Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 14, 2026, 7:11 PM EDT

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Showing 1–24 of 99 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Obesity
Interventions
Exendin 9-39 and Sitagliptin, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
New York, New York
Completed Phase 4 Interventional Results available

Cardiovascular Effects of GLP-1 Receptor Activation

NCT03101930
Conditions
Obesity, PreDiabetes
Interventions
Liraglutide, Sitagliptin, hypocaloric diet, Placebos, Exendin (9-39)
Drug · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Phase 4 Interventional Results available

Effect of DPP4 Inhibition on Vasoconstriction

NCT02639637
Conditions
Type 2 Diabetes Mellitus
Interventions
Sitagliptin, Placebo, Neuropeptide Y, Enalaprilat, Valsartan 160mg
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Diabetes Mellitus, Type 2, Heart Failure With Preserved Ejection Fraction (HFPEF)
Interventions
Tirzepatide, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
40 Years and older
Enrollment
11,265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Boston, Massachusetts
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
Diabetes Mellitus, Type 2
Interventions
GSK2330672, Placebo, Sitagliptin, Metformin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
30 Years to 64 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
4
States / cities
Chula Vista, California • Miami, Florida • Baltimore, Maryland + 1 more
Conditions
Diabetes
Interventions
Sitagliptin, Metformin, Sitagliptin + Metformin, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Diabetes Mellitus, Type 2
Interventions
JNJ-38431055 Dose 1, Sitagliptin 100 mg, Placebo, JNJ-38431055 Dose 2
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
25 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
2
States / cities
Fort Myers, Florida • San Antonio, Texas
Conditions
Type 2 Diabetes Mellitus
Interventions
Bexagliflozin, Sitagliptin, Placebo for sitagliptin, Placebo for bexagliflozin
Drug
Lead sponsor
Theracos
Industry
Eligibility
18 Years and older
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
10
States / cities
Lincoln, California • Long Beach, California • San Dimas, California + 7 more
Conditions
Healthy Volunteers
Interventions
Placebo, Roflumilast/Sitagliptin, Sitagliptin, Roflumilast
Other
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
21 Years to 55 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Diabetes Mellitus, Type 2
Interventions
BI 10773, Placebo, Sitagliptin 100mg
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
2,705 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
40
States / cities
Birmingham, Alabama • Glendale, Arizona • Mesa, Arizona + 36 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
Conditions
Diabetes, Atherosclerosis
Interventions
sitagliptin, Placebo
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
21 Years to 70 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Dyslipidaemias
Interventions
an undetermined dose of GSK1292263, ascending dose of GSK1292263
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
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 Mellitus, Type 2
Interventions
Placebo, Canagliflozin, Sitagliptin, Metformin, Pioglitazone
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
41
States / cities
Anniston, Alabama • Phoenix, Arizona • Tucson, Arizona + 38 more
Terminated Phase 3 Interventional Results available

Prevention of Cystic Fibrosis Diabetes

NCT00967798
Conditions
Cystic Fibrosis, Prediabetes
Interventions
Sitagliptin
Drug
Lead sponsor
Emory University
Other
Eligibility
13 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
3
States / cities
Atlanta, Georgia • Columbus, Ohio
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of DPP4 Inhibition on Growth Hormone Secretion

NCT01701973
Conditions
Obesity
Interventions
Sitagliptin, Pegvisomant, Placebo, L-NMMA, Exendin 9-39
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 40 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Obesity
Interventions
K-757, K-757 and open-label sitagliptin, Matching placebo to K-757, Matching placebo to K-757 and matching placebo to K-833, K-757 and K-833, Matching placebo to K-757, open-label sitagliptin
Drug
Lead sponsor
Kallyope Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chula Vista, California
Conditions
Diabetes Mellitus, Type 2
Interventions
Canagliflozin, Placebo, Sitagliptin
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
678 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
24
States / cities
Phoenix, Arizona • Concord, California • Greenbrae, California + 21 more
Conditions
Hyperglycemia
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
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
3
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Results available

Effect of Chronic ACE and DPP4 Inhibition on Blood Pressure

NCT02130687
Conditions
Type 2 Diabetes Mellitus, Hypertension
Interventions
Placebo, Sitagliptin, Aprepitant, Mixed Meal Test (MMT)
Drug · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pharmacogenetics of Ace Inhibitor-Associated Angioedema

NCT01413542
Conditions
Hypertension, Diabetes Type 2
Interventions
Sitagliptin (DPP4 inhibitor), Substance P,, bradykinin, enalaprilat (ACE inhibitor), Glucagon-like peptide 1, brain natriuretic peptide
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee