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ClinicalTrials.gov public records Last synced Oct 5, 2026, 7:16 PM EDT

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Showing 49–72 of 231 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo of fish oil Clear all
Not listed Phase 2Phase 3 Interventional

The Influence Of a Natural Anti-Inflammatory Product On Levels Of Inflammatory Markers In Cases With Osteoarthritis Of Knee

NCT02333084
View directory record Official record
Conditions
Osteoarthritis
Interventions
PRN Joint Health Formula, placebo, PRN Flex Omega Benefits® combination
Dietary Supplement
Lead sponsor
Physician Recommended Nutriceuticals
Industry
Eligibility
18 Years to 90 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 4, 2016 · Synced Oct 5, 2026, 7:16 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

VITamin D and OmegA-3 TriaL: Effects on Mammographic Density and Breast Tissue

NCT02239874
View directory record Official record
Conditions
Benign Breast Disease
Interventions
Vitamin D and fish oil placebo, Fish oil and vitamin D placebo, Vitamin D placebo and fish oil placebo, Vitamin D and fish oil
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
55 Years to 67 Years · Female only
Enrollment
3,894 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 7, 2022 · Synced Oct 5, 2026, 7:16 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers Results available

Vitamin D and Omega-3 Trial (VITAL)

NCT01169259
View directory record Official record
Conditions
Cancer, Cardiovascular Disease
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
25,871 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 5, 2026, 7:16 PM EDT
Withdrawn Not applicable Interventional

Study of Supplementation of Antidepressants With Fish Oil to Improve Time to Clinical Response

NCT00963196
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Omega-3 fatty acid, Bovine gelatin capsules
Dietary Supplement · Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 4, 2010 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Phase 2 Interventional

Omega-3 Fatty Acid Administration in Dialysis Patients

NCT00655525
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
fish oil, placebo
Dietary Supplement
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 23, 2014 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Dry Eye Assessment and Management: Feasibility Study

NCT01102257
View directory record Official record
Conditions
Dry Eye Syndromes, Keratoconjunctivitis Sicca
Interventions
Omega-3 EFA Supplement, Olive Oil
Drug
Lead sponsor
Asbell, Penny, M.D.
Individual
Eligibility
18 Years to 90 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 23, 2012 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Fish Oil Supplementation on Vocal Performance

NCT05141045
View directory record Official record
Conditions
Voice Range Profile, Reflux Symptom Index, Evaluation of Ability to Sing Easily, Body Composition
Interventions
omega-3 PUFA supplement, placebo
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 28 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Oct 5, 2026, 7:16 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 Feb 1, 2017 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Not applicable Interventional Results available

High Dose Omega-3 Fatty Acids in the Treatment of Sport Related Concussions

NCT01814527
View directory record Official record
Conditions
Mild Concussion, Brain Concussion, Cerebral Concussion
Interventions
Docosahexaenoic acid, Placebo
Dietary Supplement · Drug
Lead sponsor
East Carolina University
Other
Eligibility
18 Years to 40 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Phase 1Phase 2 Interventional Results available

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

NCT00090402
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Not applicable Interventional Results available

Impact of Omega-3 Fatty Acid Oral Therapy on Healing of Chronic Venous Leg Ulcers in Older Adults

NCT03576989
View directory record Official record
Conditions
Chronic Venous Leg Ulcers
Interventions
EPA+DHA, placebo
Dietary Supplement · Other
Lead sponsor
Ohio State University
Other
Eligibility
55 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Phase 1 Interventional

Effect of Fish Oil and Vitamin C on Exercise-Induced Bronchoconstriction and Airway Inflammation in Asthma

NCT01057615
View directory record Official record
Conditions
Asthma
Interventions
Fish Oil, Ascorbic Acid, Fish Oil Placebo, Ascorbic Acid Placebo
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 40 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 31, 2011 · Synced Oct 5, 2026, 7:16 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin D and Omega-3 Adiposity Trial (VITAL Adiposity)

NCT01785004
View directory record Official record
Conditions
Adiposity
Interventions
Vitamin D3 (cholecalciferol), 2000 IU per day, omega-3 fatty acids (fish oil)
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2021 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Not applicable Interventional

Nutritional Intervention to Prevent Diabetes

NCT00333554
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 29, 2020 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Omega-3 Fatty Acids for Smoking Cessation in Pregnancy

NCT04417595
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Pilot Study: Lipoic Acid and Omega-3 Fatty Acids for Alzheimer's Prevention

NCT01780974
View directory record Official record
Conditions
Treated Hypertension
Interventions
Lipoic Acid plus Omega-3 Fatty Acids, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
55 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 7, 2017 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Phase 3 Interventional Results available

S0927:Omega3-Fatty Acid Supp in Treating Muscle&Bone Pain&Stiffness in Pts W/Stg I,II,III Brst Canc Rec'v Hormone Thpy

NCT01385137
View directory record Official record
Conditions
Arthralgia, Breast Cancer, Pain
Interventions
omega-3 fatty acid, placebo
Dietary Supplement · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years to 120 Years · Female only
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
292
States / cities
Mobile, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 215 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2017 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MsFLASH-02: Interventions for Relief of Menopausal Symptoms: A 3-by-2 Factorial Design Examining Yoga, Exercise, and Omega-3 Supplementation

NCT01178892
View directory record Official record
Conditions
Hot Flashes, Menopause, Vasomotor Symptoms
Interventions
Placebo, Omega-3, Yoga, Exercise, Usual Activity
Dietary Supplement · Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
40 Years to 62 Years · Female only
Enrollment
355 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
3
States / cities
Oakland, California • Indianapolis, Indiana • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 22, 2014 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Phase 3 Interventional Results available

Effects of Docosahexaenoic Acid (DHA) on Fetal Cardiac Outcomes

NCT01007110
View directory record Official record
Conditions
Pregnancy
Interventions
DHA, Placebo
Dietary Supplement · Other
Lead sponsor
University of Kansas
Other
Eligibility
16 Years to 35 Years · Female only
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 9, 2014 · Synced Oct 5, 2026, 7:16 PM 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 22, 2023 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Phase 2 Interventional Results available

Decreasing Risk of Coronary Artery Disease in Schizophrenia by Omega-3 Fatty Acid Supplementation

NCT00167310
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Major Depression, Bipolar Disorder, Coronary Artery Disease
Interventions
Eicosapentaenoic acid (omega-3 fatty acid), Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Oct 5, 2026, 7:16 PM 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 24, 2022 · Synced Oct 5, 2026, 7:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega-3 Supplementation and Mental Health in College Students

NCT07391254
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 5, 2026, 7:16 PM EDT
Terminated Phase 3 Interventional

Study to Evaluate the Efficacy and Safety of ORMD-0801 in Subjects With Type 2 Diabetes Mellitus

NCT04606576
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Placebo, ORMD-0801 QD, ORMD-0801 BD
Other · Drug
Lead sponsor
Oramed, Ltd.
Industry
Eligibility
18 Years to 75 Years
Enrollment
710 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Tustin, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Oct 5, 2026, 7:16 PM EDT