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ClinicalTrials.gov public records Last synced Oct 9, 2026, 3:59 PM EDT

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Showing 97–120 of 529 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: omega-3 fatty acid Clear all
Completed Not applicable Interventional Results available

Vascular and Lipid Effects of Omega-3 Fatty Acids in People With Moderately Elevated Triglycerides

NCT00504309
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
4/day of 4g P-OM3 capsules, 4/day of 1g P-OM3 capsules, Corn Oil Placebo, 4 capsules/day for 8 weeks
Drug
Lead sponsor
Penn State University
Other
Eligibility
21 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 13, 2018 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Phase 2 Interventional Results available

Fatty Acid Supplementation in Children With ASD

NCT03550209
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
LCPUFA Oil Supplement, Canola Oil Placebo
Drug · Dietary Supplement
Lead sponsor
Sarah Keim
Other
Eligibility
2 Years to 6 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 3, 2021 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Phase 3 Interventional

TREND-HD - A Trial of Ethyl-EPA (Miraxion™) in Treating Mild to Moderate Huntington's Disease

NCT00146211
View directory record Official record
Conditions
Huntington Disease
Interventions
Ethyl-EPA (Miraxion™)
Drug
Lead sponsor
Amarin Neuroscience Ltd
Industry
Eligibility
35 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
35
States / cities
Birmingham, Alabama • Scottsdale, Arizona • La Jolla, California + 31 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2007 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Not applicable Interventional

Omega-3 Fatty Acids in Preventing Joint Symptoms in Patients With Stage I-III Breast Cancer Receiving Anastrozole, Exemestane, or Letrozole

NCT01478477
View directory record Official record
Conditions
Recurrent Breast Cancer, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
omega-3 fatty acid supplement, Placebo, Clinical assessments, Assessment of therapy complications, Magnetic Resonance Imaging, Correlative/special studies
Dietary Supplement · Other · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Phase 2Phase 3 Interventional

Omega 3 Fish Oil Supplements vs. Placebo for Patients With Non-alcoholic Steatohepatitis (NASH)

NCT00681408
View directory record Official record
Conditions
Non-alcoholic Steatohepatitis, Fatty Liver
Interventions
Omega 3 Fish Oil supplements, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
21 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 29, 2015 · Synced Oct 9, 2026, 3:59 PM EDT
Withdrawn Phase 1Phase 2 Interventional Accepts healthy volunteers

Docosahexaenoic Acid (DHA) Supplementation in Amblyopia

NCT03402789
View directory record Official record
Conditions
Amblyopia
Interventions
Docosahexaenoic Acid, Placebo Oral Tablet
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
3 Years to 17 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 9, 2024 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Phase 2 Interventional

Nutrition Intervention to Decrease Symptoms in Patients With Heart Failure

NCT01733017
View directory record Official record
Conditions
Heart Failure
Interventions
Sodium reduction, omega 3 and lycopene supplements, rice bran oil capsules, Generic dietary feedback from
Behavioral · Dietary Supplement
Lead sponsor
Terry Lennie
Other
Eligibility
21 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
2
States / cities
Lexington, Kentucky • Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 17, 2017 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Phase 2 Interventional Results available

Pilot Placebo Controlled Study With Lovaza in Cardiovascular Disease

NCT01001767
View directory record Official record
Conditions
HIV Infections, Heart Disease
Interventions
Lovaza, Placebo
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 7, 2015 · Synced Oct 9, 2026, 3:59 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 22, 2017 · Synced Oct 9, 2026, 3:59 PM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

SMOFlipid to Lessen the Severity of Neonatal Cholestasis

NCT02721277
View directory record Official record
Conditions
Cholestasis, Jaundice, Obstructive
Interventions
SMOFlipid
Drug
Lead sponsor
University of Florida
Other
Eligibility
23 Weeks to 1 Year
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Oct 9, 2026, 3:59 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Vitamin D and Omega-3 Fatty Acids on Infectious Diseases and hCAP18 (VITAL Infection)

NCT01758081
View directory record Official record
Conditions
Infections, Human Cathelicidin Antimicrobial Peptide (hCAP-18)
Interventions
vitamin D3, omega-3 fatty acids (fish oil), Vitamin D3 placebo, fish oil placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
25,874 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Not applicable Interventional

A Nutrition Intervention for Arthritis -3 (WCCR-ARTH3)

NCT03417648
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Plant-based diet, Supplement
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 90 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Oct 9, 2026, 3:59 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Low Dose Tamoxifen With or Without Omega-3 Fatty Acids for Breast Cancer Risk Reduction

