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ClinicalTrials.gov public records Last synced Oct 10, 2026, 2:29 PM EDT

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Showing 73–96 of 479 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: cellulose placebo Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Multi-Ingredient Preworkout Supplement on Peak Torque and Muscle Activation During Fatigue

NCT07217210
View directory record Official record
Conditions
Healthy Adult Male
Interventions
Multi-ingredient preworkout supplement
Dietary Supplement
Lead sponsor
Northern Illinois University
Other
Eligibility
19 Years to 29 Years · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
DeKalb, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Phase 2 Interventional

Taurine as an Anti-Manic Agent: A Double-Blind, Placebo-Controlled Study

NCT00217165
View directory record Official record
Conditions
Bipolar Disorder, Mania, Bipolar Depression
Interventions
taurine
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 68 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 1, 2019 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Tolerability of Oral Supplementation With 1 mg of KGA-10 Daily (a Novel Environmentally-derived Mycolicibacterium) - a Pilot Study

NCT07660107
View directory record Official record
Conditions
Safety, Tolerability
Interventions
Heat-killed Mycolicibacterium petrae KGA-10 (NeuroAlly), Placebo (microcrystalline cellulose)
Dietary Supplement
Lead sponsor
Kioga Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Effects of Sulforaphane on Normal Prostate Tissue

NCT00946309
View directory record Official record
Conditions
Prostate Cancer
Interventions
High Sulforaphane Extract (Broccoli Sprout Extract), Microcrystalline Cellulose NF (placebo)
Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 15, 2016 · Synced Oct 10, 2026, 2:29 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Repurposing Lithium for Parkinson's Disease: a RCT

NCT06339034
View directory record Official record
Conditions
Parkinson Disease
Interventions
Lithium, Placebo
Dietary Supplement · Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
40 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Williamsville, New York
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 10, 2026, 2:29 PM EDT
Active, not recruiting Early Phase 1 Interventional

Modafinil and Cognitive Function in POTS

NCT01988883
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Placebo, Modafinil, Propranolol
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety and Tolerability of ISX (Isoxsuprine HCL) in MS Relapses

NCT03752307
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Isoxsuprine Hydrochloride, Placebo, Corticosteroid
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 50 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 6, 2024 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Citrulline Supplementation On Vascular Responsiveness and Function in Postmenopausal Women

NCT05600413
View directory record Official record
Conditions
Menopause
Interventions
L-Citrulline, Placebo
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
50 Years to 79 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Phase 2 Interventional Results available

Phase IIa: Safety, PK, & Tolerability of Sodium Nitrite in Patients With Peripheral Arterial Disease-SONIC

NCT01401517
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
sodium nitrite
Drug
Lead sponsor
TheraVasc Inc.
Industry
Eligibility
35 Years to 85 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
10
States / cities
Aurora, Colorado • Atlanta, Georgia • Iowa City, Iowa + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2020 · Synced Oct 10, 2026, 2:29 PM EDT
Recruiting Phase 1Phase 2 Interventional

Nicotinic Acid for the Treatment of Alzheimer's Disease

NCT06582706
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Placebo Comparator, Extended Release Niacin
Drug
Lead sponsor
Indiana University
Other
Eligibility
60 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 10, 2026, 2:29 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Pilot Study on the Effects of Psilocybin on Belief Updating and Insight Formation

NCT07818564
View directory record Official record
Conditions
Phase I
Interventions
Psilocybin (Usona Institute), Inactive Placebo (Usona Institute)
Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Phase 3 Interventional

Phase 3, Randomized, Placebo-Controlled Study of Tinlarebant to Explore Safety and Efficacy in Adolescent Stargardt Disease

NCT05244304
View directory record Official record
Conditions
Stargardt Disease 1
Interventions
Tinlarebant, Placebo
Drug
Lead sponsor
Belite Bio, Inc
Industry
Eligibility
12 Years to 20 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Palo Alto, California • Minneapolis, Minnesota • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Gut-Cued Eating on BMI and Efficacy of Open-Label Placebo to Augment Weight Loss

