ArticleJournal of contemporary brachytherapy2022
Prostate-specific antigen kinetics and metastasis-free survival in patients treated with external beam radiotherapy combined with high-dose-rate brachytherapy boost and androgen deprivation therapy for localized prostate cancer.
Article in Journal of contemporary brachytherapy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it, 4 citations in OpenAlex.
- Dynamic changes in PSA levels predict prognostic outcomes in prostate cancer patients undergoing androgen -deprivation therapy: A multicenter retrospective analysis.Frontiers in oncology · 2023Pooled it
- Article
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Authors and funding
15 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeSerum prostate-specific antigen (PSA) kinetics has been linked to prognosis in prostate cancer (PCa) patients. Our goal was to analyze the association between PSA kinetics and metastasis-free survival (MFS) in patients with localized PCa treated with high-dose-rate (HDR) brachytherapy (BT) boost combined with external beam radiotherapy (EBRT). MATERIAL AND
methodsWe retrospectively analyzed multiple PSA kinetics related to PSA nadir (nPSA), PSA bouncing, and biochemical recurrence (BCR) in 186 PCa patients treated with neoadjuvant androgen deprivation therapy (ADT), followed by EBRT combined with HDR-BT boost. Uni- and multivariate Cox regression models were calculated to assess the value of PSA-related parameters for the prediction of MFS.
results5- and 10-year MFS were 95% and 84%, respectively. Median nPSA was 0.011 (IQR, 0.007-0.057) ng/ml and predicted MFS in multivariable analysis. Implementation of nPSA improved c-index of baseline model from 0.8 to 0.68. nPSA of 0.2 ng/ml offered the most optimal discriminatory ability for identifying patients with better prognoses. Time to nPSA (median, 11 months; IQR, 8-18 months) and PSA bounce, which occurred in 12.4% of patients, were not significantly associated with MFS.
conclusionsLower values of nPSA are significantly associated with decreased risk of developing metastases in patients treated with EBRT combined with HDR-BT boost and ADT, and improve the accuracy of a clinical model for MFS.
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