RESEARCH PAPER
Year : 2013  |  Volume : 4  |  Issue : 1  |  Page : 27-32

Effect of addition of either sitagliptin or pioglitazone in patients with uncontrolled type 2 diabetes mellitus on metformin: A randomized controlled trial


1 Department of Pharmacology, Maulana Azad Medical College, New Delhi, India
2 Department of Internal Medicine, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi, India
3 Department of Biochemistry, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi, India

Correspondence Address:
Raktim Kumar Ghosh
Department of Pharmacology, Maulana Azad Medical College, New Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0976-500X.107656

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Objective: To compare and study the dipeptidy1 peptidase-4 (DPP-4) inhibitors in combination with metformin against established combination therapies. Materials and Methods: This 16-week study was designed to compare sitagliptin versus pioglitazone as add-on therapy in patients of type 2 diabetes mellitus inadequately controlled with metformin alone. Fifty-two patients were randomized into two groups to receive either sitagliptin 100 mg (group 1) or pioglitazone 30 mg (group 2) in addition to metformin. The primary efficacy end point was change in HbA1c. Secondary end points included change in fasting plasma glucose (FPG), body weight and lipid profile. Treatment satisfaction was assessed using the Diabetes Treatment Satisfaction Questionnaire. Both the groups had a significant decrease in HbA 1c . Results: There was no significant difference between mean reductions in FPG in both the groups. There was a significant decrease in the mean body weight and body mass index in group 1 in contrast to the significant increase in the same in group 2. Both the treatment groups reported a significant decrease in High-density lipoprotein (HDL-C) and Triglyceride. Conclusion: Sitagliptin was well tolerated without any incidence of hypoglycemia. It was concluded that sitagliptin as an add-on to metformin is as effective and well tolerated as pioglitazone.


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