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ClinicalTrials.gov record
Completed Phase 3 Interventional

Extension Study for 2993-112

ClinicalTrials.gov ID: NCT01789957

Public ClinicalTrials.gov record NCT01789957. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 5, 2026, 7:04 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Open-Label Extension Study of Protocol 2993-112 to Examine the Long-Term Effect on Glucose Control (HbA1c) and Safety and Tolerability of AC2993 Given Two Times a Day to Subjects Treated With Metformin Alone

Study identification

NCT ID
NCT01789957
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
AstraZeneca
Industry
Enrollment
225 participants

Conditions and interventions

Interventions

  • AC2993 Drug

Drug

Eligibility (public fields only)

Age range
16 Years to 75 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 31, 2002
Primary completion
May 31, 2004
Completion
May 31, 2004
Last update posted
Feb 23, 2015

2002 – 2004

United States locations

U.S. sites
219
U.S. states
45
U.S. cities
165
Facility City State ZIP Site status
Pinnacle Research Group Anniston Alabama 36207
Parkway Medical Center Birmingham Alabama 35206
Alabama Clinical Therapeutics Birmingham Alabama 35235
Eclectic Family Care Eclectic Alabama 36024
Winston Physician Services Haleyville Alabama 35565
Simon Williamson Clinic Hueytown Alabama 35023
Extended Arm Physicians/ Southern Drug Montgomery Alabama 36106
Southern Drug Research Network Tallassee Alabama 36078
Mesa Center for Clinical Research Chandler Arizona 85224
Clinic of Physicians and Surgeons, Ltd. Mesa Arizona 85201
ANA Ventures, LLC Mesa Arizona 85204
Lovelace Scientific Resources Phoenix Arizona 85016
Physicians at the Peak Phoenix Arizona 85020
Advanced Clinical Therapeutics Tucson Arizona 85712
First Care Family Doctors Fayetteville Arkansas 72701
CAVHS Little Rock Arkansas 72205
Physicians Group Research Clinic, LLC Little Rock Arkansas 72205
Advanced Clinical Research Institute Anaheim California 92801
Endocrine Metabolic Medical Center Atherton California 94027
Mitchell Research Group, Inc. Bakersfield California 93309
William Zigrang, M.D. Burlingame California 94010
International Clinical Research Network Chula Vista California 91910
Arrowhead Regional Medical Center Colton California 92324
East Bay Clinical Trial Center Concord California 94520
Medical Group of Encino Encino California 91436
Mowry Clinical Research Fremont California 94538
SARC Research Center Fresno California 93720-2955
Valley Research Fresno California 93720
Irvine Clinical Research Center Irvine California 92618
Whittier Institute for Diabetes La Jolla California 92037
Harriman Jones Medical Group Long Beach California 90806
Richard Cherlin, M.D. Los Gatos California 95032
Tushar Modi, M.D. Modesto California 95350
Dr. Martinez Medical Clinic Moreno Valley California 92553
Arroyo Seco Medical Group Pasadena California 91105
Elke Jost-Vu, M.D. Rancho Mirage California 92270
Comprehensive Diabetes-Endocrine Medical Associates Redwood City California 94062
nTouch San Diego California 92103
Radiant Research San Diego California 92108
San Diego Endocrine and Medical Clinic San Diego California 92108
Veterans Medical Research Foundation San Diego California 92161
Diabetes Research Institute of Mills Peninsula San Mateo California 94401
Advanced Clinical Research Institute Santa Ana California 92701
Pacific Clinical Research Santa Monica California 90404
West Coast Clinical Trials Signal Hill California 90755
Protocare Trials at Sharp Mission Park Vista California 92083
Diablo Clinical Research Walnut Creek California 94598
University of Colorado-Barbara Davis Center for Childhood Diabetes Denver Colorado 80262
Pheonix International Medicine Associates Waterbury Connecticut 06708
Health Core at Health Care Center Christiana Newark Delaware 19713
Medstar Clinical Research Washington D.C. District of Columbia 20003-4393
George Washington University Washington D.C. District of Columbia 20037
Morton Plant Mease Health Care Clearwater Florida 33756
Clinical Research of West Florida, Inc. Clearwater Florida 33765
Atlantic Institute of Clinical Research Daytona Beach Florida 32114
Halifax Clinical Research Institute Daytona Beach Florida 32114
Internal Medical Associates Fort Myers Florida 33901
Clin Sci International Gainesville Florida 32605
University of FL Gainesville Florida 32610-0226
South Florida Clinical Research Center Hollywood Florida 33023
Health Trials 3000 Jacksonville Florida 32250
Jupiter Research Institute Jupiter Florida 33458
