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ClinicalTrials.gov public records Last synced Nov 15, 2026, 7:49 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 457–480 of 494 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Fish OIl Clear all

Conditions: Parkinson's Disease
Interventions: Docosahexaenoic Acid (DHA), Placebo; Drug
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 21 Years to 99 Years
Enrollment: 33 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2016
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Malnutrition, Child
Interventions: Smoflipid, Intralipid, 20%; Drug
Lead sponsor: Fresenius Kabi; Industry
Eligibility: 3 Months to 16 Years
Enrollment: 1 participant
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2022
U.S. locations: 1
States / cities: Pittsburgh, Pennsylvania

Conditions: Infections, Human Cathelicidin Antimicrobial Peptide (hCAP-18)
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: 25,874 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2026
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Heart Failure
Interventions: Sodium reduction, omega 3 and lycopene supplements, rice bran oil capsules, Generic dietary feedback from; Behavioral · Dietary Supplement
Lead sponsor: Terry Lennie; Other
Eligibility: 21 Years and older
Enrollment: 150 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2017
U.S. locations: 2
States / cities: Lexington, Kentucky • Louisville, Kentucky

Conditions: Hyperlipidemia
Interventions: Omega-3 fatty acid (Eicosapentaenoic acid); Dietary Supplement
Lead sponsor: University of California, San Francisco; Other
Eligibility: 8 Years to 17 Years
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2011
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Supplementation in Healthy Adults to Assess Impact on Omega 3 Index and Cardiometabolic Health
Interventions: whole salmon oil, Cod liver oil; Dietary Supplement
Lead sponsor: Hofseth Biocare ASA; Industry
Eligibility: 40 Years to 80 Years
Enrollment: 96 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2026
U.S. locations: 2
States / cities: Menlo Park, California • San Francisco, California

Conditions: Major Depressive Disorder, Overweight, Inflammation
Interventions: Placebo, EPA 1 g/day, EPA 2 g/day, EPA 4 g/day; Other · Drug
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years to 80 Years
Enrollment: 61 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2022
U.S. locations: 2
States / cities: Atlanta, Georgia • Boston, Massachusetts

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: Fat-free Masss, Muscle Strength, Neuromuscular Function
Interventions: Fish oil, Coconut oil; Dietary Supplement
Lead sponsor: Rowan University; Other
Eligibility: 18 Years to 35 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2021
U.S. locations: 1
States / cities: Glassboro, New Jersey

Conditions: Randomized Clinical Trial, Docosahexaenoic Acid, Pregnancy
Interventions: Expecta 200mg DHA, Promise 275mg DHA; Dietary Supplement
Lead sponsor: University of New Mexico; Other
Eligibility: 18 Years and older · Female only
Enrollment: 72 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011
U.S. locations: 1
States / cities: Albuquerque, New Mexico

Conditions: End-Stage Renal Disease Patients on Hemodialysis
Interventions: Fish oil capsules, matched placebo capsules; Drug
Lead sponsor: Indiana University; Other
Eligibility: 18 Years to 82 Years
Enrollment: 27 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006
U.S. locations: 2
States / cities: Indianapolis, Indiana

Conditions: Cholestasis, Parenteral Nutrition
Interventions: Omegaven, Intralipid; Drug
Lead sponsor: Boston Children's Hospital; Other
Eligibility: Up to 3 Months
Enrollment: 19 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2011
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Spinal Cord, Metabolic Syndrome, Diabetes
Interventions: LC/HP; Other
Lead sponsor: Ohio State University; Other
Eligibility: 18 Years to 60 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2022
U.S. locations: 1
States / cities: Birmingham, Alabama

Conditions: Periodontal Attachment Loss
Interventions: Omega-3 Fatty acid (with SRP or OHI), Placebo; Dietary Supplement
Lead sponsor: University of Kentucky; Other
Eligibility: 18 Years and older
Enrollment: 126 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2004 – 2009
U.S. locations: 1
States / cities: Lexington, Kentucky

Conditions: Pediatric Bipolar Spectrum Disorders
Interventions: Omega-3, Inositol; Drug
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 5 Years to 12 Years
Enrollment: 69 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2019
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Osteoarthritis (OA) of the Hip, Osteoarthritis (OA) of the Knee, Osteoarthritis (OA) of the Shoulder, Osteoarthritis, Mild Cognitive Impairment, MCI, Mild Cognitive Impairment (MCI), Dementia
Interventions: Well-formulated ketogenic diet; Other
Lead sponsor: University of Kansas Medical Center; Other
Eligibility: 55 Years to 75 Years
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Fairway, Kansas

