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ClinicalTrials.gov public records Last synced Oct 17, 2026, 1:12 PM EDT

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Showing 1–24 of 229 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: DHA oil Clear all
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 17, 2026, 1:12 PM EDT
Terminated Phase 2 Interventional Results available

Vitamin D and n-3 Polyunsaturated Fatty Acids (PUFAs) to Prevent Chronic Pain Following Major Thermal Burn Injury

NCT03313076
View directory record Official record
Conditions
Chronic Pain Following Thermal Burn Injury
Interventions
Omega-3 fatty acids (fish oil), Vitamin D3 (cholecalciferol), Vitamin D3 (cholecalciferol) placebo, Omega-3 fatty acid placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of EPA/DHA in of Ruby-O and Krill Oil

NCT05438173
View directory record Official record
Conditions
Bioavailability
Interventions
EPA + DHA Ruby-O, EPA + DHA Krill Oil
Dietary Supplement
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Port Saint Lucie, Florida
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Lipoic Acid and Omega-3 Fatty Acids for Alzheimer's Disease

NCT01058941
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Lipoic acid and fish oil concentrate, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
55 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Oct 17, 2026, 1:12 PM 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 16, 2015 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of VisionPure™ on Indices of Vision Health and Cognitive Function

NCT05533658
View directory record Official record
Conditions
Eye Health, Vision, Cognitive Function
Interventions
VisionPure Dietary Supplement, Placebo
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years to 40 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
3
States / cities
Lutz, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 26, 2023 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Phase 2 Interventional Results available

The Role Of Omega-3 Fatty Acids In Adolescent Depression

NCT00962598
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Omega 3 Fatty Acids, Corn oil
Drug · Dietary Supplement
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
12 Years to 19 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Oct 17, 2026, 1:12 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 15, 2021 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Effects of DHA on Periodontitis

NCT01976806
View directory record Official record
Conditions
Periodontitis, Gingivitis, Inflammation
Interventions
Aspirin, Docosahexaenoic acid, Placebo (for Docosahexaenoic acid)
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
40 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 13, 2017 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Not applicable Interventional Results available

A Pilot Study of Eicosapentaenoic Acid (EPA) in Patients With Cancer Cachexia

NCT00815685
View directory record Official record
Conditions
Cancer Cachexia
Interventions
Eicosapentaenoic Acid
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
25 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
2
States / cities
Stuart, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Fish Oil Study for High Triglyceride Levels in Children

NCT00915902
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
Omega-3-acid ethyl esters, Placebo
Drug
Lead sponsor
Babu Balagopal
Other
Eligibility
10 Years to 17 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
3
States / cities
Wilmington, Delaware • Baltimore, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Phase 3 Interventional Results available

Effects of Vitamin D and Fish Oil on the Kidney in Hypertensives

NCT02757872
View directory record Official record
Conditions
Hypertension, Kidney Diseases
Interventions
Vitamin D3, Omega-3 Fatty acids, Vitamin D3 placebo, Fish oil placebo
Dietary Supplement · Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
50 Years to 99 Years
Enrollment
2,232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 31, 2024 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Cognitive Ageing Nutrition and Neurogenesis (CANN) Trial

NCT02525198
View directory record Official record
Conditions
Mild Cognitive Impairment, Subjective Memory Impairment
Interventions
fatty acid/flavonoid blend, Placebo
Dietary Supplement
Lead sponsor
University of East Anglia
Other
Eligibility
55 Years and older
Enrollment
259 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated May 14, 2024 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Assessment of DHA On Reducing Early Preterm Birth

NCT02626299
View directory record Official record
Conditions
Preterm Birth
Interventions
Docosahexaenoic acid - 800mg/day, Docosahexaenoic acid - 200mg/day, Placebo
Drug · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
1,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
3
States / cities
Kansas City, Kansas • Cincinnati, Ohio • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 30, 2021 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Neurochemical Effects of Omega-3 Fatty Acids in Adolescents at Risk for Mania

NCT00917501
View directory record Official record
Conditions
Mania
Interventions
OMega 3, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
10 Years to 21 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 13, 2019 · Synced Oct 17, 2026, 1:12 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 4, 2026 · Synced Oct 17, 2026, 1:12 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

VITAL Rhythm Study

NCT02178410
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Vitamin D3, Omega-3 fatty acids (fish oil), Fish oil placebo, Vitamin D3 placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
25,119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Oct 17, 2026, 1:12 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Eicosapentaenoic Acid (EPA)and Docosahexaenoic Acid Study

NCT01400490
View directory record Official record
Conditions
Heart Disease
Interventions
EPA-DHA Study
Dietary Supplement
Lead sponsor
Cardiovascular Research Associates
Network
Eligibility
21 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2011 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Phase 3 Interventional Results available

Effect of Omega-3 Fatty Acid on Cortical Function in ADHD

NCT01883817
View directory record Official record
Conditions
Attention Deficit Disorder
Interventions
DHA Omega-3, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
5 Years to 15 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 16, 2022 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Phase 4 Interventional Results available

Efficacy of Fish Oil in Lupus Patients

NCT00828178
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Omega-3, flow-mediated dilation of the brachial artery, corn starch
Drug · Device · Other
Lead sponsor
Michelle Petri M.D.,MPH
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 18, 2016 · Synced Oct 17, 2026, 1:12 PM EDT
Not listed Phase 2 Interventional

A Randomized Trial of LOVAZA in Pediatric Sickle Cell Disease (SCD)

NCT01202812
View directory record Official record
Conditions
Sickle Cell Disease, HEMOGLOBIN SS, Hemoglobin S Beta-0 Thalassemia, Inflammation, Quality of Life
Interventions
Omega-3 Fatty Acids: Eicosapentaenoic Acid (EPA) and Docosahexaenoic Acid (DHA), Placebo Capsules
Dietary Supplement · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
10 Years to 19 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 25, 2010 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Fish Oil Supplementation on the Brain Health of Collegiate Football Athletes

NCT04796207
View directory record Official record
Conditions
Traumatic Brain Injury (TBI), Chronic Traumatic Encephalopathy (CTE)
Interventions
Fish Oil (DPA+EPA 2:1 ratio) Capsules, High Oleic Safflower Oil Capsules
Dietary Supplement
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 9, 2025 · Synced Oct 17, 2026, 1:12 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Randomized Trial of DHA for Retinitis Pigmentosa Patients Receiving Vitamin A

NCT00000116
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Vitamin A, Docosahexaenoic acid, Control fatty acid
Dietary Supplement
Lead sponsor
Carol Weigel DiFranco
NIH
Eligibility
18 Years to 55 Years
Enrollment
221 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 2002
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 8, 2023 · Synced Oct 17, 2026, 1:12 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 17, 2026, 1:12 PM EDT