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ClinicalTrials.gov public records Last synced Oct 7, 2026, 1:48 AM EDT

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Showing 49–72 of 137 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo Drug: Metformin Clear all
Recruiting Phase 1 Interventional

Prevention of Progression of Prediabetes, Obesity and CV Risk

NCT06446531
View directory record Official record
Conditions
Pre-Diabetes, Weight, Body, Cardiovascular Diseases
Interventions
Placebo, Rybelsus Tablet, Jardiance 25Mg Tablet, Metformin, Actos
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 3 Interventional Results available

Study of Dapagliflozin in Combination With Metformin XR to Initiate the Treatment of Type 2 Diabetes

NCT00859898
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Dapagliflozin, Metformin XR, dapagliflozin matching Placebo, metformin HCl Modified Release matching Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 77 Years
Enrollment
1,093 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
64
States / cities
Ozark, Alabama • Tempe, Arizona • Concord, California + 53 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2016 · Synced Oct 7, 2026, 1:48 AM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety of Azilsartan Medoxomil Used in Combination With Metformin in Participants With Hypertension and Diabetes

NCT01496430
View directory record Official record
Conditions
Hypertension, Diabetes
Interventions
Placebo, Azilsartan medoxomil
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
68
States / cities
Birmingham, Alabama • Green Valley, Arizona • Tempe, Arizona + 65 more
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Exenatide in Patients With Type 2 Diabetes Using a Thiazolidinedione or a Thiazolidinedione and Metformin

NCT00603239
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
exenatide, placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
7
States / cities
Birmingham, Alabama • Concord, California • Fresno, California + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2015 · Synced Oct 7, 2026, 1:48 AM EDT
Terminated Phase 4 Interventional Results available

MEtformin and Lorcaserin for WeighT Loss in Schizophrenia

NCT02796144
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Overweight
Interventions
Lorcaserin, Metformin, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
4
States / cities
Augusta, Georgia • New York, New York • Chapel Hill, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2021 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 4 Interventional Results available

A Study to Evaluate the Efficacy and Safety of the Addition of Canagliflozin in Participants With Type 2 Diabetes Mellitus With Inadequate Glycemic Control on Metformin and Sitagliptin

NCT02025907
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 31, 2016 · Synced Oct 7, 2026, 1:48 AM EDT
Terminated Phase 3 Interventional Results available

Medical Optimization of Management of Type 2 Diabetes Complicating Pregnancy (MOMPOD)

NCT02932475
View directory record Official record
Conditions
Diabetes, Pregnancy
Interventions
Metformin, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
831 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
10
States / cities
Birmingham, Alabama • San Diego, California • Jackson, Mississippi + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2023 · Synced Oct 7, 2026, 1:48 AM 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 10, 2026 · Synced Oct 7, 2026, 1:48 AM 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 24, 2016 · Synced Oct 7, 2026, 1:48 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Effect of Metformin, a Drug Used to Treat Diabetes, vs Placebo

NCT05949008
View directory record Official record
Conditions
NIDDM, Obesity
Interventions
Metformin Extended Release (ER) Oral Tablet, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 2 Interventional

AMG 151 Amgen Protocol Number 20100761

NCT01464437
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
AMG 151, Placebo, Metformin
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 75 Years
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
65
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 57 more
Source: ClinicalTrials.gov public record
Updated May 13, 2014 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 2 Interventional Results available

Phase 2 Study To Evaluate Safety And Efficacy Of Investigational Drug - PF04937319 In Patients With Type 2 Diabetes

NCT01475461
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Placebo, PF-04937319 - 3mg, PF-04937319 - 20mg, PF-04937319 - 50mg, PF-04937319 - 100mg, Sitagliptin - 100mg
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
345 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
24
States / cities
Anaheim, California • Los Angeles, California • Spring Valley, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 2 Interventional Results available

Study To Understand Efficacy And Safety Of Investigational Agent (PF-04937319) Compared To Approved Agent (Glimepiride) In Patients With Diabetes On Metformin

NCT01517373
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Placebo, PF-04937319 10 mg, PF-04937319 50 mg, PF-04937319 100 mg, Glimepiride
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
23
States / cities
Roseville, California • San Diego, California • Walnut Creek, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Oct 7, 2026, 1:48 AM EDT
Recruiting Phase 2Phase 3 Interventional

Effectiveness of Alternative Therapies in Maintaining Weight Loss Achieved by GLP-1 Medications Post-Cessation

