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 15, 2026, 10:51 PM EDT

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

Showing 817–840 of 1,235 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Testing Sample Acquisition Throughput and Efficiency

NCT04532411
Conditions
SARS-CoV Infection, Respiratory Viral Infection, Personal Protective Equipment, Covid19
Interventions
Personal Protective Testing Booth
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
28,948 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Acute Hypoxemic Respiratory Failure
Interventions
L-Citrulline, Placebo
Drug
Lead sponsor
Asklepion Pharmaceuticals, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Recruiting No phase listed Observational Accepts healthy volunteers

Preparedness Through Respiratory Virus Epidemiology and Community Engagement

NCT07147517
Conditions
Respiratory Infection Virus, COVID -19, RSV, FLU
Interventions
Component A0, Component A1, Component A2, Component B
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
Not listed
Enrollment
25,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
2
States / cities
La Jolla, California • San Ysidro, California
Recruiting Phase 3 Interventional Accepts healthy volunteers

A Study of COVID-19 Vaccine(s) in Children and Adults

NCT07798648
Conditions
COVID-19 Vaccines
Interventions
BNT162b2
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
5 Years and older
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
14
States / cities
Homestead, Florida • Miami Lakes, Florida • Atlanta, Georgia + 10 more
Conditions
SARS-CoV Infection, Covid19
Interventions
Not listed
Lead sponsor
University of Miami
Other
Eligibility
3 Years to 25 Years
Enrollment
64 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Miami, Florida
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2, Hypoxemic Respiratory Failure, Pneumonia, Viral, COVID
Interventions
Helmet Continuous Positive Airway Pressure (CPAP), High Flow Nasal Oxygen (HFNO)
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
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
Completed No phase listed Observational Accepts healthy volunteers

Performance Evaluation of LumiraDx COVID-19 (SARS-CoV-2) Ag ULTRA Test

NCT05506618
Conditions
COVID-19
Interventions
Nasal Swab, Nasopharyngeal swab
Diagnostic Test
Lead sponsor
LumiraDx UK Limited
Industry
Eligibility
Not listed
Enrollment
758 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
6
States / cities
Birmingham, Alabama • Hawthorne, California • Miami, Florida + 3 more
Conditions
Depression, Anxiety, Satisfaction, Well-being
Interventions
Comprehensive Well-Being Intervention
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
293 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Antithrombin III Deficiency, Covid19
Interventions
Antithrombin III
Drug
Lead sponsor
Enrique Ginzburg
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Miami, Florida
Completed Phase 2 Interventional Results available

Tafenoquine in Patients With Mild to Moderate COVID-19

NCT04533347
Conditions
COVID 19 Disease
Interventions
Tafenoquine Oral Tablet, Placebo
Drug
Lead sponsor
60 Degrees Pharmaceuticals LLC
Industry
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
10
States / cities
Miami, Florida • Elkhorn, Nebraska • Morgantown, North Carolina + 4 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

HSS Covid-19 Antibody Serology Among Surgeons & Anesthesiologists

NCT04389294
Conditions
COVID
Interventions
SARS-CoV2 serum antibody testing
Diagnostic Test
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
21 Years and older
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Conditions
COVID-19 Pneumonia, Impaired Respiratory Function
Interventions
MAS825, Placebo, Standard of Care (SoC)
Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
21
States / cities
Chula Vista, California • Glendale, California • Irvine, California + 17 more
Active, not recruiting No phase listed Observational

COVID-19 Outcome Prediction Algorithm

NCT05471011
Conditions
COVID-19, Post Acute Sequelae of COVID-19, Long COVID, Organ Dysfunction Syndrome, Multiple, Frailty Syndrome
Interventions
Blood and nasal swab sampling
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
7
States / cities
Los Angeles, California • Sylmar, California • Torrance, California + 3 more
Conditions
SARS-CoV-2, Hypoxia, ARDS
Interventions
Dapsone 100 MG
Drug
Lead sponsor
Hunt Regional Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Greenville, Texas
Conditions
Influenza A, Influenza Type B, SARS CoV 2 Infection, RSV Infection
Interventions
Diagnostic Test for identification of influenzas A, influenzas B, RSV and SARS-CoV-2 infections
Diagnostic Test
Lead sponsor
Baebies, Inc.
Industry
Eligibility
Not listed
Enrollment
2,500 participants
Timeline
2023 – 2024
U.S. locations
1
States / cities
Raleigh, North Carolina
Completed No phase listed Observational Results available

The Impact of Vaccination on Severity of Illness in COVID-19

NCT04912700
Conditions
Covid19
Interventions
COVID-19 vaccine
Biological
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
11,834 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Royal Oak, Michigan
Conditions
SARS Coronavirus 2 RT-PCR Testing
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
1,179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Completed No phase listed Observational

COVID-19 in Patients With HIV

NCT04333953
Conditions
HIV/AIDS, COVID-19, SARS-CoV-2
Interventions
No intervention
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
Not listed
Enrollment
412 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Columbia, Missouri
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Will Hydroxychloroquine Impede or Prevent COVID-19

NCT04341441
Conditions
COVID-19, Coronavirus, Coronavirus Infections, SARS-CoV 2
Interventions
Hydroxychloroquine - Daily Dosing, Hydroxychloroquine - Weekly Dosing, Placebo oral tablet, Monitoring Visit - Baseline, Monitoring Visit - Week 4, Monitoring Visit - Week 8, Weekly Assessment
Drug · Other · Diagnostic Test
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 75 Years
Enrollment
624 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Long COVID-19, Long COVID
Interventions
Paxlovid, Ritonavir, Nirmatrelvir-matching placebo
Drug
Lead sponsor
Kanecia Obie Zimmerman
Other
Eligibility
18 Years and older
Enrollment
964 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Healthcare Worker Exposure Response and Outcomes of Hydroxychloroquine

NCT04334148
Conditions
COVID-19
Interventions
Hydroxychloroquine, Placebo oral tablet
Drug
Lead sponsor
Adrian Hernandez
Other
Eligibility
18 Years and older
Enrollment
1,360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
34
States / cities
Aurora, Colorado • Gainesville, Florida • Jacksonville, Florida + 27 more
Conditions
Acute Kidney Failure, Acute Kidney Insufficiency, Acute Renal Failure, Acute Renal Injury, Acute Renal Insufficiency, Kidney Failure, Acute, Kidney Insufficiency, Acute, Renal Failure, Acute, Renal Insufficiency, Acute, Covid19, Sars-CoV-2 Infection
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
New Haven, Connecticut • Baltimore, Maryland • Boston, Massachusetts + 1 more
Conditions
Covid19
Interventions
Convalescent Plasma
Biological
Lead sponsor
Joseph M. Flynn, D.O., MPH
Other
Eligibility
18 Years to 99 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Louisville, Kentucky