Expanded Prostate Cancer Index Composite-26 (EPIC-26) Online: Validation of an Internet-Based Instrument for Assessment of Health-Related Quality of Life After Treatment for Localized Prostate Cancer

Urology
David J EinsteinPeter Chang

Abstract

To test the validity of an Internet-based version of Expanded Prostate Cancer Index Composite (EPIC-26) versus the phone-based version. Most men will survive for years after treatment for localized prostate cancer (PCa) and may experience lasting treatment-related toxicities affecting health-related quality of life. The EPIC-26 is a validated instrument that measures health-related quality of life across 5 PCa-specific domains. Previously, EPIC-26 was administered via phone in a large multicenter clinical trial. We developed an Internet-based version of EPIC-26. We recruited subjects from two prospective longitudinal study cohorts of PCa patients undergoing local therapy: PROST-QA, and PROSTQA-RP2. Subjects were randomized to either an "Internet-first" or "phone-first" group. Subjects were offered the alternate questionnaire modality 2 weeks after completing the initial modality. 181 subjects were offered enrollment; 133 agreed to participate. 65 subjects were randomized to the "Internet- first" group and 68 subjects to the "phone-first" group. Of these, 37 and 26 subjects respectively completed both questionnaire versions (response rate: 44.4%). Test-retest analysis showed significant intraclass correlations in all 5 domains o...Continue Reading

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Citations

Jul 6, 2020·Clinical & Translational Oncology : Official Publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico·K BraideN Pettersson

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