Development of a Novel Patient-Reported Outcome (PRO) Measure to Assess Hormonal-Based Treatment Symptoms and Their Impacts in Patients with Prostate Cancer

Author(s)

Chladek M1, Hunsche E2, Hudgens S3, Brown B4, Fallick M4, dePaauw-Holt S2, Cox K1, Ross A5
1Clinical Outcomes Solutions, Chicago, IL, USA, 2Myovant Sciences GmbH, Basel, Switzerland, 3Clinical Outcomes Solutions, Tucson, AZ, USA, 4Myovant Sciences, Inc, Brisbane, CA, USA, 5Northwestern Feinberg School of Medicine, Chicago, IL, USA

OBJECTIVES: To inform the content of a novel patient-reported outcome (PRO) measure to assess symptoms and impacts associated with hormonal-based treatments, specifically androgen deprivation therapy (ADT), on men with prostate cancer. While several prostate cancer-specific PRO measures exist, these do not adequately cover the spectrum of patient-relevant symptoms and impacts of hormonal-based treatments.

METHODS: Twelve men with prostate cancer who were receiving ADT participated in an audio‑recorded, semi‑structured concept elicitation (CE) interview over the telephone. Interviews explored participants’ experiences with ADT, focusing on ADT-related symptoms and their impacts. Interviews were transcribed verbatim and analyzed thematically to identify key symptoms and impacts through saturation analysis.

RESULTS: Findings are reported for 11 participants, after which saturation was reached. The mean (standard deviation [SD]) age of participants was 57.9 (6.6) years, 36.4% were African‑American, and the mean (SD) time on their most recent ADT was 15.5 (11.5) months. Key ADT‑related symptoms included fatigue or lack of energy (n=10), reduced sexual interest or desire (n=9), pain or tenderness at the injection site (n=9), hot flashes or night sweats (n=7), and difficulty maintaining an erection (n=7). Other symptoms, including loss of muscle mass, weight gain, sleep problems, dry mouth, cognitive difficulties, and joint pain or muscle stiffness, were mentioned by at least 4 participants. Impacts of ADT experienced by men included emotional aspects (eg, depression, anxiety, and self-image) and effects on physical activity, relationships, work, and social life. The results from these interviews led to a draft conceptual model for ADT‑specific symptoms and impacts.

CONCLUSION: The CE interviews provided rich qualitative data on symptom and impact experiences with ADT for men with prostate cancer. The findings were used to draft a de novo PRO tool focused on the patient-relevant symptoms and impacts of hormonal-based treatments for prostate cancer, which will be debriefed in further interviews.

Conference/Value in Health Info

2022-05, ISPOR 2022, Washington, DC, USA

Value in Health, Volume 25, Issue 6, S1 (June 2022)

Code

PCR172

Topic

Clinical Outcomes, Patient-Centered Research

Topic Subcategory

Clinical Outcomes Assessment, Instrument Development, Validation, & Translation, Patient-reported Outcomes & Quality of Life Outcomes

Disease

Oncology

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