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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo (Water) Clear all
Completed Not applicable Interventional Accepts healthy volunteers

A Third Proof-of-Concept Study to Evaluate the Efficacy of NOBO, a Novel Postbiotic, in Controlling Axillary Odor in Healthy Adults

NCT07726238
View directory record Official record
Conditions
Body Odor
Interventions
NOBO postbiotic, Placebo
Other
Lead sponsor
Kingdom
Industry
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gut-microbiota Targeted Nutritional Intervention for Gut Barrier Integrity at High Altitude

NCT04111263
View directory record Official record
Conditions
Gastrointestinal Injury, Acute Mountain Sickness
Interventions
FP, Placebo, High altitude, Sea level
Dietary Supplement · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 39 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 22, 2022 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 2 Interventional Results available

Cannabidiol Effects on Craving and Relapse Prevention in Opioid Use Disorder

NCT03787628
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Cannabidiol (CBD) 600 mg, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Tarzana, California
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 28, 2026, 3:16 PM EDT
Withdrawn Not applicable Interventional

Use of Prokinetics in Early Enteral Feeding in Preterm Infants

NCT01569633
View directory record Official record
Conditions
Feeding Disorder, Nutrition Disorder, Infant,Premature
Interventions
Metclopramide, Erythromycin, placebo
Drug
Lead sponsor
East Tennessee State University
Other
Eligibility
Up to 14 Days
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Johnson City, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 20, 2022 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Water Oxygenation and Brain Activity

NCT02688452
View directory record Official record
Conditions
Muscle Damage
Interventions
Control Unmodified Placebo Water, Electrokinetically modified water (EMW)
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 30 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 12, 2017 · Synced Sep 28, 2026, 3:16 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Effect of a Multi-strain Probiotic on Acclimatization to High Altitude

NCT06552806
View directory record Official record
Conditions
Probiotics
Interventions
SLAB51
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Bishop, California • La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2024 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of PanBlok Influenza Vaccine in Healthy Adults

NCT01147068
View directory record Official record
Conditions
Influenza
Interventions
0.5mL Intramuscular Injection
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
392 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
4
States / cities
Overland Park, Kansas • Omaha, Nebraska • Rochester, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2012 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability and Pharmacokinetics of CDD-2101 in Health Volunteers

NCT06570668
View directory record Official record
Conditions
Constipation - Functional
Interventions
CDD-2101
Drug
Lead sponsor
Centre for Chinese Herbal Medicine Drug Development Limited
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 25, 2024 · Synced Sep 28, 2026, 3:16 PM EDT
Active, not recruiting Phase 4 Interventional

L-arginine to Reduce Sympathetic Nerve Activity in CKD Patients

NCT03982160
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
L-Arginine, Placebo
Drug · Other
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
35 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
2
States / cities
Newark, Delaware • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 28, 2026, 3:16 PM EDT
Recruiting Phase 4 Interventional

Preoperative BOTOX® Injection for Large Ventral Hernia Repair

NCT07220382
View directory record Official record
Conditions
Hernia Abdominal Wall, Botox Injection, Hernia Incisional Ventral, Hernia Repair With Compartment Syndrome, Hernia Surgery, Hernia, Hernia Incisional
Interventions
OnabotulinumtoxinA Injection, Saline (placebo) Injection, OnabotulinumtoxinA, 0.9 % Normal Saline, Open Ventral Hernia Repair
Procedure · Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Sep 28, 2026, 3:16 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Averting Complications of Proton Pump Inhibitor Therapy by Effervescent Calcium Magnesium Citrate

NCT03812380
View directory record Official record
Conditions
Osteoporosis, Hypomagnesemia
Interventions
EffCaMgCit, Placebo
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 99 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2022 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 2 Interventional Results available

Herbal Mouthrinse for Oral Mucositis Study

NCT01898091
View directory record Official record
Conditions
Oral Mucositis
Interventions
Neem Mouthrinse, Placebo Mouthrinse
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 89 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 5, 2017 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 4 Interventional

