Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 21, 2026, 3:44 PM EDT

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Showing 1–24 of 4,735 matching trials from the live ClinicalTrials.gov search.
Conditions
Healthy Participants, Upper Gastrointestinal Discomfort
Interventions
Limosilactobacillus reuteri DSM 17648, Placebo
Dietary Supplement
Lead sponsor
Novozymes A/S
Industry
Eligibility
30 Years to 70 Years
Enrollment
324 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Conditions
Clostridium Difficile Infection Recurrence
Interventions
FMT oral capsule, Oral Vancomycin, FMT oral placebo, Oral Vancomycin placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
5
States / cities
Chicago, Illinois • Indianapolis, Indiana • Rochester, Minnesota + 2 more
Conditions
Wellness, Health
Interventions
Ubiquinol + geranylgeraniol, Geranylgeraniol, Ubiquinol, Ubiquinone, Placebo
Dietary Supplement · Other
Lead sponsor
OvationLab
Network
Eligibility
40 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
6
States / cities
El Dorado Hills, California • Centennial, Colorado • Palm Springs, Florida + 3 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

RCT of Mushroom Based Natural Product to Enhance Immune Response to COVID-19 Vaccination

NCT04951336
Conditions
COVID-19 Vaccination
Interventions
FoTv
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Diego, California
Conditions
Diabetes Mellitus
Interventions
BGP-15 100 mg QD, BGP-15 100 mg BID, Placebo BID, BGP-15 200 mg QD, BGP-15 200 mg BID, BGP-15 400 mg QD
Drug
Lead sponsor
N-Gene Research Laboratories, Inc.
Industry
Eligibility
30 Years to 70 Years
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
20
States / cities
Los Angeles, California • Paramount, California • Tustin, California + 17 more
Conditions
Parkinson Disease
Interventions
Mesdopetam, Placebo
Drug
Lead sponsor
Integrative Research Laboratories AB
Industry
Eligibility
30 Years to 79 Years
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
14
States / cities
Scottsdale, Arizona • Long Beach, California • Palo Alto, California + 9 more
Completed Phase 1 Interventional Accepts healthy volunteers

Resveratrol for Improved Performance in the Elderly

NCT01126229
Conditions
Memory
Interventions
Placebo, Low dose Resveratrol, High dose Resveratrol
Dietary Supplement · Drug
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Post-operative Urinary Retention
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
Anand Rughani, MD
Other
Eligibility
50 Years to 85 Years · Male only
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Portland, Maine
Conditions
Cognitive Enhancement During Exercise
Interventions
Huperzine A, Placebo
Other
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 60 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Noise Induced Hearing Loss
Interventions
SPI-1005 200mg, SPI-1005 400mg, Placebo
Drug
Lead sponsor
Sound Pharmaceuticals, Incorporated
Industry
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
5
States / cities
Miami, Florida • Kansas City, Kansas • Charleston, South Carolina + 2 more
Conditions
COVID-19, Coronavirus, SARS-CoV2 Infection
Interventions
Rayaldee, Placebo
Drug
Lead sponsor
OPKO Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
10
States / cities
San Francisco, California • Miami, Florida • Evanston, Illinois + 6 more
Conditions
Urinary Incontinence
Interventions
Litoxetine, placebo
Drug
Lead sponsor
Ixaltis SA
Industry
Eligibility
18 Years to 70 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Williamsville, New York
Conditions
Healthy
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 80 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Erosive Esophagitis
Interventions
X842, X842 Dummy, Lansoprazole, Lansoprazole Dummy
Drug
Lead sponsor
Cinclus Pharma Holding AB
Industry
Eligibility
18 Years to 75 Years
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tampa, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Health Benefits of a 21-day Daniel Fast

NCT01378767
Conditions
Effects of Krill Oil on Human Health
Interventions
Krill oil supplementation
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Pill Capsule Endoscopy Completion Rates
Interventions
Metoclopramide, Placebo
Drug
Lead sponsor
Ascension Health
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Grand Blanc, Michigan
Conditions
Fragile X Syndrome
Interventions
Gaboxadol, Placebo
Drug
Lead sponsor
Craig Erickson
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Platelet Aggregation
Interventions
aspirin, placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older · Male only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Obesity
Interventions
GLY-200, Placebo
Drug
Lead sponsor
Glyscend, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
5
States / cities
Clearwater, Florida • Ocoee, Florida • Marrero, Louisiana + 2 more
Conditions
Mild Cognitive Impairment, Mild Dementia, Alzheimer's Disease
Interventions
SAGE-718, SAGE-718-matching Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
50 Years to 80 Years
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
37
States / cities
Gilbert, Arizona • Phoenix, Arizona • Lafayette, California + 34 more
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Of PF-05175157 In Healthy Volunteers

NCT01274663
Conditions
Diabetes Mellitus, Type 2
Interventions
PF-05175157 or Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 45 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
South Miami, Florida
Conditions
Pain Management
Interventions
Dexamethasone 8mg, Placebo
Drug · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 99 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Newark, New Jersey
Conditions
Arthritis, Rheumatoid
Interventions
GSK3196165 (Otilimab), Tofacitinib, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
1,764 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
64
States / cities
Flagstaff, Arizona • Glendale, Arizona • Mesa, Arizona + 58 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Human Lung Responses to Respiratory Pathogens

NCT01967628
Conditions
Respiratory Infection
Interventions
Vitamin D3 (cholecalciferol), Placebo Sugar Pill
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 60 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Iowa City, Iowa