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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Metformin ER Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Relative Bioavailability Study of Metformin HCl 750 mg ER Tablets Under Non-fasting Conditions

NCT00865852
View directory record Official record
Conditions
Healthy
Interventions
Metformin HCl 750 mg Extender Release tablets, single dose, GLUCOPHAGE® XR 750 mg tablets, single dose
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 16, 2010 · Synced Sep 27, 2026, 10:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Relative Bioavailability Study of Metformin HCl 500 mg ER Tablets Under Fasting Conditions

NCT00865748
View directory record Official record
Conditions
Healthy
Interventions
Metformin HCl 500 mg tablets, single dose, CLUCOPHAGE® XR 500 mg tablets, single dose
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 16, 2010 · Synced Sep 27, 2026, 10:31 AM EDT
Terminated Phase 1 Interventional

Temozolomide, Memantine Hydrochloride, Mefloquine, and Metformin Hydrochloride in Treating Patients With Glioblastoma Multiforme After Radiation Therapy

NCT01430351
View directory record Official record
Conditions
Glioblastoma, Gliosarcoma, Supratentorial Glioblastoma
Interventions
Mefloquine, Memantine Hydrochloride, Metformin Hydrochloride, Temozolomide
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Sep 27, 2026, 10:31 AM EDT
Recruiting Phase 3 Interventional

MetfOrmin BenefIts Lower Extremities With Intermittent Claudication

NCT05132439
View directory record Official record
Conditions
Intermittent Claudication
Interventions
Metformin ER, placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years to 89 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 27, 2026, 10:31 AM EDT
Active, not recruiting Phase 2 Interventional

Metformin and Nightly Fasting in Women With Early Breast Cancer

NCT05023967
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Breast Ductal Carcinoma In Situ, Invasive Breast Carcinoma
Interventions
Biospecimen Collection, Extended Release Metformin Hydrochloride, Monitoring, Nutritional Assessment, Short-Term Fasting
Procedure · Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 4, 2026 · Synced Sep 27, 2026, 10:31 AM 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 27, 2026, 10:31 AM EDT
Completed Phase 1 Interventional

Metformin Hydrochloride and Ritonavir in Treating Patients With Relapsed or Refractory Multiple Myeloma or Chronic Lymphocytic Leukemia

NCT02948283
View directory record Official record
Conditions
Anemia, Fatigue, Fever, Lymphadenopathy, Lymphocytosis, Night Sweats, Recurrent Chronic Lymphocytic Leukemia, Recurrent Plasma Cell Myeloma, Refractory Chronic Lymphocytic Leukemia, Refractory Plasma Cell Myeloma, Splenomegaly, Thrombocytopenia, Weight Loss
Interventions
Laboratory Biomarker Analysis, Metformin Hydrochloride, Pharmacological Study, Ritonavir, Quality-of-Life, Questionnaire
Other · Drug
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Sep 27, 2026, 10:31 AM EDT
Terminated Phase 3 Interventional Results available

REMAP Trial for Optimizing Surgical Outcomes at UPMC

NCT03861767
View directory record Official record
Conditions
Aging
Interventions
Metformin ER, Placebo
Drug
Lead sponsor
Matthew Neal MD
Other
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced Sep 27, 2026, 10:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Food BE Study Metformin Hydrochloride ER Tablets 500 mg and Glucophage XR 500 mg

NCT00649948
View directory record Official record
Conditions
Healthy
Interventions
Metformin Hydrochloride ER Tablets 500 mg, Glucophage XR 500 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 27, 2026, 10:31 AM EDT
Completed Early Phase 1 Interventional Results available

Metformin Hydrochloride in Affecting Cytokines and Exosomes in Patients With Head and Neck Cancer

NCT03109873
View directory record Official record
Conditions
Larynx, Lip, Oral Cavity, Pharynx
Interventions
External Beam Radiation Therapy, Metformin Hydrochloride, Placebo
Radiation · Drug · Other
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years to 90 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Sep 27, 2026, 10:31 AM EDT
Not listed Phase 2Phase 3 Interventional Results available

Paclitaxel and Carboplatin With or Without Metformin Hydrochloride in Treating Patients With Stage III, IV, or Recurrent Endometrial Cancer

NCT02065687
View directory record Official record
Conditions
Endometrial Adenocarcinoma, Endometrial Clear Cell Adenocarcinoma, Endometrial Serous Adenocarcinoma, Endometrial Undifferentiated Carcinoma, Recurrent Uterine Corpus Carcinoma, Stage III Uterine Corpus Cancer AJCC v7, Stage IIIA Uterine Corpus Cancer AJCC v7, Stage IIIB Uterine Corpus Cancer AJCC v7, Stage IIIC Uterine Corpus Cancer AJCC v7, Stage IV Uterine Corpus Cancer AJCC v7, Stage IVA Uterine Corpus Cancer AJCC v7, Stage IVB Uterine Corpus Cancer AJCC v7
Interventions
Carboplatin, Laboratory Biomarker Analysis, Metformin Hydrochloride, Paclitaxel, Placebo Administration, Quality-of-Life Assessment, Questionnaire Administration
Drug · Other
Lead sponsor
Gynecologic Oncology Group
Network
Eligibility
18 Years and older · Female only
Enrollment
469 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
431
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 298 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2021 · Synced Sep 27, 2026, 10:31 AM EDT
Not listed Phase 2Phase 3 Interventional

