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A Study of TG103 Injection Monotherapy in Treatment of Type 2 Diabetes Mellitus

A Multicenter, Randomized, Double-blind, Placebo-controlled Phase 3 Trial of TG103 Injection Monotherapy Subjects With Type 2 Diabetes Mellitus

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06258148
Enrollment
465
Registered
2024-02-14
Start date
2024-04-15
Completion date
2026-01-23
Last updated
2026-03-31

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Type 2 Diabetes Mellitus

Brief summary

This is a randomized, double-blind, placebo-parallel, multicenter phase 3 clinical trial to evaluate the efficacy of TG103 injection 7.5mg and 15mg once a week monotherapy compared with placebo in subjects with type 2 diabetes with poor glycemic control after diet and exercise.

Interventions

DRUGTG103

TG103 injection, 7.5mg, 15 mg, SC, once a week

DRUGPlacebo

Placebo, SC, once a week

Sponsors

CSPC Baike (Shandong) Biopharmaceutical Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* 1.Subjects have diagnosed with type 2 diabetes according to the Guidelines for prevention and treatment of type 2 diabetes in China (2020 Edition), and have been diagnosed with T2DM for at least 8 weeks before screening; * 2.Aged 18 to 75 years (inclusive), no gender limitation; * 3\. Body Mass Index (BMI): 18.5≤BMI≤40; * 4\. No hypoglycemic drugs have been used within 8 weeks before screening, and the blood glucose control is poor after diet and exercise therapy alone * 5.The continuous use of insulin ≤14 days (except gestational diabetes), and/or the types of hypoglycemic drugs used in combination \<3 with the continuous use time ≤4 weeks within 1 year (more than 8 weeks) before screening; * 6.HbA1c must meet the following criteria: * Screening: 7.5% ≤ HbA1c ≤ 11.0% (Local laboratory) * Baseline: 7.0% ≤ HbA1c ≤ 10.5% (Central laboratory) * 7.Subjects of childbearing potential must use reliable methods of contraception throughout the study period and at least 3 months after the last dose to avoid pregnancy in female subjects or pregnancy in the male subject's partner; * 8\. Willing and able to accurately use home glucose meter for self-glucose monitoring; * 9\. Be able to understand and follow the trial procedure, voluntarily participate in the trial and sign the informed consent form.