ICSL Clinical Studies Maitland Florida 32751
Baptist Diabetes Associates Miami Florida 33176
Suncoast Clinical Research New Port Richey Florida 34652
VRG Research Orlando Florida 32801
Highland Lakes Medical Center Palm Harbor Florida 34684
Tallahassee Endocrine Associates Tallahassee Florida 32308
Biostator / USF Diabetes Center Tampa Florida 33612
Tampa Medical Group Tampa Florida 33614
Diabetes and Endocrine Associates of the Treasure Co Vero Beach Florida 32967
Metabolic Research Institute, Inc. West Palm Beach Florida 33401
Radiant Research West Palm Beach Florida 33407
ICSL-Clinical Studies Atlanta Georgia 30328
Clinical Research Atlanta Atlanta Georgia 30342
Columbus Metabolic Foundation Columbus Georgia 31901
nTouch Research Corporation Decatur Georgia 30033
East-West Medical Research Institute Honolulu Hawaii 96813
Radiant Research Honolulu Hawaii 96814
St. Luke's Family Health Meridian Idaho 83642
University Primary Care Center at Belvidere Belvidere Illinois 61008
Northwestern Memorail Physicians Group Chicago Illinois 60602
Illinois Center for Clinical Trials Chicago Illinois 60610
Cook County Hospital Chicago Illinois 60612
Lake Forest Internal Medicine Libertyville Illinois 60048
Winchester Research Group Libertyville Illinois 60048
Springfield Clinic Springfield Illinois 62703
Springfield Diabetes and Endocrinology Springfield Illinois 62704
Medical Group of Fort Wayne Fort Wayne Indiana 46804
Indiana University Outpatient Clinical Research Indianapolis Indiana 46202
American Health Network Indianapolis Indiana 46222
Center for Metabolic and Hormonal Disorders Indianapolis Indiana 46260
nTouch Research Corporation South Bend Indiana 46601
Ramona Holiday Diabetes Center Des Moines Iowa 50314
Diabetes Clinical Research and Programs Iowa City Iowa 52242-1009
Lipid, Atherosclerosis & Metabolic Clinic Kansas City Kansas 66160
Kentucky Diabetes Center Lexington Kentucky 40503
Central Kentucky Research Associates Lexington Kentucky 40509
University of Kentucky Metabolic Research Group Lexington Kentucky 40536-9841
MedResearch, Inc. Louisville Kentucky 40223
Drug Research Services Metairie Louisiana 70001
New Orleans Institute of Clinical Investigation New Orleans Louisiana 70112
New Orleans Center for Clinical Research New Orleans Louisiana 70119
Ochsner Clinic New Orleans Louisiana 70121
Diabetes, Endocrine and Nutrition Center Bangor Maine 04401
VA Medical Center Baltimore Maryland 21201
St. Agnes Health Care Baltimore Maryland 21229
Doctors Research Associates of Maryland Lanham Maryland 20706
University of Michigan-Endocrinology and Metabolism Ann Arbor Michigan 48109
Grunberger Diabetes Medical Center Bloomfield Hills Michigan 48302
Henry Ford Health System Detroit Michigan 48202
Grand Rapids Associated Interns Grand Rapids Michigan 49506
Westside Family Medical Center Kalamazoo Michigan 49009
Mayo Clinic, Division of Endocrinology and Metabolism Rochester Minnesota 55905
University of Mississippi Medical Center Jackson Mississippi 39216
Diabetes and Endocrinology Specialists Chesterfield Missouri 63017
Midwest Pharmaceutical Research City of Saint Peters Missouri 63376
Medical Arts Research Collaborative Excelsior Springs Missouri 64024
St Lukes Lipid and Diabetes Research Center Kansas City Missouri 64111
Mid Missouri Research Specialists, Inc. Rolla Missouri 65401
St. Louis Center for Clinical Research St Louis Missouri 63128
Radiant Research St Louis Missouri 63141
Mercury Street Medical Butte Montana 59701
Creighton Diabetes Center Omaha Nebraska 68131
Lovelace Scientific Resources Las Vegas Nevada 89102
ICSL Las Vegas Nevada 89106
Endocrinology and Diabetes Consultants, P.C. Dover New Hampshire 03820
HIS Clinical Research Jersey City New Jersey 07306
Radiant Research Moorestown New Jersey 08057
Matrix Research Institute Mount Laurel New Jersey 08054
New Jersey Physicians Passaic New Jersey 07055
Anderson and Collins Clinical Research, Inc. South Plainfield New Jersey 07080
Lovelace Scientific Resources Albuquerque New Mexico 87108
SUNY Downstate Brooklyn New York 11203
Medical Network Services, P.C. Brooklyn New York 11230
Winthrop University Hospital Mineola New York 11501
St. Lukes Roosevelt Hospital New York New York 10025
Irving Diabetes Research Unit at Columbia University New York New York 10032
Naomi Berrie Diabetes Center at Columbia University New York New York 10032
Heights Medical Care New York New York 10033
Rochester Clinical Research Rochester New York 14609
Albert Einstein College of Medicine of Yeshiva University The Bronx New York 10467
DOCS at Beth Israel Medical Center Yonkers New York 10710
