Abstract
Abstract SIGNIFICANCE AND AIMS Past research in PBT patients has demonstrated that minorities may have a survival advantage compared to Whites for high-grade tumors, though little is known about their illness experience given their underrepresentation in clinical trials. This study explored differences in PROs across race-ethnicity within a large PBT cohort describing associated burden and risk for minority populations where data is scarce. METHODS Demographic, clinical characteristics, MDASI-Brain Tumor, PROMIS Depression and Anxiety Short-Forms, and Neuro-QoL Cognitive Function were collected from the most recent timepoint for PBT patients enrolled on the Natural History Study. Descriptive statistics, one-way ANOVA, and linear regression were used to report results. RESULTS The sample included 562 PBT patients (58% male, median age = 50 [18-85]) comprised of 79% White, 6% African American (AA), 10% Hispanic, and 5% Asian patients per self-report. Most patients had a high-grade glioma (60%), with 28% on active treatment and 44% with good KPS (90-100). Among the most commonly reported moderate-severe symptoms were fatigue ( > 40% in all groups), difficulty remembering (30-40% of Asians, AAs, and Whites), and disturbed sleep (44% in Asians, 29% in Hispanics), while hemiparesis was common only for AA patients (37%). There were no differences between groups with respect to symptom burden and interference, mood disturbance, or cognitive function. Race/ethnicity group was not predictive of overall symptom burden or interference, but for all groups, higher KPS predicted lower symptom and interference scores (p < .001 and p = .004, respectively). CONCLUSION While some symptoms were common across ethnoracial groups, there were differences in symptom patterns, suggesting there may be other factors driving their illness experience. Future exploration of socioeconomic and cultural factors that might contribute to the symptom burden of minorities is warranted, which may allow development of targeted interventions to improve clinical outcomes in these groups.
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