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Risk of Hypoglycemia in Type 2 Diabetes

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: August 14, 2008
Last Update Posted: October 26, 2016
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Merck Sharp & Dohme Corp.
Information provided by (Responsible Party):
Thomas Linn, University of Giessen
The aim of this study is to establish the risk and frequency of non-symptomatic hypoglycemia in type 2 diabetes under previous therapy with glibenclamide. Participants will be monitored via a continuous glucose monitoring system in a standardized clinical setting during day and night time, implementing meals and exercise of moderate intensity performed in the postprandial state.

Condition Intervention
Type 2 Diabetes Drug: Glibenclamide

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Risk of Hypoglycemia in Type 2 Diabetes - Effects of Glibenclamide and Exercise on Cardiovascular, Hormonal, and Metabolic Parameters

Resource links provided by NLM:

Further study details as provided by Thomas Linn, University of Giessen:

Primary Outcome Measures:
  • Number of hypoglycemic events [ Time Frame: 3 days ]

Secondary Outcome Measures:
  • Secretion of hormones increasing blood glucose, effect of exercise on hypoglycemic events, postprandial glucose excursions, heart rate and forearm blood flow at hypoglycemia [ Time Frame: 3 days ]

Enrollment: 12
Study Start Date: July 2008
Study Completion Date: October 2016
Primary Completion Date: January 2016 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
Type 2 diabetic patients on glibenclamide at individual dosage up to 7 mg/day for more than one year prone to hypoglycemic events
Drug: Glibenclamide
Taking a single dose of 3.5 mg glibenclamide

Detailed Description:
The day-to-day change of blood glucose is associated with the frequency of vascular complications and the quality of life of diabetic patients. In this study the frequency of hypoglycemic events in combination with postprandial hyperglycemia in type 2 diabetic patients on oral insulinotropic therapy will be observed. Using more sophisticated technology than before the probability of type 2 diabetic patients on glibenclamide to experience hypoglycemic episodes will be registered. Hypoglycemia is prone to cardiovascular complications in type 2 diabetic patients due to concomitant dysregulation of blood flow. With standardized test meals followed by exercise in a clinical setting hormonal counterregulation and cardiovascular parameters associated with hypoglycemia will be identified. The acute effect of different conditions of exercise and a single dose of either glibenclamide or placebo will be followed each day during the total three-day observation period. Thus we will evaluate the frequency of and the risk factors associated with hypoglycemia and meal-related hyperglycemia in type 2 diabetic patients.

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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Type 2 diabetes

Inclusion Criteria:

  • Type 2 diabetes on glibenclamide with or without
  • Glycated hemoglobin ≤ 7.5%
  • Stable dosage for three weeks

Exclusion Criteria:

  • HbA1c > 7.5%
  • Fasting C-peptide below normal
  • Concurrent infectious disease
  • Pregnancy
  • Malignant disease
  • Inability to give informed consent
  Contacts and Locations
No Contacts or Locations Provided
  More Information

Responsible Party: Thomas Linn, Univ.-Prof. Dr. med., University of Giessen
ClinicalTrials.gov Identifier: NCT00734669     History of Changes
Other Study ID Numbers: EC 84/08
First Submitted: August 13, 2008
First Posted: August 14, 2008
Last Update Posted: October 26, 2016
Last Verified: October 2016
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

Keywords provided by Thomas Linn, University of Giessen:

Additional relevant MeSH terms:
Diabetes Mellitus
Diabetes Mellitus, Type 2
Glucose Metabolism Disorders
Metabolic Diseases
Endocrine System Diseases
Hypoglycemic Agents
Physiological Effects of Drugs