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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Omega 3 Clear all
Completed Phase 4 Interventional Results available

Omega Tots: A Randomized, Controlled Trial of Long-chain Polyunsaturated Fatty Acid Supplementation of Toddler Diets and Developmental Outcomes

NCT01576783
View directory record Official record
Conditions
Preterm Birth, Child Development
Interventions
Docosahexaenoic Acid + Arachidonic Acid (DHA+AA), Placebo
Drug · Dietary Supplement
Lead sponsor
Sarah Keim
Other
Eligibility
10 Months to 16 Months
Enrollment
377 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Sep 4, 2026, 9:19 AM 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 4, 2026, 9:19 AM EDT
Completed Not applicable Interventional Results available

Effects of Fatty Acid Delivery on Heart Metabolism and Function in Type 2 Diabetes (T2DM

NCT00577590
View directory record Official record
Conditions
Diabetes Mellitus, Type II
Interventions
Metformin, Rosiglitazone, Lovaza
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Not applicable Interventional

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

NCT03208920
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Canola Oil Multi-center Intervention Trial II

NCT03054779
View directory record Official record
Conditions
Cardiovascular Disease, Metabolic Syndrome
Interventions
Canola Oil, High oleic acid canola oil, Western diet oil combination
Other
Lead sponsor
Penn State University
Other
Eligibility
20 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Phase 1 Interventional

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

NCT01381354
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Not applicable Interventional

Adaptive Symptom Care Using Fish-Based Nutritional Directives Post Breast Cancer

NCT04293874
View directory record Official record
Conditions
Fatigue, Depression, Pain, Sleep Disturbance, Stress, Survivorship, Breast Cancer, Dietary Habits
Interventions
Personalized Meal Plan, Dietary Omega-3LC intervention
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
35 Years to 70 Years · Female only
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Vitamin D Supplementation on Cardiac Structure and Function

NCT01630213
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Vitamin D3 + fish oil/fish oil placebo, Vitamin D3 placebo + fish oil/fish oil placebo
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years and older
Enrollment
1,025 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega-3 Fatty Acids and Muscle Protein Synthesis

NCT00794079
View directory record Official record
Conditions
Healthy
Interventions
omega-3 fatty acids, corn oil
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 85 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 2, 2011 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Weight Loss Plus Omega-3 Fatty Acids or Placebo in High Risk Women

NCT02101970
View directory record Official record
Conditions
Breast Cancer
Interventions
Omega-3 Fatty Acids, Placebo Capsule, Diet and Exercise
Dietary Supplement · Other
Lead sponsor
Carol Fabian, MD
Other
Eligibility
45 Years to 70 Years · Female only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2022 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Phase 2 Interventional Results available

Evaluation of Omegaven™ Parenteral Nutrition in Patients With Total Parenteral Nutrition (TPN)-Induced Cholestasis

NCT00826020
View directory record Official record
Conditions
Parenteral Nutrition Associated Liver Disease PNALD, Cholestasis
Interventions
Omegaven™
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Phase 2 Interventional

The Effects of Omega-3 Fatty Acids on Peripheral Arterial Disease II

NCT01979874
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Pro-Omega, ProOmega Placebo
Dietary Supplement · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
50 Years to 100 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 21, 2019 · Synced Sep 4, 2026, 9:19 AM EDT
Active, not recruiting Not applicable Interventional

Omega 3 Fatty Acids and ERPR(-)HER2(+/-) Breast Cancer Prevention

NCT02295059
View directory record Official record
Conditions
Breast Cancer
Interventions
omega 3 fatty acids
Dietary Supplement
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
2
States / cities
Duarte, California • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega 7 + 3 Combination and Systemic Inflammation

NCT02155816
View directory record Official record
Conditions
Inflammation
Interventions
Omega 7 + 3, Omega 3, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 15, 2015 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Not applicable Interventional

Efficacy and Safety Study of Nutritional Supplements for Treatments of Dry Eye

NCT00883649
View directory record Official record
Conditions
Keratoconjunctivitis Sicca
Interventions
Hydroeye, Inactive Capsule
Dietary Supplement · Other
Lead sponsor
Virginia Eye Consultants
Other
Eligibility
40 Years and older · Female only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
2
States / cities
Houston, Texas • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 19, 2012 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Phase 3 Interventional

PUFA Augmentation in Treatment of Major Depression

NCT00067301
View directory record Official record
Conditions
Major Depression
Interventions
Polyunsaturated Fatty Acids (PUFA), Citalopram
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 24, 2008 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Omega-3 Fatty Acids on Markers of Inflammation

NCT01129050
View directory record Official record
Conditions
Obesity, Hypertriglyceridemia, Insulin Resistance, Hypertension
Interventions
Fish Oil, Flaxseed Oil, Placebo
Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

DHA Supplementation and Pregnancy Outcome

NCT00266825
View directory record Official record
Conditions
Pregnancy
Interventions
DHA, Placebo capsule
Drug · Other
Lead sponsor
Susan Carlson, PhD
Other
Eligibility
16 Years to 36 Years · Female only
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
2
States / cities
Kansas City, Kansas • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 13, 2016 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Phase 2 Interventional Results available

Omega-3 Fatty Acids for Autism Treatment

NCT00786799
View directory record Official record
Conditions
Autism
Interventions
Omega-3 Fatty Acids
Dietary Supplement
Lead sponsor
University of California, San Francisco
Other
Eligibility
3 Years to 8 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 30, 2012 · Synced Sep 4, 2026, 9:19 AM EDT
Terminated Phase 2 Interventional

The Effect of Omega 3 Supplementation on Postoperative Delirium in Elderly Patients Undergoing Major Cardiac Surgery

NCT06434948
View directory record Official record
Conditions
Postoperative Delirium
Interventions
Omega-3 Ethyl Esters 4 g, Omega-3 Ethyl Esters 2 g
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
65 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Not applicable Interventional

Omega-3 Fatty Acid Dietary Intervention (O3DI)

NCT05025943
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
Diet intervention, Control group
Other
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
10 Years to 17 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Sep 4, 2026, 9:19 AM EDT
Withdrawn Phase 2 Interventional

Omacor for Perimenopausal Depression

NCT00517972
View directory record Official record
Conditions
Depression
Interventions
Omacor (omega-3-acid ethyl esters)
Drug
Lead sponsor
University of Arizona
Other
Eligibility
40 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 28, 2012 · Synced Sep 4, 2026, 9:19 AM EDT
Completed Phase 3 Interventional Results available

Epanova® for Lowering Very High Triglycerides II (EVOLVE II)

NCT02009865
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
Epanova, Olive Oil
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
15
States / cities
Los Angeles, California • St. Petersburg, Florida • Addison, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2019 · Synced Sep 4, 2026, 9:19 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Omega-3 Fatty Acids in Sickle Cell Disease

NCT02947100
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
SCD-Omegatex™
Drug
Lead sponsor
Robin E. Miller
Other
Eligibility
8 Years to 25 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Oct 18, 2020 · Synced Sep 4, 2026, 9:19 AM EDT