A Clinical Study of Nanocrystalline Megestrol Acetate in Concurrent Chemoradiotherapy for Locally Advanced Cervical Cancer

Cervical cancer, ranking as the fourth most prevalent malignancy in women globally, presents significant challenges in nutritional management. Approximately 31% of patients develop cancer-related malnutrition/cachexia, with 10-20% of deaths directly attributable to nutritional depletion. The disease process and its treatment - particularly concurrent chemoradiotherapy (CCRT) - create a destructive cycle through multiple mechanisms. Tumor-derived factors (including activins and myostatin) and inflammatory cytokines (such as TNF-α and IL-6) actively promote muscle and fat catabolism. CCRT toxicity, especially from platinum-based drugs, worsens this condition by inducing mitochondrial dysfunction and accelerating protein degradation, leading to clinically significant sarcopenia. This metabolic disruption has dire consequences, with studies showing severe weight loss during CCRT correlating with a 2.37-fold increase in mortality risk (HR 2.37, p=0.036). Nanocrystalline megestrol acetate (MA) emerges as a promising therapeutic intervention with dual mechanisms of action. Centrally, it modulates D2 receptors to upregulate neuropeptide Y (NPY), effectively stimulating appetite. Peripherally, it suppresses key inflammatory cytokines (IL-6 and TNF-α), thereby reducing systemic inflammation and muscle wasting. Its efficacy is well-established, with endorsement from major oncology guidelines (ASCO, NCCN, ESMO) for cancer cachexia management. A comprehensive meta-analysis of 35 clinical…

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jingjing Wang  ·  +8613574841167  ·  wangjingjing78@csu.edu.cn

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