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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
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 23, 2026, 9:45 AM EDT
Terminated Early Phase 1 Interventional

Brain Imaging in the Diabetes Prevention Program Outcomes Study

NCT03757910
View directory record Official record
Conditions
Alzheimer Disease
Interventions
18F-MK-6240, 11C-PIB
Drug
Lead sponsor
José A. Luchsinger
Other
Eligibility
60 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 3, 2024 · Synced Sep 23, 2026, 9:45 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Metformin for the Treatment of Microvascular Dysfunction After Gestational Diabetes

NCT05917587
View directory record Official record
Conditions
Gestational Diabetes
Interventions
Metformin Hydrochloride, placebo
Drug · Other
Lead sponsor
Anna Stanhewicz, PhD
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 12, 2025 · Synced Sep 23, 2026, 9:45 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 6, 2020 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate Tirzepatide (LY3298176) in Pediatric and Adolescent Participants With Type 2 Diabetes Mellitus Inadequately Controlled With Metformin or Basal Insulin or Both

NCT05260021
View directory record Official record
Conditions
Type2 Diabetes, Diabetes Mellitus, Diabetes Mellitus, Type 2, T2D, T2DM (Type 2 Diabetes Mellitus), Glucose Metabolism Disorders, Endocrine System Diseases, Metabolic Disease
Interventions
Tirzepatide Dose 1, Tirzepatide Dose 2, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
10 Years to 18 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
13
States / cities
Los Angeles, California • Sacramento, California • San Diego, California + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Sep 23, 2026, 9:45 AM EDT
Not listed Phase 2 Interventional

An Add-on Study of MLR-1023 in Adults With Uncontrolled Type 2 Diabetes on Metformin Therapy

NCT03279263
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
MLR-1023, Placebo
Drug · Other
Lead sponsor
Melior Pharmaceuticals
Other
Eligibility
18 Years to 75 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 2 Interventional

A Study of a GLP-1 Analogue in Patients With Type 2 Diabetes Treated With Metformin.

NCT00423501
View directory record Official record
Conditions
Diabetes Mellitus Type 2
Interventions
Placebo, taspoglutide
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 75 Years
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
10
States / cities
Washington D.C., District of Columbia • Woodstock, Georgia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Empagliflozin (BI 10773) in Type 2 Diabetes Patients on a Background of Pioglitazone Alone or With Metformin

NCT01210001
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Placebo, BI 10773
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
499 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
24
States / cities
Muscle Shoals, Alabama • Glendale, Arizona • Phoenix, Arizona + 21 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2014 · Synced Sep 23, 2026, 9:45 AM EDT
Terminated Phase 2 Interventional Results available

A Study of LY2599506 in Patients With Type 2 Diabetes

NCT01024244
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Placebo, LY2599506
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 70 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
3
States / cities
Topeka, Kansas • Toms River, New Jersey • Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Dec 1, 2011 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Subjects That Are Taking Saxagliptin Added Onto Metformin XR Compared to Subjects Taking Metformin XR Alone

NCT00683657
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Saxagliptin, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 77 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
13
States / cities
Phoenix, Arizona • Escondido, California • Irvine, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 31, 2015 · Synced Sep 23, 2026, 9:45 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 22, 2016 · Synced Sep 23, 2026, 9:45 AM EDT
Not listed Phase 1Phase 2 Interventional

Metformin in Patients With Fragile X

NCT04141163
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
Metformin, Placebo oral tablet
Drug
Lead sponsor
Rowan University
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Stratford, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 30, 2019 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 2 Interventional

A Study to Evaluate Safety and Efficacy of TTP054 for 12 Weeks in Subjects With Type 2 Diabetes

NCT01665352
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
TTP054, Placebo
Drug
Lead sponsor
vTv Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
19
States / cities
Chula Vista, California • Los Angeles, California • Denver, Colorado + 15 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Sep 23, 2026, 9:45 AM 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 23, 2026, 9:45 AM EDT
Completed Phase 3 Interventional Results available

Efficacy of Alogliptin and Pioglitazone in Subjects With Type 2 Diabetes Mellitus

NCT00432276
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Alogliptin, Pioglitazone, Metformin, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 80 Years
Enrollment
803 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
86
States / cities
Birmingham, Alabama • Huntsville, Alabama • Lake Havasu City, Arizona + 83 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2013 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 2 Interventional

A Study of Dipeptidyl-peptidase IV (DPP-IV) RO4876904 in Patients With Type 2 Diabetes.

