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Showing 1–24 of 73 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Metformin 1000 mg bid Clear all
Completed Phase 4 Interventional Results available

Linagliptin and Metformin Versus Linagliptin in Newly Diagnosed, Untreated Type 2 Diabetes

NCT01512979
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
metformin, linagliptin, metformin placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
29
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Chino, California + 26 more
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 1 Interventional

Single Cohort 4-period Study to Assess Pharmacokinetics of Metformin Alone and in Combination With Ranolazine

NCT01546597
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Metformin, Ranolazine
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
30 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2012 · Synced Sep 17, 2026, 5:15 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

A Pragmatic Approach to Lowering the Risk of Diabetes Mellitus After A Diagnosis of Gestational Diabetes Mellitus

NCT04615351
View directory record Official record
Conditions
Gestational Diabetes
Interventions
Metformin
Drug
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Sep 17, 2026, 5:15 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 17, 2026, 5:15 AM EDT
Recruiting Phase 2 Interventional

Target Validation and Efficacy of Metformin in Patients With Posterior Fossa Group A (PFA) Ependymoma

NCT07226453
View directory record Official record
Conditions
Posterior Fossa Ependymal Tumor
Interventions
Metformin, Planned Surgical Resection, Magnetic Resonance Imaging (MRI), Specimen Collection, MR spectroscopy (MRS)
Drug · Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
1 Year to 39 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
10
States / cities
Birmingham, Alabama • San Francisco, California • Washington D.C., District of Columbia + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional Results available

A Pilot Study: Metformin Therapy in Heart Failure Patients With Early Diabetes or at High Risk of Developing Diabetes (Pre-Diabetes)

NCT01573949
View directory record Official record
Conditions
Diabetes, Heart Failure
Interventions
Metformin
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 90 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Empagliflozin and Metformin for 24 Weeks in Treatment Naive Patients With Type 2 Diabetes

NCT01719003
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Hyperglycemia
Interventions
Metformin 500 mg bid, Metformin 1000 mg bid, Empagliflozin low dose qd, Empagliflozin high dose qd, Empagliflozin low dose bid, Empagliflozin high dose bid
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
1,413 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
41
States / cities
Birmingham, Alabama • Manley Hot Springs, Alaska • Glendale, Arizona + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2016 · Synced Sep 17, 2026, 5:15 AM EDT
Recruiting Phase 1Phase 2 Interventional

A Study Evaluating the Efficacy and Safety of Multiple Treatment Combinations in Patients With Metastatic or Locally Advanced Breast Cancer

NCT03424005
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Capecitabine, Atezolizumab, Ipatasertib, SGN-LIV1A, Bevacizumab, Chemotherapy (Gemcitabine + Carboplatin or Eribulin), Selicrelumab, Tocilizumab, Nab-Paclitaxel, Sacituzumab Govitecan, Abemaciclib, Fulvestrant, Ribociclib (Dose #1), Inavolisib (Dose #1), Trastuzumab Deruxtecan, Ribociclib (Dose #2), Letrozole, Inavolisib (Dose #2), Empagliflozin, Palbociclib, Metformin, Atirmociclib, Giredestrant
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
1,132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
24
States / cities
Duarte, California • Irvine, California • La Jolla, California + 18 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 17, 2026, 5:15 AM EDT
Recruiting Phase 2 Interventional

Alpelisib/iNOS Inhibitor/Nab-paclitaxel in Patients With HER2 Negative Metaplastic Breast Cancer (MpBC)

NCT05660083
View directory record Official record
Conditions
HER2-negative Breast Cancer, Metastatic Breast Cancer, Metaplastic Breast Carcinoma, TNBC - Triple-Negative Breast Cancer
Interventions
L-NMMA
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
3
States / cities
Bethesda, Maryland • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 2 Interventional

Efficacy and Safety of Metformin and Liraglutide in Obese Subjects With Type 2 Diabetes Previously Treated With an Oral Hypoglycemic Agent

