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Indian J Endocrinol Metab. 2012 Dec;16(Suppl 2):S474-6. doi: 10.4103/2230-8210.104136.

Diabetes mellitus in the young: Gliptins or sulfonylurea after metformin?

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  • 1Department of Endocrinology, Medical Division, Command Hospital (Western Command), Chandimandir, India.



Diagnosis and initial management of diabetes mellitus (DM) in the young are clinical dilemma. Gliptins may be a safer and more effective option than sulfonylureas. Few Indian studies have addressed this issue of clinical relevance.


To compare the use of sitagliptin and glimepiride as early add-on drugs along with metformin in young patients with DM to achieve optimum glycemic targets.


This was a prospective, open-label, cohort study set in a tertiary care hospital in North India. Newly diagnosed patients of DM ≤35 year of age were initially treated to pre-defined glycemic goals (Fasting plasma glucose (FPG) 70-130, post prandial glucose (PPG) < 180 mg/dl) with insulin and metformin 1 g for 8 weeks. Insulin was discontinued and metformin increased to 2 g daily for next 4 weeks. Thereafter, glimepiride 1 mg or sitagliptin 100 mg was randomly added to those who were not maintaining the set glucose targets. Dose of glimepiride was uptitrated every 4 weeks upto a maximum of 4 mg. Three groups (Gp A: Metfromin 2 g/d, Gp B: Metformin 2 g + Glimepiride 1-4 mg/d, and Gp C: Metformin 2 g + sitagliptin 100 mg/d) were followed up over next 24 weeks. They were compared for glycemic control and weight change. Those failing therapy on these drugs (FPG > 180, PPG > 250 mg/dl with/without catabolic symptoms/ketosis) were withdrawn.


Sitagliptin with metfromin and metfromin alone group fared better than the glimepiride group for glycemic control, lesser treatment failures, and less weight gain.


In this limited study, we found that sitagliptin is a safer and more effective option in young, newly diagnosed patients with DM. Findings of this study are relevant for clinical practice in Indian setting.


Sitagliptin; diabetes in young; metformin

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