Pretreatment neutrophil-to-lymphocyte ratio and Mean Platelet Volume in castration-resistant prostate cancer patients treated with first-line docetaxel

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Abstract Background:Patients who have evidence of disease progression (eg, increase in serum prostate-specific antigen [PSA], new metastases, progression of existing metastases) while being managed with androgen deprivation therapy (ADT) are considered to have castration-resistant disease. Docetaxel (75 mg/m2) given every three weeks in combination with daily prednisone (5 mg twice a day) significantly prolonged overall survival compared with mitoxantrone plus prednisone in the TAX 327 phase III trial [3]. Based upon those results, docetaxel plus prednisone has become the standard initial regimen when chemotherapy is indicated for CRPC Methods: Inflammation-based markers, such as the Neutrophile/Lymphocyte Ratio (NLR), are widely available and inexpensive measurements that are easy to integrate into pretreatment evaluation. Mean platelet volume (MPV) is a marker of activated platelets is associated some types of cancer including ovarian, gastric cancer. We retrospectively evaluated the predictive impact of neutrophil-lymphocyte ratio (NLR) and MPV as a marker for in men with progressive metastatic castration resistant prostate cancer (mCRPC) following docetaxel.Results: A significant correlation was not observed between NLR and PSA response. A significant correlation was not also observed between MPV and PSA response.There no correlation was found between MPV and NLR with total PSA level and response (p:0.355, p:0.673 respectively)Conclusion: . In our study; We didn’t show any correlation between MWP level, NLR ratio and response to Docetaxel therapy A significant correlation was not also observed between NLR , MPV and PSA response.

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