NCT06195306
View directory record Official record
Conditions
Breast Atypical Hyperplasia, Breast Carcinoma, Breast Ductal Carcinoma In Situ, Breast Lobular Carcinoma In Situ
Interventions
Biospecimen Collection, Mammography, Omega-3-Acid Ethyl Esters, Questionnaire Administration, Random Periareolar Fine-Needle Aspiration, Tamoxifen
Procedure · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
45 Years to 74 Years · Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
3
States / cities
Kansas City, Kansas • Ann Arbor, Michigan • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of a Prescription Omega-3 Fatty Acid Concentrate on Induced Inflammation

NCT01813110
View directory record Official record
Conditions
Inflammatory Responses
Interventions
4 g prescription omega-3 concentrate, Placebo
Drug
Lead sponsor
Penn State University
Other
Eligibility
20 Years to 45 Years · Male only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Omega-3 Fatty Acids and Insulin Sensitivity

NCT01686568
View directory record Official record
Conditions
Insulin Resistance
Interventions
Omega-3, placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 3, 2017 · Synced Oct 9, 2026, 3:59 PM EDT
Terminated Phase 3 Interventional

Safety & Efficacy of Omega-3 Fish Oil in Overweight Children & Adolescents

NCT00447291
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Supplement: Omega-3 Fish Oil, Multi-Disciplinary Nutrition & Exercise program
Drug · Behavioral
Lead sponsor
Children's Heart Center
Industry
Eligibility
8 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jan 27, 2011 · Synced Oct 9, 2026, 3:59 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Bioavailability of EPA and DHA From Two Dietary Supplements

NCT01908374
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
DHA-rich fish oil versus Phospholipid-rich fish oil
Dietary Supplement
Lead sponsor
Arctic Nutrition AS
Industry
Eligibility
18 Years to 59 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 25, 2013 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Not applicable Interventional Results available

Physiological Effects of Nutritional Support in Patients With Parkinson's Disease

NCT02445651
View directory record Official record
Conditions
Parkinson Disease, Idiopathic Parkinson Disease
Interventions
Intravenous and Oral n-acetyl cysteine, Control group, Oral Supplements: Baicalin, Ganoderma, Omega 3 and Curcumin
Dietary Supplement · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
30 Years to 80 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Efficacy of Fish Oil or Olive Oil Supplementation on the Health Effects of Ozone Exposure in Healthy Young Subjects

NCT03395119
View directory record Official record
Conditions
Healthy, Dietary Supplement
Interventions
Ozone, Fish Oil, Olive Oil
Drug · Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 15, 2021 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Fish Oil and Green Tea Extract in Preventing Prostate Cancer in Patients Who Are at Risk for Developing Prostate Cancer

NCT00253643
View directory record Official record
Conditions
Precancerous Condition, Prostate Cancer
Interventions
green tea catechin extract, fish oil, placebo
Dietary Supplement · Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
21 Years to 120 Years · Male only
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
3
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 18, 2017 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Not applicable Interventional

Dietary Intervention Increasing Omega-3 Intake

NCT03806868
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
voucher for ordering foods (ONLY omega-3 rich foods), voucher for ordering foods in general (any type of foods)
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
40 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2020 · Synced Oct 9, 2026, 3:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Plasma Neurofilament Light and Its Relationship With Omega-3 Status and Soccer Heading in Women Soccer Players

NCT05457023
View directory record Official record
Conditions
Brain Trauma
Interventions
Plasma Neurofilament Light (NF-L), Omega-3 Index, HeadCount Questionnaire
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 13, 2023 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Phase 3 Interventional Results available

Evaluation of Efficacy and Safety of Lovaza (Omega-3-Acid Ethyl Esters) in Recurrent, Symptomatic Atrial Fibrillation

NCT00402363
View directory record Official record
Conditions
Fibrillation, Atrial
Interventions
omega-3-acid ethyl esters, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
663 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
178
States / cities
Birmingham, Alabama • Huntsville, Alabama • Anchorage, Alaska + 149 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2017 · Synced Oct 9, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Fat, Eicosanoids and Breast Cancer Risk

NCT01824498
View directory record Official record
Conditions
Breast Cancer
Interventions
Low Fat diet, Low Fat high n3 diet, High Fat Diet
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
40 Years to 70 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 31, 2018 · Synced Oct 9, 2026, 3:59 PM EDT