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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 2 Interventional

A Trial of BMS-512148 in Patients With Type 2 Diabetes Mellitus

NCT00263276
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
dapagliflozin, placebo, metformin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 79 Years
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
111
States / cities
Bayou La Batre, Alabama • Birmingham, Alabama • Huntsville, Alabama + 107 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2016 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of Canagliflozin in Older Patients (55 to 80 Years of Age) With Type 2 Diabetes Mellitus

NCT01106651
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Canagliflozin 100 mg, Canagliflozin 300 mg, Antihyperglycemic agent(s), Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
55 Years to 80 Years
Enrollment
716 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
34
States / cities
Glendale, Arizona • Phoenix, Arizona • Little Rock, Arkansas + 31 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2014 · Synced Sep 11, 2026, 5:09 AM EDT
Terminated Phase 2 Interventional Results available

Metformin as a Chemoprevention Agent in Non-small Cell Lung Cancer

NCT01717482
View directory record Official record
Conditions
Lung Neoplasms, Carcinoma, Non-Small-Cell Lung
Interventions
Metformin, Placebo Comparator
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 2 Interventional Results available

A Study Investigating Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of GSK2330672 Administered With Metformin to Type 2 Diabetes Patients

NCT02202161
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
GSK2330672, Placebo, Sitagliptin, Metformin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
30 Years to 64 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
4
States / cities
Chula Vista, California • Miami, Florida • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 11, 2026, 5:09 AM EDT
Terminated Phase 4 Interventional Results available

Metformin, Muscle Energetics, and Vascular Function in Older Adults With Peripheral Artery Disease

NCT01901224
View directory record Official record
Conditions
Peripheral Artery Disease
Interventions
Metformin 1000 mg, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
40 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 23, 2018 · Synced Sep 11, 2026, 5:09 AM 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 11, 2026, 5:09 AM EDT
Completed Phase 2Phase 3 Interventional

A Trial of Metformin in Individuals With Fragile X Syndrome

NCT03479476
View directory record Official record
Conditions
Fragile X Syndrome, Fragile X Mental Retardation Syndrome, Mental Retardation, X Linked, Genetic Diseases, X-Linked, Trinucleotide Repeat Expansion, Fra(X) Syndrome, Intellectual Disability, FXS, Neurobehavioral Manifestations, Sex Chromosome Disorders
Interventions
Placebo Medication, Metformin
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
6 Years to 25 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Sep 11, 2026, 5:09 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 6, 2016 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 1 Interventional Results available

A Phase I Study to Assess the Pharmacodynamics of Oral AR-C165395XX in Subjects With Type 2 Diabetes Mellitus (T2DM)

NCT02367066
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
AR-C165395XX, Placebo
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Chula Vista, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2016 · Synced Sep 11, 2026, 5:09 AM EDT
Recruiting Phase 2 Interventional

Metformin for Fibromyalgia Symptoms (INFORM Trial)

NCT05900466
View directory record Official record
Conditions
Fibromyalgia Syndrome
Interventions
Metformin, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 4 Interventional Results available

Sitagliptin + Metformin Compared to Metformin Monotherapy and Placebo in Women With a Recent GDM

NCT01856907
View directory record Official record
Conditions
Disorder of Glucose Regulation
Interventions
Sitagliptin-Metformin, Metformin, Placebo pill
Drug
Lead sponsor
Woman's
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Sep 11, 2026, 5:09 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 25, 2023 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 2 Interventional Results available

Study to Investigate Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of GSK2330672 in Type 2 Diabetes Patients Taking Metformin

NCT01929863
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
GSK2330672, Placebo, Metformin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
30 Years to 64 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 15, 2017 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 2 Interventional Results available

An Efficacy, Safety, and Tolerability Study of Canagliflozin in the Treatment of Patients With Type 2 Diabetes Mellitus With Inadequate Glycemic Control on Metformin Monotherapy

NCT01340664
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Canagliflozin 50 mg, Placebo, Canagliflozin 150 mg, Metformin
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
279 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
26
States / cities
Little Rock, Arkansas • National City, California • Spring Valley, California + 23 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2014 · Synced Sep 11, 2026, 5:09 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 30, 2017 · Synced Sep 11, 2026, 5:09 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 20, 2022 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 2 Interventional

A Study of DPP-IV Inhibitor in Patients With Type 2 Diabetes

NCT00111631
View directory record Official record
Conditions
Diabetes Mellitus Type 2
Interventions
DPP-IV Inhibitor, Metformin, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 75 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
20
States / cities
Concord, California • Salinas, California • San Diego, California + 17 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 2 Interventional Results available

A 12-WEEK TITRATE STUDY TO EVALUATE SAFETY, TOLERABILITY AND PHARMACODYNAMICS OF PF-06882961 IN ADULTS WITH TYPE 2 DIABETES MELLITUS AND IN NON-DIABETIC ADULTS WITH OBESITY

NCT04617275
View directory record Official record
Conditions
Diabetes, Obesity
Interventions
PF-06882961, Placebo
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
38
States / cities
Phoenix, Arizona • Searcy, Arkansas • Montclair, California + 31 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2022 · Synced Sep 11, 2026, 5:09 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 30, 2017 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of the Effect of Abemaciclib on Metformin and Iohexol in Healthy Participants

NCT02884089
View directory record Official record
Conditions
Healthy
Interventions
Abemaciclib, Metformin, Iohexol, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 3, 2019 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 4 Interventional Results available

Phase 4: Investigational Study to Evaluate Metformin XR Monotherapy Versus Metformin IR Monotherapy in Subjects With Type 2 Diabetes

NCT01864174
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Metformin XR, Metformin IR, Placebo matching with Metformin XR, Placebo matching with Metformin IR
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
1,736 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
39
States / cities
Birmingham, Alabama • Muscle Shoals, Alabama • Mesa, Arizona + 29 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2019 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of B I1356 (Linagliptin) vs. Placebo Added to Metformin Background Therapy in Patients With Type 2 Diabetes

NCT00601250
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
linagliptin
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 80 Years
Enrollment
701 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
19
States / cities
Chula Vista, California • Spring Valley, California • Walnut Creek, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2014 · Synced Sep 11, 2026, 5:09 AM EDT
Completed Phase 1 Interventional

A Clinical Trial Study to Determine the Effect of an Investigational Drug (SEP-363856) Has on the Way That the Drug Metformin Travels Through the Body in People With Schizophrenia.

NCT04865835
View directory record Official record
Conditions
Schizophrenia
Interventions
placebo, SEP-363856, metformin
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Oakland Park, Florida • Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced Sep 11, 2026, 5:09 AM 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 11, 2026, 5:09 AM EDT