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ClinicalTrials.gov public records Last synced Nov 1, 2026, 5:25 AM EST

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Showing 1–24 of 195 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: placebo juice Clear all
Recruiting Not applicable Interventional

BEETroot Juice to Reverse Functional Impairment in PAD

NCT05624125
View directory record Official record
Conditions
Peripheral Artery Disease
Interventions
Beetroot juice, Placebo
Other
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
4
States / cities
Chicago, Illinois • Minneapolis, Minnesota • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Nov 1, 2026, 5:25 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Neural Mechanisms Underlying Nicotine and Alcohol Combinations

NCT02049268
View directory record Official record
Conditions
Focus: Effects of Nicotine and Alcohol on Brain Circuits
Interventions
Nicotine + Alcohol, Placebo Nicotine + Alcohol, Nicotine + Placebo Alcohol
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
21 Years to 40 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 3, 2017 · Synced Nov 1, 2026, 5:25 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D2, Muscle Damage, NASCAR Pitcrew

NCT01825616
View directory record Official record
Conditions
Muscle Function, Muscle Soreness, Vitamin D Status
Interventions
Vitamin D2 mushroom powder, Placebo
Dietary Supplement · Other
Lead sponsor
Appalachian State University
Other
Eligibility
20 Years to 40 Years · Male only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
3
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 9, 2013 · Synced Nov 1, 2026, 5:25 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Impact of JuicePlus+ on the Health Status of an Overweight Stressed Population

NCT02512107
View directory record Official record
Conditions
Inflammation
Interventions
Juice Plus+, Placebo
Dietary Supplement · Other
Lead sponsor
University of Memphis
Other
Eligibility
25 Years to 50 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Nov 1, 2026, 5:25 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Loperamide Grapefruit Juice Interaction PK Trial

NCT00806299
View directory record Official record
Conditions
Drug Interaction
Interventions
Loperamide / Red Grapefruit Juice, Loperamide/ White Grapefruit Juice, Loperamide / Pink Grapefruit Juice
Drug
Lead sponsor
Johnson & Johnson Consumer and Personal Products Worldwide
Industry
Eligibility
18 Years to 59 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Oct 6, 2011 · Synced Nov 1, 2026, 5:25 AM EST
Recruiting Phase 3 Interventional

SMART Exercise for PAD

NCT06032065
View directory record Official record
Conditions
Peripheral Arterial Disease, Aging, Peripheral Vascular Diseases, Walking, Difficulty
Interventions
Supervised Treadmill Exercise, Home-Based Exercise, Nitrate-rich beetroot Juice
Behavioral · Dietary Supplement
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
3
States / cities
Chicago, Illinois • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Nov 1, 2026, 5:25 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Assess the Synergistic Effects of a Cranberry Beverage on Cognitive Function

NCT05008549
View directory record Official record
Conditions
Attention, Mood
Interventions
Cranberry Juice Product
Dietary Supplement
Lead sponsor
Ocean Spray Cranberries, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 7, 2023 · Synced Nov 1, 2026, 5:25 AM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Cranberry Polyphenols and Stress Resilience During Multitasking in Healthy Adults

NCT07453537
View directory record Official record
Conditions
Stress Response, Mental Stress, Multitasking Behavior and Multitasking Ability, Physiological Stress, Cognitive Symptoms, Motor Activity
Interventions
Cranberry juice, Placebo juice
Other
Lead sponsor
University of Florida
Other
Eligibility
30 Years to 55 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Nov 1, 2026, 5:25 AM EST
Completed Phase 1Phase 2 Interventional Results available

Effect of Elderberry Juice on Cognition and Inflammation in Patients With Mild Cognitive Impairment

NCT02414607
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Elderberry Juice, Placebo
Biological · Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 23, 2022 · Synced Nov 1, 2026, 5:25 AM EST
Completed Phase 1 Interventional

Effects of Wild Blueberry Ingestion on Motor Performance of People With Parkinson's Disease

NCT07720869
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Wild blueberry powder, Placebo
Dietary Supplement · Other
Lead sponsor
Louisiana State University, Baton Rouge
Other
Eligibility
50 Years to 89 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
3
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Nov 1, 2026, 5:25 AM EST
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Dietary Nitrate for Heart Failure

NCT01682356
View directory record Official record
Conditions
Heart Failure, Hypertension, Pulmonary
Interventions
Beetroot juice
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2023
U.S. locations
2
States / cities
Indianapolis, Indiana • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Nov 1, 2026, 5:25 AM EST
Completed Not applicable Interventional

