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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Methionine Clear all
Terminated No phase listed Observational

Methionine and PBR28-PET (Peripheral Benzodiazepine Receptors) in Brain Metastases Following Radiosurgery

NCT02433171
View directory record Official record
Conditions
Brain Metastasis
Interventions
Standard of Care FDG-PET Imaging
Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 27, 2019 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Phase 2 Interventional

Randomized, Controlled Trial of S-adenosylmethionine in Alcoholic Liver Disease

NCT00851981
View directory record Official record
Conditions
Alcoholic Hepatitis
Interventions
Placebo, SAMe
Other · Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Sep 12, 2010 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Not applicable Interventional

Treating Oxidative Stress in Children With Autism

NCT00692315
View directory record Official record
Conditions
Autistic Disorder
Interventions
Methylcobalamin (methylB12)
Drug
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
3 Years to 7 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

Optimizing the Effectiveness of Selective Serotonin Reuptake Inhibitors (SSRIs) in Treatment-Resistant Depression

NCT00093847
View directory record Official record
Conditions
Depression
Interventions
S-adenosyl methione (SAMe), Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 12, 2014 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Phase 3 Interventional Results available

Efficacy Study Of Tofacitinib In Pediatric JIA Population

NCT02592434
View directory record Official record
Conditions
Juvenile Idiopathic Arthritis
Interventions
CP-690,550 (tofacitinib), placebo
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
2 Years to 17 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
55
States / cities
Little Rock, Arkansas • Loma Linda, California • Los Angeles, California + 24 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2020 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Not applicable Interventional Results available

Evaluation of S-adenosyl Methionine (SAM-e) for Recurrent Abdominal Pain in Children

NCT00694564
View directory record Official record
Conditions
Abdominal Pain
Interventions
S-adenosyl methionine
Drug
Lead sponsor
Huang, Jeannie, M.D.
Individual
Eligibility
8 Years to 22 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 15, 2018 · Synced Sep 23, 2026, 10:15 AM EDT
Terminated Phase 2 Interventional

A Window of Opportunity Study of Methionine Deprivation in Triple Negative Breast Cancer

NCT03186937
View directory record Official record
Conditions
Breast Cancer, Triple Negative Breast Cancer
Interventions
hominex-2
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Selenium on Prostate Cancer Related Biomarkers

NCT01112449
View directory record Official record
Conditions
Effect of Selenium on Oxidative Stress in Healthy Men
Interventions
Placebo, selenomethionine, low dose selenized-yeast, high dose selenized-yeast
Other · Dietary Supplement
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
20 Years to 79 Years · Male only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2015 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Phase 3 Interventional

S-Adenosylmethionine Therapy for Non-Alcoholic Steatohepatitis

NCT00108589
View directory record Official record
Conditions
Hepatitis
Interventions
S-adenosylmethionine
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Phase 2Phase 3 Interventional Results available

ACTIV-2: A Study for Outpatients With COVID-19

NCT04518410
View directory record Official record
Conditions
Coronavirus, Covid19
Interventions
bamlanivimab 7000mg, BRII-196+BRII-198, AZD7442 (IV), AZD7442 (IM), SNG001, Camostat, BMS-986414 + BMS-986413, SAB-185 (3,840 Units/kg), SAB-185 (10,240 Units/kg), CASIRIVIMAB + IMDEVIMAB, Placebo for Bamlanivimab 7000mg, Placebo for Bamlanivimab 700mg, Placebo for BRII-196+BRII-198, Placebo for SNG001, Placebo for Camostat, Placebo for SAB-185 (low dose), Placebo for BMS-986414 + BMS-986413, Placebo for AZD7442 (IV), Placebo for AZD7442 (IM), Placebo for SAB-185 (high dose), bamlanivimab 700mg
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
4,044 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
207
States / cities
Anniston, Alabama • Athens, Alabama • Birmingham, Alabama + 143 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2024 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Phase 4 Interventional

S-Asenosyl-L-Methionine vs Placebo for Osteoarthritis of the Hands

NCT05363020
View directory record Official record
Conditions
Osteoarthritis Hand
Interventions
S-Adenosyl-L-Methionine (Sam-E), Placebo
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
40 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Not applicable Interventional Results available

