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ClinicalTrials.gov public records Last synced Nov 12, 2026, 4:14 PM 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 1–24 of 494 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Fish OIl Clear all

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

Conditions: Cardiovascular Disease
Interventions: Fenofibrate (Tricor) tablets, Placebo, Lovaza; Drug
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years to 45 Years
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2011
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Parkinson Disease, Idiopathic Parkinson Disease
Interventions: Intravenous and Oral n-acetyl cysteine, Control group, Oral Supplements: Baicalin, Ganoderma, Omega 3 and Curcumin; Dietary Supplement · Other
Lead sponsor: Thomas Jefferson University; Other
Eligibility: 30 Years to 80 Years
Enrollment: 51 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2022
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Metabolic Syndrome X
Interventions: Omega-3 fatty acids; Dietary Supplement
Lead sponsor: University of Washington; Other
Eligibility: 18 Years to 75 Years
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2012
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Obesity, Blood Glucose, High
Interventions: Micronutrient-dense plant-rich Intervention; Behavioral
Lead sponsor: Northern Arizona University; Other
Eligibility: 18 Years and older
Enrollment: 146 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2025
U.S. locations: 1
States / cities: Flagstaff, Arizona

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: Ischemic Stroke, Transient Ischemic Attack
Interventions: omega-3 polyunsaturated fatty acids (Lovaza); Dietary Supplement
Lead sponsor: Millard Fillmore Gates Hospital; Other
Eligibility: 25 Years to 80 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2013
U.S. locations: 1
States / cities: Buffalo, New York

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

Conditions: Alzheimer's Disease, Oxidative Stress, Dementia, Hyperlipidemia, Inflammation
Interventions: Fish Oil, Lipoic Acid, Fish Oil Placebo, Lipoic Acid Placebo; Dietary Supplement · Other
Lead sponsor: Oregon Health and Science University; Other
Eligibility: 55 Years and older
Enrollment: 39 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2007
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Epilepsy
Interventions: Placebo, High Dose Fish Oil, Low Dose Fish Oil; Drug
Lead sponsor: National Center for Complementary and Integrative Health (NCCIH); NIH
Eligibility: 18 Years to 70 Years
Enrollment: 24 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2011
U.S. locations: 1
States / cities: Los Angeles, California

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

Conditions: Type 1 Diabetes Mellitus
Interventions: DHA Treatment, Placebo for DHA; Dietary Supplement
Lead sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); NIH
Eligibility: Up to 5 Months
Enrollment: 99 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2013
U.S. locations: 9
States / cities: Los Angeles, California • Orange, California • San Francisco, California + 6 more

Conditions: Alcohol Dependence
Interventions: Fish Oil with ethanol and placebo ethanol infusions, Placebo with ethanol and placebo ethanol infusions; Drug
Lead sponsor: Yale University; Other
Eligibility: 21 Years to 55 Years
Enrollment: 17 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2021
U.S. locations: 1
States / cities: West Haven, Connecticut

Conditions: Prostate Cancer
Interventions: lycopene supplement, fish oil supplement, Placebo; Dietary Supplement · Other
Lead sponsor: University of California, San Francisco; Other
Eligibility: Male only
Enrollment: 84 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2003 – 2008
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Atrial Fibrillation
Interventions: LOVAZA Omega 3-acid ethyl esters, LOVAZA, placebo; Drug · Other
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years to 70 Years
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2011
U.S. locations: 1
States / cities: Ann Arbor, Michigan

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

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

Conditions: Cardiovascular Risk Factors
Interventions: fish oil, Placebo; Dietary Supplement
Lead sponsor: Milton S. Hershey Medical Center; Other
Eligibility: 20 Years to 79 Years
Enrollment: 3 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007
U.S. locations: 1
States / cities: Hershey, Pennsylvania

