Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 3, 2026, 11:43 AM EDT

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Showing 25–48 of 66 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 and Mental Health

NCT04407195
Conditions
COVID-19, Mental Health Disorder
Interventions
Exposure to the SARS-CoV-2
Other
Lead sponsor
Northeastern University
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Immunodeficiency, Immunosuppression, HIV Infections, Graft Versus Host Disease, Leukemia, Lymphoma, Cancer, Multiple Myeloma, Transplant, Age-Related Immunodeficiency
Interventions
Access to Cue Health COVID-19 Remote testing and treatment for COVID-19
Other
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
2,117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
La Jolla, California
Conditions
SARS-CoV-2, COVID-19
Interventions
Evusheld
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
12 Years and older
Enrollment
5,814 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
SARS-CoV-2, COVID-19
Interventions
EVUSHELD
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
12 Years and older
Enrollment
4,232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers of Trained Immunity Following MMR Vaccination

NCT04646239
Conditions
Covid19
Interventions
Heterologous stimuli, Neutralization assay
Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Withdrawn No phase listed Observational Accepts healthy volunteers

Epidemiologic Assessment of SARS-CoV-2 (COVID-19) Prevalence in Minnesota

NCT04473183
Conditions
Covid19, SARS-CoV Infection, SARS-CoV-2, Corona Virus Infection
Interventions
Specimen Collection, Surveys
Diagnostic Test
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Hypertension, COVID
Interventions
ACEI/ARB, Non-ACEI/ARB, ACEI, ARB
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
22,213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Severe Acute Respiratory Syndrome - CoronaVirus 2 (SARS-CoV-2)
Interventions
Not listed
Lead sponsor
AbbVie
Industry
Eligibility
18 Years and older
Enrollment
1,007 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Covid19
Interventions
Antiviral Agents, Monoclonal antibody
Drug
Lead sponsor
Pregistry
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Covid19
Interventions
Fluticasone, Placebo
Drug · Other
Lead sponsor
Susanna Naggie, MD
Other
Eligibility
30 Years and older
Enrollment
1,407 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
87
States / cities
Gilbert, Arizona • Mesa, Arizona • Peoria, Arizona + 75 more
Conditions
COVID-19
Interventions
PF-07321332, Placebo for PF-07321332, Placebo for Ritonavir, Ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
2,954 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
64
States / cities
Pelham, Alabama • Tucson, Arizona • Fullerton, California + 36 more
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Tulane University
Other
Eligibility
6 Months to 120 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
2
States / cities
New Orleans, Louisiana
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), Multisystem Inflammatory Syndrome in Children (MIS-C), Coronavirus Disease 2019 (COVID-19)
Interventions
SARS-CoV-2 and/or MIS-C Exposure
Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 20 Years
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
20
States / cities
Loma Linda, California • Los Angeles, California • Palo Alto, California + 14 more
Conditions
Healthy Participants
Interventions
REGN10933 + REGN10987, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
1 Day and older
Enrollment
3,303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
132
States / cities
Mesa, Arizona • Tucson, Arizona • La Mesa, California + 94 more
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Hydroxychloroquine Prophylaxis for Health Care Workers at High Risk for COVID-19

NCT04435808
Conditions
COVID-19
Interventions
Hydroxychloroquine
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Albuquerque, New Mexico
Conditions
Coronavirus Infection
Interventions
SARS-CoV-2 Antibody Analysis, Weck-cel Swab Collection, Web Based Questionnaire
Diagnostic Test · Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Conditions
COVID-19
Interventions
Primary Exposure Status of Pfizer-BioNTech COVID-19 Vaccine, BNT162b2 BA.4/5 bivalent, XBB.1.5-adapted vaccinated
Biological
Lead sponsor
Pfizer
Industry
Eligibility
0 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Pasadena, California
Terminated Phase 4 Interventional Results available

Addressing Cognitive Fog in Long-COVID-19 Patients

NCT05597722
Conditions
Cognitive Impairment, Long COVID
Interventions
Digital cognitive behavioral intervention-RxWell, Amphetamine-Dextroamphetamine
Behavioral · Drug
Lead sponsor
Eva Szigethy
Other
Eligibility
21 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Boosting COVID-19 Vaccination Uptake Using Wastewater Surveillance

NCT06698497
Conditions
Vaccine Uptake
Interventions
Communication Campaign
Behavioral
Lead sponsor
Syracuse University
Other
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Syracuse, New York
Completed Not applicable Interventional Accepts healthy volunteers

Communities Fighting COVID-19!

NCT05148936
Conditions
Covid19
Interventions
COVID-19 Testing Home-based (Aim 1), COVID-19 Testing Mobile (Aim 1), COVID-19 Testing Mobile Approach 1 (Aim 2), COVID-19 Testing Mobile Approach 2 (Aim 2)
Other
Lead sponsor
San Diego State University
Other
Eligibility
6 Years to 120 Years
Enrollment
32,750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
San Diego, California
Completed Not applicable Interventional Accepts healthy volunteers

Task Control Circuit Targets for Obsessive Compulsive Behaviors in Children

NCT03584945
Conditions
Obsessive-compulsive Disorders and Symptoms in Children
Interventions
Cognitive Behavioral Therapy, Community Referral as appropriate
Behavioral · Other
Lead sponsor
University of Michigan
Other
Eligibility
6 Years to 14 Years
Enrollment
169 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
2
States / cities
Ann Arbor, Michigan • New York, New York
Conditions
COVID-19
Interventions
Testing Done Simple SARS CoV-2 Antigen Test
Diagnostic Test
Lead sponsor
Testing Done Simple
Industry
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Queens, New York
Conditions
COVID-19
Interventions
Pfizer-BioNTech BNT162b2 COVID-19 Vaccinated, Not vaccinated with 2024-2025 formulated COVID-19 vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
5 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Conditions
Long COVID Fatigue
Interventions
Ketogenic Metabolic Therapy, Lifestyle Intervention
Other · Behavioral
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Portland, Oregon