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Showing 1–24 of 177 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Sitagliptin phosphate Clear all
Completed No phase listed Observational

Use of Continuous Glucose Monitoring Combined With Ambulatory Glucose Profiles to Characterize Glycemic Control

NCT00806520
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Not listed
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
5
States / cities
Boston, Massachusetts • Minneapolis, Minnesota • Las Vegas, Nevada + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2015 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Sitagliptin on Short-Term Metabolic Dysregulation of Oral Glucocorticoid Therapy

NCT01488279
View directory record Official record
Conditions
Pre-diabetes, Impaired Fasting Glucose, Impaired Glucose Tolerance
Interventions
Dexamethasone 2.5 mg and Sitagliptin 100 mg, Dexamethasone 2.5 mg and placebo tablet
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
South Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Mar 11, 2018 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Role of P-glycoprotein in Sitagliptin Clinical Pharmacology

NCT01112670
View directory record Official record
Conditions
Healthy
Interventions
Sitagliptin, atorvastatin
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 23, 2013 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Interaction of Bexagliflozin With Metformin, Glimepiride and Sitagliptin

NCT02956044
View directory record Official record
Conditions
Type2 Diabetes Mellitus
Interventions
Bexagliflozin, Metformin, Glimepiride, Sitagliptin
Drug
Lead sponsor
Theracos
Industry
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 21, 2021 · Synced Sep 4, 2026, 3:29 PM EDT
Terminated Phase 2 Interventional Results available

A Study of LY2409021 in Participants With Type 2 Diabetes Mellitus

NCT02111096
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 3 Interventional Results available

A Study to Compare the Glycemic Effects, Safety, and Tolerability of Exenatide Once Weekly to Those of Sitagliptin and Pioglitazone,in Subjects With Type 2 Diabetes Treated With Metformin (DURATION - 2)

NCT00637273
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
exenatide once weekly, sitagliptin, pioglitazone, placebo tablet, placebo once weekly
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
514 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
51
States / cities
Peoria, Arizona • Artesia, California • Concord, California + 48 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2015 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 4 Interventional Results available

Efficacy and Safety of Switching From Sitagliptin to Liraglutide in Subjects With Type 2 Diabetes Not Achieving Adequate Glycaemic Control on Sitagliptin and Metformin

NCT01907854
View directory record Official record
Conditions
Diabetes, Diabetes Mellitus, Type 2
Interventions
liraglutide, sitagliptin, placebo
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
407 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
58
States / cities
Phoenix, Arizona • Tucson, Arizona • Escondido, California + 46 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2018 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Sitagliptin Effects on Arterial Vasculature and Inflammation in Obesity

NCT02576288
View directory record Official record
Conditions
Atherosclerosis, Inflammation
Interventions
Sitagliptin, Placebo
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Sep 4, 2026, 3:29 PM EDT
Withdrawn Not applicable Interventional

Sitagliptin in Type I Diabetic Patients

NCT01741103
View directory record Official record
Conditions
Diabetes Type I
Interventions
sitagliptin, Placebo
Drug
Lead sponsor
University at Buffalo
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Williamsville, New York
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Drug Interaction Study of Dapagliflozin and Glimepiride or Sitagliptin in Healthy Subjects

NCT00842556
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Dapagliflozin, Glimepiride, Sitagliptin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 16, 2016 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of DPP4 Inhibition on Growth Hormone Secretion

NCT01701973
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 28, 2018 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 3 Interventional Results available

24-week Study Comparing Lixisenatide to Sitagliptin as add-on to Metformin in Obese Type 2 Diabetic Patients Younger Than 50 Years

NCT00976937
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Lixisenatide (AVE0010), Lixisenatide Placebo, Pen auto-injector, Sitagliptin, Sitagliptin Placebo, Metformin
Drug · Device
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 49 Years
Enrollment
319 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
21
States / cities
Montgomery, Alabama • Muscle Shoals, Alabama • Mesa, Arizona + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2016 · Synced Sep 4, 2026, 3:29 PM EDT
Withdrawn Phase 2 Interventional

