ArticleTargeted oncology2020
Efficacy, Prognostic Factors, and Safety Profile of Enzalutamide for Non-metastatic and Metastatic Castration-Resistant Prostate Cancer: A Retrospective Single-Center Analysis in Japan.
Article in Targeted oncology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 3 of them syntheses that pooled it.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
5 citing papers in PubMed, 3 syntheses or guidelines pooled it, 7 citations in OpenAlex.
- Immune-inflammation index as prognostic markers in metastatic castration-resistant prostate cancer: a systematic review and meta-analysis.Frontiers in oncology · 2026Pooled it
- The prognostic value of Eastern Cooperative Oncology Group performance status on overall survival among patients with metastatic prostate cancer: a systematic review and meta-analysis.Frontiers in oncology · 2023Pooled it
- The Health Economics of Metastatic Hormone-Sensitive and Non-Metastatic Castration-Resistant Prostate Cancer-A Systematic Literature Review with Application to the Canadian Context.Current oncology (Toronto, Ont.) · 2022Pooled it
- Pharmacist-Urologist Collaborative Management Improves Clinical Outcomes in Patients With Castration-Resistant Prostate Cancer Receiving Enzalutamide.Frontiers in pharmacology · 2022Article
- Comparison of real-life data of abiraterone acetate and enzalutamide in metastatic castration-resistant prostate cancer.Scientific reports · 2021Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundEnzalutamide is a novel, non-steroidal anti-androgen that has demonstrated excellent anti-tumor activity for both non-metastatic and metastatic castration-resistant prostate cancer (nmCRPC and mCRPC) patients, and that is being rapidly introduced into clinical practice in Japan.
objectiveWe retrospectively investigated the treatment efficacy, safety profile, and prognostic factors of enzalutamide over a relatively long observation period in Japanese patients with nmCRPC and mCRPC. PATIENTS AND
methodsThe medical records of 184 consecutive Japanese patients with nmCRPC and mCRPC who started enzalutamide treatment in our institution between January 2012 and April 2018 were reviewed. Efficacy and safety profiles were assessed and statistically analyzed.
resultsAmong these 184 patients, 44 (23.9%) nmCRPC patients, 89 (48.4%) docetaxel-naïve mCRPC patients, and 51 docetaxel-pretreated (27.7%) mCRPC patients underwent enzalutamide therapy. The median prostate-specific antigen progression-free survival (PSA-PFS) and overall survival (OS) periods for nmCRPC patients were 39.2 months and not reached; those for docetaxel-naïve mCRPC patients were 16.5 months and 59.8 months; and those for docetaxel-pretreated mCRPC patients were 7.0 months and 30.4 months, respectively. Multivariate analysis identified performance status ≥ 2, PSA > 8.89 ng/mL (median value), hemoglobin < lower limit of normal range, neutrophil to lymphocyte ratio > 3.0, and 4-week PSA decline < 50% as the predictive factors for shorter OS. Our respective prognostic models using these factors successfully demonstrated distinctly separated survival curves (p < 0.001). In addition, among these patients, 30 (16.3%) experienced adverse events and 16 (8.7%) experienced adverse events resulting in the discontinuation of therapy. Fatigue (14%) and appetite loss (7%) were the most common such events.
conclusionsBoth the survival period and risk factors were extracted from a relatively long-term observation period. Since enzalutamide was approved for administration to patients with castration-sensitive prostate cancer earlier this year (2020), we believe that the data presented here will be useful for both physicians and patients in clinical practice.
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