NCT03850990
View directory record Official record
Conditions
Eating Behavior, Obesity, Body Weight, Hunger
Interventions
Placebo pill and no placebo pill
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 4, 2021 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Phase 3 Interventional

Liprotamase Efficacy Trial in Patients With Cystic Fibrosis-Related Exocrine Pancreatic Insufficiency

NCT00449878
View directory record Official record
Conditions
Cystic Fibrosis, Exocrine Pancreatic Insufficiency
Interventions
Liprotamase, Placebo
Drug
Lead sponsor
Anthera Pharmaceuticals
Industry
Eligibility
7 Years and older
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
29
States / cities
Los Angeles, California • Stanford, California • Denver, Colorado + 26 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2014 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Phase 4 Interventional Results available

Treatment of Tinnitus With Migraine Medications

NCT04404439
View directory record Official record
Conditions
Tinnitus, Subjective, Tinnitus
Interventions
Nortriptyline + Topiramate, Verapamil + Paroxetine, Placebo
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
25 Years to 85 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Oct 10, 2026, 2:29 PM EDT
Recruiting Not applicable Interventional

GLYLO Supplement Pilot Trial on Glycation and Aging in Postmenopausal Women

NCT06813261
View directory record Official record
Conditions
Postmenopause, Metabolism, Geroscience
Interventions
GLYLO, Placebo
Other
Lead sponsor
Buck Institute for Research on Aging
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Novato, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Acetaminophen Versus Ibuprofen for the Control of Immediate and Delayed Pain Following Orthodontic Separator Placement

NCT00484744
View directory record Official record
Conditions
Orthodontic Pain
Interventions
Acetaminophen, Avicel (placebo), Ibuprofen
Drug
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
9 Years to 17 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
2
States / cities
Lee's Summit, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 20, 2020 · Synced Oct 10, 2026, 2:29 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Treatment of Chronic Laryngitis With Amitriptyline

NCT02552225
View directory record Official record
Conditions
Laryngeal Diseases
Interventions
Amitriptyline, Placebo
Drug · Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 10, 2026, 2:29 PM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

PhytoSERM to Prevent Menopause Associated Decline in Brain Metabolism and Cognition

NCT05664477
View directory record Official record
Conditions
Menopause, Cognitive Change, Brain Disorder, Metabolic
Interventions
PhytoSERM, Placebo
Dietary Supplement · Drug
Lead sponsor
Roberta Brinton
Other
Eligibility
45 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
Tucson, Arizona • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Early Phase 1 Interventional

Vaginal lIve Biotherapeutic RANdomized Trial

NCT06135974
View directory record Official record
Conditions
Bacterial Vaginosis
Interventions
LC106, LC115, Placebo, Metronidazole Oral
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Oct 10, 2026, 2:29 PM EDT
Not listed Not applicable Interventional

Curcumin in Management of Chronic Obstructive Pulmonary Disease

NCT04687449
View directory record Official record
Conditions
COPD
Interventions
Curcumin therapy, Placebo, Standard care
Dietary Supplement · Other
Lead sponsor
Danbury Hospital
Other
Eligibility
40 Years to 89 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Danbury, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 9, 2021 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cooling Strategies for Older Adults in the Heat

NCT06349616
View directory record Official record
Conditions
Aging
Interventions
Intermittent cold-water hand and forearm immersion, No intermittent cold-water hand and forearm immersion
Other
Lead sponsor
Penn State University
Other
Eligibility
65 Years to 100 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced Oct 10, 2026, 2:29 PM EDT
Recruiting Phase 3 Interventional

The COCOA-PAD II Trial

NCT04794530
View directory record Official record
Conditions
Peripheral Artery Disease
Interventions
cocoa flavanols, placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
55 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
3
States / cities
Chicago, Illinois • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 10, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Probiotics, Immunity, Stress, and QofL

NCT05063305
View directory record Official record
Conditions
Stress, Quality of Life
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2022 · Synced Oct 10, 2026, 2:29 PM EDT