Abstract
Among all types of cancers in India, head and neck cancer (HNC) accounts for 30%. Oxidative stress (OS) is one of the aetiologies for cancer. However, it is not evaluated for these patients scheduled for anticancer therapy. Therefore, in the present study, we have compared two biochemical markers in HNC patients before therapy to assess their suitability as a marker for ongoing OS in the locally advanced stage of HNC. We measured the body mass index (BMI), waist-hip ratio (WHR), blood pressure (BP), albumin, total antioxidant status (TAS), ischemia modified albumin (IMA), and albumin adjusted IMA (AdjIMA) in forty locally advanced squamous cell carcinoma HNC patients and compared with forty healthy individuals of similar age and gender. AdjIMA and TAS were compared by the receiver operating curve. BMI and WHR were significantly lower in HNC patients with no difference in BP parameters. Both IMA and AdjIMA were higher and TAS was lower in HNC patients. TAS was positively associated with BMI and negatively with AdjIMA. Between AdjIMA and TAS, AdjIMA at an optimal cutoff value of 0.23 absorbance unit had higher sensitivity (71%), specificity (65%), and area under the curve (0.710 vs. 0.365). Antioxidant levels are grossly altered in HNC patients. AdjIMA can be considered a better marker for assessing OS in HNC patients than TAS.
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