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Showing 1–24 of 141 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo matching Metformin Clear all
Completed Phase 3 Interventional Results available

GLP-1 Receptor Agonist Lixisenatide (Morning or Evening) in Patients With Type 2 Diabetes for Glycemic Control and Safety Evaluation, on Top of Metformin

NCT00712673
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Lixisenatide (AVE0010), Placebo, Pen auto-injector, Metformin
Drug · Device
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 14, 2016 · Synced Sep 19, 2026, 8:08 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 19, 2026, 8:08 PM EDT
Completed Phase 2 Interventional Results available

A Study in Type 2 Diabetic Subjects on Stable Metformin Therapy to Investigate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Co-administering Single and Multiple Oral Doses of GSK1292263

NCT01128621
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
GSK1292263, GSK1292263 matching placebo, Sitagliptin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Chula Vista, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 15, 2017 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study of Ranolazine in Subjects With Type 2 Diabetes Who Are Inadequately Controlled on Metformin Alone

NCT01555164
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Ranolazine, Placebo to match ranolazine, Metformin, Placebo to match metformin, Diet, Exercise
Drug · Behavioral
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 75 Years
Enrollment
442 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
60
States / cities
Gulf Shores, Alabama • Little Rock, Alaska • Chandler, Arizona + 53 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2014 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 3 Interventional Results available

Treatment of Overweight Induced by Antipsychotic Medication in Young People With Autism Spectrum Disorders (ASD)

NCT01825798
View directory record Official record
Conditions
Overweight, Autism Spectrum Disorder
Interventions
Metformin, Placebo
Drug
Lead sponsor
Holland Bloorview Kids Rehabilitation Hospital
Other
Eligibility
6 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
3
States / cities
Columbus, Ohio • Pittsburgh, Pennsylvania • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Lixisenatide Versus Placebo on Top of Basal Insulin and/or Oral Antidiabetic Treatment in Older Type 2 Diabetic Patients

NCT01798706
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Lixisenatide (AVE0010), Placebo, Antidiabetic background therapy
Drug
Lead sponsor
Sanofi
Industry
Eligibility
70 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
14
States / cities
La Jolla, California • Norwalk, California • Miami, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 2 Interventional

Study of KD026 in Combination With Metformin in Subjects With Type 2 Diabetes Mellitus

NCT02434744
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
KD026, Placebo, Metformin
Drug
Lead sponsor
Response Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • West Hills, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 2 Interventional

Metformin for Older Patients With Heart Failure With Preserved Ejection Fraction

NCT05093959
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Metformin, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
60 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Charlotte, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Randomized, Placebo-controlled Study to Evaluate Effects of E5555 on Renal Function Parameters and OCT2 Activity

NCT01241669
View directory record Official record
Conditions
Healthy Subjects
Interventions
E5555
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2010
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2014 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 4 Interventional Results available

Effects of Sitagliptin on Endothelial Function in Type 2 Diabetes on Background Metformin Therapy

NCT01859793
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 20, 2016 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 2 Interventional

Efficacy and Safety of SYR-472 in Subjects With Type 2 Diabetes Mellitus

NCT00760344
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
SYR-472, Placebo, Sitagliptin
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 80 Years
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
105
States / cities
Birmingham, Alabama • Mobile, Alabama • Montgomery, Alabama + 102 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2016 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 2 Interventional

Safety and Efficacy of INCB013739 Plus Metformin Compared to Metformin Alone on Glycemic Control in Type 2 Diabetics

NCT00698230
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
INCB013739, Placebo comparator matching INCB013739, Metformin
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years to 75 Years
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
62
States / cities
Birmingham, Alabama • Artesia, California • Calabasas, California + 54 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2018 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 2 Interventional Results available

An Efficacy, Safety, and Tolerability Study of Canagliflozin (JNJ-28431754) in Patients With Type 2 Diabetes

NCT00642278
View directory record Official record
Conditions
Diabetes Mellitus, Type II, Diabetes Mellitus, Non Insulin Dependent
Interventions
Canagliflozin (JNJ-28431754), Sitagliptin, Placebo
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 65 Years
Enrollment
451 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
30
States / cities
Birmingham, Alabama • Mesa, Arizona • Tucson, Arizona + 27 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Sep 19, 2026, 8:08 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Study of the Safety and Effectiveness of LY3053102 in Participants With Type 2 Diabetes

