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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05989867
Other study ID # ESTABLISH
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date March 1, 2023
Est. completion date March 2025

Study information

Verified date July 2023
Source Changhai Hospital
Contact Zhuan Liao
Phone 13061921980
Email liaozhuan@smmu.edu.cn
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

To evaluate the islet function and insulin secretion pattern of post-pancreatitis diabetes mellitus by oral glucose tolerance testing, and to explore the pathophysiological characteristics of PPDM-C which provide evidence for the diagnosis of PPDM-C.


Description:

Blood samples will be collected from patients with chronic pancreatitis by oral glucose tolerance test (steamed bun meal test, SBMT) to assess their pancreatic islet function and insulin secretion pattern, measure other intestinal hormones, exosomes, plasma metabolites, and serum biochemical factors to characterize the pathophysiological features of PPDM-C and provide evidence for the diagnosis of PPDM-C. In order to better understand the glycemic fluctuations in patients with chronic pancreatitis combined with diabetes and guide subsequent treatment, Continuous Glucose Monitoring would be used in patients with chronic pancreatitis who had new-onset diabetes or poor glycemic control.


Recruitment information / eligibility

Status Recruiting
Enrollment 200
Est. completion date March 2025
Est. primary completion date December 2024
Accepts healthy volunteers No
Gender All
Age group 15 Years to 85 Years
Eligibility Inclusion Criteria: 1. Age 15-85 2. patients with the diagnosis of chronic pancreatitis and diabetes mellitus (exclude type 1 diabetes). 3. participants with painless chronic pancreatitis were diagnosed with diabetes within 2 years of the diagnosis of chronic pancreatitis. 4. participants with painful chronic pancreatitis were diagnosed with diabetes after the first attack of chronic pancreatitis. 5. patients with chronic pancreatitis were previously diagnosed type 2 diabetes mellitus for more than 3 years. Exclusion Criteria: 1. Participants with suspected malignant tumors of the pancreas or other sites of the body (including pancreatic cyst and Benign pancreatic tumor), or participants in the terminal stage of severe disease 2. Prior pancreatic surgery (including total pancreatectomy, pancreaticoduodenectomy, distal pancreatectomy, pancreatojejunostomy, or Frey), and prior bariatric or gastrointestinal surgery. 3. Serious mental illness, lesion of the liver (alanine aminotransferase or aspartate aminotransferase > 3 times the upper reference limit) or kidney (eGFR<60 mL/min/1.73 m2), pregnancy, breastfeeding or planning pregnancy, or accompanied with active liver diseases such as hepatitis B or hepatic cirrhosis. 4. Diagnosed type 1 diabetes, or other metabolic diseases that affect blood glucose 5. Using high-dose insulin preparations, or drugs affecting glucose metabolism (oral steroids, thiazide diuretics, beta-blockers, beta-agonist, nicotinic acid, immunosuppressant agents, antiretroviral drugs, and antipsychotics) 6. Acute complications of diabetes (diabetic ketoacidosis, severe hypoglycemia), severe microvascular disease (proliferative diabetic retinopathy, known diabetic nephropathy or neuropathy requiring treatment), and macrovascular disease (uncontrolled arterial hypertension, uncontrolled coronary artery disease, congestive heart failure, history of cerebrovascular event, seizure disorder, syncope, adrenal insufficiency, neurologic disease or atrial fibrillation) within the 12 months prior to enrollment. 7. Hospitalization for acute pancreatitis within the 2 months prior to enrollment or currently suffering acute inflammation. 8. Have been enrolled or currently participating in other clinical trials within the 3 months prior to enrollment. 9. Patients who refused to participate in the study

Study Design


Intervention

Diagnostic Test:
blood test
Evaluation of islets function and insulin secretion pattern: Evaluating the venous plasma glucose, c-peptide, and insulin concentrations at 0h, 0.5h, 1h, 2h, and 3h after the SBMT in patients with chronic pancreatitis. Characterization of pathophysiological features: Measuring intestinal hormones, exosomes, serum metabolites, and serum biochemical factors
Device:
Continuous Glucose Monitor
blood glucose will be monitored 24 hours a day from 7 to 14 days by wearing continuous glucose monitor(only for patients who had new-onset diabetes or poor glycemic control )

Locations

Country Name City State
China Department of Gastroenterology, Changhai Hospital Shanghai Shanghai

Sponsors (1)

Lead Sponsor Collaborator
Changhai Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary steamed bun meal test result 1 Levels of glucose under the steamed bun meal experiment (100g flour made steamed bun) Within 5 hours after the end of the steamed bread meal test
Primary steamed bun meal test result 2 Levels of c-peptide bun meal experiment (100g flour made steamed bun) Within 6 hours after the end of the steamed bread meal test
Primary steamed bun meal test result 3 Levels of insulin under the steamed bun meal experiment (100g flour made steamed bun) Within 7 hours after the end of the steamed bread meal test
Secondary gut hormone Levels of gut hormone under the steamed bun meal experiment (100g flour made steamed bun) up to 1 month
Secondary Continuous glucose monitor results Time to target range (TIR) : the proportion of time with blood glucose fluctuation after using continuous glucose monitor device for 7-14 days
Secondary glycemic control glycosylated hemoglobin(%) at the time of enrollment
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