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A Study to Assess the Effects of DPP-4 Inhibition on Insulin Sensitivity in Type 2 Diabetes

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
ClinicalTrials.gov Identifier: NCT00351546
Recruitment Status : Completed
First Posted : July 13, 2006
Last Update Posted : May 7, 2012
Information provided by:

Study Description
Brief Summary:
Type 2 diabetes results when the body does not produce enough insulin and/or is unable to properly use the insulin it makes (insulin resistance). This study was undertaken to assess the effects of vildagliptin on insulin sensitivity in people with type 2 diabetes.

Condition or disease Intervention/treatment Phase
Diabetes Mellitus, Type 2 Drug: Vildagliptin Phase 3

Study Design

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 12 participants
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: A Study to Assess the Effects of DPP-4 Inhibition on Insulin Sensitivity in Type 2 Diabetes
Study Start Date : February 2005
Primary Completion Date : November 2005
Study Completion Date : December 2005

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Allergy
Drug Information available for: Insulin
U.S. FDA Resources

Arms and Interventions

Outcome Measures

Primary Outcome Measures :
  1. Effect on insulin sensitivity at 6 weeks

Secondary Outcome Measures :
  1. Lipolysis rate after 6 weeks of treatment
  2. Plasma free fatty acid concentration after 6 weeks of treatment
  3. Hepatic glucose production after 6 weeks of treatment
  4. Glucose disposal after 6 weeks of treatment
  5. Gluconeogenesis rate after 6 weeks of treatment

Eligibility Criteria

Information from the National Library of Medicine

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Ages Eligible for Study:   21 Years to 65 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Diagnosed with type 2 diabetes at least 3 months prior to screening
  • Blood glucose criteria must be met
  • On stable dose of metformin therapy
  • BMI less than or equal to 39

Exclusion Criteria:

  • Type 1 diabetes, diabetes resulting from pancreatic injury or secondary forms of diabetes
  • Treatment with thiazolidinediones or use of insulin within the previous 3 months
  • Significant illness within 2 weeks prior to dosing
  • High fasting triglycerides as defined by the protocol

Other protocol-defined inclusion/exclusion criteria may apply

Contacts and Locations

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00351546

Sponsors and Collaborators
Principal Investigator: David Kelley, MD University of Pittsburgh
More Information

ClinicalTrials.gov Identifier: NCT00351546     History of Changes
Other Study ID Numbers: CLAF237A2352
First Posted: July 13, 2006    Key Record Dates
Last Update Posted: May 7, 2012
Last Verified: May 2012

Keywords provided by Novartis:
Type 2 diabetes
Insulin sensitivity
Insulin action

Additional relevant MeSH terms:
Diabetes Mellitus
Diabetes Mellitus, Type 2
Insulin Resistance
Glucose Metabolism Disorders
Metabolic Diseases
Endocrine System Diseases
Immune System Diseases
Insulin, Globin Zinc
Hypoglycemic Agents
Physiological Effects of Drugs
Dipeptidyl-Peptidase IV Inhibitors
Protease Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action