Effect of Probiotics on Pre-diabetes and Diabetes in China

Effect of Probiotics on Pre-diabetes and Diabetes in China-the Role of Gut Microbiota Composition

This study is aimed at verifying the effects of probiotics (KAWAI:dead S.thermophilus) on glucos management among T2DM and pre-diabetes Chinese adult. Additionally, the investigators intend to verify the effects of probiotics on modifying the structure and function of gut microbiome.

Methods: double-blind, randomized controlled trial. Number of participants: 160 patients with pre-diabetes and 60 diabetes. Intervention time: 3months. Data and Specimen collection time: at baseline and after the intervention.

Observation index

1. Physical measurement: gender, age, weight, BMI, waist circumference, hip circumference, waist-to-hip ratio, systolic pressure, diastolic blood pressure.
2. Lifestyle questionnaire: diet, drinking, exercise, sleep and other habits.
3. Blood test: blood glucose, OGTT, blood lipid, TNF-a, il-6, il-10, LPS, glp-1, gut microbiome metabolism products, T2DM related methylation.

4. Gut microbiome detection: gut microbiome 16Sr DNA sequencing, gut microbiome bioinformatics analysis

Inclusion Criteria:

1. Meet Diabetes/pre-diabetes diagnostic criteria
2. BMI 18-35kg/m2

Exclusion Criteria:

1. Patients with diabetes or hyperlipidemia, and need regular use of drugs.
2. Secondary obesity or diabetes
3. Digestive, tumor, heart, lung, kidney, rheumatic immunity and other systemic serious diseases
4. Pregnant women, women ready for pregnancy, and nursing mothers
5. Take antibiotics or bacterial agents within 1 month
6. Diarrhea or abscess in 1 month or blood or other abnormal feces
7. Diabetics have a history of more than 2 years
8. The OGTT experiment of diabetic patients FG≥9mmol/L or 2h≥14mmol/L