Prostate cancer patients with high-risk features who undergo radical prostatectomy (RP) are at a significant risk of biochemical recurrence (BCR) and disease progression. While adjuvant androgen deprivation therapy (ADT) with or without radiotherapy is the current standard of care, long-term ADT is associated with substantial adverse effects, including metabolic syndrome, cardiovascular disease, and bone density loss, which negatively impact patients' quality of life. There is an unmet clinical need to optimize adjuvant treatment strategies to improve survival outcomes while minimizing treatment-related toxicity for this high-risk population. Rezvilutamide is a novel, potent, second-generation oral androgen receptor (AR) inhibitor. This prospective, multicenter, single-arm clinical trial aims to evaluate the efficacy and safety of rezvilutamide monotherapy as an adjuvant treatment in patients with localized prostate cancer who have a high risk of recurrence following radical prostatectomy. The study plans to enroll 48 male patients (aged 18-75 years) who have completed radical prostatectomy within 12 weeks, have achieved a postoperative prostate-specific antigen (PSA) level of \< 0.1 ng/mL within 8 weeks, and possess a high recurrence risk defined by a CAPRA-S score of ≥ 6. Eligible patients will receive rezvilutamide monotherapy at a dose of 240 mg orally once daily for 12 cycles (28 days per cycle, totaling 48 weeks). The primary endpoint of the study is the 2-year biochemical progression-free survival (bPFS) rate. Secondary endpoints include event-free survival rate, 5-year bPFS, 5-year metastasis-free survival (MFS), testosterone recovery rate and time at 2 years, overall safety, and health-related quality of life assessed by the FACT-P and EPIC-26 questionnaires. By exploring this monotherapy approach, the study hopes to provide a new, effective, and better-tolerated adjuvant treatment option that can improve the prognosis of high-risk patients post-prostatectomy.
Age range
18 Years – 75 Years
Sex
MALE
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2-Year Biochemical Progression-Free Survival (bPFS) Rate
Timeframe: 2 years from the initiation of study treatment