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ClinicalTrials.gov public records Last synced Sep 30, 2026, 6:59 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 92 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo Seeding Clear all
Withdrawn Phase 3 Interventional Accepts healthy volunteers

Evaluation of the Efficacy of Xylitol Nasal Spray Against SARS-CoV-2

NCT04610801
View directory record Official record
Conditions
Covid19
Interventions
Nasal Spray
Drug
Lead sponsor
Larkin Community Hospital
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 16, 2023 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gluten Ingestion Biomarkers in Patients w Gluten Sensitivity and Healthy Controls Peptides in Patients With Non-celiac Gluten Sensitivity and Healthy Patients: A Placebo-controlled Study

NCT02936297
View directory record Official record
Conditions
Non Celiac Gluten Sensitivity
Interventions
High dose Gluten, Low dose Gluten, Lactose free placebo
Dietary Supplement
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 80 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of 7 Days of Grape Seed Extract Supplementation on Cold Pressor Test and Muscle Metaboreflex in Individuals With Elevated and Stage 1 Hypertension

NCT06428890
View directory record Official record
Conditions
Prehypertension
Interventions
Grape Seed Extract, Placebo
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated May 24, 2024 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Not applicable Interventional Results available

The Effect of Grape Seed Extract on Blood Pressure in People With Pre-Hypertension

NCT00979732
View directory record Official record
Conditions
Hypertension
Interventions
grape seed extract, grape seed extract placebo
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
25 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Early Phase 1 Interventional Results available

Using MASL to Combat Oral Cancer

NCT04188665
View directory record Official record
Conditions
Squamous Cell Carcinoma of Head and Neck
Interventions
MASL, Placebo
Drug · Other
Lead sponsor
Rowan University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
4
States / cities
Newark, New Jersey • Stratford, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Not applicable Interventional

Yeahhh Baby! Ointment on Hip and/or Knee Pain in Men and Women

NCT04764552
View directory record Official record
Conditions
Joint Pain
Interventions
Yeahhh Baby Ointment, Coconut oil ointment
Dietary Supplement · Other
Lead sponsor
University of Memphis
Other
Eligibility
35 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 29, 2021 · Synced Sep 30, 2026, 6:59 PM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Evaluation of Broccoli Seed and Sprout Extract for Detoxification of Carcinogens in Firefighters

NCT06009926
View directory record Official record
Conditions
Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm, Occupational Malignant Neoplasm
Interventions
Acetaminophen, Biospecimen Collection, Broccoli Sprout/Broccoli Seed Extract Supplement, Placebo Administration, Questionnaire Administration, Training
Drug · Procedure · Dietary Supplement + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Phase 3 Interventional Results available

Borage and Echium Seed Oils for Asthma

NCT01560988
View directory record Official record
Conditions
Asthma
Interventions
Borage and Echium Seed Oils, Corn oil pills
Drug · Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Treatment of Bronchial Asthma With Borage and Echium Seed Oils

NCT00806442
View directory record Official record
Conditions
Bronchial Asthma
Interventions
Borage Seed Oil and Echium Seed Oil, Corn Oil
Drug · Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 3, 2017 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Not applicable Interventional

Omega-3 Fatty Acids in Children and Adolescents With Bipolar Disorder

NCT00252486
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Flax oil
Drug
Lead sponsor
University of Rochester
Other
Eligibility
6 Years to 17 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 19, 2013 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Phase 2 Interventional

Reducing Pain and Opioid Use With CBD

NCT05299944
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 12, 2025 · Synced Sep 30, 2026, 6:59 PM EDT
Recruiting Phase 2 Interventional

Cannabidiol and Alcohol Use Disorder Phenotypes

NCT07279558
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Full-Spectrum Cannabidiol (CBD), Broad-Spectrum Cannabidiol (CBD), Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Intestinal Permeability 4 Hours After Gluten Challenge

NCT03288831
View directory record Official record
Conditions
Celiac Disease, Wheat Hypersensitivity, Gluten Sensitivity, Gluten Enteropathy, Immune System and Related Disorders, Duodenal Diseases
Interventions
Gluten, Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 7, 2019 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Radicle Clarity™ RBB: A Study Assessing the Impact of Health and Wellness Products on Cognitive Function and Related Health Outcomes

NCT07245784
View directory record Official record
Conditions
Cognitive Function
Interventions
Clarity Product Placebo Control, Clarity Active Product 1
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Del Mar, California
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Phase 1 Interventional

Efficacy of Epidiolex in Patients With Electrical Status Epilepticus of Sleep (ESES).

NCT04721691
View directory record Official record
Conditions
Electrical Status Epilepticus of Slow-Wave Sleep
Interventions
Epidiolex 100 mg/mL Oral Solution, Placebo
Drug · Other
Lead sponsor
Northwell Health
Other
Eligibility
2 Years to 17 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Lake Success, New York
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Phase 1 Interventional

A Pilot Study of the Grapefruit Flavonoid Naringenin for HCV Infection

NCT01091077
View directory record Official record
Conditions
Hepatitis C Virus, HCV Infection, Chronic HCV, Hepatitis C
Interventions
Naringenin
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of the Inno Cleanse Dietary Supplement on Gut Health and Associated Variables in Healthy Men and Women

NCT07215351
View directory record Official record
Conditions
Constipation, Bloating
Interventions
Dietary supplement for digestive health, placebo capsule
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Phase 2 Interventional

CBD for the Treatment of Alcohol Use Disorder

NCT04873453
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Sep 30, 2026, 6:59 PM EDT
Terminated Not applicable Interventional Results available

Effect of Fenugreek on Milk Production

NCT00851591
View directory record Official record
Conditions
Lactation
Interventions
fenugreek, Placebo (Psyllium)
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Amarillo, Texas
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Chronic Dietary Grape Seed Extract Supplementation on Aortic Stiffness and Hemodynamic Responses to Exercise in Obese Males

NCT04465110
View directory record Official record
Conditions
Obesity Adult Onset
Interventions
Grape Seed Extract
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Sulforaphane Treatment of Children With Autism Spectrum Disorder (ASD)

NCT02561481
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Sulforaphane, Placebo
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
3 Years to 12 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 17, 2020 · Synced Sep 30, 2026, 6:59 PM EDT
Active, not recruiting Early Phase 1 Interventional

Vaginal Microbiome Exposure and Immune Responses in C-section Infants

NCT03567707
View directory record Official record
Conditions
Allergic Diseases, Asthma
Interventions
Vaginal seeding, Placebo Seeding, Standard care, Post-seeding Care
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Sep 30, 2026, 6:59 PM EDT
Completed Not applicable Interventional

Effects of Chardonnay Seed Flour on Vascular Health

NCT02093455
View directory record Official record
Conditions
1. Endothelial Dysfunction (EndoPAT Score <=2)
Interventions
Chardonnay Seed Flour (CSF), Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 11, 2022 · Synced Sep 30, 2026, 6:59 PM EDT
Recruiting Phase 2Phase 3 Interventional

Alcohol Use Disorder and Cannabidiol

NCT05613608
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 30, 2026, 6:59 PM EDT