Sitagliptin in Prevention of Type 2 Diabetes Mellitus (SITAGLIPTIN)


India Diabetes Research Foundation & Dr. A. Ramachandran's Diabetes Hospitals

Status and phase

Phase 3


Type 2 Diabetes


Other: life style modification at base line
Drug: Sitagliptin

Study type


Funder types




Details and patient eligibility


The hypothesis is, in subjects with persistent impaired glucose tolerance(IGT) , sitagliptin will decrease the conversion rate to diabetes as compared to a placebo in three years.

Full description

The DPP-4 inhibitor Sitagliptin may be a suitable preventive agent in subjects with IGT or IFG on account of observed functional improvements in islet cell function and potential protective effect on beta cell mass. Objectives of the study Primary objectives : - To test whether the DPP4 inhibitor Sitagliptin is effective in preventing conversion of IGT to diabetes when compared with a placebo. Secondary objectives: To assess rates of reversal from IGT to Normal Glucose Tolerance (NGT) in IGT patients administered Sitagliptin To assess the effect of Sitagliptin on measure of beta cell function and insulin resistance in patients with IGT. Study design Double blind placebo controlled, parallel group study - three years follow up . Subjects with IGT in the age group of 30-55 years (n=900) will be identified by screening with a standard OGTT. Selected subjects will be randomized to the control arm using placebo and the two study arms using Sitagliptin. At baseline all group will receive a standard advice on lifestyle modification. The dose of sitagliptin will be 100 mg/d. The subjects will be reviewed at 6 monthly intervals and repeat OGTT will be done annually. Proforma containing details of anthropometry, occupation, physical activity, diet habits, details of medications, regularity of treatment and biochemical investigations will be filled up at each interview. Investigations: Initial Screening Demographic data Height, weight, waist and hip measurements. Details of family history of diabetes, hypertension and cardiovascular diseases. History of any other major illness. History of blood pressure and measurements. Details of education and occupation. Diet habits will be analyzed by dietician. Details of physical activity will be assessed by a questionnaire. Laboratory investigations: Initial OGTT Plasma glucose and HbA1c. Lipid profile Liver function tests Serum amylase and serum lipase Plasma insulin 12 lead ECG. Review analysis: Review will be done with all clinical and biochemical assessment annually. Evaluation of adherence to prescription will be done at 6 monthly intervals.




30 to 55 years old


Accepts Healthy Volunteers

Inclusion criteria

Subjects with IGT in the age group of 30-55 years (n=900) will be identified by screening with a standard OGTT.

Exclusion criteria

  • Known diabetes
  • Pregnant women
  • Alcohol abuse
  • Transferable jobs.
  • Subjects with major illness like cancer, hepatic or cardiac diseases.

Trial design

Primary purpose




Interventional model

Parallel Assignment


Double Blind

0 participants in 2 patient groups, including a placebo group

Placebo Comparator group
Advice life style at baseline only
Other: life style modification at base line
sitagliptin arm : 2
Active Comparator group
100mg/day sitagliptin advice on life style modification at baseline only
Drug: Sitagliptin

Trial contacts and locations



Data sourced from

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