Examination of Zinc, S-adenosylmethionine, and Combination Therapy Versus Placebo in Alcoholics

NCT01899521
View directory record Official record
Conditions
Alcoholism
Interventions
Bronchoscopy, Zinc sulfate 220 mg once daily, S-adenosylmethionine 400 mg twice daily
Procedure · Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 60 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 23, 2026, 10:15 AM EDT
Completed No phase listed Observational

Methionine Metabolism in Parenterally Fed Pediatric Sepsis

NCT01891682
View directory record Official record
Conditions
Sepsis, Critical Illness
Interventions
Observational
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
1 Month to 19 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Phase 1 Interventional

Multiparametric Imaging in Multiple Myeloma

NCT02646085
View directory record Official record
Conditions
Multiple Myeloma
Interventions
C11 Methionine positron emission tomography
Drug
Lead sponsor
Yingbing Wang
Other
Eligibility
40 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 15, 2021 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Phase 3 Interventional

Treatment of AIDS Vacuolar Myelopathy With Methionine

NCT00032695
View directory record Official record
Conditions
Myelopathy, AIDS-Myelopathy, AIDS Vacuolar Myelopathy
Interventions
methionine
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 80 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 14, 2006 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Not applicable Interventional Results available

Imaging Brain Tumors With FACBC and Methionine

NCT00597246
View directory record Official record
Conditions
Brain Cancer, CNS Cancer
Interventions
FACBC, Methionine, PET Scan
Drug · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

Effects and Safety of OPK-88003 Dose Escalation in Type 2 Diabetes Subjects

NCT03406377
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
OPK-88003, Placebo
Drug
Lead sponsor
OPKO Health, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
3
States / cities
Huntington Park, California • Los Angeles, California • Hialeah, Florida
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Not applicable Interventional

Evaluation of the Effects of Chemotherapy on the Uptake and Retention of Carbon 11 Methionine in Prostate Cancer Patients

NCT00139204
View directory record Official record
Conditions
Prostate Cancer
Interventions
C11 Methionine PET scan
Procedure
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 1, 2009 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Early Phase 1 Interventional

MET-PET for Newly Diagnosed Glioblastoma

NCT01867593
View directory record Official record
Conditions
Glioblastoma
Interventions
C-11 methionine PET
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 23, 2026, 10:15 AM EDT
Not listed Phase 2 Interventional

SurVaxM Plus Adjuvant Temozolomide for Newly Diagnosed Glioblastoma (SURVIVE)

NCT05163080
View directory record Official record
Conditions
Newly Diagnosed Glioblastoma
Interventions
SurVaxM
Biological
Lead sponsor
MimiVax, LLC
Industry
Eligibility
18 Years and older
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
11
States / cities
San Francisco, California • Miami, Florida • Louisville, Kentucky + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2024 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Not applicable Interventional Results available

Safety and Effectiveness of S-adenosyl-l-methionine (SAMe) for the Treatment of Major Depression

NCT00101452
View directory record Official record
Conditions
Depression
Interventions
S-adenosyl-l-methionine, Escitalopram, Placebo
Drug
Lead sponsor
Maurizio Fava, MD
Other
Eligibility
18 Years to 80 Years
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
2
States / cities
Boston, Massachusetts • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced Sep 23, 2026, 10:15 AM EDT
Not yet recruiting Early Phase 1 Interventional

hCG Treatment for Rehabilitation From a TBI

NCT07557615
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Ovidrel, Placebo
Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Not applicable Interventional

Researching Alveolar Macrophage Improvements With Supplements in HIV

NCT02264860
View directory record Official record
Conditions
HIV-1 Infection
Interventions
Zinc and SAMe
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
21 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Sep 23, 2026, 10:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Effects of Chemical Interactions in Toxicity

NCT00253773
View directory record Official record
Conditions
Oxidative Stress
Interventions
acetominophen, sulfer amino acids; cysteine and methionine
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 40 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 12, 2010 · Synced Sep 23, 2026, 10:15 AM EDT