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ClinicalTrials.gov public records Last synced Oct 29, 2026, 4:53 AM EDT

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Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: inert powder Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Biosignature of Humanized Prebiotics in Healthy Adults

NCT06068894
View directory record Official record
Conditions
Intestinal Health
Interventions
"Humanized" galacto-oligosaccharides (hGOS), Galacto-oligosaccharides (GOS), Matching Placebo
Dietary Supplement · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 29, 2026, 4:53 AM EDT
Not listed Not applicable Interventional

Safety Study of Post Tonsillectomy Ibuprofen Use in Adults

NCT01837810
View directory record Official record
Conditions
Secondary Post Tonsillectomy Hemorrhage, Primary Post Tonsillectomy Hemorrhage
Interventions
Ibuprofen
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
810 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
3
States / cities
Fort Sam Houston, Texas • Lackland Air Force Base, Texas • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Apr 24, 2013 · Synced Oct 29, 2026, 4:53 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

The Effects of Liquid IV's Multi-Ingredient Recovery Supplement on Muscle Recovery Following Exercise

NCT07224867
View directory record Official record
Conditions
Muscle Damage, Strength Recovery, Perceived Recovery, Perceived Muscle Soreness, Physical Performance, Muscle Recovery
Interventions
proprietary post workout recovery supplement, Control placebo
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Phase 3 Interventional Results available

Study of Fluticasone Propionate MDPI Compared With Fluticasone/Salmeterol MDPI in Adolescent and Adult Patients With Persistent Asthma

NCT02139644
View directory record Official record
Conditions
Asthma
Interventions
FS MDPI, Fp MDPI, Placebo MDPI, albuterol/salbutamol, Beclomethasone dipropionate
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
12 Years and older
Enrollment
787 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
76
States / cities
Birmingham, Alabama • Glendale, Arizona • Cypress, California + 64 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2021 · Synced Oct 29, 2026, 4:53 AM EDT
Recruiting Phase 2 Interventional

Synbiotic Compound to Reduce Symptoms of Schizophrenia

NCT04226898
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Synbiotic Supplement, Inert Compound
Biological
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Batlimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 29, 2026, 4:53 AM 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 29, 2026, 4:53 AM EDT
Completed Phase 4 Interventional Results available

Effect of Ketoconazole on Breathlessness

NCT01378520
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
ketoconazole, inert powder
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
50 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jun 1, 2018 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Three Qualia NAD⁺ Formulations on Intracellular NAD⁺ Levels

NCT07132801
View directory record Official record
Conditions
NAD, NAD+ Levels in the Blood
Interventions
Qualia NAD⁺ version 1, Qualia NAD⁺ version 2, Qualia NAD⁺ version 3, Placebo
Dietary Supplement
Lead sponsor
Qualia Life Sciences
Industry
Eligibility
35 Years to 75 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Spirulina Oral Supplement for Enhancing Host Resilience to Virus Infection

NCT05447078
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Immulina TM, Placebo
Drug · Dietary Supplement
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Enrollment
492 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 29, 2026, 4:53 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Trial of the Combination of Alpha-Lipoic Acid and Mirabegron in Women and in Men With Obesity

NCT05713799
View directory record Official record
Conditions
Insulin Resistance, Obesity
Interventions
Alpha-lipoic acid, Mirabegron, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 28, 2026 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Phase 2Phase 3 Interventional

A Novel Nutraceutical to Combat Post-Lyme Disease Syndrome

NCT04141969
View directory record Official record
Conditions
Post-Lyme Disease Syndrome (PLDS)
Interventions
RLP, Placebo
Dietary Supplement · Other
Lead sponsor
Optimal Health Research
Other
Eligibility
12 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 12, 2021 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Not applicable Interventional

Effect of Supplement on Appetite and GLP-1

NCT06790771
View directory record Official record
Conditions
Hunger
Interventions
High Dose Supplement, Low Dose Supplement, Placebo
Dietary Supplement
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Not applicable Interventional Results available