NCT00502710
View directory record Official record
Conditions
Diabetes Mellitus Type 2
Interventions
Placebo, RO4876904
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 75 Years
Enrollment
289 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
12
States / cities
Hot Springs, Arkansas • Concord, California • Los Angeles, California + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2016 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 3 Interventional Results available

A Study of Saxagliptin in Subjects With Type 2 Diabetes Who Have Inadequate Blood Sugar Control With Sulfonylureas

NCT00313313
View directory record Official record
Conditions
Diabetes
Interventions
Saxagliptin, Glyburide, Placebo, Metformin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 77 Years
Enrollment
768 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
54
States / cities
Jonesboro, Arkansas • Searcy, Arkansas • Alhambra, California + 49 more
Source: ClinicalTrials.gov public record
Updated May 3, 2015 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 3 Interventional Results available

Phase 3 28-Week Study With 24-Week and 52-week Extension Phases to Evaluate Efficacy and Safety of Exenatide Once Weekly and Dapagliflozin Versus Exenatide and Dapagliflozin Matching Placebo

NCT02229396
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Exantide with Dapagliflozin, Exentide, Dapagliflozin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
695 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
76
States / cities
Birmingham, Alabama • Huntsville, Alabama • Tuscumbia, Alabama + 61 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2018 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 2 Interventional

Multicenter Study to Evaluate the Effect of BTI320 on Glycemic Control in Type 2 Diabetes

NCT03655535
View directory record Official record
Conditions
Type2 Diabetes Mellitus
Interventions
BTI320, Placebo
Drug · Other
Lead sponsor
Boston Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
4
States / cities
Ventura, California • Albuquerque, New Mexico • Mt. Pleasant, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Sotagliflozin Versus Placebo in Participants With Type 2 Diabetes Mellitus on Background of Sulfonylurea Alone or With Metformin

NCT03066830
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Sotagliflozin (SAR439954), Placebo, Metformin, Sulfonylurea
Drug
Lead sponsor
Lexicon Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
507 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
28
States / cities
Litchfield Park, Arizona • Peoria, Arizona • Greenbrae, California + 25 more
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 3 Interventional Results available

The Effect of Liraglutide Versus Placebo When Added to Basal Insulin Analogues With or Without Metformin in Subjects With Type 2 Diabetes

NCT01617434
View directory record Official record
Conditions
Diabetes, Diabetes Mellitus, Type 2
Interventions
liraglutide, placebo
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years to 80 Years
Enrollment
451 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
31
States / cities
Phoenix, Arizona • Anaheim, California • Fresno, California + 27 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2017 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 2 Interventional Results available

A Study to Compare a New Drug for Type 2 Diabetes to Placebo and to a Treatment Already Available for Type 2 Diabetes

NCT02119819
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
LY2944876, Exenatide extended-release, Placebo, Metformin
Drug
Lead sponsor
OPKO Health, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
31
States / cities
Concord, California • Fresno, California • Los Angeles, California + 27 more
Source: ClinicalTrials.gov public record
Updated May 26, 2021 · Synced Sep 23, 2026, 9:45 AM EDT
Recruiting Phase 2 Interventional

Metformin as an add-on or Monotherapy in Treatment of Aging People With Multiple Sclerosis (MS)

NCT06463743
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
metformin, Placebo
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
55 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Sep 23, 2026, 9:45 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of BI 1356 in Combination With Metformin in Patients With Type 2 Diabetes

NCT00622284
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Placebo identical to BI 1356 5mg, Placebo identical to Glimepiride 1mg or 2mg or 3mg or 4 mg, BI 1356, Glimepiride
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,560 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
23
States / cities
Tempe, Arizona • Chula Vista, California • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2014 · Synced Sep 23, 2026, 9:45 AM EDT