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Blood Glucose Self Monitoring and HbA1c Effects on Glucose Control

Phase 4
Completed
Conditions
Type 2 Diabetes
Registration Number
NCT00688363
Lead Sponsor
Deutsche Diabetes Gesellschaft
Brief Summary

The purpose of this randomized, prospective trial is to determine wether (a) a once weekly glucose profile (self monitoring) or (b) a three-monthly report of the actual glycated haemoglobin are effective interventions to improve HbA1c after one year in typ 2-diabetic patients on conventional insulin treatment.

Detailed Description

The design is an open, prospective, randomised, multicentre parallel group study. The total duration will be 5 years with patient recruitment over 4 years and an individual observation period of 1 year. 300 participants from 43 study centres, hospitals and private practices were recruited. The study will run for one year and aims to determine, whether there is an advantage with regard to HbA1c levels when (a) a regular three-monthly HbA1c or (b) a weekly 4-point glucose profile is taken and reported.

After screening, patients will be assigned at random to one of the following study arms:

1. no regular blood-glucose self-monitoring, no regular HbA1c

2. regular blood glucose self monitoring, no regular HbA1c

3. no regular blood glucose self monitoring, regular HbA1c

4. regular blood glucose self monitoring, regular HbA1c

The control for all participants is that urinary glucose should be monitored at least once a day, preferably in the late morning, as the highest increase in plasma glucose level occurs after breakfast.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
300
Inclusion Criteria
  • Type 2-diabetes (ADA/WHO-Criteria)
  • Conventional insulin therapy ( 1-3 daily injections of basal- and/or mixed insulin also in combination with oral agents.)
  • Age:> 40 years
  • BMI:> 20 kg/m²
Exclusion Criteria
  • Impaired liver function, defined as > 2 times upper limit of normal
  • Impaired renal function defined liver enzymes as serum-creatinine > 1.3 mg/dl
  • Gastro-intestinal diseases (disturbances, diagnoses)
  • Inability to perform study-related activities according to the present protocol
  • Pregnancy not certainly excluded
  • Abuse of alcohol and/or other drugs
  • Participation in other clinical trials during the past 3 month
  • Threat to general state of health
  • Intensified insulin therapy (at least 3 times rapid-acting insulin)
  • Frequent blood glucose self monitoring during the past 3 months (more than one 4-point glucose profile per week or more than one blood glucose/ urinary glucose test per day )

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Haemoglobin A1c after one year1 year
Secondary Outcome Measures
NameTimeMethod
a representative blood glucose profile (self monitoring) during the week before the end of the trial1 year
body weight at the end of the trial1 year
serum, triglycerides and cholesterol (total HDL as well as LDL-cholesterol) at the end of the trial1 year
therapy-satisfaction (questionnaire)1 year
changes of the antidiabetic therapy1 year
number of hospitalization as a result of hypoglycaemic episodes1 year
the number of serious hypoglycaemic episodes (hypoglycaemic episodes when the patient needs help from other people)1 year

Trial Locations

Locations (41)

Diabeteszentrum Bad Lauterberg

🇩🇪

Bad Lauterberg, Niedersachsen, Germany

Koch, Peter

🇩🇪

Bad Harzburg, Germany

Maxeiner, Stefan

🇩🇪

Bad Kreuznach, Germany

Friedrichs, Michael

🇩🇪

Bad Lauterberg, Germany

Jödicke, Carmen

🇩🇪

Bad Lauterberg, Germany

Mulch-Wiemer, Christa

🇩🇪

Bad Nauheim, Germany

Bellmann, Renate

🇩🇪

Berlin, Germany

Schoch, Daniela

🇩🇪

Berlin, Germany

Warmers, Ulrike

🇩🇪

Bitburg, Germany

Leupold, Manfred

🇩🇪

Borna, Germany

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Diabeteszentrum Bad Lauterberg
🇩🇪Bad Lauterberg, Niedersachsen, Germany

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