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Showing 1–24 of 114 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Fish Oil Supplement Clear all
Completed Phase 2 Interventional

The Effect of Fish Oil Plus Fenofibrate on Triglyceride Levels in People Taking Highly Active Antiretroviral Therapy (HAART)

NCT00076518
View directory record Official record
Conditions
HIV Infections, Hypertriglyceridemia
Interventions
Fenofibrate, Fish Oil
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
5
States / cities
San Francisco, California • Atlanta, Georgia • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 6, 2026, 1:36 AM EDT
Completed Phase 1 Interventional

A Study of the Pharmacokinetics and Immunologic Effects of Lipoic Acid in Multiple Sclerosis

NCT00676156
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
oral lipoic acid (LA), lipoic acid (LA) with fish oil and LA without fish oil, R lipoic acid
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 5, 2012 · Synced Sep 6, 2026, 1:36 AM 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 6, 2026, 1:36 AM 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 12, 2019 · Synced Sep 6, 2026, 1:36 AM 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 3, 2026 · Synced Sep 6, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega-3 and Blueberry Supplementation in Age-Related Cognitive Decline

NCT01746303
View directory record Official record
Conditions
Age-related Memory Disorders, Mood Disorders
Interventions
Omega-3 fatty acid, Blueberry powder, Placebo oil, Placebo powder
Dietary Supplement · Other
Lead sponsor
University of Cincinnati
Other
Eligibility
62 Years to 80 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 26, 2016 · Synced Sep 6, 2026, 1:36 AM 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 6, 2026, 1:36 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Omega 3 Fatty Acid Trial

NCT00586222
View directory record Official record
Conditions
Omega-3 Fatty Acids, Pediatric Bipolar Disorder, Adolescent Bipolar Disorder, Magnetic Resonance Spectroscopy Imaging
Interventions
Omega-3 Fatty Acid, Placebo
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
12 Years to 18 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 24, 2012 · Synced Sep 6, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Understanding the Relationship Between Inflammation and Insulin Resistance in the Adipose Tissue

NCT02378077
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Fat biopsy during scheduled abdominal surgery, Fat Aspiration, Fish Oil Supplement
Procedure · Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
30 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 6, 2026, 1:36 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Antioxidant Use in Diabetes to Reduce Oxidative Stress

NCT03056014
View directory record Official record
Conditions
Ameliorating Oxidative Stress in Type 1 Diabetes
Interventions
N-acetyl cysteine, omega 6 Fish oil ( PUFA), Placebo
Drug · Dietary Supplement
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 21, 2022 · Synced Sep 6, 2026, 1:36 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Fish Oil Versus Statins Versus Placebos in Reducing Atrial Fibrillation in Patients Undergoing Thoracic Surgery for Lung Cancer

NCT01259284
View directory record Official record
Conditions
Advanced Cancers
Interventions
Atorvastatin, Fish Oil Supplement, Placebo
Drug · Dietary Supplement · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 6, 2012 · Synced Sep 6, 2026, 1:36 AM EDT
Completed Not applicable Interventional

Fish Oil and HMB Supplementation in COPD

NCT03796455
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Capsule + Powder supplementation, stable tracer infusion
Dietary Supplement · Other
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years to 100 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2022 · Synced Sep 6, 2026, 1:36 AM EDT
Not listed Phase 2Phase 3 Interventional

The Influence Of a Natural Anti-Inflammatory Product On Levels Of Inflammatory Markers In Cases With Osteoarthritis Of Knee

NCT02333084
View directory record Official record
Conditions
Osteoarthritis
Interventions
PRN Joint Health Formula, placebo, PRN Flex Omega Benefits® combination
Dietary Supplement
Lead sponsor
Physician Recommended Nutriceuticals
Industry
Eligibility
18 Years to 90 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 3, 2016 · Synced Sep 6, 2026, 1:36 AM EDT
Completed Not applicable Interventional

Treatment of Type 2 Diabetes With Immunonutrients

NCT02462863
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Arginine and fish oil
Dietary Supplement
Lead sponsor
The Christ Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 30, 2020 · Synced Sep 6, 2026, 1:36 AM EDT
Withdrawn Phase 2 Interventional

Derivatives of Omega-3 HUFA as Biomarkers of Traumatic Brain Injury

NCT02990091
View directory record Official record
Conditions
TBI
Interventions
Omega 3 fatty acid, Safflower seed oil
Drug · Dietary Supplement
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 12, 2022 · Synced Sep 6, 2026, 1:36 AM EDT
Completed Not applicable Interventional

Testing Fish Oil Derivatives In Healing Of Chronic Venous Leg Ulcers

NCT01754506
View directory record Official record
Conditions
Venous Stasis Ulcers
Interventions
Fish Oil
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 85 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 15, 2015 · Synced Sep 6, 2026, 1:36 AM EDT
Completed Phase 2 Interventional

A Fish Oil Supplement to Maintain Body Weight in Patients With Disease-Related Weight Loss

NCT00094562
View directory record Official record
Conditions
Cancer, Cancer Cachexia, Chronic Obstructive Pulmonary Disease, Chronic Heart Failure, Rheumatoid Arthritis
Interventions
Fish oil supplement
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 90 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 17, 2019 · Synced Sep 6, 2026, 1:36 AM EDT
Terminated Not applicable Interventional

Nutrition Support to Improve Outcomes in Patients With Unresectable Pancreatic Cancer

NCT02681601
View directory record Official record
Conditions
Cancer of Pancreas
Interventions
Nutrawell Powder, Diet Only, OmegaRich fish oil supplement
Dietary Supplement · Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 2, 2022 · Synced Sep 6, 2026, 1:36 AM 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 6, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Natural Product System and Lifestyle Modification

NCT06931977
View directory record Official record
Conditions
Healthy
Interventions
Supplement system + copaiba softgels, Supplement system + placebo softgels
Dietary Supplement
Lead sponsor
dōTERRA International
Industry
Eligibility
30 Years to 55 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Pleasant Grove, Utah
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Sep 6, 2026, 1:36 AM EDT
Completed Phase 2 Interventional Results available

Omega-3 Long Chain Polyunsaturated Fatty Acid (LCPUFA) Supplementation in Very Low Birth Weight Infants for The Prevention Retinopathy of Prematurity

NCT02486042
View directory record Official record
Conditions
Retinopathy of Prematurity
Interventions
Omegaven, Standard lipids (primarily omega-6 fatty acids)
Drug · Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
Up to 7 Days
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 28, 2022 · Synced Sep 6, 2026, 1:36 AM 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 6, 2026, 1:36 AM EDT
Completed Phase 2Phase 3 Interventional

Integrative Medicine Approach to the Management of Asthma in Adults

NCT00843544
View directory record Official record
Conditions
Asthma
Interventions
Integrative Medicine
Behavioral
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 12, 2009 · Synced Sep 6, 2026, 1:36 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Omega-3D: Omega-3 for Diet-Driven Health Disparities

NCT07078344
View directory record Official record
Conditions
Heart Health Markers, Cardiovascular Diseases, Omega 3 Fatty Acids
Interventions
Omega-3 Fatty Acids and Safflower Oil Placebo, Safflower Oil Placebo and Omega-3 Fatty Acids
Dietary Supplement
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 64 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
2
States / cities
Tucson, Arizona • Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 6, 2026, 1:36 AM EDT