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ClinicalTrials.gov public records Last synced Oct 6, 2026, 6:31 PM EDT

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Showing 73–96 of 98 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Omega 3 (Fish Oil) Supplementation Clear all
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Fish Oil Supplementation on Vocal Performance

NCT05141045
View directory record Official record
Conditions
Voice Range Profile, Reflux Symptom Index, Evaluation of Ability to Sing Easily, Body Composition
Interventions
omega-3 PUFA supplement, placebo
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 28 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Oct 6, 2026, 6:31 PM EDT
Terminated Phase 3 Interventional Results available

The Effect of Omega-3 Polyunsaturated Fatty Acids in Congestive Heart Failure

NCT00944229
View directory record Official record
Conditions
Heart Failure
Interventions
LOVAZA (Omega-3), Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 25, 2016 · Synced Oct 6, 2026, 6:31 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Academic Stress and Proinflammatory Cytokines: Omega-3 Intervention

NCT00519779
View directory record Official record
Conditions
Stress-related Changes in Inflammation
Interventions
omega-3 supplementation, Oral omega-3 fish oil placebo
Dietary Supplement
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 40 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 27, 2012 · Synced Oct 6, 2026, 6:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Docosahexenoic Acid (DHA) Supplementation and Cardiovascular Disease in Men With High Triglycerides

NCT00728338
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
Docosahexenoic acid (DHA), Olive oil
Dietary Supplement
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
39 Years to 66 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Aug 8, 2008 · Synced Oct 6, 2026, 6:31 PM EDT
Terminated Phase 2 Interventional

The Effect of Omega 3 Supplementation on Postoperative Delirium in Elderly Patients Undergoing Major Cardiac Surgery

NCT06434948
View directory record Official record
Conditions
Postoperative Delirium
Interventions
Omega-3 Ethyl Esters 4 g, Omega-3 Ethyl Esters 2 g
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
65 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 6, 2026, 6:31 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 6, 2026, 6:31 PM EDT
Completed Phase 3 Interventional Results available

Effect of High Dose Fish Oil Supplementation After Recent Heart Attack Using Magnetic Resonance Imaging

NCT00729430
View directory record Official record
Conditions
Myocardial Infarction, Death, Sudden, Cardiac
Interventions
Omega-3 Fatty Acids (Fish Oil Supplements), Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years and older
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Oct 6, 2026, 6:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega-3 Supplementation Decreases Inflammation and Fetal Obesity in Pregnancy

NCT00957476
View directory record Official record
Conditions
Inflammation, Obesity, Pregnancy, Fetal Growth
Interventions
Omega-3 Fish Oil
Dietary Supplement
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 3, 2018 · Synced Oct 6, 2026, 6:31 PM EDT
Completed Not applicable Interventional

The Effect of Supplemental Docosahexaenoic Acid (DHA) on Neurocognitive Outcomes in Teen and Adult Women With Phenylketonuria(PKU)

NCT00892554
View directory record Official record
Conditions
Phenylketonuria
Interventions
Docosahexaenoic Acid, Corn/soy oil
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
12 Years to 50 Years · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2015 · Synced Oct 6, 2026, 6:31 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Fish Oil Supplementation on the Voice of Female Professional Voice Users (PVU)

NCT07800702
View directory record Official record
Conditions
Mitigation of Acute Voice Changes Follwing Rigorous Voice Use
Interventions
Omega-3 Polyunsaturated Fatty Acids
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 6, 2026, 6:31 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Heat Therapy and Omega 3 on Cardio-Metabolic Health

NCT04051034
View directory record Official record
Conditions
Hypertension
Interventions
Omega 3, Placebo
Dietary Supplement · Other
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Aug 14, 2019 · Synced Oct 6, 2026, 6:31 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin D and Omega-3 Adiposity Trial (VITAL Adiposity)

NCT01785004
View directory record Official record
Conditions
Adiposity
Interventions
Vitamin D3 (cholecalciferol), 2000 IU per day, omega-3 fatty acids (fish oil)
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2021 · Synced Oct 6, 2026, 6:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Docosahexaenoic Acid Supplementation on Biomarkers of Concussion Over the Course of a Year in Canadian National Rugby Players

NCT03582267
View directory record Official record
Conditions
Head Trauma
Interventions
Docosahexaenoic Acid (DHA)
Dietary Supplement
Lead sponsor
Texas Christian University
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Sep 13, 2019 · Synced Oct 6, 2026, 6:31 PM EDT
Completed Phase 2 Interventional Results available

Decreasing Risk of Coronary Artery Disease in Schizophrenia by Omega-3 Fatty Acid Supplementation

NCT00167310
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Oct 6, 2026, 6:31 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 20, 2012 · Synced Oct 6, 2026, 6:31 PM EDT
Terminated Not applicable Interventional

Omega-3 Fatty Acid Supplements and Dry Eye

NCT01213342
View directory record Official record
Conditions
Keratoconjunctivitis Sicca
Interventions
Omega-3 Fatty Acid, Soybean Soft Gels
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 20, 2012 · Synced Oct 6, 2026, 6:31 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 13, 2020 · Synced Oct 6, 2026, 6:31 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Nutritional Supplementation in the Elderly With Weight Loss

NCT04350762
View directory record Official record
Conditions
Sarcopenia
Interventions
Protein shake + Fish Oil
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
65 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 6, 2023 · Synced Oct 6, 2026, 6:31 PM EDT
Completed Early Phase 1 Interventional

Impact of Omega 3 Fatty Acid Supplementation on Aromatase in Obese Subjects

NCT02538484
View directory record Official record
Conditions
Breast Cancer
Interventions
Letrozole, Fish Oil
Drug · Dietary Supplement
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
2
States / cities
Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Oct 6, 2026, 6:31 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Docosahexaenoic Acid (DHA) Supplementation in High Risk Pregnancies

NCT04069195
View directory record Official record
Conditions
Inflammation, Pregnancy Related
Interventions
DHA supplement, Corn Oil: Soybean Oil
Dietary Supplement
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years and older · Female only
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 6, 2026, 6:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega-3 Fatty Acid Supplementation to Enhance Performance

NCT05924139
View directory record Official record
Conditions
Strength, Body Composition, Muscle Soreness
Interventions
Omega-3 fatty acid, Placebo
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 25 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2023 · Synced Oct 6, 2026, 6:31 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Omega-3 Fatty Acid Supplementation in Older Adults

NCT01666392
View directory record Official record
Conditions
Inflammation
Interventions
Omega-3 fatty acid, Placebo
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
60 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 10, 2012 · Synced Oct 6, 2026, 6:31 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Omega-3 Fatty Acids for Smoking Cessation in Pregnancy

NCT04417595
View directory record Official record
Conditions
Preterm Labor, Tobacco Use Disorder
Interventions
Fish Oil (Containing Omega-3 Acids), Olive Oil
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
16 Years to 40 Years · Female only
Enrollment
237 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 6, 2026, 6:31 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 4, 2016 · Synced Oct 6, 2026, 6:31 PM EDT