Effects of Liraglutid, Dapagliflozin and Acarbose on the Cognitive Function, Olfactory Function, and Odor-induced Brain Activation in Overweight/Obese T2DM Patients Controlled Inadequately With Metformin Monotherapy.

Obesity Clinical Trial

Official title:
A Prospective, Randomized, Open Label, Parallel, 16-week Study to Explore and Evaluate the Therapeutic Effects of Liraglutid, Dapagliflozin and Acarbose on the Cognitive Function, Olfactory Function, and Odor-induced Brain Activation in Overweight/Obese Patients With T2DM Inadequately Controlled With Metformin Monotherapy.

Status Recruiting

Clinical Trial Summary

Clinical Trial Description

This is a prospective, randomized, open label, parallel, 16-week study to explore and evaluate the therapeutic effects of liraglutid, dapagliflozin and acarbose on the cognitive function, olfactory function, and odor-induced brain activation in overweight/obese patients with T2DM inadequately controlled with metformin monotherapy.We have 1 principle investigator, 6 sub-investigators and 1 nurse in research centre. The sub-investigators will screen in the outpatient and inpatient departments to enroll 87 patients (29 for each arm) totally with the inclusion and exclusion criteria in 12 months. The patients will be randomized at a 1:1:1 ratio into liraglutid, dapagliflozin and acarbose treatment group with a computer-generated random order. All patients will also continue on their existing dose and regimen of metformin throughout the study. At the baseline, clinical information collection, 100g-steamed bread meal test, biochemical measurement, body composition analysis, cognitive assessment, olfactory test and functional magnetic resonance imaging(fMRI) scan will be conducted for all patients. During the treatment period, visits at 4-week intervals will be performed to evaluate the safety of drugs and adjust the dose of metformin if hypoglycaemia occurs; meanwhile, fasting and 2-hour postprandial plasma glucose assayed by fingerstick, physical examination, and olfactory test will be conducted. At the end of the study, all of the assessments will be performed again for all recruited subjects, including early withdrawal patients. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03961659
Study type	Interventional
Source	The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School
Contact	Da long Zhu, MD, PhD
Phone	86-25-83-105302
Email	zhudldr@gmail.com
Status	Recruiting
Phase	N/A
Start date	May 2019
Completion date	February 2021

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.