Mean Platelet Volume as an Independent Predictive Marker for Pathologic Complete Response after Neoadjuvant Chemotherapy in Patients with Locally Advanced Breast Cancer
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Updated: Mar 20, 2026
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Hasan Mutlu1, Melek Karakurt Eryılmaz, Fatma Yalçcn Musri
1Department of Medical Oncology, Antalya Research and Training Hospital, Antalya, Turkey
Background:
The impact of mean platelet volume (MPV) on prognosis, diagnosis and response to therapy in cancer patients has been widely investigated. In the present study, we evaluated whether MPV at diagnosis has predictive value for pathologic complete response (pCR) after neoadjuvant chemotherapy in patients with locally advanced breast cancer (LABC).
Materials And Methods:
A total of 109 patients with LABC from Akdeniz University and Antalya Research and Training Hospital were evaluated retrospectively.
Results:
ROC curve analysis suggested that the optimum MPV cut-off point for LABC patients with pCR (+) was 8.15 (AUC:0.378, 95%CI [0.256- 0.499], p=0.077). The patients with MPV <8.15 had higher pCR rates (29.2% vs. 13.1%, p=0.038). After binary logistic regression analysis, MPV and estrogen receptor absence were independent predictors for pCR.
Conclusions:
MPV has an independent predictive value for pCR after neoadjuvant chemotherapy in patients with LABC.
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