- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01642108
Treatment With Sitagliptin in Non-obese Japanese Patients With Type 2 Diabetes Mellitus
The Effect of Sitagliptin, a Dipeptidyl Peptidase-4 Inhibitor, on Glycemic Control and Inappropriate Glucagon Secretion in Non-obese Japanese Patients With Type 2 Diabetes.
Type 2 diabetes mellitus (T2DM) results from early phase insulin secretory defect and insulin resistance. Studies have shown that most of the populations in which insulin resistance is considered to be the primary pathogenetic cause of diabetes, have a higher degree of obesity than those of primary insulin defect. Meanwhile, defective early insulin secretion plays a predominant role in the non-obese subtype of T2DM which includes majority of Japanese patients.
Sitagliptin is a dipeptidyl peptidase-4 (DPP-IV) inhibitor as indicated for the treatment of T2DM. Sitagliptin increases plasma concentrations of active glucagon-like peptide-1 (GLP-1) and active glucose-dependent insulinotropic peptide (GIP) two- to three-fold in patients with T2DM. The effect of sitagliptin on GLP-1 results in lower fasting and postprandial glucose concentrations through increases in glucose dependent insulin release and suppression of inappropriate glucagon secretion. Namely, several mechanistic studies using standardized meal showed that sitagliptin improved glucose control with decreased glucagon levels and increased insulin concentration in obese or overweight T2DM patients with BMI > 25 kg/m2. However, how sitagliptin affects islet function, including glucagon secretion in non-obese patients with low insulin secretion are not known. Therefore, the investigators will examine the effect of sitagliptin on glycemic control and the mechanism involved using a standardized test meal in non-obese Japanese patients with T2DM whose BMI levels are < 25 kg/m2.
Study Overview
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Niigata, Japan, 951-8510
- Recruiting
- Nobumasa Ohara
-
Contact:
- Nobumasa Ohara, Medical Doctor
- Email: oharan@med.niigata-u.ac.jp
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Type 2 diabetic patients
- non-obese patients
Exclusion Criteria:
- patients treated with insulin therapy
- patients aged less than 20 years and more than 90 years
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Sitagliptin
|
50 mg once per day
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
HbA1c
Time Frame: One month
|
One month
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Glucagon secretion
Time Frame: One month
|
One month
|
Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Glucose Metabolism Disorders
- Metabolic Diseases
- Endocrine System Diseases
- Diabetes Mellitus
- Diabetes Mellitus, Type 2
- Hypoglycemic Agents
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Protease Inhibitors
- Incretins
- Dipeptidyl-Peptidase IV Inhibitors
- Sitagliptin Phosphate
Other Study ID Numbers
- 1-Ohara
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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