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- Title
Clinical significance of plasma fibrinogen and D-dimer in predicting the chemotherapy efficacy and prognosis for small cell lung cancer patients.
- Authors
Zhu, L.-R.; Li, J.; Chen, P.; Jiang, Q.; Tang, X.-P.
- Abstract
Purpose: Elevated plasma fibrinogen and D-dimer levels indicate activation of hemostasis and fibrinolysis, and this activation is required for tumor angiogenesis, metastasis, and invasion. Previous studies demonstrated that the plasma fibrinogen and D-dimer levels correlate with patient's prognosis in several solid tumors. The aim of this study is to examine the relationship between plasma fibrinogen and D-dimer levels before and during chemotherapy and treatment response and survival in patients with small cell lung cancer (SCLC). Methods: Plasma fibrinogen and D-dimer levels before and during chemotherapy were prospectively measured in 74 SCLC patients who received first-line therapy. The results were analyzed for correlation between fibrinogen and D-dimer levels and treatment response, as well as progressive-free survival (PFS) and overall survival (OS). Results: The levels of fibrinogen and D-dimer in SCLC patients before (C0) and after two cycles (C2) of chemotherapy were significantly higher than those in controls. Fibrinogen and D-dimer levels decreased during chemotherapy, and changes in fibrinogen and D-dimer levels between at C0 and at C2 were associated with treatment response. No matter which disease stage, patients with fibrinogen or D-dimer positivities at C0 and C2 time points had worse PFS and OS than those with fibrinogen or D-dimer negativities. Multivariate analyses revealed that fibrinogen and D-dimer positivities after two chemotherapy cycles were independently unfavorable factors for PFS and OS. Conclusion: Fibrinogen and D-dimer levels after two cycles of chemotherapy are predictors for response on chemotherapy and prognosis in SCLC patients.
- Publication
Clinical & Translational Oncology, 2016, Vol 18, Issue 2, p178
- ISSN
1699-048X
- Publication type
Article
- DOI
10.1007/s12094-015-1350-7