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These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 14, 2026, 7:21 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 193–216 of 494 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Fish OIl Clear all

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

Conditions: Heart Disease
Interventions: Fish Oil, Placebo; Dietary Supplement
Lead sponsor: USDA, Western Human Nutrition Research Center; Federal
Eligibility: 20 Years to 59 Years
Enrollment: 166 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2008
U.S. locations: 3
States / cities: Davis, California • Oakland, California • Sacramento, California

Conditions: Cholestasis, Total Parenteral Nutrition-induced Cholestasis
Interventions: Omegaven; Drug
Lead sponsor: Cindy Haller; Other
Eligibility: 2 Weeks to 5 Years
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2014
U.S. locations: 2
States / cities: Manhasset, New York • New Hyde Park, New York

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

Conditions: Immunoglobulin A Nephropathy, Healthy Subjects
Interventions: Fish Oil; Dietary Supplement
Lead sponsor: University of California, Davis; Other
Eligibility: 18 Years to 65 Years
Enrollment: 12 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008 – 2011
U.S. locations: 1
States / cities: Davis, California

Conditions: Hypertriglyceridemia (TG>200<500), Hyperlipidemia, Coronary Artery Disease, Coronary Risk Equivalent, Diabetes
Interventions: docosahexanoic acid (DHA); Drug
Lead sponsor: Maine Center for Lipids and Cardiovascular Health; Other
Eligibility: 21 Years to 80 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2007
U.S. locations: 1
States / cities: Scarborough, Maine

Conditions: IgA Nephropathy
Interventions: Intravenous Rituximab, ACE/ARB, Omega-3 Fatty Acid Fish Oil Supplement; Drug · Dietary Supplement
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years to 70 Years
Enrollment: 34 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2015
U.S. locations: 5
States / cities: San Francisco, California • Rochester, Minnesota • New York, New York + 2 more

Conditions: Time Restricted Eating, Diet, Mediterranean
Interventions: Time restricted eating, Mediterranean diet; Behavioral
Lead sponsor: University of California, Berkeley; Other
Eligibility: 18 Years to 65 Years
Enrollment: 300 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2029
U.S. locations: 1
States / cities: Berkeley, California

Conditions: Hidradenitis Suppurativa
Interventions: Mediterranean Diet Counseling, Mediterranean Food Support; Behavioral · Other
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: 18 Years and older
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

Conditions: Cancer, Hepatic Injury
Interventions: Omegaven; Drug
Lead sponsor: Midwestern Regional Medical Center; Other
Eligibility: 18 Years to 80 Years
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2017
U.S. locations: 1
States / cities: Zion, Illinois

Conditions: Metastatic Melanoma
Interventions: Taxoprexin; Drug
Lead sponsor: American Regent, Inc.; Industry
Eligibility: 13 Years and older
Enrollment: 22 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2008
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Moderate Hypertriglyceridemia.
Interventions: Omega 3 fatty acid (Lovaza); Dietary Supplement
Lead sponsor: Brigham and Women's Hospital; Other
Eligibility: 21 Years to 65 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Insulin Resistance, Obesity, Metabolic Syndrome
Interventions: Fish Oil, Polyphenol Capsules, Corn Oil Capsules, Corn starch capsules, Reduced glycemic index bread products, Market variety bread products; Dietary Supplement · Other
Lead sponsor: University of California, San Diego; Other
Eligibility: 21 Years to 55 Years
Enrollment: 41 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2013
U.S. locations: 1
States / cities: San Diego, California

Conditions: Heart Failure, Gastrointestinal Bleeding
Interventions: Omega 3 fatty acids, Placebo; Drug · Other
Lead sponsor: University of Chicago; Other
Eligibility: 18 Years and older
Enrollment: 35 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Chicago, Illinois

Conditions: Lipoprotein Metabolism, PCSK9, Proteomics
Interventions: EPA-rich fish oil, DHA-rich fish oil; Drug
Lead sponsor: National Heart, Lung, and Blood Institute (NHLBI); NIH
Eligibility: 18 Years and older
Enrollment: 44 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2019
U.S. locations: 1
States / cities: Bethesda, Maryland

Conditions: Parkinson Disease
Interventions: Mediterranean Diet; Other
Lead sponsor: University of Florida; Other
Eligibility: 21 Years to 85 Years
Enrollment: 8 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2021
U.S. locations: 1
States / cities: Gainesville, Florida

