Efficacy and Safety Study of Rosiglitazone/Metformin Therapy vs Rosiglitazone and Metformin in Type 2 Diabetes Subjects

This study has been completed.
Information provided by (Responsible Party):
ClinicalTrials.gov Identifier:
First received: July 9, 2007
Last updated: April 14, 2015
Last verified: May 2013
The purpose of this 32 week study is to demonstrate that fixed-dose combination treatment with rosiglitazone/metformin will safely and effectively control glycemia as first line oral therapy in subjects type 2 diabetes. The primary objective of the study is to demonstrate superiority of rosiglitazone/metformin compared to its rosiglitazone and metformin.

Condition Intervention Phase
Diabetes Mellitus, Type 2
Drug: rosiglitazone maleate/metformin hydrochloride
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double-Blind
Primary Purpose: Treatment
Official Title: A Randomized, Double-blind Trial to Evaluate the Efficacy and Safety of Fixed Dose Rosiglitazone/Metformin Combination Therapy Compared to Both Rosiglitazone and Metformin Monotherapies in Drug Naive Type 2 Diabetes Mellitus Subjects

Resource links provided by NLM:

Further study details as provided by GlaxoSmithKline:

Primary Outcome Measures:
  • Change from baseline in hemoglobin A1c (HbA1c) at week 32.

Secondary Outcome Measures:
  • Key Secondary Measures: Change in FPG HbA1c and FPG responders Change in insulin, C-peptide, free fatty acids, lipids, insulin sensitivity and beta cell function Adverse Events Vital Signs Weight 32 weeks

Estimated Enrollment: 453
Study Start Date: October 2003
Study Completion Date: December 2004
Primary Completion Date: December 2004 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years to 70 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • 18 to 70 years of age
  • Clinical diagnosis of type 2 diabetes
  • HbA1c >7.5% to 11%
  • FPG <270mg/dL (15mmol)
  • Current treatment with diet and/or exercise alone, or no more than 15 days of an anti-diabetic medication or insulin within 12 weeks of screening

Exclusion Criteria:

  • Clinically significant renal or hepatic disease
  • Presence of anemia
  • Presence of unstable or severe angina, coronary insufficiency, or any congestive heart failure requiring therapy
  • Systolic blood pressure >170mmHg or diastolic blood pressure >100mmHg, while on anti-hypertensive treatment
  • Chronic disease requiring intermittent or chronic treatment with corticosteroids
  • Any female lactating, pregnant, or planning to become pregnant
  • History of hepatocellular reaction, severe edema or a medically serious fluid related event associated with any thiazolidinedione
  • Presence of acute or chronic metabolic acidosis
  • History of diabetic ketoacidosis
  Contacts and Locations
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Please refer to this study by its ClinicalTrials.gov identifier: NCT00499707

United States, North Carolina
GSK Investigational Site
Charlotte, North Carolina, United States, 28210
United States, Pennsylvania
GSK Investigational Site
Warminster, Pennsylvania, United States, 18974
United States, Texas
GSK Investigational Site
Arlington, Texas, United States, 76017
GSK Investigational Site
Recife, Pernambuco, Brazil, 50100-130
GSK Investigational Site
São Paulo, Brazil, 04020-041
Korea, Republic of
GSK Investigational Site
Pusan, Korea, Republic of, 602-739
GSK Investigational Site
Seoul, Korea, Republic of, 139-872
GSK Investigational Site
Uijeongbu,, Korea, Republic of, 480-821
GSK Investigational Site
Monterrey, Nuevo León, Mexico, 64570
GSK Investigational Site
Mexico, D.F., Mexico, 14050
New Zealand
GSK Investigational Site
Auckland, New Zealand, 1311
GSK Investigational Site
Auckland, New Zealand, 1701
GSK Investigational Site
Christchurch, New Zealand, 8001
GSK Investigational Site
Rotorua, New Zealand, 3201
GSK Investigational Site
Wellington, New Zealand, 6035
Sponsors and Collaborators
Study Director: GSK Clinical Trials GlaxoSmithKline
  More Information

Additional Information:
Chou H., et. al.; Rosiglitazone and metformin fixed-dose combination provides superior glycaemic control compared to metformin and rosiglitazone monotherapies, and was well tolerated in drug-naïve patients with T2DM [poster]; European Association for the Study of Diabetes, 10-15 September 2005, Athens, Greece.

Responsible Party: GlaxoSmithKline
ClinicalTrials.gov Identifier: NCT00499707     History of Changes
Other Study ID Numbers: 712753/007
Study First Received: July 9, 2007
Last Updated: April 14, 2015
Health Authority: Canada: Health Canada
United States: Food and Drug Administration

Keywords provided by GlaxoSmithKline:
type 2 diabetes

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

ClinicalTrials.gov processed this record on November 25, 2015