alexa Older breast cancer survivors: geriatric assessment domains are associated with poor tolerance of treatment adverse effects and predict mortality over 7 years of follow-up.


Journal of Cancer Science & Therapy

Author(s): CloughGorr KM, Stuck AE, Thwin SS, Silliman RA

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Abstract PURPOSE: To evaluate geriatric assessment (GA) domains in relation to clinically important outcomes in older breast cancer survivors. METHODS: Six hundred sixty women diagnosed with primary breast cancer in four US geographic regions (Los Angeles, CA; Minnesota; North Carolina; and Rhode Island) were selected with disease stage I to IIIA, age >or= 65 years at date of diagnosis, and permission from attending physician to contact. Data were collected over 7 years of follow-up from consenting patients' medical records, telephone interviews, physician questionnaires, and the National Death Index. Outcomes included self-reported treatment tolerance and all-cause mortality. Four GA domains were described by six individual measures, as follows: sociodemographic by adequate finances; clinical by Charlson comorbidity index (CCI) and body mass index; function by number of physical function limitations; and psychosocial by the five-item Mental Health Index (MHI5) and Medical Outcomes Study Social Support Survey (MOS-SSS). Associations were evaluated using t tests, chi(2) tests, and regression analyses. RESULTS: In multivariable regression including age and stage, three measures from two domains (clinical and psychosocial) were associated with poor treatment tolerance; these were CCI >or= 1 (odds ratio [OR] = 2.49; 95\% CI, 1.18 to 5.25), MHI5 score less than 80 (OR = 2.36; 95\% CI, 1.15 to 4.86), and MOS-SSS score less than 80 (OR = 3.32; 95\% CI, 1.44 to 7.66). Four measures representing all four GA domains predicted mortality; these were inadequate finances (hazard ratio [HR] = 1.89; 95\% CI, 1.24 to 2.88; CCI >or= 1 (HR = 1.38; 95\% CI, 1.01 to 1.88), functional limitation (HR = 1.40; 95\% CI, 1.01 to 1.93), and MHI5 score less than 80 (HR = 1.34; 95\% CI, 1.01 to 1.85). In addition, the proportion of women with these outcomes incrementally increased as the number of GA deficits increased. CONCLUSION: This study provides longitudinal evidence that GA domains are associated with poor treatment tolerance and predict mortality at 7 years of follow-up, independent of age and stage of disease.
This article was published in J Clin Oncol and referenced in Journal of Cancer Science & Therapy

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