Conditions: Exercise-induced Joint Pain, Exercise-induced Joint Stiffness, Exercise-induced Joint Cartilage Turnover
Interventions: Move3™ (NEM® brand eggshell membrane + KD PUR® brand fish oil), Placebo; Dietary Supplement
Lead sponsor: ESM Technologies, LLC; Industry
Eligibility: 40 Years to 75 Years
Enrollment: 85 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2019
U.S. locations: 1
States / cities: Springfield, Missouri

Conditions: Breast Cancer, Precancerous Condition
Interventions: omega-3 fatty acid, placebo; Dietary Supplement · Other
Lead sponsor: OHSU Knight Cancer Institute; Other
Eligibility: 21 Years to 120 Years · Female only
Enrollment: 16 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2013
U.S. locations: 2
States / cities: Portland, Oregon

Conditions: High Triglycerides, Hypercholesterolemia, Schizophrenia, Schizoaffective Disorder, Bipolar Disorder
Interventions: Lovaza; Drug
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years to 75 Years
Enrollment: 65 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2013
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Bipolar Disorder
Interventions: Omega-3 Fatty Acids; Drug
Lead sponsor: National Center for Complementary and Integrative Health (NCCIH); NIH
Eligibility: 18 Years to 65 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2000 – 2004
U.S. locations: 2
States / cities: Belmont, Massachusetts • Houston, Texas

Conditions: Ductal Breast Carcinoma in Situ, Breast Cancer, Stage I, Breast Cancer, Stage II, Breast Cancer, Stage III
Interventions: omega-3 fatty acid, placebo, Questionnaire administration; Dietary Supplement · Other · Behavioral
Lead sponsor: Ohio State University Comprehensive Cancer Center; Other
Eligibility: 45 Years to 65 Years · Female only
Enrollment: 52 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2013
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Overweight, Obesity
Interventions: Supplement: Omega-3 Fish Oil, Multi-Disciplinary Nutrition & Exercise program; Drug · Behavioral
Lead sponsor: Children's Heart Center; Industry
Eligibility: 8 Years to 18 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2010
U.S. locations: 1
States / cities: Las Vegas, Nevada

Search by objective public record fields.

Supplementation in Adolescent Girls With Endometriosis

Fenofibrate and Omega-3 Fatty Acid Modulation of Endotoxemia

Physiological Effects of Nutritional Support in Patients With Parkinson's Disease

The Effects of Omega-3 Fatty Acids on Metabolic Syndrome

A Culturally-relevant Micronutrient-dense Plant-rich (mNDPR) Dietary Intervention for Native Americans

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

Lovaza's Effect on Clopidogrel in a Neuro Population

Therapeutic Omegas for Triglyceride Suppression

Fish Oil and Alpha Lipoic Acid in Treating Alzheimer's Disease

Double Blind, Crossover Study of Fish Oil [EPA and DHA] for Intractable Partial Seizures

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

Nutritional Intervention to Prevent Diabetes

Fish Oil vs. Placebo on Subjective Effects of Alcohol

Lycopene or Omega-3 Fatty Acid Nutritional Supplements in Treating Patients With Stage I or Stage II Prostate Cancer

Effects of Fish Oil on Post Ablation Arrhythmias

Fish Oil (Omega 3), Immune Function, and Mood

Omega-3 Supplementation and Mental Health in College Students

Fish Oil and Biomarkers of Cardiovascular Risk

NEM® + KD PUR® Fish Oil Versus Placebo in Exercised-induced Joint Pain, Stiffness, & Cartilage Turnover in Healthy Men & Women

Omega-3 Fatty Acids in Treating Women With Newly Diagnosed Ductal Carcinoma In Situ and/or Atypical Ductal Hyperplasia

Omega-3 Fatty Acids (Lovaza) for Second Generation Antipsychotic-Associated Hypertriglyceridemia

Omega-3 Fatty Acids in Bipolar Disorder

Effect of Omega 3 on Atrophic Vaginitis in Breast Cancer Survivors

Safety & Efficacy of Omega-3 Fish Oil in Overweight Children & Adolescents