Conditions: Multiple Sclerosis
Interventions: Progressive exercise, Neuromuscular electrical stimulation delivered using the electrical therapy device EMPI 300 PV, Modified paleolithic diet, Omega 3 fatty acids, Full Spectrum vitamin, Essential - hydroxytyrosol, Maltodextrin fiber supplement, Mineral boost (magnesium), Niacinamide, Methyl B12, Taurine, creatine, thiamine, riboflavin, N acetylcysteine, alpha lipoic acid, L acetyl carnitine, methyl folate, coenzyme Q, meditation, self massage, learning, Coconut oil; Other · Device · Dietary Supplement + 1 more
Lead sponsor: University of Iowa; Other
Eligibility: 18 Years to 65 Years
Enrollment: 38 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2016
U.S. locations: 1
States / cities: Iowa City, Iowa

Conditions: Healthy
Interventions: Fish oil + wild orange essential oil supplement, Fish oil supplement; Dietary Supplement
Lead sponsor: dōTERRA International; Industry
Eligibility: 18 Years to 64 Years
Enrollment: 55 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024
U.S. locations: 1
States / cities: Pleasant Grove, Utah

Conditions: Cold Exposure
Interventions: Fish Oil, Placebo; Dietary Supplement
Lead sponsor: Indiana University; Other
Eligibility: 18 Years to 40 Years
Enrollment: 30 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2026
U.S. locations: 1
States / cities: Bloomington, Indiana

Conditions: Hypertension, Kidney Diseases
Interventions: Vitamin D3, Omega-3 Fatty acids, Vitamin D3 placebo, Fish oil placebo; Dietary Supplement · Drug
Lead sponsor: Albert Einstein College of Medicine; Other
Eligibility: 50 Years to 99 Years
Enrollment: 2,232 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2022
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Traumatic Brain Injury
Interventions: Multivitamin Supplement intervention; Dietary Supplement
Lead sponsor: Amen Clinics, Inc.; Industry
Eligibility: 18 Years and older · Male only
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2010
U.S. locations: 1
States / cities: Newport Beach, California

Conditions: PAD, Abdominal Aortic Aneurysm
Interventions: Pro-Omega, ProOmega Placebo; Dietary Supplement · Other
Lead sponsor: University of California, San Francisco; Other
Eligibility: 40 Years to 90 Years
Enrollment: 2 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2018
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Healthy
Interventions: Docosahexaenoic acid (DHA), Eicosapentaenoic acid; Drug
Lead sponsor: National Institute on Alcohol Abuse and Alcoholism (NIAAA); NIH
Eligibility: 18 Years and older
Enrollment: 97 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2001 – 2008
U.S. locations: 1
States / cities: Bethesda, Maryland

Conditions: Cognitive Benefits
Interventions: Citicoline, Omega-3 Fatty Acids and Creatine; Drug
Lead sponsor: Deborah Yurgelun-Todd; Other
Eligibility: 40 Years to 60 Years · Female only
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2019
U.S. locations: 1
States / cities: Salt Lake City, Utah

Search by objective public record fields.

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

Heart & Health Study

Compassionate Use of Omegaven IV Fat Emulsion

Omega-3 Fatty Acids for Smoking Cessation in Pregnancy

Development of a Metabolic Assessment Tool for Chronic Kidney Disease

The Triglyceride Lowering Effect of an Omega-3 Fat (DHA) in Addition to Statin Therapy for Patients With CAD or Diabetes

Rituximab in Progressive Immunoglobulin A (IgA) Nephropathy

Healthy Lifestyles for Bipolar Disorder

Mediterranean Dietary Intervention for HS

Compassionate Use of Omegaven® in the Treatment of Parenteral Nutrition Induced Hepatic Injury

Taxoprexin® Treatment for Advanced Eye Melanoma

Lovaza Mechanisms of Action

Novel Dietary Interventions for Treating Insulin Resistance

Efficacy of Omega-3 Fatty Acid Therapy in Preventing Gastrointestinal Bleeding in Patients With CF-LVAD

Comparison of EPA and DHA-Rich Fish Oils on Lipoprotein Metabolism In Adults

Dietary Intervention and Gastrointestinal Function in Patients With Parkinson's Disease

Nutrition, Neuromuscular Electrical Stimulation (NMES) and Secondary Progressive Multiple Sclerosis (SPMS)

Omega-3 Supplement and Health Markers

Omega-3 Fatty Acids as Regulators of Brown Adipose Tissue During Cold Exposure

Effects of Vitamin D and Fish Oil on the Kidney in Hypertensives

Single Photon Emission Computed Tomography (SPECT) Imaging Study of Professional American Football Players

Use of Fish Oil to Reduce Inflammation During Endovascular Abdominal Aortic Repair

Effect of Polyunsaturated Fatty Acids on Cardiovascular and Motor Responses Under Stress

Citicoline, Creatine, and Omega-3 Effects in Middle Age Women