ArticleAnnals of surgical oncology2026
Outcomes of Neoadjuvant Radiotherapy Followed by Robotic Radical Prostatectomy in High-Risk Locally Advanced Prostate Cancer: A Prospective Pilot Study.
Article in Annals of surgical oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeNeoadjuvant radiotherapy (RT) in prostate cancer remains investigational. This prospective pilot study evaluated the feasibility, perioperative safety, and preliminary outcomes of neoadjuvant RT combined with androgen-deprivation therapy (ADT), followed by robot-assisted radical prostatectomy (RP), in high-risk locally advanced disease.
methodsPatients with high-risk locally advanced prostate cancer (clinical stage T3a-T3b, Gleason score ≥8, or prostate-specific antigen [PSA] ≥ 20 ng/mL) were prospectively enrolled. All patients received neoadjuvant RT (50 Gy in 25 fractions) with 3 months of ADT, then robot-assisted RP with pelvic lymph node dissection. A retrospective contemporaneous RP-alone cohort served as controls. Primary outcomes included perioperative safety, pathological response, and postoperative PSA levels. Secondary endpoints included oncological outcomes, functional outcomes, and MRI-derived imaging biomarkers.
resultsIn total, 10 patients received neoadjuvant RT, and 11 patients served as controls. The median PSA at diagnosis was 19.46 ng/mL in the neoadjuvant group and 15.52 ng/mL in controls. No major complications occurred. Pathological downstaging was observed in 60% of the neoadjuvant group, whereas none occurred in controls (4/11 showed upstaging). At 12 months, urinary continence was achieved in four patients. After a median follow-up of 16.4 months, five patients developed biochemical recurrence, and one progressed to bone metastasis. Post-treatment changes in apparent diffusion coefficient values and T2-weighted MRI signals were associated with improved pathological outcomes, suggesting potential predictive value.
conclusionsNeoadjuvant RT with ADT followed by RP is feasible and well tolerated in high-risk locally advanced prostate cancer. Although pathological downstaging was observed, this pilot study does not support definitive conclusions regarding oncologic benefit, and larger prospective studies are warranted.
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