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Prognostic value of tissue plasminogen activator (tPA) in patients with epithelial ovarian cancer undergoing chemotherapy
, 2, 3, 4, 2
Affiliations- Department of Obstetrics and Gynecology Didactics, Medical University of Warsaw, Warsaw, Poland
- 2nd Department of Obstetrics and Gynecology, Medical University of Warsaw, Poland
- Department of Gynecologic Oncology, The Maria Sklodowska-Curie Memorial Cancer Centre and Institute of Oncology, Warsaw, Poland
- Department of Gynecological Endocrinology, Medical University of Warsaw, Poland
open access
Abstract
Objectives: Tissue plasminogen activator (tPA) is a key enzyme for fibrin degradation and the proteolytic defense against formation of the thrombotic endothelial deposits. tPA is involved in carcinogenesis but its exact role in tumor biology is not very well understood and a prognostic value of tPA remains ambiguous in different cancers. The aim of the study was to assess the prognostic value of plasma tPA in patients with epithelial ovarian cancer (EOC) in the course of the first line chemotherapy.
Material and methods: the study covered 60 patients with EOC who underwent the 1st line chemotherapy. Plasma tPA was assessed at onset, after 3 and 6 cycles of chemotherapy. The groups were stratified according to tPA level at onset of chemotherapy (low tPA group < 6.5 mg/L, N = 37 and high tPA group > 6.5 mg/L, N = 23). Survival analysis was repeated for the cut-off of tPA level at 6.5 mg/L and 5.1 mg/L after 3 and 6 cycles.
Results: Only subjects with tPA > 6.5 mg/L at onset of chemotherapy had a significantly lower probability of a 5-year survival (34.8% vs. 72.7%, P < 0.006) and lower chance for disease free survival within 5 years (39.3% vs. 72.7%, P < 0.014). tPA < 6.5 mg/L plasma level evaluated at onset of chemotherapy was an independent marker of better overall survival (RR = 0.44, 95%CI = 0.19–0.98) but not disease-free survival.
Conclusions: Plasma tPA may serve as a marker of survival if assessed at onset of the first line chemotherapy in patients with ovarian cancer.
Abstract
Objectives: Tissue plasminogen activator (tPA) is a key enzyme for fibrin degradation and the proteolytic defense against formation of the thrombotic endothelial deposits. tPA is involved in carcinogenesis but its exact role in tumor biology is not very well understood and a prognostic value of tPA remains ambiguous in different cancers. The aim of the study was to assess the prognostic value of plasma tPA in patients with epithelial ovarian cancer (EOC) in the course of the first line chemotherapy.
Material and methods: the study covered 60 patients with EOC who underwent the 1st line chemotherapy. Plasma tPA was assessed at onset, after 3 and 6 cycles of chemotherapy. The groups were stratified according to tPA level at onset of chemotherapy (low tPA group < 6.5 mg/L, N = 37 and high tPA group > 6.5 mg/L, N = 23). Survival analysis was repeated for the cut-off of tPA level at 6.5 mg/L and 5.1 mg/L after 3 and 6 cycles.
Results: Only subjects with tPA > 6.5 mg/L at onset of chemotherapy had a significantly lower probability of a 5-year survival (34.8% vs. 72.7%, P < 0.006) and lower chance for disease free survival within 5 years (39.3% vs. 72.7%, P < 0.014). tPA < 6.5 mg/L plasma level evaluated at onset of chemotherapy was an independent marker of better overall survival (RR = 0.44, 95%CI = 0.19–0.98) but not disease-free survival.
Conclusions: Plasma tPA may serve as a marker of survival if assessed at onset of the first line chemotherapy in patients with ovarian cancer.
Keywords
tissue plasminogen activator; tPA; epithelial ovarian cancer; chemotherapy; overall survival; disease free survival
About this articleTitle
Prognostic value of tissue plasminogen activator (tPA) in patients with epithelial ovarian cancer undergoing chemotherapy
Journal
Issue
Article type
Research paper
Pages
235-241
Published online
2019-04-10
Page views
1746
Article views/downloads
1080
DOI
Pubmed
Bibliographic record
Ginekol Pol 2019;90(5):235-241.
Keywords
tissue plasminogen activator
tPA
epithelial ovarian cancer
chemotherapy
overall survival
disease free survival
Authors
Justyna Teliga-Czajkowska
Jacek Sienko
Katarzyna Jalinik
Roman Smolarczyk
Krzysztof Czajkowski
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