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Showing 1–24 of 75 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Omega-3 Fatty Acid Supplements Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of the Usefulness of Omega 3 Vitamins in the Relief of Hot Flashes in Menopausal Women.

NCT00599456
View directory record Official record
Conditions
Hot Flashes, Menopause
Interventions
Omega 3 fatty acid vitamins, Placebo capsules
Dietary Supplement
Lead sponsor
Christiana Care Health Services
Other
Eligibility
Up to 65 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Phase 4 Interventional Results available

Natural Treatments for the Management of Emotional Dysregulation in Youth With Non-verbal Learning Disability (NVLD) and/or Autism Spectrum Disorders (ASD)

NCT03757585
View directory record Official record
Conditions
Non-verbal Learning Disorder, Autism Spectrum Disorder, Autism
Interventions
Open-label Treatment with Omega-3 Fatty Acids + Inositol, Open-label Treatment with N-acetylcysteine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
5 Years to 17 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition Interventions to Support the Immune System in Response to Stress

NCT02053506
View directory record Official record
Conditions
Mitigation of Immune Function Decrements in Response to Stress
Interventions
Immune-enhancing nutritional beverage, Probiotics (BB-12), Placebo (for nutritional beverage and probiotic)
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 45 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Heart & Health Study

NCT00536185
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Sep 20, 2026, 12:43 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Toxicity and Safety Evaluation of an Omega-3 Fatty Acid and a Multivitamin and Antioxidant Nutritional Preparation

NCT01221714
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
AmeriSciences LP
Industry
Eligibility
21 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Pearl, Mississippi • Charlotte, North Carolina • Logan, West Virginia
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Not applicable Interventional Results available

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

NCT00402285
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 31, 2015 · Synced Sep 20, 2026, 12:43 PM 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 17, 2026 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Phase 3 Interventional Results available

Intervention With Vitamin D and Omega-3 Supplements and Incident Heart Failure

NCT02271230
View directory record Official record
Conditions
Heart Failure
Interventions
Vitamin D and fish oil, Fish oil (EPA/DHA) alone, Vitamin D alone, Placebo
Drug · Dietary Supplement · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
25,871 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Phase 4 Interventional Results available

Inositol and Omega-3 Fatty Acids in Pediatric Mania

NCT01396486
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 12, 2020 · Synced Sep 20, 2026, 12:43 PM EDT
Not listed No phase listed Observational

Effects of Omega-3 Fatty Acids on Platelets in Patients With Coronary Artery Disease With Hypertriglyceridemia

NCT01086163
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Omacor, omega-3 fatty acids in CAD patients
Drug
Lead sponsor
HeartDrug Research LLC
Other
Eligibility
50 Years to 60 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 11, 2010 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthy Brains & Behavior: Understanding and Treating Youth Aggression

NCT00842439
View directory record Official record
Conditions
Aggression
Interventions
CBI, NUT
Behavioral · Dietary Supplement
Lead sponsor
University of Pennsylvania
Other
Eligibility
11 Years to 12 Years
Enrollment
335 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 18, 2016 · Synced Sep 20, 2026, 12:43 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study of a Dietary Supplement on Serum Biomarkers in Children

NCT07385144
View directory record Official record
Conditions
Nutritional Status, Serum Biomarkers
Interventions
Dietary Supplement (Kids Multi & Omegas)
Dietary Supplement
Lead sponsor
SF Research Institute, Inc.
Network
Eligibility
4 Years to 15 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ranger Resilience and Improved Performance on Phospholipid Bound Omega-3's

NCT02908932
View directory record Official record
Conditions
Nutrition, Fatty Acids, Omega-3, Cognition, Resilience, Psychological, Psychology, Military
Interventions
Phospholipid-bound omega-3 supplement, Placebo supplement
Dietary Supplement
Lead sponsor
Medical University of South Carolina
Other
Eligibility
Not listed
Enrollment
555 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
3
States / cities
Fort Benning, Georgia • Bethesda, Maryland • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Phase 2 Interventional