Mechanisms Underlying Predictors of Success From Obesity Surgery

NCT02697253
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 2 Interventional Results available

BI 10773 add-on to Metformin in Patients With Type 2 Diabetes

NCT00749190
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
BI 10773, placebo, sitagliptin
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 79 Years
Enrollment
495 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
19
States / cities
Chula Vista, California • Mission Viejo, California • Pasadena, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2014 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Combination Therapy With Sitagliptin and Lansoprazole to Restore Pancreatic Beta Cell Function in Recent-Onset Type 1 Diabetes

NCT01155284
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Sitagliptin and Lansoprazole, Placebo
Drug
Lead sponsor
Sanford Health
Other
Eligibility
11 Years to 45 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
3
States / cities
San Diego, California • Saint Paul, Minnesota • Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Sep 17, 2017 · Synced Sep 4, 2026, 3:29 PM EDT
Active, not recruiting No phase listed Observational

Comparative Effectiveness and Safety of Four Second Line Pharmacological Strategies in Type 2 Diabetes Study

NCT05220917
View directory record Official record
Conditions
Cardiovascular Events, Type2 Diabetes, Renal Disease
Interventions
SGLT2 inhibitor, DPP-4 inhibitor, GLP-1RA, 2nd generation SU
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
781,430 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Efficacy and Safety of Saxagliptin Co-administered With Dapagliflozin in Combination With Metformin Compared to Sitagliptin in Combination With Metformin in Adult Patients With Type 2 Diabetes Who Have Inadequate Glycemic Control on Metformin Therapy Alone

NCT02284893
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 31, 2018 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 1 Interventional Results available

Randomized Trial Comparing Sitagliptin to Placebo in Closed Loop

NCT02328040
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Placebo and Insulin monotherapy via CL, Sitagliptin and insulin/novolog via CL
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
14 Years to 30 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 6, 2018 · Synced Sep 4, 2026, 3:29 PM EDT
Recruiting Phase 3 Interventional

Comparative Effectiveness of Two Initial Combination Therapies in Patients With Recent Onset Diabetes

NCT06246799
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Not applicable Interventional Results available

Effect of Exenatide, Sitagliptin or Glimepiride on Functional ß -Cell Mass

NCT00775684
View directory record Official record
Conditions
Pre-diabetes, Type 2 Diabetes
Interventions
Exenatide, Sitagliptin, Glimepiride
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
3
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 1 Interventional

The Role of Phosphodiesterase Inhibitors in Incretin Secretion

NCT02363335
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 4, 2026, 3:29 PM EDT
Active, not recruiting No phase listed Observational

Comparative Effectiveness of Oral Semaglutide vs Sitagliptin Among Individuals With Heart Failure With Preserved Ejection Fraction (STEP-HFpEF DM ORAL)

NCT07390110
View directory record Official record
Conditions
Type 2 Diabetes, Heart Failure
Interventions
Oral semaglutide, Sitagliptin
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
25,664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 4, 2026, 3:29 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Empagliflozin (BI 10773) Versus Placebo and Sitagliptin Over 24 Weeks in Patients With Type 2 Diabetes

NCT01177813
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Placebo identical to BI10773 high dose, BI 10773, BI 10773 open label, Placebo identical to BI10773 low dose, Placebo identical to Sitagliptin 100mg, BI10773, Sitagliptin
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
986 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
27
States / cities
Mesa, Arizona • Phoenix, Arizona • Hot Springs, Arkansas + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2014 · Synced Sep 4, 2026, 3:29 PM EDT
Not listed No phase listed Observational

BESTMED: Observational Evaluation of Second Line Therapy Medications in Diabetes

NCT05161429
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
DPP4, GLP-1 receptor agonist, Basal Insulin, SLGT2, SU
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
30 Years and older
Enrollment
550,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
5
States / cities
Wilmington, Delaware • Lexington, Kentucky • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Sep 4, 2026, 3:29 PM EDT