56 Background: A fully digital survey of patients with prostate cancer (PCa) was conducted in Germany (DE), the US and the UK to map characteristics, experiences and attitudes. Real-world profiles and treatment journeys, as well as intercountry differences, of taxane-naive patients with metastatic PCa (mPCa) are relatively unknown; data from the survey were leveraged to gain insights into these. Methods: From February 9 to April 10, 2021, DontBePatient Intelligence conducted a survey of patients with PCa. We identified responses from patients with mPCa who were taxane-naive and received at least one androgen receptor pathway inhibitor (ARPI), such as abiraterone or enzalutamide. Demographics, disease characteristics, diagnostic trends and treatments journeys were analyzed, using descriptive and inductive statistics. Results: In total, 458 taxane-naive patients (mean age 68.9 years) had received one ARPI, while 36 had received two. There were differences in time since, mode of, and disease stage at diagnosis between countries (Table). Notably, more US patients were diagnosed through routine screening, yet more had been diagnosed with metastases vs UK/DE. UK patients more frequently reported hospital urologists and oncologists being involved in diagnosis vs DE/US patients. In DE, practice urologists were more frequently reported as being involved vs other specialties throughout the patient journey and these were more involved than in the UK/US. UK patients were more satisfied with radio/brachytherapy and hormone therapy and less satisfied with surgery vs DE/US patients. We uncovered considerable differences in treatment journeys between countries. UK patients had received less surgery vs DE/US patients (9.8% vs 41.5/33.1% patients), driven by less use in 1L. Radio/brachytherapy use was highest in the US (69.4%) and lowest in DE (37.3%), driven by infrequent 1L use in DE. Treatment with bone strengthening agents was less common in the UK (16.4%) vs DE/US (37.3/33.8%). Conclusions: In different countries, taxane-naive patients who received one ARPI have different characteristics at diagnosis and distinct patterns of care. It is important to understand how these differences may affect diagnostic and therapeutic trends to maximally improve patient care in this treatment setting. [Table: see text]
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