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ClinicalTrials.gov public records Last synced Oct 4, 2026, 6:41 PM EDT

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Showing 49–72 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 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 4, 2026, 6:41 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 31, 2026 · Synced Oct 4, 2026, 6:41 PM EDT
Completed Phase 3 Interventional

Comparison of Megestrol and/or Omega-3 Fatty Acid-Enriched Nutritional Supplement in Treating Patients With Cancer-Related Weight Loss and Lack of Appetite

NCT00031707
View directory record Official record
Conditions
Anorexia, Cachexia
Interventions
eicosapentaenoic acid, megestrol acetate, placebo
Dietary Supplement · Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
429 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
22
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Peoria, Illinois + 19 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2016 · Synced Oct 4, 2026, 6:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega-3-fatty Acids on Age-related Macular

NCT01258335
View directory record Official record
Conditions
Aged Macular Degeneration
Interventions
Omega 3, Olive Oil
Dietary Supplement · Other
Lead sponsor
Mid Atlantic Retina
Other
Eligibility
20 Years to 49 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 22, 2011 · Synced Oct 4, 2026, 6:41 PM EDT
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 4, 2026, 6:41 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 4, 2026, 6:41 PM EDT
Completed Phase 3 Interventional

Effect of 8-Week Dietary DHA Supplementation on Cerebral Blood Flow and Metabolic Function

NCT00662142
View directory record Official record
Conditions
Healthy, Attention
Interventions
docosahexaenoic acid
Dietary Supplement
Lead sponsor
University of Cincinnati
Other
Eligibility
8 Years to 10 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 17, 2013 · Synced Oct 4, 2026, 6:41 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 4, 2026, 6:41 PM EDT
Completed Not applicable Interventional

Breast, Omega 3 Free Fatty Acid, Ph 0

NCT02996240
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 4, 2026, 6:41 PM EDT
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 11, 2026 · Synced Oct 4, 2026, 6:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MsFLASH-02: Interventions for Relief of Menopausal Symptoms: A 3-by-2 Factorial Design Examining Yoga, Exercise, and Omega-3 Supplementation

NCT01178892
View directory record Official record
Conditions
Hot Flashes, Menopause, Vasomotor Symptoms
Interventions
Placebo, Omega-3, Yoga, Exercise, Usual Activity
Dietary Supplement · Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
40 Years to 62 Years · Female only
Enrollment
355 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
3
States / cities
Oakland, California • Indianapolis, Indiana • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 22, 2014 · Synced Oct 4, 2026, 6:41 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 4, 2026, 6:41 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Oxybutynin and Omega-3 for OAB (Overactive Bladder)

NCT02070042
View directory record Official record
Conditions
Overactive Bladder
Interventions
Omega 3 Fatty Acid, Placebo
Drug
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 31, 2018 · Synced Oct 4, 2026, 6:41 PM EDT
Completed Not applicable Interventional

Docosahexaenoic Acid in the Treatment of Autism

NCT00577447
View directory record Official record
Conditions
Autism
Interventions
docosahexaenoic acid (DHA), Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
3 Years to 10 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 28, 2015 · Synced Oct 4, 2026, 6:41 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 4, 2026, 6:41 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 4, 2026, 6:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega-3 Supplementation and Mental Health in College Students

NCT07391254
View directory record Official record
Conditions
Mental Health, Vitamin D
Interventions
Placebo, Low dose Omega 3, High dose Omega 3
Dietary Supplement
Lead sponsor
University of Colorado, Colorado Springs
Other
Eligibility
18 Years to 27 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Colorado Springs, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 4, 2026, 6:41 PM EDT
Completed Phase 4 Interventional

Supplementation in Adolescent Girls With Endometriosis

NCT02387931
View directory record Official record
Conditions
Endometriosis
Interventions
Vitamin D3, Fish Oil, Placebo
Dietary Supplement · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 25 Years · Female only
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2016 · Synced Oct 4, 2026, 6:41 PM EDT
Terminated Phase 2 Interventional Results available

Prevention of Disease Progression in Early Stage Indolent B Cell Malignancies. (SMM)

NCT00899353
View directory record Official record
Conditions
Monoclonal Gammopathy of Undetermined Significance, Smoldering Multiple Myeloma, Chronic Lymphocytic Leukemia
Interventions
Omega 3 Fatty Acid
Dietary Supplement
Lead sponsor
Marshall University
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Huntington, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 12, 2013 · Synced Oct 4, 2026, 6:41 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Dose Response Effects of Marine Omega-3 Fatty Acids on Inflammation

NCT01078909
View directory record Official record
Conditions
Cardiovascular Disease, Inflammation
Interventions
Eicosapentaenoic Acid and Docosahexaenoic Acid (EPA + DHA)
Biological
Lead sponsor
Penn State University
Other
Eligibility
20 Years to 45 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 4, 2026, 6:41 PM EDT
Completed Not applicable Interventional

The Use of Fish Oil to Reduce Inflammation Caused by a Peripheral Vascular Intervention

NCT02096757
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Pro-Omega, Pro-Omega Placebo
Dietary Supplement · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 90 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2020 · Synced Oct 4, 2026, 6:41 PM EDT
Completed Phase 2 Interventional Results available

Fish Oil Supplementation, Nutrigenomics and Colorectal Cancer Prevention

NCT01661764
View directory record Official record
Conditions
Colorectal Adenomatous Polyps
Interventions
Eicosapentanoic acid and docosahexanoic acid, Oleic Acid
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
40 Years to 79 Years
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 8, 2018 · Synced Oct 4, 2026, 6:41 PM EDT
Completed Not applicable Interventional

The Effect of Fish Oil Supplementation on Endothelial Function, Heart Rate Variability and Intimal Media Thickness of Patients With Coronary Artery Disease

NCT00454493
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Omacor (omega-3-acid ethyl esters)
Drug
Lead sponsor
Olive View-UCLA Education & Research Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2019 · Synced Oct 4, 2026, 6:41 PM EDT
Completed Not applicable Interventional

Omega-3 Supplementation for Smell Dysfunction

NCT02529332
View directory record Official record
Conditions
Sellar/Parasellar Tumor, Smell Dysfunction
Interventions
Omega-3
Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
2
States / cities
Stanford, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Oct 4, 2026, 6:41 PM EDT