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Showing 1–24 of 143 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Omega-3 fatty acid supplement Clear all
Active, not recruiting Not applicable Interventional Results available

Omega Tots Long Term Follow-up

NCT05191823
View directory record Official record
Conditions
Preterm Birth, Child Development
Interventions
Docosahexaenoic Acid + Arachidonic Acid (DHA+AA), Placebo
Drug · Dietary Supplement
Lead sponsor
Sarah Keim
Other
Eligibility
8 Years to 10 Years
Enrollment
377 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 25, 2026, 10:58 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Efficacy of Diet on Quality of Life in Multiple Sclerosis

NCT05007483
View directory record Official record
Conditions
Multiple Sclerosis, Relapsing-Remitting
Interventions
BodyBio Balance Oil, Kirunal Fish Oil, BodyBio PC, Modified Paleolithic Elimination diet, Time Restricted Olive Oil Based (TROO) Ketogenic Diet, Usual diet with Dietary Guidelines for Americans Diet information
Dietary Supplement · Behavioral
Lead sponsor
Terry L. Wahls
Other
Eligibility
18 Years to 70 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 25, 2026, 10:58 PM EDT
Terminated Phase 4 Interventional Results available

Effects of Supplementation With PUFAs and Antioxidants for Contact Lens Discomfort

NCT04163328
View directory record Official record
Conditions
Dry Eye, Contact Lens Complication
Interventions
HydroEye®
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Assessment of DHA On Reducing Early Preterm Birth

NCT02626299
View directory record Official record
Conditions
Preterm Birth
Interventions
Docosahexaenoic acid - 800mg/day, Docosahexaenoic acid - 200mg/day, Placebo
Drug · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
1,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
3
States / cities
Kansas City, Kansas • Cincinnati, Ohio • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 29, 2021 · Synced Sep 25, 2026, 10:58 PM EDT
Not listed Phase 2Phase 3 Interventional

The Influence of PRN Omega-3 Nutritional Supplement on Visual Acuity

NCT02260973
View directory record Official record
Conditions
Cataract, Dry Eye Disease
Interventions
Omega-3 (Triglyceride form)
Dietary Supplement
Lead sponsor
Physician Recommended Nutriceuticals
Industry
Eligibility
30 Years to 90 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
Lexington, Kentucky • Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 3, 2016 · Synced Sep 25, 2026, 10:58 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Effects of Vitamin D and Omega-3 Supplementation on Telomeres in VITAL

NCT04386577
View directory record Official record
Conditions
Aging
Interventions
Vitamin D3 (cholecalciferol), fish oil
Dietary Supplement · Drug
Lead sponsor
Augusta University
Other
Eligibility
50 Years and older
Enrollment
1,054 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Sep 25, 2026, 10:58 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Investigational Study of Oral Fish Oil in Treating Parenteral Nutrition Associated Liver Disease

NCT01191177
View directory record Official record
Conditions
Liver Disease, Short Bowel Syndrome
Interventions
Lovaza (omega-3-acid ethyl ester), Corn oil
Drug · Dietary Supplement
Lead sponsor
Boston Children's Hospital
Other
Eligibility
30 Days to 21 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 21, 2017 · Synced Sep 25, 2026, 10:58 PM EDT
Recruiting Early Phase 1 Interventional

Differential Thrombogenesis by EPA and DHA Mediated by HDL

NCT06494488
View directory record Official record
Conditions
Lipid Metabolism Disorders, Hypertriglyceridemia
Interventions
EPA, DHA
Drug
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 69 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Not applicable Interventional

Correlative Analysis of the Genomics of Vitamin D and Omega-3 Fatty Acid Intake in Prostate Cancer

NCT03290417
View directory record Official record
Conditions
Prostate Cancer
Interventions
Vitamin D, Omega-3, Turmeric
Dietary Supplement
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
Male only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 17, 2020 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Phase 3 Interventional Results available

Omega-3 Fatty Acids to Improve Depression and Reduce Cardiovascular Risk Factors

NCT00116857
View directory record Official record
Conditions
Cardiovascular Diseases, Depression, Heart Diseases, Myocardial Infarction, Angina, Unstable
Interventions
Sertraline/omega-3, Sertraline/Corn Oil
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 11, 2012 · Synced Sep 25, 2026, 10:58 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Therapeutic Omegas for Triglyceride Suppression

