diabetes
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age is 25-75 years. 2. Diabetic patients who were diagnosed with diabetes or prediabetes (impaired fasting glucose and/or glucose tolerance) according to the 2020 edition of the Chinese Guidelines for the Prevention and Treatment of Type 2 Diabetes. 3. Patients who do not use insulin to control their blood glucose. 4. Patients who have no prior long-term habit of drinking black tea series (Pur tea (cooked tea), black tea, Fuzhuan tea, Qin-brick tea, Liubao tea, etc.), or who have not consumed such black tea in the last two months (occasional drinking should not be considered). 5. No special tea consumption preference. Flowers or non traditional tea are not included, such as chrysanthemum, jasmine, wolfberry, orange peel, buckwheat, etc. 6. For the permanent population in this city, the place of residence will not change during the implementation of the project. 7. volunteered to participate in this study and signed informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with type 2 diabetes who have already used insulin to control their blood glucose. 2. Those with type 2 diabetes who need to change their treatment regimen due to poor glycaemic control (HbA1c = 9) within the past 3 months and during the implementation of the project. 3. Patients with heart, liver, and kidney damage and other diseases requiring limited water. 4. Patients who are not advised to drink tea, or who are very sensitive to tea. 5. Those with severe gastrointestinal dysfunction, history of gastrointestinal surgery. 6. Patients with other special types of diabetes, or endocrine disorders, immune system disorders. 7. Long-term use of glucose-raising drugs such as hormones. 8. Long-term tea drinkers, or those who take Chinese medicine or health products for a long time. 9. Patients with other factors that may interfere with trial completion.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Fasting blood glucose;glycosylated hemoglobin;Blood sugar 2 hours after a meal;Fasting insulin;Insulin 2 hours after a meal;triglyceride;Total cholesterol;High density lipoprotein;Low-density lipoprotein; | — |
Secondary
| Measure | Time frame |
|---|---|
| Body Mass Index;Height;Weight; | — |
Countries
China
Contacts
Yichang Hospital of Traditional Chinese Medicine