NCT07092618
View directory record Official record
Conditions
Longevity, GLP-1, Geroscience, Aging
Interventions
Metformin, Rapamycin, Naltrexone, Vitamin C
Drug · Dietary Supplement
Lead sponsor
AgelessRx
Industry
Eligibility
40 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Oct 7, 2026, 1:48 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Combination Gerotherapeutic Interventions for Healthspan Improvement

NCT07475546
View directory record Official record
Conditions
Healthspan Improvement, Aging, Longevity
Interventions
Rapamycin, Naltrexone, Metformin, NAD+, GSH, Infinite Supplement, Placebo/control, B12, Intervention: Guided Meditation Program, Control: Podcast Listening Activity, Control: Standard Exercise Regimen, Intervention: Structured Exercise Program
Drug · Dietary Supplement · Behavioral
Lead sponsor
AgelessRx
Industry
Eligibility
60 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

RISE Adult Medication Study

NCT01779362
View directory record Official record
Conditions
Prediabetes, Type 2 Diabetes
Interventions
Metformin, Liraglutide, Glargine, Placebo
Drug
Lead sponsor
RISE Study Group
Network
Eligibility
20 Years to 65 Years
Enrollment
267 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
4
States / cities
Chicago, Illinois • Indianapolis, Indiana • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 11, 2023 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 3 Interventional Results available

A Study of Tirzepatide (LY3298176) Versus Placebo in Participants With Type 2 Diabetes Inadequately Controlled on Insulin Glargine With or Without Metformin

NCT04039503
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Tirzepatide, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
475 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
5
States / cities
Fresno, California • New Port Richey, Florida • Nashua, New Hampshire + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2022 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 4 Interventional Results available

Effect of Metformin on Vascular and Mitochondrial Function in Type 1 Diabetes

NCT01813929
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Metformin, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
25 Years to 59 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 21, 2022 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Semaglutide Once-weekly Versus Placebo as add-on to Basal Insulin Alone or Basal Insulin in Combination With Metformin in Subjects With Type 2 Diabetes

NCT02305381
View directory record Official record
Conditions
Diabetes, Diabetes Mellitus, Type 2
Interventions
semaglutide, placebo
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
397 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
72
States / cities
Phoenix, Arizona • Anaheim, California • Fresno, California + 63 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2019 · Synced Oct 7, 2026, 1:48 AM EDT
Terminated Phase 2 Interventional Results available

Drug Therapy Induced Weight Loss to Improve Blood Vessel Function in Subjects With Obesity

NCT01351753
View directory record Official record
Conditions
Obesity, Metabolic Syndrome X
Interventions
Metformin, Orlistat, Topiramate, Placebo
Drug
Lead sponsor
University of Iowa
Other
Eligibility
40 Years to 75 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 2 Interventional Results available

Prebiotics and Metformin Improve Gut and Hormones in Type 2 Diabetes in Youth (MIGHTY-fiber)

NCT04209075
View directory record Official record
Conditions
Diabetes
Interventions
Biomebliss, Metformin, Placebo
Dietary Supplement · Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
10 Years to 25 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2022 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 4 Interventional Results available

The Effect of Welchol on Glucose Metabolism in Type 2 Diabetics

NCT00951899
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Colesevelam, Placebo, Diet, Metformin
Drug · Other · Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
35 Years to 70 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 11, 2013 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Trial of an Intervention to Improve Metformin Persistence and Adherence

NCT03467763
View directory record Official record
Conditions
Metformin Adverse Reaction, Tolerance
Interventions
Metformin Extended Release Oral Tablet, Placebo oral capsule
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 100 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 7, 2020 · Synced Oct 7, 2026, 1:48 AM EDT
Completed Phase 4 Interventional Results available

A Type 2 Diabetes Study of the Longer-Term Glycemic Effect of AVANDAMET vs. Metformin

NCT00386100
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Avandamet 6 mg/1500 mg (ttd), Avandamet 4 mg/1000 mg (ttd), Avandamet 2 mg/500 mg (ttd), Avandamet 8 mg/ 2000 mg (ttd), Metformin 500 mg (ttd), Metformin 1000 mg (ttd), Metformin 1500 mg (ttd), Metformin 2000 mg (ttd)
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 75 Years
Enrollment
688 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
71
States / cities
Tuscaloosa, Alabama • Gilbert, Arizona • Glendale, Arizona + 65 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2016 · Synced Oct 7, 2026, 1:48 AM EDT