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ClinicalTrials.gov public records Last synced Oct 9, 2026, 4:01 AM EDT

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Showing 25–48 of 2,346 matching trials from the live ClinicalTrials.gov search.
Recruiting No phase listed Observational Accepts healthy volunteers

Dissecting Human Immune Responses to Infection With Influenza or SARS-CoV-2

NCT06848309
Conditions
Influenza, SARS-CoV-2 (COVID-19) Infection, Immune Response of Host
Interventions
Bronchoscopy
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Completed Phase 2 Interventional Results available

Cardiovascular Effects of COVID-19

NCT04365699
Conditions
COVID-19
Interventions
AT-001
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Completed No phase listed Observational

COVID-19 Endoscopy Survey

NCT04342637
Conditions
COVID-19
Interventions
Practice details
Other
Lead sponsor
Al-Azhar University
Other
Eligibility
30 Years to 70 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Albertson, New York
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Health-based Motivational Interviewing to Promote COVID-19 Vaccination

NCT05977192
Conditions
Vaccination Hesitancy
Interventions
Standard MI, Intensive MI, MOTIVACC, Ecological momentary assessment (EMA) messages
Behavioral
Lead sponsor
Oklahoma State University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Oklahoma City, Oklahoma • Stillwater, Oklahoma
Conditions
COVID19, ARDS
Interventions
CK0802, Placebo
Biological · Drug
Lead sponsor
Cellenkos, Inc.
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
5
States / cities
Baltimore, Maryland • New York, New York • Chapel Hill, North Carolina + 2 more
Conditions
SARS-CoV-2
Interventions
mRNA-1273, Placebo, mRNA-1273.214
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
6 Months to 11 Years
Enrollment
11,942 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
83
States / cities
Birmingham, Alabama • Phoenix, Arizona • Anaheim, California + 68 more
Conditions
COVID-19, Pregnancy Complications
Interventions
Not listed
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
25,604 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
12
States / cities
Birmingham, Alabama • Chicago, Illinois • New York, New York + 9 more
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Modified mRNA Vaccines in Healthy Adults

NCT05397223
Conditions
SARS-CoV-2, Seasonal Influenza, Respiratory Syncytial Virus, Cytomegalovirus
Interventions
mRNA-1273, mRNA-1010, mRNA-1345, FLUAD®, mRNA-1647
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
8
States / cities
Hollywood, Florida • Savannah, Georgia • Sioux City, Iowa + 4 more
Conditions
Covid19 Immunology
Interventions
SARS-CoV-2 antibody testing
Diagnostic Test
Lead sponsor
Bassett Healthcare
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Cooperstown, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pain Relief With Integrative Medicine (PRIMe)?: Feasibility of Acupuncture for Long COVID

NCT06476496
Conditions
Long COVID, Pain
Interventions
Acupuncture
Procedure
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Conditions
COVID-19
Interventions
GO2 PEEP MOUTHPIECE
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
2
States / cities
Atlanta, Georgia
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Conditions
COVID-19
Interventions
Acalabrutinib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
31
States / cities
Anniston, Alabama • Mobile, Alabama • Escondido, California + 25 more
Conditions
COVID-19, Venous Thromboses, Arterial Thrombosis
Interventions
Enoxaparin Prophylactic Dose, Heparin Infusion, Heparin SC, Enoxaparin/Lovenox Intermediate Dose
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 80 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Recruiting No phase listed Observational Accepts healthy volunteers

COVID-19 Health Adjustments in Nutrition, General Wellness, and Exercise

NCT07128095
Conditions
COVID-19, Sleep, Immunization; Infection, Physical Inactivity, Blood Pressure, Diet Habit, Mental Health Wellness 1
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Bloomington, Indiana
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Intranasal Heparin Tolerability Study

NCT04490239
Conditions
Covid19
Interventions
Intranasal heparin sodium (porcine)
Drug
Lead sponsor
Joshua Sharp
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
University, Mississippi
Conditions
Long COVID, Long COVID-19, Hypersomnia, Sleep Disturbance
Interventions
Modafinil, Modafinil Placebo, Solriamfetol, Solriamfetol Placebo, Melatonin, Melantonin Placebo, Tailored lighting (TL) Active, Tailored lighting (TL) Placebo
Drug · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
47
States / cities
Phoenix, Arizona • Tucson, Arizona • Palo Alto, California + 31 more
Completed Not applicable Interventional

Vagal Approaches on Long COVID-19

NCT07190105
Conditions
Long COVID Symptoms
Interventions
Sonocea Sonic Augmentation Technology (SAT), Truvaga Electrical Vagus Nerve Stimulator
Other
Lead sponsor
Leidos Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Frederick, Maryland
Conditions
COVID, Infectious Disease
Interventions
High-Titer COVID-19 Convalescent Plasma (HT-CCP), Standard Plasma (FFP)
Biological
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
12 Months and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Long COVID
Interventions
WATER+CT, Usual Care
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 89 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Coronavirus, Corona Virus Infection
Interventions
Group 1 HCQ, Group 2 Placebo
Drug
Lead sponsor
UnitedHealth Group
Industry
Eligibility
18 Years to 75 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Antiviral Efficacy and Acceptability of Mouth Rinses for Inactivation of COVID-19

NCT04748783
Conditions
COVID19, Coronavirus Infection, SARS CoV-2 Infection
Interventions
Water, Peroxyl, Periogard, Colgate Total Zero
Other · Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
COVID-19, Coronavirus Disease 2019, Influenza
Interventions
COVID-19 Vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
999 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
New York, New York