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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT06383832
Other study ID # 20240310_GY
Secondary ID
Status Completed
Phase Phase 4
First received
Last updated
Start date October 28, 2021
Est. completion date December 26, 2023

Study information

Verified date April 2024
Source Zhujiang Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

In recent years, the prevalence of overweight and obesity has increased dramatically worldwide, of which 34.3% and 16.4% of adults in China are overweight and obese, respectively, ranking first in the world's obese population. Dapagliflozin is a sodium-glucose transporter 2 Inhibitors that inhibits glucose reabsorption and promotes urinary glucose excretion by inhibiting renal proximal tubular sodium-glucose transporter 2 Inhibitors for the treatment of type 2 diabetes mellitus. The urinary glucose excretion induced by dapagliflozin can induce weight loss through energy loss or body water loss caused by osmotic diuresis. In addition, in patients with type 2 diabetes, dapagliflozin may also induce weight loss by reducing body fat as well as subcutaneous and visceral fat.In a randomized controlled trial, type 2 diabetes patients treated with sodium-glucose transporter 2 Inhibitors lost approximately 1-3 kg. Also, sodium-glucose transporter 2 Inhibitors have shown good weight loss in obese people without type 2 diabetes. In real-world studies, a minority of type 2 diabetes patients taking dapagliflozin experienced weight gain. The American Lipid Association defines a low carbohydrate diet as the calorie intake of carbohydrates accounting for 10-25% of the total daily energy intake. In a randomized controlled trial, a low-carbon diet showed a more significant decrease in body weight, fat mass index, whole body fat, and visceral fat after 8 weeks compared to the standard diet. So, this study intends to investigate whether the weight loss effect of dapagliflozin is affected by different dietary structures.


Description:

Record the following indicators before and after intervention, including height, weight, BMI, blooAccording to previous literature, dapagliflozin has a weight loss effect on overweight/obese individuals. This study is a prospective, open label, single arm, exploratory clinical trial, expected to include 36 overweight women. The subjects enter a 4-week introduction period, during which they need to maintain their original dietary habits and record a 24-hour dietary review on the 3rd of each week. At the end of the introduction period, if the weight change of the subject is less than 3%, it is considered qualified. Then, qualified subjects will receive a 12 week intervention with dapagliflozin tablets (oral, 10mg, once a day). During the experiment, participants were required to maintain their original dietary habits unchanged. Participants are required to record their dietary habits for three days a week in order to determine their energy intake and carbohydrate energy ratio. d pressure, waist circumference, abdominal circumference, waist to hip ratio, morning urine routine, 24-hour urine glucose, fasting blood glucose, fasting insulin, blood lipids (TG/TC/LDL/HDL), body fat percentage, body fat mass, muscle mass, subcutaneous fat, visceral fat volume, and abdominal fat volume, and record any adverse reaction events that occurred during the study. Collect patient urine and serum samples for testing. Collect patient feces, freeze the samples in a -80 ℃ freezer, and send the feces to a biological company for testing of intestinal microbiota composition. Conduct subgroup analysis, based on the 24-hour dietary review provided by the subjects on the 3rd day of the week during the introduction period, subjects with carbohydrate energy greater than or equal to 26% of their daily energy intake will be included in the non low carbohydrate group (NCD group), and subjects with carbohydrate energy accounting for 10-25% of their daily energy intake will be included in the low carbohydrate group (LCD group).


Recruitment information / eligibility

Status Completed
Enrollment 36
Est. completion date December 26, 2023
Est. primary completion date December 26, 2023
Accepts healthy volunteers No
Gender Female
Age group 18 Years to 45 Years
Eligibility Inclusion Criteria: - Women. - Age 18-45 years. - 23.9kg/m2< BMI<28kg/m2. - Less than 60 minutes of light activity per week. - No contraindications to MRI. - Voluntary participation and willingness to sign informed consent. Exclusion Criteria: - The weight change in the past three months is greater than 5%. - Taking any medications or dietary supplements in the past 3 months that would affect weight/energy expenditure. - Systolic blood pressure = 140 mmHg and/or diastolic blood pressure= 90 mmHg. - Including endocrine disorders such as diabetes and hyperthyroidism. - Patients with the presence of acute/chronic infections, heart, liver, lung and kidney diseases. - Alcoholism, smoking, strenuous exercise in the past 3 months. - History of recurrent urinary tract infections. - History of malignancy. - Severe renal insufficiency, severe hepatic insufficiency. - Patients who are pregnant, planning to become pregnant in the near future, or breastfeeding. - Those with other conditions that prevent them from participating in the completion of the intervention follow-up. - Participation in other clinical trials within the past 4 weeks.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Dapagliflozin
Dapagliflozin tablets oral 10mg/d qd, intervention for 12 weeks.

Locations

Country Name City State
China Zhujiang Hospital Guangzhou Guangdong
China Zhujiang Hospital of Southern Medical University Guangzhou Guangdong

Sponsors (1)

