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- Title
Effect of Neoadjuvant Hormone Therapy on Resection Margin and Survival Prognoses in Locally Advanced Prostate Cancer after Prostatectomy Using Propensity-Score Matching.
- Authors
Kim, Sung Han; Park, Eun Young; Joo, Jungnam; Joung, Jae Young; Seo, Ho Kyung; Chung, Jinsoo; Lee, Kang Hyun
- Abstract
This study aimed to investigate the effect of neoadjuvant hormone therapy (NHT) on resection margin positivity, biochemical-recurrence- (BCR-) free survival, and overall survival (OS) in 176 patients with locally advanced prostate cancer (LAPC) treated with radical prostatectomy using propensity-score matching, including 79 (44.9%) patients treated with the NHT. Fifty pairs of one-to-one propensity-score matching were matched to investigate the pure effect of NHT on resection margin positivity, BCR, and OS with a statistical significance of p<0.050. Before matching, NHT, tumor volume percentage, and extracapsular extension were significant factors for resection margin positivity (p≤0.001); however, after matching, NHT became insignificant in the multivariate analysis (p=0.084). In the survival analysis, NHT was not associated with BCR or OS before and after matching (BCR: hazard ratio, 1.35 and 0.84, respectively; OS: hazard ratio, 1.05 and 0.77, respectively; p≥0.539 for all). Conversely, PSA level (HR, 2.23), extracapsular extension (HR, 2.10), and lymphovascular invasion (HR, 1.85) were significant factors for BCR (p≤0.001 for all), but none were significant factors for OS in the propensity-score matching analysis (p≥0.948). Therefore, NHT was not a significant factor for resection margin positivity, BCR-free survival, and OS before and after propensity-score matching in patients with LAPC.
- Subjects
PROSTATE tumors; PROSTATE tumors treatment; CANCER patients; CANCER relapse; CANCER invasiveness; COMBINED modality therapy; HORMONES; LYMPH nodes; MULTIVARIATE analysis; PROBABILITY theory; PROSTATECTOMY; SURGICAL complications; SURVIVAL analysis (Biometry); THERAPEUTICS; PROSTATE-specific antigen; TREATMENT effectiveness; SURGICAL site; ODDS ratio; PROGNOSIS
- Publication
BioMed Research International, 2018, p1
- ISSN
2314-6133
- Publication type
Article
- DOI
10.1155/2018/4307207