NCT00123643

Brief Summary

The purpose of this study is to compare the vascular effects of two commonly used diabetes medications, rosiglitazone and glyburide in type 2 diabetic patients.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
36

participants targeted

Target at below P25 for phase_4 type-2-diabetes-mellitus

Timeline
Completed

Started May 2003

Typical duration for phase_4 type-2-diabetes-mellitus

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2003

Completed
2.2 years until next milestone

First Submitted

Initial submission to the registry

July 21, 2005

Completed
4 days until next milestone

First Posted

Study publicly available on registry

July 25, 2005

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2005

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2005

Completed
6.7 years until next milestone

Results Posted

Study results publicly available

August 9, 2012

Completed
Last Updated

July 15, 2013

Status Verified

June 1, 2013

Enrollment Period

2.6 years

First QC Date

July 21, 2005

Results QC Date

July 2, 2012

Last Update Submit

June 26, 2013

Conditions

Keywords

thiazolidinedionesulfonylureaendothelial function

Outcome Measures

Primary Outcomes (1)

  • Flow Mediated Dilation

    Measure of endothelial function

    change from baseline to 6 months

Study Arms (2)

Rosiglitazone

EXPERIMENTAL
Drug: rosiglitazone

Glyburide

ACTIVE COMPARATOR
Drug: glyburide

Interventions

Rosiglitazone
Glyburide

Eligibility Criteria

Age25 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age 25-75 years
  • Type 2 diabetes mellitus for less than or equal to 10 years
  • Pre-screening HbA1c \> 6.5 %
  • Screening 110 mg/dl \< fasting plasma glucose \< 240 mg/dl after 2 weeks of metformin 500 mg twice daily (b.i.d.)

You may not qualify if:

  • Thiazolidinedione or sulfonylurea use in previous 30 days (may undergo washout period of 30 days)
  • Known contraindications to use of thiazolidinedione or sulfonylurea
  • Female patients must be postmenopausal, surgically sterile, or using adequate contraception
  • Uncontrolled hyperlipidemia according to American Heart Association (AHA) guidelines
  • Subcutaneous insulin use
  • Elevated liver enzymes (2.5 times the upper limit of the reference range)
  • Serum creatinine \>160 mmol/l
  • Anemia (Hb \<11 g/dl for men or \<10 g/dl for women)
  • Body mass index (BMI) \<22 or \>42 kg/m2
  • History of ketoacidosis
  • Angina/New York Health Academy class III/IV cardiac insufficiency
  • Electrocardiographic evidence of marked left ventricular hypertrophy
  • Uncontrolled hypertension according to AHA guidelines
  • Hemoglobinopathy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

St. Paul Heart Clinic

Saint Paul, Minnesota, 55102, United States

Location

MeSH Terms

Conditions

Diabetes Mellitus, Type 2

Interventions

RosiglitazoneGlyburide

Condition Hierarchy (Ancestors)

Diabetes MellitusGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System Diseases

Intervention Hierarchy (Ancestors)

ThiazolidinedionesThiazolesSulfur CompoundsOrganic ChemicalsAzolesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsSulfonylurea CompoundsUreaAmidesSulfones

Limitations and Caveats

Small sample size; unbalanced sex distribution between groups

Results Point of Contact

Title
Aaron S. Kelly, Ph.D.
Organization
University of Minnesota

Study Officials

  • Alan J Bank, M.D.

    St. Paul Heart Clinic

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

July 21, 2005

First Posted

July 25, 2005

Study Start

May 1, 2003

Primary Completion

December 1, 2005

Study Completion

December 1, 2005

Last Updated

July 15, 2013

Results First Posted

August 9, 2012

Record last verified: 2013-06

Locations