Safety and Efficacy of THR-1442 Compared to Dapagliflozin as Add-on Therapy to Metformin in T2DM

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  • sponsor
    Newsoara Biopharma Co., Ltd.
Updated on 22 December 2021


The purpose of this study is to investigate the effect of THR-1442 compared to Dapagliflozin as an add-on therapy to metformin in lowering hemoglobin A1c (HbA1c) levels in subjects with type 2 diabetes mellitus (T2DM).


Approximately 390 subjects with inadequately controlled T2DM on metformin were to be recruited from China. Subjects were randomly assigned to receive THR-1442 tablet, 20 mg, or Dapagliflozin tavlet,10 mg, in a ratio of 1:1 once daily for 24 weeks. Subjects were to continue taking metformin for the duration of the study.

Condition T2DM
Treatment THR-1442 and Dapagliflozin placebo, Dapagliflozin 10mg and THR1442 placebo
Clinical Study IdentifierNCT05159882
SponsorNewsoara Biopharma Co., Ltd.
Last Modified on22 December 2021


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Inclusion Criteria

Male or female adult subjects ≥ 18 years of age
If subjects are female of childbearing potential, subjects must be negative on the pregnancy test and abstain from coitus or use effective contraceptive measures during the entire study until 30 days after the investigational product is discontinued
Subjects diagnosed with T2DM, with a HbA1c level of 7.5-11% (inclusive) at screening and 7.0-10.5% (inclusive) at enrollment
Subjects who are treated with a stable dose of ≥ 1500 mg/day metformin monotherapy along with diet and exercise counseling for at least 8 weeks prior to screening
Subjects with a BMI of 19-35kg/m2 (inclusive) at screening
If applicable, taking stable doses of treatment for dyslipidemia and/or hypertension for 30 days prior to screening. Subjects who do not need to be treated with dyslipidemia or hypertension by the investigator's judgment are also eligible for the study

Exclusion Criteria

History of diabetes insipidus
Definitive diagnosis of Type 1 diabetes mellitus, maturity-onset diabetes of the young (MODY), or secondary diabetes mellitus
Symptoms of diabetes mellitus inadequate control, resulting in the inability to participate in this trial, including but not limited to significant polyuria and polydipsia within 3 months prior to the screening visit and weight loss > 10%
History of urinary tract or genital infection within 6 months prior to screening, or ≥ 3 times of urinary tract or genital infections within 6 months prior to screening that require treatments
Two or more consecutive SMBG measures ≥ 250 mg/dL (13.9 mmol/L) prior to randomization (run-in period) accompanied by clinical signs or symptoms of hyperglycemia prior to randomization, including weight loss, blurred vision, increased thirst, increased urination, or fatigue
History of diabetic ketoacidosis or hyperosmolar non-ketonic coma within 6 months prior to screening
History of severe fracture secondary to osteoporosis
Poorly controlled hypertension: blood pressure systolic ≥ 160 mmHg and/or blood pressure diastolic ≥ 100 mmHg
Surgical history resulting in unstable weight or scheduled for such surgery during the study period
Any unstable endocrine, psychiatric, or rheumatoid disease as assessed by the investigator
Possible risk of dehydration or body fluid exhaustion based on the investigator's judgment that may affect the interpretation of efficacy or safety data
Currently having or had a history of alcohol or drug abuse within the past 6 months
Presence of the following cardiovascular/vascular disorders within 6 months prior to
Unstable or rapidly progressive renal disorder
Congenital renal glycosuria
Major liver disease, including but not limited to hepatitis chronic active and/or significant hepatic function abnormal, including ALT and/or AST ≥ 3 × upper limit of normal (ULN) and/or total bilirubin ≥ 2 × ULN; or medical history of severe hepatobiliary disease; or history of any drug-related hepatotoxicity
Current positive serological test result for infectious hepatitis, including known positivity to hepatitis B surface antigen and hepatitis C antibody
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