- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04014192
Effects of SGLT2 Inhibitors on Islet Cell Function and Insulin Sensitivity in Patients of Type 2 Diabetes Mellitus
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
In this study, type 2 diabetes patients were treated with three kinds of SGLT2 inhibitors (dapagliflozin, empagliflozin and canagliflozin) for one week. With routine dose applied, (dapagliflozin 10mg/d, empagliflozin 10mg/d, canagliflozin 100mg/d), blood glucose level could be improved with small expected effect on body weight and no effect in lipid metabolism after the treatment period of one week. Normal glucose tolerance subjects (diagnosed of OGTT) were included as the control group.According to previous studies in three major SGLT2 inhibitors currently on the market, an increase in urinary glucose excretion and a decrease in blood glucose within three days after application in mice and human could be observed. Therefore, the short-term treatment cycle in this study is intended to be set at one week, and can be extended to two weeks if there is no significant decrease in blood glucose.
The insulin sensitivity, islet beta cell secretion function and islet alpha cell function of diabetic patients were measured at baseline (before taking SGLT2 inhibitors) and one week after taking SGLT2 inhibitors, of normal glucose tolerance subjects were measured only at baseline. The effect of SGLT2 inhibitors on islet cell function and insulin sensitivity would be evaluated in order to study the extrarenal action mechanism of SGLT2 inhibitors.
Study Type
Enrollment (Anticipated)
Phase
- Phase 4
Contacts and Locations
Study Contact
- Name: Weigang Zhao, MD
- Phone Number: +86 13910054636
- Email: xiehezhaoweigang@163.com
Study Contact Backup
- Name: Tao Yuan, MD
- Phone Number: +86 13671067042
- Email: t75y@sina.com
Study Locations
-
-
Beijing
-
Beijing, Beijing, China, 100730
- Recruiting
- Peking Union Medical College Hospital
-
Contact:
- Weigang Zhao, MD
- Phone Number: +86 13910054636
- Email: xiehezhaoweigang@163.com
-
Contact:
- Tao Yuan, MD
- Phone Number: +86 13671067042
- Email: t75y@sina.com
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- (1)According to the diagnostic criteria of World Health Organization (WHO) in 1999, type 2 diabetes mellitus was diagnosed clinically. The age ranged from 18 to 70 years (including 18 and 70 years). There was no limit to the duration of diabetes mellitus and gender.
- (2)Basic antidiabetic therapy is not limited.
- (3)HbA1c ≥ 7%.
- (4)eGFR ≥60 ml/min;without contraindications to SGLT2 Inhibitors.
- (5)Sign written consent form voluntarily.
Exclusion Criteria:
- (1)Other types of diabetes mellitus.
- (2)Unstable control of blood glucose(fasting blood glucose > 11.1 mmol/L).
- (3)Acute complications of diabetes mellitus within 6 months.
- (4)History of myocardial infarction or stroke within 6 months, or existing severe cardiovascular disease and risk.
- (5)Abnormal liver function [i.e. serum alanine aminotransferase (ALT) or aspartate aminotransferase (AST) is 1.5 times higher than the upper limit of normal value].
- (6)Severe hypertension that defined as systolic blood pressure ≥160 mmHg, diastolic blood pressure ≥90 mmHg with drug therapy, or hypotension (resting seat blood pressure < 90/50 mmHg).
- (7)psychosis, alcohol dependence or history of drug abuse, lactation women, participation in other studies three months before the trial, allergic constitution or allergic to a variety of drug and those researchers think inappropriate to the research.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Dapagliflozin Group
10mg/d for one week
|
Treated with dapagliflozin 10mg/d for one week.
|
Experimental: Empagliflozin Group
10mg/d for one week
|
Treated with empagliflozin 10mg/d for one week.
|
Experimental: Canagliflozin Group
100mg/d for one week
|
Treated with canagliflozin 100mg/d for one week.
|
No Intervention: Normal Glucose Tolerance Group
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline to post-treatment in insulin sensitivity.
Time Frame: Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Insulin sensitivity is calculated by the following formula according to blood glucose and insulin levels in OGTT (Oral Glucose Tolerance Test). 1.1 OGTT Matsuda and De Fronzo Insulin Sensitivity Index(ISOGTT):10000/square root(Gluc0×Ins0×mean Gluc×mean Ins)。Mean gluc and mean Ins are average values calculated by each value in 0, 60, 120 and 180 minutes of OGTT. 1.2 QUICKI(quantitative insulin sensitivity check index)model:1/(log[Ins0]+ log[Gluc0]) 1.3 HOMA-IR:(Gluc0×Ins0)/22.5 |
Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Change from baseline to post-treatment in islet beta cell secretory function.
Time Frame: Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Islet beta cell secretory function is calculated by area under the curve of blood glucose、 insulin、C-peptide in OGTT and following formula above. 2.1 Stumvoll first phase insulin secretion:1,194+4.724×Ins0-117.0 ×Gluc60 + 1.414×Ins60 2.2 Stumvoll second phase insulin secretion:295+0.349×Ins60-25.72×Gluc60+1.107×Ins0 2.3 HOMA-β:(20×Ins0)/(Gluc0-3.5) |
Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Change from baseline to post-treatment in islet alpha cell secretory function.
Time Frame: Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Islet Alpha Cell secretory function is calculated by area under the curve of blood glucose、glucagon level in OGTT.
|
Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Change from baseline to post-treatment in weight.
Time Frame: Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Change from baseline to post-treatment in fasting blood glucose and non-fasting blood glucose.
Time Frame: Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Change from baseline to post-treatment in fasting insulin level.
Time Frame: Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Change from baseline to post-treatment in blood lipid including cholesterol, triglycerides, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol.
Time Frame: Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Change from baseline to post-treatment in urine volume and urine glucose level.
Time Frame: Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Change from baseline to post-treatment in urinary output of uric acid, sodium, calcium, and phosphorus.
Time Frame: Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Baseline, Week 1(extended to Week 2 if without significantly decrease in blood glucose)
|
Collaborators and Investigators
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Glucose Metabolism Disorders
- Metabolic Diseases
- Immune System Diseases
- Endocrine System Diseases
- Hyperinsulinism
- Hypersensitivity
- Diabetes Mellitus
- Diabetes Mellitus, Type 2
- Insulin Resistance
- Hypoglycemic Agents
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Sodium-Glucose Transporter 2 Inhibitors
- Dapagliflozin
- Empagliflozin
- Canagliflozin
Other Study ID Numbers
- Yuan-SGLT2
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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