Abstract
1.Review the concept of health-related quality of life as a study outcome.2.Evaluate the effectiveness of an intervention using patient-reported health-related quality of life as an outcome. PRISM is a novel resilience-building intervention for adolescents and young adults (AYAs). Primary analysis of the RCT in AYAs with cancer showed PRISM improved HRQOL. Secondary analysis explored changes in HRQOL domains and differences between patient groups. English-speaking AYAs (12-25 years) were randomized to PRISM or usual care (UC) from 1/2015 – 10/2016. Surveys were completed at enrollment and six months later, using the Pediatric Quality of Life Inventory (PedsQL) Generic Short Form (SF-15) and Cancer Module to assess HRQOL. We compared change scores (PRISM vs UC) by domain (PedsQL SF-15: physical, emotional, social, school; Cancer: pain, nausea, procedure anxiety, treatment anxiety, worry, cognition, perceived appearance, communication). Participants were stratified by age (12-17 years vs 18-25 years) and advanced cancer status (yes/no). 74 patients (36 PRISM, 38 UC) completed 6-month assessments. 72% were 12-17 years old. 23% had advanced cancer at enrollment. PRISM improved patient-reported communication (UC: median [interquartile range, IQR] 0 [-17, 8]; PRISM: 8 [0, 25]). Younger patients benefited more, especially in PedsQL SF-15 school (12-17: UC 0 [-8, 0], PRISM 13 [0, 17]; 18-25: UC 0 [-33, 17], PRISM 0 [-25, 17]) and social domains (12-17: UC 0 [-33, 0], PRISM 0 [0, 8]; 18-25: UC 0 [-25, 4], PRISM -17 [-25, 8]), and cancer-specific perceived appearance (12-17: UC -4 [-25, 0], PRISM 8 [-8, 25]; 18-25: UC 0 [-21, 0], PRISM -8 [-25, 17]). Patients with advanced cancer benefited more in cancer-specific domains nausea (no: UC 0 [-10, 15], PRISM 10 [-10, 40]; yes: UC 6 [-15, 25], PRISM 35 [25, 50]) and pain (no: UC 13 [-13, 25], PRISM 6 [-13, 25]; yes: UC -13 [-25, 0], PRISM 6 [-13, 25]). With PRISM, younger AYAs coped better with age-appropriate challenges and AYAs with advanced cancer improved physical symptom HRQOL.
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