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A Study of Saxagliptin in Subjects With Type 2 Diabetes Who Have Inadequate Blood Sugar Control With Sulfonylureas

Phase 3
Completed
Conditions
Diabetes
Interventions
Registration Number
NCT00313313
Lead Sponsor
AstraZeneca
Brief Summary

The purpose of this trial is to understand if adding saxagliptin to a sulfonylurea is safe and works better than increasing the amount of sulfonylurea a patient takes

Detailed Description

All subjects will participate in a lead-in period, and qualifying subjects will continue into a short-term randomized treatment period. Subjects who complete the short-term period will be eligible to enter the long term extension period. Also, subjects in the short-term period who have an elevated blood sugar that requires additional medication for blood sugar control (defined as rescue) will be eligible to enter the long-term treatment extension period where they will receive metformin.Rescue treatment with metformin is also available during the long-term extension period for subjects who meet glycemic criteria.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
768
Inclusion Criteria
  • Type 2 Diabetes.
  • Treated with a sulfonylurea for at least 2 months.
  • Inadequate blood sugar control.
  • Are not on any other medications to lower blood sugar.
  • No major heart, liver or kidney problems.
  • Women not pregnant or breast feeding.
Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Saxagliptin 2.5 mg + Glyburide 7.5 mg (A)SaxagliptinMetformin 500-2500 mg (as needed)
Placebo + Glyburide 7.5 mg (C)GlyburideMetformin 500-2500 mg (as needed)
Saxagliptin 2.5 mg + Glyburide 7.5 mg (A)MetforminMetformin 500-2500 mg (as needed)
Saxagliptin 5 mg + Glyburide 7.5 mg (B)GlyburideMetformin 500-2500 mg (as needed)
Saxagliptin 5 mg + Glyburide 7.5 mg (B)MetforminMetformin 500-2500 mg (as needed)
Saxagliptin 2.5 mg + Glyburide 7.5 mg (A)GlyburideMetformin 500-2500 mg (as needed)
Saxagliptin 5 mg + Glyburide 7.5 mg (B)SaxagliptinMetformin 500-2500 mg (as needed)
Placebo + Glyburide 7.5 mg (C)PlaceboMetformin 500-2500 mg (as needed)
Placebo + Glyburide 7.5 mg (C)MetforminMetformin 500-2500 mg (as needed)
Primary Outcome Measures
NameTimeMethod
Change From Baseline in Hemoglobin A1c (A1C) at Week 24Baseline, Week 24

Mean change from baseline in A1C at Week 24, adjusted for baseline value.

Secondary Outcome Measures
NameTimeMethod
Change From Baseline in Fasting Plasma Glucose (FPG) at Week 24Baseline, Week 24

Mean change from baseline in FPG at Week 24, adjusted for baseline value.

Percentage of Participants Achieving A1C < 7% at Week 24Week 24

Percentage of participants achieving A1C \< 7%, the American Diabetes Association's defined goal for glycemia, at each dose of saxagliptin plus glyburide versus placebo plus upward titrated glyburide at Week 24.

Changes From Baseline in Postprandial Glucose (PPG) Area Under the Curve (AUC) Response to an Oral Glucose Tolerance Test (OGTT) at Week 24Baseline, Week 24

Mean change from baseline for 0 to 180 minutes PPG AUC at Week 24, adjusted for baseline values.

Trial Locations

Locations (55)

Stewart Medical Group

🇺🇸

Alhambra, California, United States

Valley Research

🇺🇸

Fresno, California, United States

Randall Shue, D.O.

🇺🇸

Los Angeles, California, United States

Banksville Medical Pc

🇺🇸

Pittsburgh, Pennsylvania, United States

University Of Miami Diabetes Research Inst.

🇺🇸

Miami, Florida, United States

Texas Center For Drug Development, P.A.

🇺🇸

Houston, Texas, United States

Diabetes & Glandular Disease Research Assoc, Pa

🇺🇸

San Antonio, Texas, United States

Reserach Solutions, Llc

🇺🇸

Jonesboro, Arkansas, United States

Searcy Medical Center

🇺🇸

Searcy, Arkansas, United States

Southland Clinical Research Center, Inc.

