Observational Analysis of the Associational Between Dietary Factors and Postprandial Glucose Fluctuations

Not yet recruiting

• Conditions: Diabetes

• Registration Number: NCT07117188
• Lead Sponsor: Shanghai Zhongshan Hospital

Brief Summary

This study aims to observe the differences in postprandial blood glucose fluctuations in patients with type 2 diabetes and healthy individuals after consuming different dietary recipes through a prospective cohort study, in order to optimize individualized dietary strategies.

Detailed Description

Not available

Study Timeline

• Status Verified: 2025-08
• Study First Submitted: 2025-08-04
• Study Start: 2025-08-05
• Study First Submitted QC: 2025-08-10
• Last Update Submitted: 2025-08-10
• Study First Posted: 2025-08-12
• Last Update Posted: 2025-08-12
• Primary Completion: 2026-01-01
• Study Completion: 2026-04-01

Recruitment & Eligibility

• Status: NOT_YET_RECRUITING
• Sex: All
• Target Recruitment: 48

Inclusion Criteria

• For diabetes cohort:

  1. diagnosed with type 2 diabetes is more than one month
  2. Glycated hemoglobin (HbA1c) : 6.5%<HbA1c<10.5%(48 mmol/mol < HbA1c < 91.3 mmol/mol)
  3. Requirements for the blood glucose management plan: Within one month before the start of the trial, a simple lifestyle, and/or one or more oral hypoglycemic drugs (metformin, DPP-4 inhibitors, SGLT-2 inhibitors, TZD drugs, GLP-1 receptor agonists), and/or basal insulin treatment once a day were adopted, and the regimen was required to be maintained stably within 7 days before the start of the trial and during the trial.
  4. Take the test voluntarily and sign the informed consent form.

• For Non-diabetic cohort:

  1. Glycated hemoglobin (HbA1c) : HbA1c<5.7%
  2. Fasting blood glucose was between 3.9 and 5.6 mmol/L, and 2-hour postprandial blood glucose was less than 7.8mmol/L
  3. Take the test voluntarily and sign the informed consent form.

Exclusion Criteria

1. Skin damage, scars, redness and swelling at the wearing site, or those with subcutaneous edema at the wearing site of an infected person, or those allergic to disinfectants, medical adhesive tapes or patches.
2. Epilepsy or cognitive impairment, immunosuppressive disorders, and systemic neurological diseases.
3. Required emergency or inpatient treatment due to severe hypoglycemia (blood glucose < 3.0mmol/L with consciousness disorder), diabetic ketoacidosis, or non-ketotic hyperosmolar syndrome in the past six months.
4. Severe circulatory disorders.
5. Long-term gastrointestinal diseases (such as celiac disease, gastroparesis, etc.), or eating disorders or having undergone bariatric surgery (such as gastric bypass surgery); Has a history of severe infection within the past month; History of malignant tumors (except skin cancer); Mental illnesses such as depression; Severe liver and kidney dysfunction (renal function: estimated eGFR<30mL/min or maintenance dialysis required;) Liver function: ALT and AST>3 times the upper limit of the normal value or active liver disease. History of severe cardiovascular disease (NYHA cardiac function classification III-IV or BNP >400 pg/mL).
6. Technical or language barriers: Inability to use research applications or understand text; Unable to cooperate with the use of research equipment such as continuous blood glucose monitors and accelerometers.
7. Drug use: Immunosuppressants, proton pump inhibitors, or steroid drugs have been used in the past 4 weeks or are planned to be used during the study period.
8. BMI<16.5 kg/m².
9. Magnetic resonance imaging (MRI) examination is planned or conducted within 16 days of product use.
10. Pregnant and lactating women, and those planning to become pregnant during the study period.
11. Those whom the researchers consider unsuitable to participate in this clinical study.

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
postprandial glycemic response	14 days	postprandial glycemic response (PPGR) : PPGR refers to the dynamic changes in blood sugar levels after eating, reflecting the extent to which food affects blood sugar. PPGR is mainly determined by calculating the area under the Incremental curve (Incremental AUC, iAUC) of blood glucose.

Secondary Outcome Measures

Name	Time	Method
postprandial blood glucose peak	14 days	The maximum postprandial blood glucose measured by CGM

Trial Locations

Locations (1)

Zhongshan Hospital Fudan University; 🇨🇳 Shanghai, China