1,5 Anhydroglucitol and 1,5 Anhydroglucitol / Glycated Hemoglobin Ratio as a Potential Biomarker for Islet β-cell Function and Insulin Resistance Among Patients With Type 2 Diabetes Mellitus

NCT04869605 | Unknown

• 1 other identifier: N-26-2021
• Study Type: observational
• Target: 90
• Locations: 1 country
• Sites: 1

Brief Summary

Hyperglycemia is a major risk factor for the micro- and macro-vascular complications of diabetes . Lowering blood glucose levels has been shown to reduce the incidence of diabetes complications. Therefore, there is a need for a simple surrogate biochemical marker for glycemic variability. Glycated hemoglobin (HbA1c) is the standard clinical measurement used to monitor glycemic status and is recommended to assess control of diabetes over the preceding 2-3 months. However, being a measure of mean glucose, it does not reflect glucose variability. It is well known that insulin secretion defects of islet β cells and/or tissue insensitivity to insulin are common pathophysiological mechanisms of diabetes mellitus (DM) . The elevation in the blood glucose level usually represents the degree of glucose metabolism disorder, which is generally assessed by glycated hemoglobin A1c ( HbA1c) and indirectly reflects the extent of β-cell function damage . In the recent years, 1,5-anhydroglucitol (1,5-AG) has received attention as a short-term blood glucose index that reflects the average blood glucose level 1,5 AG reflects the average maximum blood glucose level during the past 1-2 weeks and is reported to be a more sensitive marker of glucose variability and postprandial hyperglycemia than HbA1c, even for patients with prediabetes and for those with well or moderately controlled diabetes . (1,5 AG ) is structurally similar to glucose . Due to this similarity, glucose inhibits renal reabsorption of 1,5 AG by competitive inhibition ,resulting in an inverse correlation of 1,5 AG with hyperglycemia . 1,5-AG levels are acting as an effective supplement to HbA1c. Additionally, previous study showed that 1,5-AG and HbA1c had opposite curves with increasing blood glucose levels; specifically, with the increase in HbA1c levels, 1,5-AG levels decreased significantly . Therefore, we speculate a ratio of 1,5- AG / HB A1C in relation to islet β-cell function and insulin resistance. The aim of our study was to evaluate the role of 1,5 anhydroglucitol and 1,5 anhydroglucitol / HbA1c ratio as a potential biomarker for islet β-cell function and insulin resistance among patients with type 2 diabetes .

Conditions

Diabetes Mellitus

Outcome Measures

Primary Outcomes (1)

• the role of 1,5 anhydroglucitol and 1,5 anhydroglucitol / HbA1c ratio as a potential biomarker for islet β-cell function and insulin resistance among patients with type 2 diabetes

  1,5 anhydroglucitol serum level, V level and 1,5 anhydroglucitol / HbA1c ratio

  6 months

Interventions

1,5 Anhydroglucitol and 1,5 Anhydroglucitol / Glycated Hemoglobin ratio DIAGNOSTIC_TEST

the role of 1,5 anhydroglucitol and 1,5 anhydroglucitol / HbA1c ratio as a potential biomarker for islet β-cell function and insulin resistance among patients with type 2 diabetes

Eligibility Criteria

• Age: 20 Years - 70 Years
• Sex: all
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Probability Sample

Study Population

A case control study including 90 subjects aged 20 to 70 years, 45 healthy subjects as a control group and 45 patients with type 2 DM .Patients will be collected from the endocrinology outpatient clinic, Kasr El Ainy, Cairo University. Patients will be divided into 2 groups, (group I) 45 patients with type 2 DM and (group II) 45 non DM as control group.

You may qualify if:

• Men and women aged 20 to 70 years old with controlled and uncontrolled type 2 DM.

You may not qualify if:

• : type 1 DM,
• thyroid dysfunction,
• chronic kidney disease,
• chronic liver disease,
• cancer patients,
• cystic fibrosis,
• acute and chronic infection and
• pregnancy

Sponsors & Collaborators

• Cairo University: lead

Study Sites (1)

Cairo University

Cairo, Manial, 11521, Egypt

RECRUITING

Related Publications (1)

• -Janssen J, van den Berg E, Zinman B , Espeland MA , Geijselaers S LC et al., (2019) . HbA(1c), insulin resistance, and β-cell function in relation to cognitive function in type 2 diabetes: the CAROLINA Cognition Substudy. Diabetes Care 42(1):e1-e3. -Kanat M, Winnier D, Norton L, Arar N, Jenkinson C, Defronzo RA et al ., (2011) . The relationship between {beta}-cell function and glycated hemoglobin: results from the veterans administration genetic epidemiology study. Diabetes Care. 2011 Apr;34(4):1006-10. -Kim MJ, Jung HS, Hwang-Bo Y, Cho SW, Jang HC, Kim SY et al ., (2013) . Evaluation of 1,5-anhydroglucitol as a marker for glycemic variability in patients with type 2 diabetes mellitus. Acta Diabetol. 2013;50:505-10.

  BACKGROUND

MeSH Terms

Conditions

Diabetes Mellitus

Condition Hierarchy (Ancestors)

Glucose Metabolism Disorders; Metabolic Diseases; Nutritional and Metabolic Diseases; Endocrine System Diseases

Central Study Contacts

Nehal H Elsaid

CONTACT

01004389020; nihalhamdyelsaid@yahoo.com

Study Design

• Study Type: observational
• Observational Model: CASE CONTROL
• Time Perspective: PROSPECTIVE
• Target Duration: 6 Months
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Lecturer of internal medicine

Study Record Dates

• First Submitted: April 28, 2021
• First Posted: May 3, 2021
• Study Start: May 6, 2021
• Primary Completion: July 1, 2022
• Study Completion: October 1, 2022
• Last Updated: March 24, 2022

Record last verified: 2022-03

Data Sharing

• IPD Sharing: Will not share

Locations

EG (1)