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Showing 1–24 of 421 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo (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, 11:51 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, 11:51 PM EDT
Active, not recruiting Phase 2 Interventional

The Prevention of Progression to Pancreatic Cancer Trial (The 3P-C Trial)

NCT04207944
View directory record Official record
Conditions
IPMN, IPMN, Pancreatic
Interventions
Sulindac 400 MG, Placebo
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
21 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
4
States / cities
Baltimore, Maryland • Boston, Massachusetts • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 19, 2026, 11:51 PM EDT
Recruiting Phase 4 Interventional

Assessment of Metformin for Restoration of Immune Homeostasis in HIV+ and HIV- Individuals With a History of Injection Drug Use

NCT06829238
View directory record Official record
Conditions
Systemic Inflammation, Immune Dysregulation, Injection Drug Use, HIV
Interventions
Metformin, Placebo, Jynneos, Capvaxvie
Drug · Biological
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 64 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 3 Interventional

A Study of Orforglipron (LY3502970) in Participants With Type 2 Diabetes and Inadequate Glycemic Control With Insulin Glargine, With or Without Metformin and/or SGLT-2 Inhibitor

NCT06109311
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Orforglipron, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
25
States / cities
Chandler, Arizona • Phoenix, Arizona • Bryant, Arkansas + 22 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Sep 19, 2026, 11:51 PM EDT
Terminated Phase 4 Interventional Results available

Metformin for Ectopic Fat Deposition and Metabolic Markers in Polycystic Ovary Syndrome (PCOS)

NCT02500147
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Non-Alcoholic Fatty Liver Disease, Metabolic Syndrome
Interventions
Metformin, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
13 Years to 25 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 2 Interventional Results available

Metformin Hydrochloride in Treating Patients With Prostate Cancer Undergoing Surgery

NCT01433913
View directory record Official record
Conditions
Adenocarcinoma of the Prostate, Recurrent Prostate Cancer, Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer
Interventions
metformin hydrochloride, placebo, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
3
States / cities
Tucson, Arizona • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 9, 2018 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 2 Interventional Results available

Metformin as a Novel Therapy for Autosomal Dominant Polycystic Kidney Disease

NCT02656017
View directory record Official record
Conditions
Polycystic Kidney, Autosomal Dominant
Interventions
Metformin, Placebo
Drug · Other
Lead sponsor
Kyongtae Ty Bae, M.D., Ph.D.
Other
Eligibility
18 Years to 60 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
2
States / cities
Baltimore, Maryland • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 8, 2022 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 3 Interventional Results available

Addition Of Exenatide To Insulin Glargine In Type 2 Diabetes Mellitus

NCT00765817
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
placebo, exenatide
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
40
States / cities
Peoria, Arizona • Phoenix, Arizona • Buena Park, California + 37 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2016 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 2 Interventional

Evaluation of Glucose Lowering Effect, Safety and Tolerability of CS-917

NCT00290940
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
CS-917, metformin hydrochloride, pioglitazone
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years to 70 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
66
States / cities
Birmingham, Alabama • Northport, Alabama • Mesa, Arizona + 62 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2007 · Synced Sep 19, 2026, 11:51 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, 11:51 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

An Endometrial Cancer Chemoprevention Study of Metformin

NCT01697566
View directory record Official record
Conditions
Gynecology
Interventions
Metformin, Placebo, Endometrial Biopsy, Lifestyle Intervention, Questionnaires
Drug · Other · Procedure + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
50 Years to 65 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Metabolic Effect of Metformin in Obese Insulin Resistant Adolescents With Normal Glucose Tolerance

NCT00667498
View directory record Official record
Conditions
Pediatric Obesity, Insulin Resistance, Hyperinsulinemia
Interventions
Metformin, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
13 Years to 17 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 17, 2009 · Synced Sep 19, 2026, 11:51 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, 11:51 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Metformin in a Non-Diabetic Patient Population

NCT03772964
View directory record Official record
Conditions
Inflammatory Response
Interventions
MetFORMIN Hydrochloride ER, Placebo
Drug
Lead sponsor
Brian Zuckerbraun
Other
Eligibility
55 Years to 85 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 10, 2023 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Liraglutide in Combination With Metformin Compared to Metformin Alone, in Children and Adolescents With Type 2 Diabetes

NCT01541215
View directory record Official record
Conditions
Diabetes, Diabetes Mellitus, Type 2
Interventions
liraglutide, placebo, metformin
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
10 Years to 17 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
71
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 57 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2021 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of LX4211 With Metformin in Type 2 Diabetes Patients With Inadequate Glycemic Control on Metformin

NCT01376557
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
75 mg LX4211, 200 mg LX4211, 400 mg LX4211, Placebo
Drug
Lead sponsor
Lexicon Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
299 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
56
States / cities
Anaheim, California • Carmichael, California • Greenbrae, California + 48 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2014 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 2 Interventional Results available

A Study of LY2409021 in Patients With Type 2 Diabetes

NCT01241448
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
LY2409021, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 70 Years
Enrollment
263 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
18
States / cities
Burbank, California • Concord, California • Fresno, California + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 2 Interventional

Safety and Feasibility of Metformin for Sepsis Induced AKI

NCT05900284
View directory record Official record
Conditions
Sepsis, Septic Shock, Acute Kidney Injury, Metformin
Interventions
Metformin low dose, Metformin high dose, Placebo
Drug
Lead sponsor
Hernando Gomez
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 3 Interventional Results available

A Study Assessing Saxagliptin Treatment in Subjects With Type 2 Diabetes Who Are Not Controlled With Diet and Exercise

NCT00374907
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Saxagliptin, Placebo, Metformin (blinded), Metformin (open-label)
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 70 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
3
States / cities
San Diego, California • Baton Rouge, Louisiana • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Sep 19, 2026, 11:51 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Short-Term Metformin Use in Young, Healthy Adults: Impacts on Exercise Capacity

NCT06638671
View directory record Official record
Conditions
Exercise Capacity, Metformin
Interventions
Metformin Hydrochloride, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 30 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 19, 2026, 11:51 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, 11:51 PM EDT
Completed Phase 3 Interventional Results available

The Effect of Insulin Degludec in Combination With Liraglutide and Metformin in Subjects With Type 2 Diabetes Qualifying for Treatment Intensification

NCT01664247
View directory record Official record
Conditions
Diabetes, Diabetes Mellitus, Type 2
Interventions
insulin degludec, placebo, liraglutide
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
346 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
67
States / cities
Anaheim, California • Concord, California • Escondido, California + 59 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 19, 2026, 11:51 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, 11:51 PM EDT