• Monika Kuzma, Lucie Nekvindova, and Jan Kliment.
• Bratisl Med J. 2024 Jan 1; 125 (9): 572579572-579.

BackgroundFew studies have evaluated health-related quality of life (HRQoL) with abiraterone acetate plus prednisone (abiraterone) compared to enzalutamide in metastatic castration resistant prostate cancer (mCRPC). So, this study aimed to assess impact of abiraterone and enzalutamide on patients´ functioning in mCRPC real-world setting.MethodsIn this 12-month, prospective, observational study, 36 mCRPC patients from Slovakia were included. Patients were treated with abiraterone or enzalutamide according to routine practice. HRQoL was assessed at baseline and 3-/6-/9-/12-month visits using the Functional Assessment of Cancer Therapy-Prostate (FACT‑P) and European Quality of Life 5 Dimensions (EQ-5D) questionnaires. Changes from baseline and occurrence of deteriorations/improvements were compared using two-sample t-test/Mann-Whitney test and Pearson's chi-square/Fisher's exact test, respectively. Mixed-effects model for repeated measures was used to evaluate the difference between the two arms in mean changes of quality of life after 12 months.ResultsFrequency of clinically meaningful deterioration of quality of life assessed by FACT-P was similar for abiraterone and enzalutamide: 0%, 14.3%, 23.1%, 16.7% vs. 10%, 26.3%, 22.2%, 40% at 3-, 6-, 9- and 12 months of therapy (p=0.496, 0.670, 1.000 and 0.236, respectively). After 12 months of treatment, no statistically significant difference between the treatment arms was observed in estimated mean changes in FACT-P total scores (p=0.620) and its components, EQ-5D index (p=0.108), and EQ-5D visual analogue scale (p=0.324).ConclusionAccording to the results of this study, abiraterone and enzalutamide had a comparable impact on quality of life in chemo-naive mCRPC in routine practice (Tab. 4, Fig. 4, Ref. 23). Text in PDF www.elis.sk Keywords: quality of life, abiraterone, enzalutamide, castration resistant prostate cancer.

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