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ClinicalTrials.gov public records Last synced Sep 27, 2026, 4:35 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Chronic Obstructive Pulmonary Disease, Muscle Wasting
Interventions
Olive oil, Fish oil, Fish oil and placebo
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
College Station, Texas
Conditions
Barrett's Esophagus, Obesity
Interventions
Omega-3 polyunsaturated fatty acids, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Polycystic Ovarian Syndrome
Interventions
Flax Seed Oil, Fish Oil, Soybean Oil
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Sacramento, California
Completed Not applicable Interventional Accepts healthy volunteers

Method of Fish Oil Administration on Patient Compliance

NCT01471366
Conditions
Adverse Effects
Interventions
Frozen capsule, Capsule with food, Capsule without food, Capsule with milk
Dietary Supplement
Lead sponsor
University of Mississippi, Oxford
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Jackson, Mississippi
Not listed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of Omega-3 Fatty Acids on Metabolic Syndrome

NCT00350194
Conditions
Metabolic Syndrome X
Interventions
Omega-3 fatty acids
Dietary Supplement
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers Results available

Vitamin D and Omega-3 Trial (VITAL)

NCT01169259
Conditions
Cancer, Cardiovascular Disease
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
25,871 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Not listed Not applicable Interventional Accepts healthy volunteers Results available

Age-related Macular Degeneration (AMD) in the Vitamin D and Omega-3 Trial (VITAL)

NCT01782352
Conditions
Age-related Macular Degeneration
Interventions
Omega-3 fatty acids (fish oil), Vitamin D3, Vitamin D3 placebo, Fish oil placebo
Drug · Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
25,871 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Attention Deficit Disorder
Interventions
DHA Omega-3, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
5 Years to 15 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Anxiety, Anorexia Nervosa
Interventions
Fish oil, Placebo pill
Drug
Lead sponsor
Andrea Bonny
Other
Eligibility
12 Years to 21 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Atrial Fibrillation
Interventions
Fish oil, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Recruiting Not applicable Interventional Accepts healthy volunteers

Omega-3 Fatty Acids and Subconcussive Head Impacts

NCT06736925
Conditions
Subconcussive Head Impact, Omega-3 Fatty Acids
Interventions
Omega-3 Fatty Acids (EPA plus DHA), Organic soybean oil, Soccer Heading Model
Dietary Supplement · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 30 Years
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Bloomington, Indiana
Conditions
Obesity
Interventions
light olive oil, fish oil capsules, flax seed oil capsules
Dietary Supplement
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Syracuse, New York
Conditions
Mood Disturbance, Mood Disorders, Natural Supplements, Alternative Treatment
Interventions
Open-label Treatment with Omega-3 Fatty Acids + Inositol, Open-label Treatment with N-acetylcysteine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
5 Years to 17 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

The Effects of Omega-3 Fatty Acids on Aspirin Resistance

NCT00771914
Conditions
Increased Drug Resistance
Interventions
Aspirin, Lovaza, Both Aspirin and Lovaza, Placebo
Drug · Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 50 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Rochester, New York
Completed Not applicable Interventional

Breast, Omega 3 Free Fatty Acid, Ph 0

NCT02996240
Conditions
Breastcancer
Interventions
Omega-3 FFA
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 99 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
San Antonio, Texas
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
Conditions
Schizophrenia, Fatty Acid Deficiency
Interventions
Omega-3 Fatty Acids, Olive oil placebo, EPA fish oil concentrate; DHA fish oil concentrate, Placebo
Dietary Supplement · Other · Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
8 Years to 25 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Bone Density, Bone Health, Fractures
Interventions
Vitamin D3 placebo, Fish oil placebo, Omega-3 fatty acids (fish oil), Vitamin D3
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
25,871 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Schizophrenia, Schizoaffective Disorder, Major Depression, Bipolar Disorder, Coronary Artery Disease
Interventions
Eicosapentaenoic acid (omega-3 fatty acid), Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Effects of DHA on Periodontitis

NCT01976806
Conditions
Periodontitis, Gingivitis, Inflammation
Interventions
Aspirin, Docosahexaenoic acid, Placebo (for Docosahexaenoic acid)
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
40 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Diabetes
Interventions
Vitamin D, Omega-3 fatty acids (fish oil), Vitamin D placebo, Fish oil placebo
Dietary Supplement · Drug
Lead sponsor
University of Washington
Other
Eligibility
50 Years and older
Enrollment
1,312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Pediatric Bipolar Disorder
Interventions
Aripiprazole, fish oil, Placebo
Drug · Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 17 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Cambridge, Massachusetts
Conditions
Bipolar Disorder
Interventions
Micronutrient & Fish oil, Olive oil & Safflower oil
Dietary Supplement
Lead sponsor
Eastern Maine Medical Center
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Bangor, Maine
Conditions
Hypertriglyceridemia
Interventions
Lovaza
Drug
Lead sponsor
Sanford Research
Other
Eligibility
18 Years to 79 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Sioux Falls, South Dakota