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The purpose of this study is to evaluate the efficacy and safety of Janagliflozin compared to placebo, both in combination with Metformin, in Chinese patients with type 2 diabetes mellitus (T2DM) inadequately controlled with Metformin alone.
A multicentre, randomized, double-blind, placebo-controlled, parallel-group study (a 24-week core period followed by a 28-week extension period), to evaluate the efficacy and safety of Janagliflozin (25 mg and 50 mg) compared to placebo, all in combination with Metformin, in patients diagnosed with T2DM who are not achieving an adequate response from Metformin monotherapy. Approximately 390 patients with inadequate glycemic control with Metformin monotherapy will receive once-daily double-blind treatment with Janagliflozin 25 mg or 50 mg , both in combination with Metformin , for 52 weeks, or receive 24 weeks of double-blind treatment with placebo in combination with Metformin followed by 28 weeks of single-blind treatment with Janagliflozin 25 mg or 50 mg, both in combination with Metformin. During the treatment, if a patient's glycemic level remains high despite treatment with study drug and reinforcement with diet and exercise, the patient will receive treatment with Linagliptin (rescue therapy) consistent with local prescribing information.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Janagliflozin 25 mg plus metformin | Experimental | Each patient will receive 25 mg of Janagliflozin plus metformin for 52 weeks (a 24-week core period followed by a 28-week extension period) |
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| Janagliflozin 50 mg plus metformin | Experimental | Each patient will receive 50 mg of Janagliflozin plus metformin for 52 weeks (a 24-week core period followed by a 28-week extension period) |
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| Placebo/Janagliflozin plus metformin | Placebo Comparator | In the core period, each patient will receive placebo plus metformin for 24 weeks and will then switch from placebo to 25 mg or 50 mg of Janagliflozin plus metformin until Week 52. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Janagliflozin plus metformin | Drug | Janagliflozin: Tablets, Oral, 25 mg, Once daily, 52 weeks The patient's stable dose of background therapy of metformin should be continued throughout the study. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Hemoglobin A1c (HbA1c) From Baseline to Week 24 (Core period) | To examine whether the mean change in HbA1c from Baseline to Week 24 with Janagliflozin is superior to placebo | Baseline and Week 24 |
| Measure | Description | Time Frame |
|---|---|---|
| Change in HbA1c From Baseline to Week 52 | To compare the mean change in HbA1c from Baseline to Week 52 between groups | Baseline and Week 52 |
| Percentage of Patients With HbA1c <7% at Week 24 (Core period) and Week 52 (Extension period) |
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Inclusion Criteria:
Exclusion Criteria:
History of type 1 diabetes mellitus (T1DM), diabetes caused by pancreatic injury, or secondary diabetes (e.g., diabetes caused by Cushing's syndrome or acromegaly)
More than 10% change in body weight within the 3 months before screening
Any laboratory test indicators meet the following standards:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Leili Gao, Doctor | Contact | 00861088325578 | 00861088325578 | plum_jj@sina.com |
| Linong Ji, Doctor | Contact | 00861088325578 | 00861088325578 | plum_jj@sina.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Linong Ji | Recruiting | Beijing | Beijing Municipality | China |
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| ID | Term |
|---|---|
| D003924 | Diabetes Mellitus, Type 2 |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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| ID | Term |
|---|---|
| C000727437 | janagliflozin |
| D008687 | Metformin |
| ID | Term |
|---|---|
| D001645 | Biguanides |
| D006146 | Guanidines |
| D000578 | Amidines |
| D009930 | Organic Chemicals |
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Double Blind
| Janagliflozin plus metformin | Drug | Janagliflozin: Tablets, Oral, 50 mg, Once daily, 52 weeks The patient's stable dose of background therapy of metformin should be continued throughout the study. |
|
| Placebo plus metformin | Device | Placebo: Tablets, Oral, 25/50 mg, Once daily, 24 weeks The patient's stable dose of background therapy of metformin should be continued throughout the study. |
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To compare the percentage of patients with HbA1c <7% at Week 24 (core period) and Week 52 (extension period) between groups
| Week 24 and week 52 |
| Percentage of Patients With HbA1c <6.5% at Week 24 (Core period) and Week 52 (Extension period) | To compare the percentage of patients with HbA1c <6.5% at week 24 (core period) and Week 52 (extension period) between groups | Baseline, Week 24 and Week 52 |
| Change in Fasting Plasma Glucose (FPG) From Baseline to Week 24 (Core period) and Week 52 (Extension period) | To compare the mean change in fasting plasma glucose (FPG) from Baseline to Week 24 (core period) and Week 52 (extension period) between groups | Baseline, Week 24 and Week 52 |
| Change in 2-hour Post-prandial Glucose From Baseline to Week 24 (Core period) and Week 52 (Extension period) | To compare the mean change in 2-hour post-prandial glucose from Baseline to Week 24 (core period) and Week 52 (extension period) between groups | Baseline, Week 24 and Week 52 |
| Change in Blood Lipids (total cholesterol, triglycerides, high-density lipoprotein cholesterol, and low-density lipoprotein cholesterol) From Baseline to Week 24 (Core period) and Week 52 (Extension period) | To compare the mean change in blood lipids (total cholesterol, triglycerides, high-density lipoprotein cholesterol, and low-density lipoprotein cholesterol) from Baseline to Week 24 (core period) and Week 52 (extension period) between groups | Baseline, Week 24 and Week 52 |
| Change in Blood Pressure (systolic blood pressure and diastolic blood pressure) From Baseline to Week 24 (Core period) and Week 52 (Extension period) | To compare the mean change in blood pressure (systolic blood pressure and diastolic blood pressure) from Baseline to Week 24 (core period) and Week 52 (extension period) between groups | Baseline, Week 24 and Week 52 |
| Change in Body Weight From Baseline to Week 24 (Core period) and Week 52 (Extension period) | To compare the mean change in body weight from Baseline to Week 24 (core period) and Week 52 (extension period) between groups | Baseline, Week 24 and Week 52 |
| Change in Fasting C-peptide From Baseline to Week 24 (Core period) and Week 52 (Extension period) | To compare the mean change in fasting C-peptide from Baseline to Week 24 (core period) and Week 52 (extension period) between groups | Baseline, Week 24 and Week 52 |
| Change in Insulin Sensitivity From Baseline to Week 24 (Core period) and Week 52 (Extension period) by calculation Homeostasis model assessment-insulin resistance | To compare the mean change in insulin sensitivity from Baseline to Week 24 (core period) and Week 52 (extension period) between group by calculation Homeostasis model assessment-insulin resistance | Baseline, Week 24 and Week 52 |
| Change in β-cell Function From Baseline to Week 24 (Core period) and Week 52 (Extension period) | To compare the mean change in β-cell function from Baseline to Week 24 (core period) and Week 52 (extension period) between groups | Baseline, Week 24 and Week 52 |
| Percentage of Patients Who Have Received Rescue Therapy at Week 24 (Core period) and Week 52 (Extension period) | To compare the percentage of patients who have received rescue therapy by Week 24 (core period) and Week 52 (extension period) between groups. | Baseline, Week 24 and Week 52 |
| D004700 | Endocrine System Diseases |