Clinical and genetic predictors of secondary sulfonylurea failure in Type 2 diabetes patients: the SUCLINGEN study.

Pharmacogenomics 2020 06 29;21(9):587-600. Epub 2020 May 29.

Department of Medicine, Putrajaya Hospital, Precinct 7, Putrajaya, 62250, Malaysia.

Due to several limitations in the study designs of sulfonylurea pharmacogenomics studies, we investigated the clinical and genetic predictors of secondary sulfonylurea failure in Type 2 diabetes patients. Patients receiving the maximum sulfonylurea and metformin doses for >1 year were enrolled. Secondary sulfonylurea failure was defined as HbA1c >7.0% (>53 mmol/mol) after a 12-month follow-up. By multivariate analysis, increased insulin resistance (HOMA2-IR), baseline HbA1c >7.0%, residing in eastern Peninsular Malaysia, and the CC genotype of rs757110 gene polymorphism were independent predictors of secondary sulfonylurea failure (p < 0.05) while sulfonylurea-induced hypoglycemia was protective against such failure (p < 0.05). Sulfonylurea does not benefit patients with an increased risk of secondary sulfonylurea failure.

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http://dx.doi.org/10.2217/pgs-2019-0171DOI Listing
June 2020
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