Strength Testing After Nitrate Delivery (STAND) in ICU Patients

NCT02293616
View directory record Official record
Conditions
Respiratory Failure
Interventions
Nitrate Rich Beetroot Juice, Placebo
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
56 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 18, 2018 · Synced Nov 1, 2026, 5:25 AM EST
Terminated Phase 1 Interventional

Evaluate Use of Mangosteen Juice Added to Usual Care in Reducing Risk of Recurrent Atrial Fibrillation

NCT00951301
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
mangosteen juice, placebo juice
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 16, 2016 · Synced Nov 1, 2026, 5:25 AM EST
Not yet recruiting Not applicable Interventional

Inorganic Nitrate as a Treatment for ANOCA: NO-ANOCA

NCT06948201
View directory record Official record
Conditions
Coronary Microvascular Dysfunction (CMD), Angina Patients With Non-obstructive Coronary Artery Disease
Interventions
70mL Nitrate Rich Beetroot Juice followed by placebo (Nitrate depleted beetroot juice), Placebo (70 mL Nitrate depleted beetroot juice) followed by 70mL Nitrate Rich Beetroot Juice
Dietary Supplement
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Nov 1, 2026, 5:25 AM EST
Completed Phase 1Phase 2 Interventional Results available

N-acetylcysteine to Reduce Oxidative Stress and Improve Endothelial Function in HIV-infected Older Adults

NCT01962961
View directory record Official record
Conditions
HIV, Endothelial Dysfunction, Oxidative Stress
Interventions
PharmaNAC (N-acetylcysteine), Matching placebo
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 8, 2016 · Synced Nov 1, 2026, 5:25 AM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Breathing Training and Nitrate on Exercise at Simulated Altitude

NCT07216755
View directory record Official record
Conditions
Healthy Adults, Mechanical Ventilation Dependence, Hypoxia, Exercise Training, Exercise Intolerance, Dietary Supplement, Nitrate Supplementation, Inspiratory Muscle Training
Interventions
Respiratory Muscle Training (RMT), Sham Respiratory Muscle Training, Dietary Supplement: Beetroot Juice Concentrate, placebo beverage
Device · Dietary Supplement
Lead sponsor
Embry-Riddle Aeronautical University
Other
Eligibility
18 Years to 40 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Nov 1, 2026, 5:25 AM EST
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Feasibility Study of N-acetylcysteine for Self-injurious Behavior in Children With Autism Spectrum Disorder

NCT03008889
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
5 Years to 12 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Nov 1, 2026, 5:25 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Bowman-Birk Inhibitor Concentrate in Preventing Cancer in Healthy Men

NCT00287833
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
placebo, Bowman-Birk inhibitor concentrate
Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 65 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2013 · Synced Nov 1, 2026, 5:25 AM EST
Completed Not applicable Interventional

Cardiovascular Function in Cancer Survivors

NCT03776149
View directory record Official record
Conditions
Cancer Survivor With History of Anthracycline Chemotherapy
Interventions
Beetroot juice, Black currant juice
Dietary Supplement
Lead sponsor
Kansas State University
Other
Eligibility
21 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Nov 1, 2026, 5:25 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Inorganic Nitrate: Sex Differences in Muscle Contractile Function and Efficiency

NCT04588740
View directory record Official record
Conditions
Healthy
Interventions
concentrated beet root juice, Placebo beet root juice
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 34 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Nov 1, 2026, 5:25 AM EST
Completed Phase 2 Interventional Results available

Examining the Impact of Sirolimus on Ketamine's Antidepressant Effects

NCT02487485
View directory record Official record
Conditions
Depression
Interventions
Ketamine, sirolimus, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
2
States / cities
New Haven, Connecticut • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 16, 2020 · Synced Nov 1, 2026, 5:25 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Activity Levels, Inflammatory Markers, and Overall Wellness.

NCT03619265
View directory record Official record
Conditions
Range of Motion
Interventions
Prickly pear juice, Pear-flavored juice
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
35 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Nov 1, 2026, 5:25 AM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Purple Grape Juice Study

NCT00551746
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Purple Grape Juice
Dietary Supplement
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated Sep 16, 2011 · Synced Nov 1, 2026, 5:25 AM EST
Not yet recruiting Phase 1 Interventional

Impact of BPC-157 on Recovery Following Rotator Cuff Repair Surgery

NCT07803250
View directory record Official record
Conditions
Rotator Cuff Tear
Interventions
BPC-157, Sham (No Treatment)
Drug · Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Nov 1, 2026, 5:25 AM EST