Background: We aimed to compare the prognostic values of 'localized treatment to the primary lesion (LT) plus hormone therapy (HT)' versus 'HT alone' in metastatic hormone-sensitive prostate cancer (mHSPC).
Methods: We conducted a systematic search through the databases of PubMed®, Web of Science®, and Cochrane library® in April 2023 based on the PRISMA (Preferred Reporting Items for Systemic Reviews and Meta-Analyses) statement. A pooled meta-analysis was performed to assess the prognostic differences between LT + HT and HT alone according to randomized and non-randomized controlled studies (RCTs and NRCTs, respectively).
Results: The search identified three RCTs and eight NRCTs. In RCTs, LT did not show prognostic benefits regarding biochemical-failure free rate nor overall survival (OS), although in patients with low tumor burdens, the LT + HT group showed better OS (HR: 0.68, 95% CI: 0.54-0.86). In the NRCTs, the LT+HT group showed superior progression-free survival (hazard ratio (HR): 0.42, 95% confidence interval (CI): 0.21-0.87), cancer-specific survival (HR: 0.39, 95% CI: 0.20-0.76), and OS (HR: 0.63, 95% CI: 0.57-0.69) to the HT alone group. In addition, better OS was observed in the LT +HT group regardless of the type of treatment modality for LT; radical prostatectomy (HR: 0.52, 95% CI: 0.39-0.69), radiotherapy (HR: 0.63, 95% CI: 0.56-0.71) in NRCTs.
Conclusions: LT to the primary lesion in metastatic hormone-sensitive prostate cancer may provide prognostic benefits and especially in patients with low tumor burden.
Download full-text PDF |
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11164370 | PMC |
| http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0304963 | PLOS |
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