NCT04349475
View directory record Official record
Conditions
Pregnancy
Interventions
Intervention Omega 3 Supplementation, Placebo Soybean Oil
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
0 Years to 39 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
2
States / cities
Aurora, Colorado • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 25, 2026, 10:58 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Feasibility Pilot Clinical Trial of Omega-3 Supplement vs. Placebo for Post Covid-19 Recovery Among Health Care Workers

NCT05121766
View directory record Official record
Conditions
COVID-19
Interventions
Omega-3 (EPA+DHA), Placebo
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 89 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Edison, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of a Nutritional Supplement on Metabolic Health

NCT02239198
View directory record Official record
Conditions
Cardiovascular Disease Prevention
Interventions
Nutrition bar
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Not applicable Interventional

A Nutritional Intervention for Arthritis

NCT01544101
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Vegan Diet, dietary supplement omega3 fatty acids aand vitamins
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 18, 2012 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Fish Oil (Omega 3), Immune Function, and Mood

NCT00385723
View directory record Official record
Conditions
Inflammation
Interventions
Omega 3 (Fish Oil) Supplementation, Placebo
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
40 Years to 88 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 19, 2012 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of Two Different Forms of Marine Oil on Indirect Markers of Muscle Damage and Soreness in Untrained Men

NCT03760757
View directory record Official record
Conditions
Inflammation; Muscle
Interventions
ESPO-572®, PCSO-524®
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Early Phase 1 Interventional

Oral Supplementation to Enhance Recovery Pilot Study

NCT03204266
View directory record Official record
Conditions
Malignant Neoplasms of Urinary Tract
Interventions
Arginine recovery supplement, Omega-3 Fatty Acids
Drug · Dietary Supplement
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Early Phase 1 Interventional

Omega-3 Fatty Acids That Affect the Immune System in Kidney Transplant Patients

NCT00047983
View directory record Official record
Conditions
Kidney Diseases
Interventions
Canola oil, Arginine, Fish oil emulsion
Dietary Supplement
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
4 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ranger Resilience and Improved Performance on Phospholipid Bound Omega-3's

NCT02908932
View directory record Official record
Conditions
Nutrition, Fatty Acids, Omega-3, Cognition, Resilience, Psychological, Psychology, Military
Interventions
Phospholipid-bound omega-3 supplement, Placebo supplement
Dietary Supplement
Lead sponsor
Medical University of South Carolina
Other
Eligibility
Not listed
Enrollment
555 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
3
States / cities
Fort Benning, Georgia • Bethesda, Maryland • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 25, 2026, 10:58 PM EDT
Recruiting Phase 2 Interventional

FAST for DM - Fatty Acid Supplementation Trial (FAST) for Dermatomyositis (DM)

NCT07111065
View directory record Official record
Conditions
Dermatomyositis (DM), Juvenile Dermatomyositis (JDM)
Interventions
FISH OIL 500MG OMEGA-3 SOFT GEL MINIS, Placebo
Dietary Supplement
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Phase 1 Interventional Results available

Reducing Dyskinesia in Parkinson's Disease With Omega-3 Fatty Acids

NCT01563913
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Docosahexaenoic Acid (DHA), Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years to 99 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 28, 2018 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Not applicable Interventional

Memory Improvement With Docosahexaenoic Acid Study (MIDAS)

NCT00278135
View directory record Official record
Conditions
Age-Related Cognitive Decline, Age-Related Memory Disorders
Interventions
DHA (nutritional supplement) or placebo
Dietary Supplement
Lead sponsor
dsm-firmenich Switzerland AG
Industry
Eligibility
55 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
14
States / cities
Mesa, Arizona • San Diego, California • Vista, California + 11 more
Source: ClinicalTrials.gov public record
Updated May 18, 2014 · Synced Sep 25, 2026, 10:58 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Toxicity and Safety Evaluation of an Omega-3 Fatty Acid and a Multivitamin and Antioxidant Nutritional Preparation

NCT01221714
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
AmeriSciences LP
Industry
Eligibility
21 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Pearl, Mississippi • Charlotte, North Carolina • Logan, West Virginia
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Sep 25, 2026, 10:58 PM EDT
Completed Phase 2 Interventional

Effect of a Mediterranean Diet and Omega-3 Fatty Acids on Oxidative Stress and Endothelial Progenitor Cells (EPC's)

NCT00166088
View directory record Official record
Conditions
Obesity
Interventions
Mediterranean Diet, Mediterranean Dietary Supplement
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
40 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 17, 2013 · Synced Sep 25, 2026, 10:58 PM EDT