The Role of Substance P on Perception of Breathlessness During Resistive Load Breathing

NCT01580423
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
aprepitant, placebo
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
50 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 19, 2013 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Phase 2 Interventional

Immune Mechanisms of Vitamin D to Reduce Chronic Pain After Burn

NCT05619289
View directory record Official record
Conditions
Burn Injury, Chronic Pain
Interventions
Ergocalciferol, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Not applicable Interventional

Effect of Curcumin on Gut Microbiota in IBS

NCT03568513
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Curcumin, Placebo
Dietary Supplement
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
10 Years to 18 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 21, 2021 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of FP MDPI Compared With FS MDPI in Adolescent and Adult Patients With Persistent Asthma

NCT02141854
View directory record Official record
Conditions
Asthma
Interventions
FS MDPI, Fp MDPI, Placebo MDPI, Albuterol/salmeterol HFA MDI
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
12 Years and older
Enrollment
882 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
85
States / cities
Birmingham, Alabama • Little Rock, Alaska • Phoenix, Arizona + 74 more
Source: ClinicalTrials.gov public record
Updated Nov 9, 2021 · Synced Oct 29, 2026, 4:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Impact of Qualia Vitamin C+ on Individuals With Suboptimal and Adequate Vitamin C Levels

NCT07652346
View directory record Official record
Conditions
Healthy, Suboptimal Vitamin C Levels, Adequate Vitamin C Levels
Interventions
Qualia Vitamin C+, Placebo
Dietary Supplement · Other
Lead sponsor
Qualia Life Sciences
Industry
Eligibility
25 Years to 75 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effectiveness of Mometasone Nasal Irrigation for Chronic Rhinosinusitis

NCT03705793
View directory record Official record
Conditions
Chronic Rhinosinusitis (Diagnosis), Allergic Rhinosinusitis, Chronic Eosinophilic Rhinosinusitis
Interventions
Mometasone Furoate Nasal Irrigation, Mometasone Nasal Spray
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Phase 1Phase 2 Interventional

Treating Post-Lyme Disease Syndrome With Acetogenins

NCT04078841
View directory record Official record
Conditions
Post-Lyme Disease Syndrome (PLDS)
Interventions
ReaLife+ (RLP), Inert Brown powder
Dietary Supplement · Other
Lead sponsor
Optimal Health Research
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 11, 2020 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Phase 4 Interventional Results available

Efficacy of IV Acetaminophen Versus Oral Acetaminophen

NCT03365622
View directory record Official record
Conditions
Nephrectomy
Interventions
Acetaminophen, Placebos, Placebo Oral Tablet
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 89 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2025 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Acute Effects of Liquid IV's Pre-Workout Supplement on Muscle Endurance & Strength, Energy, and Cognition

NCT07225608
View directory record Official record
Conditions
Physical Performance, Exercise Performance, Endurance Exercise, Perceived Exertion, Mood, Energy
Interventions
proprietary pre-workout supplement, Control placebo
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years to 55 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 6, 2026 · Synced Oct 29, 2026, 4:53 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effects of Triphala and VSL#3 Probiotic Supplementation on Stool Microbiome Profiles and Inflammation

NCT03907501
View directory record Official record
Conditions
Human Microbiome
Interventions
Synbiotic, Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
65 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jul 6, 2023 · Synced Oct 29, 2026, 4:53 AM EDT
Completed Phase 2 Interventional Results available

Sulforaphane for the Treatment of Young Men With Autism Spectrum Disorder

NCT02909959
View directory record Official record
Conditions
Autism Spectrum Disorder, Autistic Disorder, Neurodevelopmental Disorder, Childhood Developmental Disorders, Pervasive
Interventions
Sulforaphane, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
13 Years to 30 Years · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Carrboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 4, 2020 · Synced Oct 29, 2026, 4:53 AM EDT