🇺🇸

Fountain Valley, California, United States

Clinical Trials Research

🇺🇸

Roseville, California, United States

Christiana Care Research Institute

🇺🇸

Newark, Delaware, United States

New West Physicians

🇺🇸

Golden, Colorado, United States

Family Care Assoc & Emerald Care Res Grp

🇺🇸

Chipley, Florida, United States

Phoenix Internal Medicine Associates, Llc

🇺🇸

Waterbury, Connecticut, United States

Central Florida Clinical Trials

🇺🇸

Altamonte Springs, Florida, United States

Atlanta Pharmaceutical Research Center, Inc

🇺🇸

Dunwoody, Georgia, United States

Albert J Weisbrot,Md&Assoc Inc

🇺🇸

Mason, Ohio, United States

Coordinators Plus, Llc

🇺🇸

Eugene, Oregon, United States

Dr Bahagwan Dass Md

🇺🇸

Youngstown, Ohio, United States

Guthrie Clinic, Ltd

🇺🇸

Sayre, Pennsylvania, United States

Spartanburg Medical Research

🇺🇸

Spartanburg, South Carolina, United States

S.A.M. Clinical Research Center

🇺🇸

San Antonio, Texas, United States

Southeastern Research Assoc

🇺🇸

Taylors, South Carolina, United States

Capital Medical Clinic, Llp

🇺🇸

Austin, Texas, United States

Breath Of Life Research Institute

🇺🇸

Katy, Texas, United States

Tidewater Integrated Medical Research

🇺🇸

Virginia Beach, Virginia, United States

Local Institution

🇨🇳

Taipei, Taiwan

Office Of Dr. Gray

🇺🇸

Spokane, Washington, United States

Advanced Healthcare S.C.

🇺🇸

Milwaukee, Wisconsin, United States

Nevada Alliance Against Diabetes

🇺🇸

North Las Vegas, Nevada, United States

Oklahoma Cardiovascular And Hypertension Center

🇺🇸

Oklahoma City, Oklahoma, United States

Fpa Clinical Research

🇺🇸

Kissimmee, Florida, United States

Cny Family Care

🇺🇸

East Syracuse, New York, United States

Clinical Therapeutics Corporation

🇺🇸

Coral Gables, Florida, United States

Emerald Coast Research Group

🇺🇸

Marianna, Florida, United States

Family Medical Center Of Hart Co.

🇺🇸

Munfordville, Kentucky, United States

Mountain Top Clinical Research Center

🇺🇸

Sparta, North Carolina, United States

Cedar-Crosse Research Ctr

🇺🇸

Chicago, Illinois, United States

Va Medical Center

🇺🇸

Kansas City, Missouri, United States

Physicians Research Center

🇺🇸

Toms River, New Jersey, United States

Diabetes & Endocrinology Consultants, Pc

🇺🇸

Morehead City, North Carolina, United States

Regional Physicians Research

🇺🇸

High Point, North Carolina, United States

Columbia Medical Practice

🇺🇸

Columbia, Maryland, United States

St. Louis Center For Clinical Research

🇺🇸

St. Louis, Missouri, United States

Daystar Clinical Research, Inc.

🇺🇸

Akron, Ohio, United States

Med Res Assoc Charlotte

🇺🇸

Charlotte, North Carolina, United States

Utica Park Clinic

🇺🇸

Tulsa, Oklahoma, United States

Integris Family Care Yukon

🇺🇸

Yukon, Oklahoma, United States

Upstate Pharmaceutical Research

🇺🇸

Simsonville, South Carolina, United States

Oregon Clinical Research

🇺🇸

Portland, Oregon, United States

Pearl Clinical Research

🇺🇸

Norristown, Pennsylvania, United States

Community Health Care

🇺🇸

Canal Fulton, Ohio, United States

Triphase Research, Ltd.

🇺🇸

Franklin, Ohio, United States

Metrolina Internal Medicine

🇺🇸

Charlotte, North Carolina, United States

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