Impact of Metformin on Immuno-virologic Parameters in HIV

NCT04500678
View directory record Official record
Conditions
HIV/AIDS
Interventions
Metformin
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
40 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Aug 4, 2020 · Synced Sep 27, 2026, 10:31 AM EDT
Completed Phase 1 Interventional

Metformin, Nelfinavir, and Bortezomib in Treating Patients With Relapsed and/or Refractory Multiple Myeloma

NCT03829020
View directory record Official record
Conditions
Recurrent Plasma Cell Myeloma, Refractory Plasma Cell Myeloma
Interventions
Bortezomib, Metformin Hydrochloride, Nelfinavir Mesylate
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Sep 27, 2026, 10:31 AM EDT
Not listed Phase 2 Interventional Results available

Nivolumab and Metformin Hydrochloride in Treating Patients With Stage III-IV Non-small Cell Lung Cancer That Cannot Be Removed by Surgery

NCT03048500
View directory record Official record
Conditions
Recurrent Non-Small Cell Lung Carcinoma, Stage III Non-Small Cell Lung Cancer, Stage IIIA Non-Small Cell Lung Cancer, Stage IIIB Non-Small Cell Lung Cancer, Stage IV Non-Small Cell Lung Cancer
Interventions
Laboratory Biomarker Analysis, Metformin Hydrochloride, Nivolumab
Other · Drug · Biological
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Chicago, Illinois • Lake Forest, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 13, 2020 · Synced Sep 27, 2026, 10:31 AM EDT
Completed Phase 1 Interventional

The Impact of Obesity and Obesity Treatments on Breast Cancer

NCT00933309
View directory record Official record
Conditions
Breast Cancer
Interventions
Exemestane, Avandamet
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 18, 2016 · Synced Sep 27, 2026, 10:31 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Combining Pembrolizumab and Metformin in Metastatic Head and Neck Cancer Patients

NCT04414540
View directory record Official record
Conditions
Head and Neck Squamous Cell Carcinoma
Interventions
Metformin Extended Release Oral Tablet, Pembrolizumab
Drug
Lead sponsor
Trisha Wise-Draper
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 27, 2026, 10:31 AM EDT
Completed No phase listed Observational

Dapagliflozin Patient Satisfaction Survey

NCT02805283
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Not listed
Lead sponsor
AstraZeneca
Industry
Eligibility
Not listed
Enrollment
653 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Eden Prairie, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 29, 2019 · Synced Sep 27, 2026, 10:31 AM EDT
Recruiting Early Phase 1 Interventional

Relying on Pharmacotherapy to Improve Motor Gains in Chronic Stroke Survivors

NCT07588932
View directory record Official record
Conditions
Stroke
Interventions
Telmisartan, Metformin, Cilostazol
Drug
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
21 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 27, 2026, 10:31 AM EDT
Terminated Phase 2 Interventional Results available

Metformin for Reduction of Paclitaxel-Related Neuropathy in Patients With Breast Cancer

NCT02360059
View directory record Official record
Conditions
Breast Cancer
Interventions
Metformin, Placebo, Questionnaires, Sensory and Fine-Motor Tests
Drug · Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 74 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2017 · Synced Sep 27, 2026, 10:31 AM EDT
Active, not recruiting Not applicable Interventional

Changing the Natural History of Type 2 Diabetes ("CHANGE" Study)

NCT05040087
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Intensification of diabetes medication based largely on HbA1c levels, Intensification of diabetes medication based on glucose levels
Other
Lead sponsor
Foundation for Atlanta Veterans Education and Research, Inc.
Other
Eligibility
40 Years to 75 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 27, 2026, 10:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Relative Bioavailability Study of Metformin HCl 500 mg ER Tablets Under Non-fasting Conditions

NCT00864669
View directory record Official record
Conditions
Healthy
Interventions
Metformin HCl 500 mg tablets, single dose, CLUCOPHAGE® XR 500 mg tablets, single dose
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 16, 2010 · Synced Sep 27, 2026, 10:31 AM EDT
Completed Phase 4 Interventional

Tolerance & Responsiveness Improvement for Metformin (TRIM)

NCT03670043
View directory record Official record
Conditions
Type2 Diabetes Mellitus
Interventions
Psyllium powder, Metformin Extended Release Oral Tablet
Drug
Lead sponsor
West Side Institute for Science and Education
Other
Eligibility
20 Years to 70 Years · Male only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 9, 2021 · Synced Sep 27, 2026, 10:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Fasting Study of Metformin Hydrochloride ER Tablets 750 mg and Glucophage® XR Tablets 750 mg

NCT00648518
View directory record Official record
Conditions
Healthy
Interventions
Metformin Hydrochloride ER Tablets 750 mg, Glucophage® XR Tablets 750 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 27, 2026, 10:31 AM EDT
Active, not recruiting Phase 2 Interventional

Megestrol Acetate Compared With Megestrol Acetate and Metformin to Prevent Endometrial Cancer

NCT04576104
View directory record Official record
Conditions
Endometrial Atypical Hyperplasia/Endometrioid Intraepithelial Neoplasia, Endometrial Carcinoma
Interventions
Biopsy Procedure, Extended Release Metformin Hydrochloride, Megestrol Acetate, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
8
States / cities
Los Angeles, California • Denver, Colorado • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 27, 2026, 10:31 AM EDT