Conditions: Hypertension in Pregnancy
Interventions: Docosahexaenoic acid 200 mg, Docosahexaenoic acid 1000 mg; Dietary Supplement · Drug
Lead sponsor: Children's Hospital Medical Center, Cincinnati; Other
Eligibility: 18 Years to 45 Years · Female only
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2016
U.S. locations: 1
States / cities: Cincinnati, Ohio

Conditions: Healthy Adults
Interventions: Coromega Omega-3 Squeeze, Coromega Nectar, Barleans Swirl, Nordic Omega-3 Softgel; Dietary Supplement
Lead sponsor: USDA Grand Forks Human Nutrition Research Center; Federal
Eligibility: 18 Years to 60 Years
Enrollment: 19 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2016
U.S. locations: 1
States / cities: Grand Forks, North Dakota

Conditions: Parenteral Nutrition-Associated Liver Disease
Interventions: Omegaven; Drug
Lead sponsor: Cook Children's Health Care System; Other
Eligibility: 4 Weeks to 5 Years
U.S. locations: 1
States / cities: Fort Worth, Texas

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

Conditions: Cardiovascular Disease, Hypercholesterolemia, Obesity, Fatty Liver
Interventions: American Heart Association Diet, Reduced Fat Vegan Diet; Other
Lead sponsor: The Cleveland Clinic; Other
Eligibility: 9 Years to 18 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2014
U.S. locations: 1
States / cities: Cleveland, Ohio

Conditions: Type 2 Diabetes Mellitus
Interventions: Low Glycemic Diet, Control Diet; Other
Lead sponsor: University of Alabama at Birmingham; Other
Eligibility: 35 Years to 65 Years
Enrollment: 65 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2023
U.S. locations: 1
States / cities: Birmingham, Alabama

Conditions: Obesity, Overweight
Interventions: Lifestyle Modification Intervention, Balanced Calorie Deficit Eating Plan, Ad Libitum Whole Food Plant-Based Eating Plan; Behavioral
Lead sponsor: Drexel University; Other
Eligibility: 18 Years to 75 Years
Enrollment: 55 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2023
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

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

Search by objective public record fields.

Reducing Dyskinesia in Parkinson's Disease With Omega-3 Fatty Acids

Safety and Efficacy Study to Compare Smoflipid and Intralipid 20% in Pediatric Patients of 3 Months to 16 Years of Age

Effects of Vitamin D and Omega-3 Fatty Acids on Infectious Diseases and hCAP18 (VITAL Infection)

Nutrition Intervention to Decrease Symptoms in Patients With Heart Failure

The Effects of a Mediterranean Diet in Pediatric Hyperlipidemia

Change in Omega 3 Index in Healthy Adults With OmeGo or a Standard Omega-3 Oil Supplement

Omega-3 Fatty Acids for Major Depressive Disorder With High Inflammation: A Personalized Approach

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

Effects of Fish Oil and Resistance Training on Muscle Mass and Function

Commerical DHA Supplementation

A Pilot Study of Fish Oil Supplementation in Hemodialysis Patients

Cholestasis Prevention: Efficacy of IV Fish Oil

Low Carbohydrate/High Protein Diet to Improve Metabolic Health

Oral Infections: Dietary Regulation of Local and Systemic Inflammatory Responses

Inositol and Omega-3 Fatty Acids in Pediatric Mania

Ketogenic Diet to Reduce Osteoarthritis Pain in MCI

Docosahexaenoic Acid Supplementation of Women With Hypertension in Pregnancy to Improve Endothelial Health

Bioavailability of Fish Oils: Emulsified Versus Capsular Triglyceride

Expanded Access Use of Omegaven® in the Treatment of Parenteral Nutrition Induced Liver Injury in Children

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

Low Fat Vegan or American Heart Association Diets & Cardiovascular Risk in Obese 9-18 y.o. With Elevated Cholesterol

Return of First-phase Insulin Secretion in Type 2 Diabetes is Associated With Depletion of Pancreas Lipid

Remotely Delivered Behavioral Weight Loss Using an Ad Libitum Plant-Based Diet Versus a Balanced Calorie Deficit Diet

The Influence of PRN Omega-3 Nutritional Supplement on Visual Acuity