Treatment of Chronic Urticarial Unresponsive to H1-antihistamines With an Anti-IL5Ralpha Monoclonal Antibody

NCT03183024
View directory record Official record
Conditions
Chronic Idiopathic Urticaria
Interventions
benralizumab, placebo
Biological
Lead sponsor
Jonathan A. Bernstein, MD
Other
Eligibility
19 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 3 Interventional

Evaluation of Oral Simethicone With Low Volume Polyethylene Glycol Bowel Preparation During Colonoscopy

NCT03410524
View directory record Official record
Conditions
Colonoscopy
Interventions
Simethicone Solution, Water
Drug
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
2
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 2 Interventional

A Safety Study of NNZ-2566 in Patients With Fragile X Syndrome

NCT01894958
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
NNZ-2566, Placebo
Drug
Lead sponsor
Neuren Pharmaceuticals Limited
Industry
Eligibility
12 Years to 45 Years · Male only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
17
States / cities
Sacramento, California • Denver, Colorado • Washington D.C., District of Columbia + 14 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2018 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Not applicable Interventional Results available

Duration of Effect of Biotene Spray in Patients With Dry Mouth

NCT03663231
View directory record Official record
Conditions
Dry Mouth
Interventions
Biotene, Placebo
Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 2 Interventional Results available

Resuscitative Endocrinology: Single-dose Clinical Uses for Estrogen-Traumatic Hemorrhagic Shock (RESCUE - Shock)

NCT00973102
View directory record Official record
Conditions
Hemorrhagic Shock
Interventions
Premarin IV, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 3 Interventional Results available

Role of Soy Supplementation in Prostate Cancer Development

NCT00255125
View directory record Official record
Conditions
Prostate Neoplasm
Interventions
Soy Supplement, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 17, 2019 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Safety of USB005 in Healthy Volunteers

NCT03615196
View directory record Official record
Conditions
Healthy Volunteers
Interventions
USB005 (aclerastide) Ophthalmic Solution, USB005 Ophthalmic Solution Placebo
Drug
Lead sponsor
US Biotest, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Apr 3, 2019 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Evaluation of Safety and Tolerability of ENT-01 for the Treatment of Parkinson's Disease Related Constipation

NCT03047629
View directory record Official record
Conditions
Parkinson's Disease, Constipation
Interventions
ENT-01, Placebo
Drug · Other
Lead sponsor
Enterin Inc.
Industry
Eligibility
30 Years to 86 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
15
States / cities
Los Angeles, California • Englewood, Colorado • Washington D.C., District of Columbia + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 4 Interventional Results available

Pragmatic Research on Diuretic Management in Early BPD Pilot

NCT05898022
View directory record Official record
Conditions
Bronchopulmonary Dysplasia
Interventions
Furosemide (plus potassium chloride), Placebo (plus placebo electrolyte solution)
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
2 Weeks to 10 Weeks
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
4
States / cities
Atlanta, Georgia • Durham, North Carolina • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 4 Interventional

TEPEZZA® (Teprotumumab-trbw) Post-Marketing Requirement Study

NCT05002998
View directory record Official record
Conditions
Thyroid Eye Disease
Interventions
Teprotumumab, Placebo
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 80 Years
Enrollment
313 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
7
States / cities
Beverly Hills, California • Los Angeles, California • Palo Alto, California + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Clinical Trial of Intravenous Lidocaine After Spinal Surgery to Prevent Delirium and Reduce Pain

NCT05010148
View directory record Official record
Conditions
Postoperative Delirium, Postoperative Pain, Spinal Fusion
Interventions
Lidocaine IV, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
60 Years and older
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Sep 28, 2026, 3:16 PM EDT
Completed Phase 2 Interventional Results available

Rucaparib vs Placebo Maintenance Therapy in Metastatic and Recurrent Endometrial Cancer

NCT03617679
View directory record Official record
Conditions
Metastatic Endometrial Cancer
Interventions
Rucaparib, Placebo Oral Tablet
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years · Female only
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Sep 28, 2026, 3:16 PM EDT