NCT02020616
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
LY3053102, Exenatide ER, Placebo, Metformin
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
5
States / cities
Orange, California • Miami, Florida • Orlando, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 3 Interventional

Insulin Clamp Ancillary Study for Assessment of Insulin Resistance

NCT02045290
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Metformin, Placebo
Drug
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
12 Years to 19 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Sep 19, 2026, 8:08 PM EDT
Terminated Phase 3 Interventional Results available

Comparison of Fasiglifam (TAK-875) to Placebo and Sitagliptin in Combination With Metformin in Participants With Type 2 Diabetes

NCT01549964
View directory record Official record
Conditions
Glycemic Control
Interventions
Fasiglifam (TAK-875), Sitagliptin, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
916 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
58
States / cities
Muscle Shoals, Alabama • Mesa, Arizona • Peoria, Arizona + 55 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2016 · Synced Sep 19, 2026, 8:08 PM EDT
Terminated Phase 3 Interventional Results available

Randomized, Double-blind, Active-controlled, Study of Rivoglitazone in Type 2 Diabetes Mellitus

NCT00571519
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
rivoglitazone HCl, placebo, pioglitazone HCl, pioglitazone HCl 45 mg, metformin
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
18
States / cities
Huntsville, Alabama • San Diego, California • San Francisco, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 25, 2021 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Bexagliflozin Compared to Glimepiride as Add-on Therapy to Metformin in Type 2 Diabetes Subjects

NCT02769481
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Bexagliflozin, Placebo for Bexagliflozin, Glimepiride, Placebo for Glimepiride
Drug
Lead sponsor
Theracos
Industry
Eligibility
18 Years and older
Enrollment
426 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
11
States / cities
Birmingham, Alabama • Huntington Park, California • Los Angeles, California + 8 more
Source: ClinicalTrials.gov public record
Updated May 26, 2021 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 3 Interventional

A Research Study to See How Well CagriSema Compared to Semaglutide, Cagrilintide and Placebo Lowers Blood Sugar and Body Weight in People With Type 2 Diabetes Treated With Metformin With or Without an SGLT2 Inhibitor

NCT06065540
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Cagrilintide, Semaglutide, Placebo cagrilintide, Placebo semaglutide
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
2,734 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
100
States / cities
Birmingham, Alabama • Pelham, Alabama • Phoenix, Arizona + 79 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 1 Interventional Results available

A Multiple Dose Study Of PF-04620110 In Type 2 Diabetes Patients

NCT01298518
View directory record Official record
Conditions
Type 2 Diabetes Patients
Interventions
PF-04620110, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 60 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
3
States / cities
Chula Vista, California • DeLand, Florida • Miami Gardens, Florida
Source: ClinicalTrials.gov public record
Updated Nov 5, 2012 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 1 Interventional

Randomized, Placebo-controlled, 2 Period, Single-blind, Sequential, Multiple Ascending Dose Study

NCT01956305
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
DS-7309, placebo, Metformin
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 23, 2014 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Evaluate The Safety,Tolerability, PK and PD Of DA-1241 In Healthy Male Subjects

NCT03061981
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Placebo, Metformin, DA-1241
Drug
Lead sponsor
Dong-A ST Co., Ltd.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 19, 2017 · Synced Sep 19, 2026, 8:08 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Alogliptin Combined With Metformin in Participants With Type 2 Diabetes Mellitus

NCT00286442
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Alogliptin and metformin, Metformin
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 80 Years
Enrollment
527 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
40
States / cities
Phoenix, Arizona • Anaheim, California • Artesia, California + 37 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2012 · Synced Sep 19, 2026, 8:08 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Dose Finding, Safety and Efficacy of Monthly Subcutaneous Canakinumab Administration in Metformin Monotherapy Treated Type 2 Diabetic Patients

NCT00900146
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Canakinumab, Metformin, Placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years to 74 Years
Enrollment
556 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
18
States / cities
Phoenix, Arizona • La Jolla, California • Los Gatos, California + 15 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2012 · Synced Sep 19, 2026, 8:08 PM EDT