Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 11:27 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 2,349 matching trials from the live ClinicalTrials.gov search.
Not listed No phase listed Observational Accepts healthy volunteers

Parkinson's Disease and Experiences Throughout the COVID-19 Pandemic

NCT04720118
Conditions
Parkinson Disease, Covid19, Satisfaction, Patient, Quality of Life
Interventions
No Intervention
Other
Lead sponsor
Towson University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Towson, Maryland
Completed No phase listed Observational Accepts healthy volunteers

Pandemic-adapted Caries Care Multicentre Single-group Interventional Study

NCT04666597
Conditions
Dental Caries in Children
Interventions
Modified CariesCare International management
Procedure
Lead sponsor
Universidad El Bosque, Bogotá
Other
Eligibility
3 Years to 8 Years
Enrollment
409 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Indianapolis, Indiana • Boston, Massachusetts
Withdrawn Not applicable Interventional

Mild Hypothermia for COVID-19 ARDS

NCT04570462
Conditions
COVID19 ARDS
Interventions
Hypothermia Via Cooling Machine- Arctic Sun 5000
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Manhasset, New York
Completed No phase listed Observational Accepts healthy volunteers Results available

Characterizing SARS-CoV-2-specific Immunity in Individuals Who Have Recovered From COVID-19

NCT04403880
Conditions
SARS-CoV-2, COVID-19
Interventions
Sample collection
Other
Lead sponsor
HIV Vaccine Trials Network
Network
Eligibility
18 Years and older
Enrollment
760 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
21
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 15 more
Conditions
Covid19, Multisystem Inflammatory Syndrome in Children
Interventions
Larazotide Acetate, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
1 Month to 21 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Covid19
Interventions
Niclosamide, Placebo
Drug
Lead sponsor
Entero Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
13
States / cities
Birmingham, Alabama • DeLand, Florida • Hialeah, Florida + 7 more
Completed Not applicable Interventional Accepts healthy volunteers

Incidence of COVID-19 Test Conversion in Post-surgical Patients

NCT04392323
Conditions
Sars-CoV2
Interventions
COVID-19 PCR and Serology
Diagnostic Test
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
2
States / cities
Manhasset, New York • New Hyde Park, New York
Conditions
COVID-19
Interventions
PF-06650833, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Beliefs
Interventions
Corrective message framing and humor
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
21 Years to 99 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Terminated No phase listed Observational Accepts healthy volunteers

Conversations You Want About Corona Virus Disease (COVID-19)

NCT05191420
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
COVID, Sars-CoV2, SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere, Oxidative Stress
Interventions
N-acetylcysteine
Drug
Lead sponsor
Cambridge Health Alliance
Other
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
4
States / cities
Cambridge, Massachusetts • Everett, Massachusetts • Somerville, Massachusetts
Conditions
COVID-19; Immunity
Interventions
No intervention
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 100 Years
Enrollment
38 participants
Timeline
2021 – 2023
U.S. locations
1
States / cities
San Dimas, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Protecting Our Community: COVID-19 Testing

NCT04866303
Conditions
SARS-CoV-2, Covid19
Interventions
Home-based SARS-CoV-2 test kit
Diagnostic Test
Lead sponsor
Montana State University
Other
Eligibility
18 Years and older
Enrollment
273 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Pablo, Montana • Seattle, Washington
Conditions
COVID-19, Vaccine Refusal
Interventions
Text Message, Motivational Interviewing, Electronic Educational Message with Tailored Questions/Prompts
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 100 Years
Enrollment
312 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Completed Phase 2Phase 3 Interventional Results available

Effects of Sodium Pyruvate Nasal Spray in COVID-19 Long Haulers.

NCT04871815
Conditions
Long COVID
Interventions
sodium pyruvate nasal spray
Drug
Lead sponsor
Cellular Sciences, inc.
Industry
Eligibility
18 Years to 40 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Springfield, Missouri
Completed No phase listed Observational Accepts healthy volunteers Results available

Home Usability Study of the SARS-CoV-2 (COVID-19) Test

NCT04395391
Conditions
COVID-19
Interventions
SARS-CoV-2
Diagnostic Test
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Covid-19, ARDS, Human, Acute Lung Injury
Interventions
Heparin, 0.9% Sodium-chloride
Drug
Lead sponsor
Frederick Health
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Frederick, Maryland
Conditions
Efficacy and Safety
Interventions
Proxalutamide (GT0918), Placebo
Drug
Lead sponsor
Suzhou Kintor Pharmaceutical Inc,
Industry
Eligibility
18 Years and older
Enrollment
733 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
8
States / cities
Phoenix, Arizona • Long Beach, California • Sandy Springs, Georgia + 5 more
Conditions
COVID-19
Interventions
RDV, Placebo to Match RDV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
12 Years and older
Enrollment
584 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
92
States / cities
Chandler, Arizona • Tucson, Arizona • Eureka, California + 78 more
Conditions
SARS CoV-2
Interventions
Human Amniotic Fluid
Biological
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Critical COVID-19 With Respiratory Failure, Acute Respiratory Distress Syndrome (ARDS), Corona Virus Infection, Acute Lung Injury
Interventions
Aviptadil by intravenous infusion + standard of care, Normal Saline Infusion + standard of care
Drug
Lead sponsor
APR Applied Pharma Research s.a.
Other
Eligibility
18 Years to 100 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
10
States / cities
Fullerton, California • Irvine, California • Miami, Florida + 6 more
Completed Phase 2 Interventional Results available

Stellate Ganglion Block for COVID-induced Parosmia

NCT06253806
Conditions
COVID-19-Induced Parosmia
Interventions
Stellate Ganglion Block, Placebo Sham Injection
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Covid19, Corona Virus Infection, Severe Acute Respiratory Syndrome, Severe Acute Respiratory Infection, Severe Acute Respiratory Syndrome (SARS) Pneumonia, Severe Acute Respiratory Syndrome of Upper Respiratory Tract, Neurodegeneration, Neuroinflammatory Response
Interventions
Drug: NA-831 - 0.10 mg/kg, Placebo- 0.10 mg/kg, Drug: NA-831 - 0.20 mg/kg, Placebo- 0.20 mg/kg, Drug: GS-5734 - 1.00 mg/kg, Placebo- 1.00 mg/kg, Drug: GS-5734 - 2.00 mg/kg, Placebo- 2.00 mg/kg, Drugs: NA-831 (0.10 mg/kg) plus GS-5734 (1.00 mg/kg), Placebo 0.10 mg + 1.00 mg/kg, Drugs: NA-831 (0.20 mg/kg) plus GS-5734 (2.00 mg/kg), Placebo 0.20 mg + 2.00 mg/kg
Drug · Combination Product
Lead sponsor
Biomed Industries, Inc.
Industry
Eligibility
21 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Sunnyvale, California
Conditions
Covid19, SARS-CoV Infection
Interventions
Shampoo and saline, Saline and Listerine, Shampoo and Listerine, Saline and Saline
Combination Product
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Hershey, Pennsylvania • State College, Pennsylvania