NCT01511198
View directory record Official record
Conditions
Diabetes, Diabetes Mellitus, Type 2
Interventions
liraglutide, metformin
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years to 75 Years
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001
U.S. locations
39
States / cities
Vestavia Hills, Alabama • Tucson, Arizona • Carlisle, Arkansas + 32 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2017 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cortisol Regulation in Polycystic Ovary Syndrome (PCOS)

NCT00694759
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
pioglitazone, metformin, placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 8, 2019 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 2 Interventional Results available

Metformin in Amnestic Mild Cognitive Impairment

NCT00620191
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Metformin, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
55 Years to 90 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Sep 17, 2026, 5:15 AM 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 17, 2026, 5:15 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 17, 2026, 5:15 AM EDT
Terminated Phase 1 Interventional Results available

Study of Saxagliptin, 5-Hydroxy Saxagliptin, and Metformin Concentrations/Levels in Pediatric Subjects With T2DM

NCT01525225
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Metformin immediate release (IR), Saxagliptin, Metformin IR, Saxagliptin/Metformin XR FDC, Metformin XR
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
10 Years to 17 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
7
States / cities
Little Rock, Arkansas • Los Angeles, California • Louisville, Kentucky + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2015 · Synced Sep 17, 2026, 5:15 AM EDT
Terminated Phase 2 Interventional Results available

Metformin and Carbohydrate Restriction With Platinum Based Chemotherapy In Stage IIIB/IV Non-Squamous Non-Small Cell Lung Cancer (NS-NSCLC)

NCT02019979
View directory record Official record
Conditions
Non-small Cell Lung Cancer Stage IIIB/IV, Non-small Cell Lung Cancer Metastatic, Nonsquamous Nonsmall Cell Neoplasm of Lung
Interventions
metformin, carbohydrate restricted diet
Drug · Behavioral
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
4
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 3, 2018 · Synced Sep 17, 2026, 5:15 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 17, 2026, 5:15 AM EDT
Terminated Phase 2 Interventional Results available

Metformin as an Upstream Therapy in Atrial Fibrillation

NCT02931253
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Metformin
Drug
Lead sponsor
The Guthrie Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Sayre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 24, 2024 · Synced Sep 17, 2026, 5:15 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 10, 2023 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Insulin Resistance and Testosterone in Women

NCT00123110
View directory record Official record
Conditions
Insulin Resistance, Postmenopause
Interventions
metformin, leuprolide injection, placebo pill, placebo injection
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years to 79 Years · Female only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 22, 2019 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 4 Interventional Results available

Durability of Combination Therapy With Exenatide/Pioglitazone/Metformin vs. Conventional Therapy in New Onset T2DM

NCT01107717
View directory record Official record
Conditions
Diabetes
Interventions
metformin\pioglitazone\exenatide, metformin, glyburide and glargine
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 80 Years
Enrollment
318 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 4, 2024 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Assessing the PK and Effect on Glucose and GI Hormone Concentrations of Metformin Delayed-Release in Subjects With T2DM

NCT01677299
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
EFB0027 (metformin delayed release), EFB0026 (metformin immediate-release)
Drug
Lead sponsor
Elcelyx Therapeutics, Inc.
Industry
Eligibility
19 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
2
States / cities
Tempe, Arizona • Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 2 Interventional Results available

Metformin for Preventing Frailty in High-risk Older Adults

NCT02570672
View directory record Official record
Conditions
Frailty
Interventions
Metformin, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
65 Years to 90 Years
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 4 Interventional Results available

Effect of Liraglutide on Epicardial Fat in Subjects With Type 2 Diabetes

NCT02014740
View directory record Official record
Conditions
Type 2 Diabetes, Overweight, Obesity
Interventions
Liraglutide, Metformin
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 5, 2019 · Synced Sep 17, 2026, 5:15 AM EDT