A study on fasting insulin levels in non-diabetic carcinoma breast patients
Journal Title: International Archives of Integrated Medicine - Year 2019, Vol 6, Issue 3
Abstract
Background: With the advent of multimodality treatment approach, the number of cancer survivors is increasing which push us further to increase our knowledge on potential sites which could be exploited for the survival benefit of the patients. Insulin resistance has long been known to be a risk factor in various malignancies including breast, colon and endometrium. Insulin, a member of the family of growth factors that includes insulin-like growth factors IGF 1, IGF II, exerts mitogenic effects on normal and mitogenic breast epithelial cells acting via insulin and IGF 1 receptor. Insulin resistance leads to overexpression of the above-mentioned receptors and malignant transformation of cells. Aim of the study: To assess the prevalence of insulin resistance in non-diabetic carcinoma breast patients and to document fasting insulin levels in the same cohort of patients. Materials and methods: This was a prospective study conducted in the Department of General Surgery, Government Stanley Medical College in 2018. This study included all patients diagnosed as carcinoma breast, who was a non-diabetic. The relevant details collected included a clinical, radiological, pathological and biochemical profile of patients with carcinoma breast. Results: In our study, the majority of the patients had T3 lesion, with an almost equal incidence of T2. The incidence of T1 lesion was almost nil, which might indirectly indicate the lack of identification of carcinoma breast at an earlier stage in spite of widespread screening tests and campaign. In our study, the prevalence of insulin resistance was 17.2%. Five patients out of 29 of our study group had fasting insulin levels > 25µIU/L and found to have insulin resistance, with blood glucose levels within normal range. Conclusion: The study stated that insulin resistance which is considered a risk factor for many cancers, including carcinoma breast, might be prevalent in patients with normal glucose levels and in the absence of any symptoms. Screening them may be useful in identifying this cohort of patients and treating them with tailored insulin resistance lowering agents like metformin which was found to have anti tumourigenic activity, as well as complete pathological response.
Authors and Affiliations
Princess Beulah, Dr. Vignesh
Keywords
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