Effect of a Mediterranean Diet and Omega-3 Fatty Acids on Oxidative Stress and Endothelial Progenitor Cells (EPC's)

NCT00166088
View directory record Official record
Conditions
Obesity
Interventions
Mediterranean Diet, Mediterranean Dietary Supplement
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
40 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 17, 2013 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Not applicable Interventional

Fish Oil to Prevent Asthma Exacerbations in Patients With ALOX5 Polymorphisms

NCT00621829
View directory record Official record
Conditions
Asthma
Interventions
EPA enriched fish oils
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Sep 20, 2026, 12:43 PM EDT
Not listed Phase 4 Interventional

A Prospective Study to Evaluate the Raindrop Near Vision Inlay in Presbyopic Patients With Treatments to Optimize the Ocular Surface Before Implantation

NCT03126877
View directory record Official record
Conditions
Presbyopia
Interventions
Mitomycin C, Raindrop Near Vision Inlay
Drug · Device
Lead sponsor
Whitten Laser Eye
Other
Eligibility
41 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 13, 2017 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Efficacy of Fish Oil or Olive Oil Supplementation on the Health Effects of Ozone Exposure in Healthy Young Subjects

NCT03395119
View directory record Official record
Conditions
Healthy, Dietary Supplement
Interventions
Ozone, Fish Oil, Olive Oil
Drug · Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Not applicable Interventional

A Nutrition Intervention for Arthritis -4 (WCCR-ARTH4)

NCT03580681
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Plant-based diet, Supplement
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 90 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Sep 20, 2026, 12:43 PM EDT
Recruiting Early Phase 1 Interventional

Tart Cherry and Omega-3's for Aromatase Inhibitor Musculoskeletal Symptoms

NCT06123286
View directory record Official record
Conditions
Breast Cancer, Aromatase Inhibitor Associated Musculoskeletal Symptoms (AIMSS), Joint Pain
Interventions
Tart Cherry, Omega 3 FA (Fish Oil)
Drug
Lead sponsor
Philip Chang
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Los Angeles, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Not applicable Interventional

Memory Improvement With Docosahexaenoic Acid Study (MIDAS)

NCT00278135
View directory record Official record
Conditions
Age-Related Cognitive Decline, Age-Related Memory Disorders
Interventions
DHA (nutritional supplement) or placebo
Dietary Supplement
Lead sponsor
dsm-firmenich Switzerland AG
Industry
Eligibility
55 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
14
States / cities
Mesa, Arizona • San Diego, California • Vista, California + 11 more
Source: ClinicalTrials.gov public record
Updated May 18, 2014 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Not applicable Interventional Results available

Omega-3 Dietary Supplements in Schizophrenia

NCT01786239
View directory record Official record
Conditions
Schizophrenia, Schizophreniform Disorder, Schizoaffective Disorder, Bipolar Disorder, Psychosis NOS
Interventions
Risperidone, Omega-3 capsules, Placebo
Drug
Lead sponsor
Delbert Robinson
Other
Eligibility
15 Years to 40 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Glen Oaks, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Phase 2 Interventional

Alternate Day Prednisone or Daily Fish Oil Supplements in Patients With Immunoglobulin A Nephropathy

NCT00004448
View directory record Official record
Conditions
IgA Glomerulonephritis
Interventions
omega-3 fatty acids, prednisone, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
Up to 40 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2007
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2025 · Synced Sep 20, 2026, 12:43 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

DHA Supplements to Improve Insulin Sensitivity in Obese Pregnant Women (The Omega-3 Pregnancy Study)

NCT00865683
View directory record Official record
Conditions
Overweight and Obesity, Insulin Resistance, Diabetes, Gestational, Hypertension in Pregnancy, Pre-Eclampsia
Interventions
DHA Supplements, Placebo Supplements
Dietary Supplement
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 14, 2009 · Synced Sep 20, 2026, 12:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Fish Oils: Emulsified Versus Capsular Triglyceride

NCT01488747
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 2, 2018 · Synced Sep 20, 2026, 12:43 PM EDT