene: Honoraria, Research Funding, Speakers Bureau; Karyopharm: Honoraria; Amgen: Research Funding; Sanofi: Research Funding; Merck: Research Funding; Prothena: Research Funding; Roche: Research Funding. Fiala:Incyte: Research Funding. Wildes:Janssen: Research Funding; Carvive: Consultancy.