Metrolina Medical Research Charlotte North Carolina 28209
Charlotte Clinical Research Charlotte North Carolina 28211
UNC Diabetes Care Center Durham North Carolina 27713
Unifour Medical Research Hickory North Carolina 28601
New Hanover Medical Research Associates Wilmington North Carolina 28412
Piedmont Medical Research Winston-Salem North Carolina 27103
Rapid Medical Research Cleveland Ohio 44124
Ohio State University-Division of Endocrinology Columbus Ohio 43210
Radiant Research Columbus Ohio 43212
University Mednet Mentor Ohio 44060
Comprehensive Research Services, Inc. Mogadore Ohio 44260
North Coast Institute of Diabetes and Endocrinology Westlake Ohio 44145
Prime Care Clinical Research Clinton Oklahoma 73601
COR Clinical Research Oklahoma City Oklahoma 73103
OU Health Sciences Center Oklahoma City Oklahoma 73104
nTouch Research Corporation Oklahoma City Oklahoma 73112
Utica Park Clinic Tulsa Oklahoma 74104
Americas Doctors Medford Oregon 97504
Medford Medical Clinic Medford Oregon 97504
Radiant Research Portland Oregon 97201
Portland Diabetes and Endocrinology Center Portland Oregon 97210
Pacific Coast Clinical Coordinators, Inc. Portland Oregon 97214
Legacy Clinical Research Portland Oregon 97232
Physicians for Clinical Research Camp Hill Pennsylvania 17011
Argus Research Laboratories Horsham Pennsylvania 19044-12297
Thomas Jefferson University Diabetes Research Center Philadelphia Pennsylvania 19107
Albert Einstein Medical Center Philadelphia Pennsylvania 19141
Philadelphia Health Associates Philadelphia Pennsylvania 19146
Elite Medical Research, Inc. Sellersville Pennsylvania 18960
Tipton Medical and Diagnostic Center Tipton Pennsylvania 16684
Safe Harbor Clinical Research East Providence Rhode Island 02914
ICSL-Providence East Providence Rhode Island 02915
Radiant Research Charleston South Carolina 29407
CNS Clinical Trials Chester South Carolina 29706
Coastal Carolina Research Center Mt. Pleasant South Carolina 29464
Tennessee Valley Clinical Research Associates Alcoa Tennessee 37701
Integrity Clinical Research Jackson Tennessee 38305
Harmony Clinical Research Johnson City Tennessee 37601
Holston Medical Group Kingsport Tennessee 37660
Endocrine Consultants of ET Knoxville Tennessee 37909
The Endocrine Clinic Memphis Tennessee 38119
Integrity Clinical Research Milan Tennessee 38358
Mid State Endocrine Associates Nashville Tennessee 37203
Israel A. Hartman, M.D. Arlington Texas 76014
Central Texas Clinical Research Austin Texas 78705
Dallas Diabetes and Endocrinology Research Center Dallas Texas 75230
Rafael Canadas M.D., P.A. Dallas Texas 75251
Texas Tech University Health Sciences-Internal Medicine El Paso Texas 79905
Internal Medicine Associates El Paso Texas 79912
Lanier Education Research Network Fort Worth Texas 76107
North Texas Clinical Research Irving Texas 75038
Dr. Humberto Bruschetta Kingsville Texas 78363
R/D Clinical Research, Inc. Lake Jackson Texas 77566
South Texas Applied Research McAllen Texas 78503
Sun Research Institute San Antonio Texas 78205
University of Texas Health Sciences Center-Texas Diabetes Institute San Antonio Texas 78207
Diabetes and Glandular Disease Clinic San Antonio Texas 78229-3894
SAM Clinical Research San Antonio Texas 78229
Utah Diabetes Center at the University of Utah Salt Lake City Utah 84108
Salt Lake Research Salt Lake City Utah 84124
Medical Associates of Northern Virginia Arlington Virginia 22204
Clinical Research Center-Eastern Virginia Medical School Norfolk Virginia 23507
Drs. Wigand, Wasserman, and Associates Richmond Virginia 23225
Evergreen Diabetes & Endocrinology Kirkland Washington 98034
Olympic Medical Services Lacey Washington 98516
West Olympia Internal Medicine Olympia Washington 98502
Rainier Clinical Research Center Renton Washington 98055
Northside Internal Medicine Spokane Washington 99201
Rockwood Clinic Spokane Washington 99202
Julia M. Hutchinson, M.D. Spokane Washington 99204
Wenatchee Valley Clinic Wenatchee Washington 98801
Hyperion Clinical Research Charleston West Virginia 25301
CAMC Clinical Trials Center Charleston West Virginia 25304
University of Wisconsin West Clinic Madison Wisconsin 53711
Midwest Endocrinology Associates Milwaukee Wisconsin 53215
VRG Research Milwaukee Wisconsin 53226

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 7 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01789957, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 23, 2015 · Synced May 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01789957 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →