Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 6, 2026, 3:48 AM EDT

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Showing 49–71 of 71 matching trials from the live ClinicalTrials.gov search.
Conditions
Obesity
Interventions
Metformin, VI-0521, Sitagliptan, Probenecid
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
19 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Type 2 Diabetes Mellitus
Interventions
exenatide, sitagliptin, placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 70 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Diabetes
Interventions
Placebo, TAK-875
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
82
States / cities
Birmingham, Alabama • Dothan, Alabama • Muscle Shoals, Alabama + 78 more
Conditions
Diabetes, Diabetes Mellitus, Type 2
Interventions
semaglutide, sitagliptin, placebo
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
1,864 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
93
States / cities
Anniston, Alabama • Birmingham, Alabama • Tuscumbia, Alabama + 81 more
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Dipeptidyl Peptidase-4 Inhibition on Glucagon-like Peptide-1 (GLP-1)

NCT00947011
Conditions
Glucose Homeostasis
Interventions
Placebo, Januvia
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Type 2 Diabetes Mellitus
Interventions
exenatide, sitagliptin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 70 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
19
States / cities
Los Angeles, California • Spring Valley, California • Miami, Florida + 15 more
Completed Phase 3 Interventional Results available

Dapagliflozin DPPIV Inhibitor add-on Study

NCT00984867
Conditions
Type 2 Diabetes
Interventions
Dapagliflozin, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
833 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
45
States / cities
Huntsville, Alabama • Ozark, Alabama • Anaheim, California + 42 more
Conditions
Type 2 Diabetes Mellitus
Interventions
Sitagliptin 100 mg, DS-8500a 25mg, Placebo Tablet, Placebo Capsule
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years to 70 Years
Enrollment
298 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
48
States / cities
Birmingham, Alabama • Litchfield Park, Arizona • Tempe, Arizona + 41 more
Conditions
Diabetes Mellitus, Type 2
Interventions
Canagliflozin, 100 mg, Canagliflozin, 300 mg, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
30
States / cities
Montgomery, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 27 more
Conditions
Type 2 Diabetes (Adult Onset)
Interventions
Tirzepatide, Pioglitazone, Sitagliptin, Metformin HCI XR
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 75 Years
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
San Antonio, Texas
Conditions
Type 2 Diabetes
Interventions
Saxagliptin, Dapagliflozin, Sitagliptin, Placebo matching with Saxagliptin, Placebo matching with Dapagliflozin, Placebo matching with Sitagliptin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 120 Years
Enrollment
461 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
40
States / cities
Mesa, Arizona • Phoenix, Arizona • Little Rock, Arkansas + 34 more
Conditions
Diabetes Mellitus, Type 2
Interventions
TTP399 400 mg, TTP399 800 mg, Sitagliptin 100 mg, Placebo
Drug
Lead sponsor
vTv Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
20
States / cities
Mesa, Arizona • Tuscon, Arizona • Canoga Park, California + 16 more
Conditions
Diabetes Mellitus, Type 2
Interventions
Insulin Glargine, Sitagliptin, Metformin
Drug
Lead sponsor
Sanofi
Industry
Eligibility
35 Years to 70 Years
Enrollment
515 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Bridgewater, New Jersey
Conditions
Diabetes, Type 2
Interventions
Placebo, 150 mg PF-04991532, 450 mg PF-04991532, 750 mg PF-04991532, Sitagliptin 100 mg
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
28
States / cities
Jonesboro, Arkansas • Los Angeles, California • Palm Springs, California + 21 more
Conditions
Type 2 Diabetes, Cardiovascular Disease
Interventions
Sitagliptin, Glimepiride, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
22 Years to 70 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Aurora, Colorado
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Ketosis-Prone Diabetes Mellitus (KPDM): Metformin Versus Sitagliptin Treatment

NCT01099618
Conditions
Ketosis Prone Diabetes, Diabetes Ketoacidosis, Hyperglycemia
Interventions
metformin, placebo, Sitagliptin
Drug
Lead sponsor
Dawn Smiley MD
Other
Eligibility
19 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Diabetes Mellitus, Type 2
Interventions
LY2189265, Sitagliptin
Biological · Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
3
States / cities
Daytona Beach, Florida • Honolulu, Hawaii • Dallas, Texas
Conditions
Diabetes Mellitus, Type 2
Interventions
Insulin Glargine, Sitagliptin, Metformin
Drug
Lead sponsor
Sanofi
Industry
Eligibility
35 Years to 71 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Bridgewater, New Jersey
Conditions
Diabetes Mellitus, Type 2
Interventions
LY2409021, Sitagliptin, Placebo, Metformin, Sulfonylurea
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 79 Years
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
26
States / cities
Concord, California • Fresno, California • Los Angeles, California + 19 more
Conditions
Diabetes Mellitus, Type 2
Interventions
LY2189265, Sitagliptin, Placebo solution, Placebo tablet, Metformin
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 75 Years
Enrollment
1,202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
35
States / cities
Peoria, Arizona • Phoenix, Arizona • Tucson, Arizona + 32 more
Conditions
Diabetes Mellitus, Type 2
Interventions
Glimepiride, Metformin, Pioglitazone, Acarbose, Linagliptin, Sitagliptin, Liraglutide, Insulin Glargine, Exenatide once weekly (QW), Exenatide twice daily (BID)
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
65 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
16
States / cities
Miami, Florida • New Port Richey, Florida • Orlando, Florida + 12 more
Conditions
Coronary Artery Disease
Interventions
Sitagliptin, Placebo, Regular Human Insulin, Insulin glargine, Supplemental insulin (Insulin lispro), Supplemental insulin (Insulin aspart)
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 80 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
4
States / cities
Atlanta, Georgia
Conditions
Cushing's Disease, Acromegaly
Interventions
Pasireotide s.c., Sitagliptin, Liraglutide, Insulin, Pasireotide LAR, Metformin
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
15
States / cities
Multiple Locations, California • Torrance, California • Ventura, California + 10 more