Insulin Glargine First Line vs Metformin in Type 2 Diabetic Subjects (GLORY)

January 10, 2012 updated by: GWT-TUD GmbH

Comparative Investigation of Efficacy and Safety of Insulin Glargine Versus Metformin as First Line Drug in Treatment of Early Type 2 Diabetes

Comparison of efficacy and safety of glargine insulin and metformin as first line drug of patients insufficiently treated with lifestyle intervention. So far treatment also algorithm with lifestyle and metformin has not been evaluated in patients with type 2 diabetes and HbA1C greater or equal 7 % and lower than 8.1%.Besides HbA1C postprandial glucose excursion and glycemic variability as determinants of oxidative stress will be measured by continuous glucose measurement(CGM). Further more CGM will reveal risk of hypoglycemia at night. As secondary objectives effect on endothelial function, renal function and biomarkers of low great inflammation will be evaluated. So far only scarce information on face to face comparison in ealy diabetes exists.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

96

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Germany
      • Dresden, Germany, 01307
        • GWT -TUD, Center for Clinical Studies

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

35 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • early type 2 diabetes (lower than 5 years known)
  • male and female(35 to 75 years)
  • HbA1c 7 to 8 %, if drug naive and <= 8.5 with previous OAD intake
  • Informed consent

Exclusion Criteria:

  • any treatment more than one OAD at the same time
  • treatment with one OAD < 6 weeks time
  • insulin treatment
  • acute coronary syndrome < 6 months
  • severe liver disease
  • alcohol abuse or drug addiction
  • severe kidney disease
  • acute critical illness with renal impairment
  • i.v. application of iodine
  • ketoacidosis
  • acute or chronic illness witch may lead to hypoxia or cardial failure
  • allergy against one of the drugs
  • deficit in compliance or cooperation
  • pregnancy or breast feeding
  • women in fertile age without accepted contraceptive

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Insulin glargine
Drug: Insulin glargine
Insulin glargine is given subcutaneously with an insulin-pen (SoloStar®). The dose was titrated to reach a fasting plasma glucose value of <5.6 mmol/l. Insulin glargine was given once a day in the evening before going to bed (bed-time injection). The first insulin injection takes place on the evening of visit 1c. The duration of the therapy is 36 weeks until visit 8c. All patients were trained in handling and storage of the insulin-pen.
Active Comparator: Metformin
Drug: Metformin

Metformin is administered as coated tablet. Initial dose is 500 mg twice a day (morning and evening) during or after the meal. The first administration takes place on the evening of visit 1c. The duration of the therapy is 36 weeks until visit 8c.

Initial dose of 500 mg bid was increased after 4 weeks (visit 2) to 850 mg bid when the patient tolerated the initial dose. If the side effects were not tolerable, the initial dose was decreased to 500 mg once a day and where appropriate increased at a later visit.

After 8 weeks (visit 3) metformin dose was increased to 1000 mg bid when tolerated. If dose is not tolerated, it was decreased to the next lower dose.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Area under the curve (AUC) after a testmeal measured CGM.
Time Frame: baseline and visit 8
baseline and visit 8

Secondary Outcome Measures

Outcome Measure
Time Frame
HbA1C, glycemic variability, glycemic load, insulin secretion after testmeal, free fatty acids, biomarkers of low grade inflammation, endothelial dysfunction.
Time Frame: baseline and visit 8
baseline and visit 8

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

GWT-TUD GmbH

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

March 1, 2009

Primary Completion (Actual)

August 1, 2011

Study Completion (Actual)

December 1, 2011

Study Registration Dates

First Submitted

March 6, 2009

First Submitted That Met QC Criteria

March 6, 2009

First Posted (Estimate)

March 9, 2009

Study Record Updates

Last Update Posted (Estimate)

January 11, 2012

Last Update Submitted That Met QC Criteria

January 10, 2012

Last Verified

January 1, 2012

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • GWT-2008-1

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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