1. The prognostic value of perioperative, pre-systemic therapy CA125 levels in patients with high-grade serous ovarian cancer
- Author
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Barry P. Rosen, Marcus Q. Bernardini, Stephane Laframboise, Jocelyn M. Stewart, Haiyan Jiang, Sarah E. Ferguson, and Taymaa May
- Subjects
Adult ,Oncology ,Multivariate statistics ,medicine.medical_specialty ,Multivariate analysis ,endocrine system diseases ,Sensitivity and Specificity ,03 medical and health sciences ,0302 clinical medicine ,Internal medicine ,medicine ,Humans ,Aged ,Proportional Hazards Models ,Retrospective Studies ,Ovarian Neoplasms ,Gynecology ,030219 obstetrics & reproductive medicine ,business.industry ,Hazard ratio ,Univariate ,Obstetrics and Gynecology ,Cancer ,Retrospective cohort study ,General Medicine ,Perioperative ,Middle Aged ,medicine.disease ,female genital diseases and pregnancy complications ,Confidence interval ,Cystadenocarcinoma, Serous ,CA-125 Antigen ,030220 oncology & carcinogenesis ,Multivariate Analysis ,Female ,business ,Biomarkers - Abstract
Objective To investigate the ability of preoperative CA125 and post-surgical CA125 changes to predict outcomes among patients with high-grade serous ovarian cancer (HGSC). Methods The present retrospective cohort study included patients with HGSC who underwent surgery between January 1, 2003, and December 31, 2011 at Princess Margaret Cancer Center, Toronto, ON, Canada. CA125 was measured at diagnosis and following surgery, and the CA125 ratio was calculated (preoperative CA125/postoperative CA125). Optimal CA125 cutoff levels were identified using the point with the most significant log-rank-test result. Univariate and multivariate analyses with Cox proportional hazard modeling was used to study overall survival. Results Among 212 patients, an optimal baseline CA125 cutoff value of 174 U/mL and a seven-fold decrease in CA125 after surgery were positive prognostic indicators. A 10-fold increase in baseline CA125 was associated with decreased overall survival (univariate hazard ratio 1.55, 95% confidence interval [CI] 1.17–2.06; P=0.002; multivariate hazard ratio 1.72, 95% CI 1.21–2.44; P=0.002). An increase in the CA125 ratio (log10[preoperative CA125/postoperative CA125]) was associated with improved overall survival (univariate hazard ratio 0.63, 95% CI 0.43–0.90; P=0.012; multivariate hazard ratio 0.41, 95% CI 0.24–0.70, P
- Published
- 2017