To demonstrate the efficacy and safety of acarbose and metformin loose-dose combination as compared to metformin monotherapy in the treatment of subjects with T2DM that is inadequately controlled by metformin alone
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
287
Uptitrated in the treatment phase from 50 mg per day for 1 week, followed by 100 mg per day for another week, and 150 mg per day for the rest 14 weeks, oral, with the first mouthful of main meal
500 mg 3 times daily, oral, with the first mouthful of main meal
Acarbose matching placebo, oral
Absolute change in the levels of glycosylated hemoglobin (HbA1c)
Time frame: At baseline and at treatment week 16
Responder rates
Defined as the percentage of subjects who achieve optimal glycemic control, defined by hemoglobin A1c of 1) \< 7%, and 2) \< 6.5%
Time frame: At week 16
Change in 2-hour postprandial plasma glucose (PPG)
Time frame: At baseline and at treatment week 16
Change in fasting plasma glucose (FPG) levels
Time frame: At baseline and at treatment week 16
Change in fasting serum insulin levels
Time frame: At baseline and at treatment week 16
Change in insulin resistance score
Insulin resistance score was calculated based on the homeostasis model assessment (HOMA) model: fasting plasma glucose in mmol/l \* fasting serum insulin in mU/L / 22.5.
Time frame: At baseline and at treatment week 16
Number of participants with adverse events
Time frame: Up to 16 weeks
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Anhui Provincial Hospital
Hefei, Anhui, China
The First Affiliated Hospital of Anhui Medical University
Hefei, Anhui, China
The First Affiliated Hospital of Sun Yat-Sen University
Guangzhou, Guangdong, China
Sun Yat-Sen Memorial Hosp. Sun Yat-Sen Univ.
Guangzhou, Guangdong, China
The 3rd Affiliated Hospital of Guangzhou Medical University
Guangzhou, Guangdong, China
The Second Affliated Hospital of Hainan Medical University
Haikou, Hainan, China
Hainan Third People's Hospital (Province Nongken Sanya Hopt)
Sanya, Hainan, China
1st Affiliated Hospital of Henan Science and Technology Univ
Luoyang, Henan, China
The first affiliated hospital of Zhengzhou University
Zhengzhou, Henan, China
Taihe Hospital
Shiyan, Hubei, China
...and 19 more locations