Exclusion criteria

* 1\. Type 1 diabetes; * 2\. Body weight change more than 5% within 1 month prior to screening; * 3\. Received any of the following medications: 1. Prior discontinuation of DPP-4 inhibitors or GLP-1 receptor agonists for efficacy, tolerability, and safety reasons; 2. Systemic glucocorticoid and growth hormone have been used within 8 weeks before screening; * 4\. History of ≥2 episodes of grade 3 hypoglycemia within 6 months prior to screening, or grade 3 hypoglycemia between screening to randomization; * 5\. Acute complications of diabetes, such as diabetic ketoacidosis and hyperglycemic hyperosmolar status, occurred ≥1 time within 6 months prior to screening; * 6\. Severe chronic complications of diabetes (e.g., proliferative diabetic retinopathy, severe diabetic neuropathy, diabetic foot, etc.) within 6 months prior to screening * 7\. History of acute or chronic pancreatitis prior to screening; * 8\. Subjects with clinically significant gastric emptying abnormalities (e.g., gastric outlet obstruction), severe chronic gastrointestinal diseases (e.g., gastroparesis, inflammatory bowel disease, or intestinal obstruction) within 6 months prior to screening, or who have undergone gastrointestinal surgery that affects gastric emptying; * 9\. Any of the following cardiovascular events within 6 months prior to screening: decompensated cardiac insufficiency (NYHA class III or IV); history of unstable angina pectoris, myocardial infarction, coronary artery bypass grafting, or coronary stent implantation; long QT syndrome or prolonged QTcF interval (QTcF: male \>450 ms, female \>470 ms) on 12-lead ECG; severe arrhythmias that are evaluated by the investigator to be inappropriate for participation in this clinical trial; * 10\. Hemorrhagic stroke or acute ischemic stroke disease occurred within 6 months prior to screening; * 11\. History of psychiatric diseases (such as depression, anxiety, etc.) during screening; or symptomatic gallbladder disease; or history of other diseases that may endanger the safety of the subject and that the investigator deems inappropriate for enrollment; * 12\. Any type of malignant tumor treated or untreated within 5 years prior to screening (except for clinically cured basal cell carcinoma or carcinoma in situ); * 13\. Severe or acute infection within 4 weeks prior to screening, or refractory urinary tract or genital infection within 6 months prior to screening; * 14\. Having a significant blood system disease (e.g., aplastic anemia, myelodysplastic syndrome) or any disease causing hemolysis or red blood cell instability (e.g., malaria) at screening; * 15\. Subjects with thyroid dysfunction that cannot be controlled by a stable drug dose at screening, or with clinically significant abnormalities in thyroid function examination results requiring drug treatment at screening; * 16\. Personal or family history of medullary thyroid cancer (MTC) or type 2 multiple endocrine tumor syndrome at screening; * 17\. Any of the indicators meet the following criteria: * i. Systolic blood pressure ≥ 160mmHg or diastolic blood pressure ≥ 100mmHg at screening or before randomization; * ii. Laboratory tests show any of the following abnormalities: 1. FPG≥13.9 mmol/L; 2. ALT or AST≥2.5×ULN; 3. Total bilirubin (TBiL) ≥2.0×ULN; 4. Triglyceride \>5.7 mmol/L; 5. eGFR\<45 mL/(min\*1.73 m\^2); 6. Serum amylase and/or lipase ≥3×ULN; 7. Hemoglobin \<100 g/L; 8. Calcitonin≥50 ng/L(pg/mL); * iii. Serological examination: 1. Human immunodeficiency virus antibody or treponema pallidum antibody is positive; 2. Hepatitis C antibody is positive, and HCV RNA was higher than the lower limit of the detection reference range; 3. Hepatitis B surface antigen is positive, and the quantitative detection result of HBV DNA was higher than the lower limit of the detection reference range; * 18\. Known allergy to the test drug, Empagliflozin, or related excipients; * 19\. Subjects who have lost more than 400 mL blood due to blood donation or other reasons within 3 months prior to screening; * 20\. Average alcohol intake more than 21 units of alcohol (male)/14 units of alcohol (female) per week within the 3 months prior to screening (1 unit ≈360 mL beer, or 45 mL spirits with 40% alcohol content, or 150 mL wine); * 21\. Subject participated in any drug or medical device clinical study within 3 months prior to screening (except for screening failure); * 22\. Pregnant or lactating female; * 23\. Not suitable for this study in the investigator's opinion.

Design outcomes

Primary

MeasureTime frame
Changes in glycosylated hemoglobin (HbA1c)Baseline through Week28

Secondary

MeasureTime frame
Changes in HbA1cBaseline through Week52
The percentage of HbA1c≤6.5% and the percentage of HbA1c≤7%Week28 and 52
Change in fasting plasma glucose (FPG)Baseline through Week 28 and 52
Change in weightBaseline through Week 28 and 52
Change in 2h-postprandial plasma glucose (2h-PPG)Baseline through Week 28 and 52
Change in mean 7-point blood glucose curve , Change in mean postprandial blood glucose increment .Baseline through Week 28 and 52
Change in blood lipids (triglycerides, total cholesterol, high-density lipoprotein cholesterol, and low-density lipoprotein cholesterol)Baseline through Week 28 and 52
Proportion of subjects receiving remedial therapyWeek 28 and 52
Incidence of adverse eventsWeek-2 through 52
Blood concentrations of TG103Week 0, 4, 8,16, 28,36, 44,52 and 55
The occurrence of TG103 anti-drug antibodies (ADA) and neutralizing antibody (NAb)Week 0, 4, 8,16, 28,36, 44,52 and 55

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 1, 2026