Lead Sponsor Collaborator
Sun Jia

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Changes in Body mass index (BMI) i When measuring height, the subjects are required to take off their shoes, hats, and coats, keep their feet together in an upright position, keep their shoulders, head, and heels close to the ruler, and look straight ahead with the right-angle plate close to the top of the head. The measurement standard of height is accurate to 0.1cm. When measuring body weight, the subjects are required to take off their shoes, hats, and single clothes for measurement and the measurement standard of body weight is accurate to 0.1kg. Body mass index (BMI) is calculated by dividing body weight (kg) by the square of height (m2). All measurements will be performed by trained staff. At 12th week after the intervention.
Secondary Changes in fasting blood glucose. Fasting blood glucose will be uniformly implemented in the Laboratory. At 12th week after the intervention.
Secondary Changes in waist circumference. When measuring the waist circumference, the subjects were required to wear thin underwear, and the researchers used a soft ruler to measure the midpoint of the line connecting the highest point of the iliac crest and the lower edge of the 12th rib around the abdomen in the horizontal direction, and the measurement of waist circumference was accurate to 0.1cm. All measurements are performed by trained staff. At 12th week after the intervention.
Secondary Changes in insulin resistance index. The steady-state model assessment method will be used to calculate homeostasis model assessment of insulin resistance. At 12th week after the intervention.
Secondary Changes in waist-to-hip ratio. When measuring the waist circumference, the subjects were required to wear thin underwear, and the researchers used a soft ruler to measure the midpoint of the line connecting the highest point of the iliac crest and the lower edge of the 12th rib around the abdomen in the horizontal direction, and the measurement of waist circumference was accurate to 0.1cm. When measuring the hip circumference, the subjects are required to wear thin underwear, and a soft ruler is required to measure the circumference of the most protruding part backwards around the buttocks to the nearest 0.1cm. The waist-to-hip ratio is calculated by dividing the waist circumference by the hip circumference. All measurements are performed by trained staff. At 12th week after the intervention.
Secondary Changes in abdominal circumference. When measuring the abdominal circumference, the subjects were required to wear thin underwear and measured the circumference around the abdomen with a soft tape through the point of the iliac crest, measured to an accuracy of 0.1 cm. At 12th week after the intervention.
Secondary Changes in Blood triglycerides will be tested by the Laboratory. At 12th week after the intervention.
Secondary Changes in total cholesterol will be tested by the Laboratory. At 12th week after the intervention.
Secondary Changes in low-density lipoprotein?high-density lipoprotein will be tested by the Laboratory. At 12th week after the intervention.
Secondary Changes in body fat percentage. Body fat percentage will be tested using an body composition analyzer manufactured in Korea. Before the measurement, the subjects will be required to have an empty stomach and instructed to empty their urine and bowels. The subjects will be asked to use 75% alcohol gauze to wipe their hands and feet to make them fully contact the electrode surface of the analyzer after taking off their socks. Then researchers having training before will enter the patient's personal information on the body composition analyzer computer, and press the finish and start buttons next to get the body fat percentage measurement result. At 12th week after the intervention.
Secondary Changes in subcutaneous fat volume. Specialized researchers used Dutch made Philips magnetic resonance imaging to scan the abdomen and upper part of the pelvis of the subjects. The scanning was performed using body coils, and after a period of adaptation, the subjects were scanned in a fixed ambient temperature in the scanning room. Based on the open-source image processing software from Harvard Medical School in the United States, semi-automatic image segmentation is performed on fat images to obtain subcutaneous fat volume, respectively; Based on open-source image processing software in the United States, the average value represents the fat fraction of the liver. At 12th week after the intervention.
Secondary Changes in body fat volume. Body fat volume will be tested using an body composition analyzer manufactured in Korea. Before the measurement, the subjects will be required to have an empty stomach and instructed to empty their urine and bowels. The subjects will be asked to use 75% alcohol gauze to wipe their hands and feet to make them fully contact the electrode surface of the analyzer after taking off their socks. Then researchers having training before will enter the patient's personal information on the body composition analyzer computer, and press the finish and start buttons next to get the body fat volume measurement result. At 12th week after the intervention.
Secondary Changes in the relative abundance of gut microbiota. At baseline and at the end of the trial, researchers will collect fecal samples from participants, all of which will be frozen and stored in a refrigerator. After the experiment, the fecal samples will be sent to Hangzhou Lianchuan Biotechnology Co., Ltd. to extract total fecal DNA. 16S rDNA sequencing technology will be used to detect the relative abundance of intestinal microorganisms. At 12th week after the intervention.
Secondary Changes in urine. Morning urine routine?24h urine glucose will be uniformly implemented in the Laboratory. At 12th week after the intervention.
Secondary Changes in ß-hydroxybutyric acid. ß-hydroxybutyric acid will be implemented in the Laboratory. At 12th week after the intervention.
Secondary Changes in muscle mass. Muscle mass will be tested using an body composition analyzer manufactured in Korea. Before the measurement, the subjects will be required to have an empty stomach and instructed to empty their urine and bowels. The subjects will be asked to use 75% alcohol gauze to wipe their hands and feet to make them fully contact the electrode surface of the analyzer after taking off their socks. Then researchers having training before will enter the patient's personal information on the body composition analyzer computer, and press the finish and start buttons next to get the muscle mass measurement result. At 12th week after the intervention.
Secondary Changes in fasting insulin. Fasting blood glucose?fasting insulin will be uniformly implemented in the Laboratory. At 12th week after the intervention.
Secondary Changes in visceral fat volume. Specialized researchers used Dutch made Philips magnetic resonance imaging to scan the abdomen and upper part of the pelvis of the subjects. The scanning was performed using body coils, and after a period of adaptation, the subjects were scanned in a fixed ambient temperature in the scanning room. Based on the open-source image processing software from Harvard Medical School in the United States, semi-automatic image segmentation is performed on fat images to obtain visceral fat volume, respectively; Based on open-source image processing software in the United States, the average value represents the fat fraction of the liver. At 12th week after the intervention.
Secondary Changes in hip circumference. When measuring the hip circumference, the subjects are required to wear thin underwear, and a soft ruler is required to measure the circumference of the most protruding part backwards around the buttocks to the nearest 0.1cm. The waist-to-hip ratio is calculated by dividing the waist circumference by the hip circumference. All measurements are performed by trained staff. At 12th week after the intervention.
Secondary The incidence of adverse events. The investigator will ask participants in face-to-face visits or contacted with them by phone to record observed side effects and adverse events in time. At 12th week after the intervention.
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