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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Severe Acute Respiratory Syndrome Coronavirus 2 Clear all
Completed Phase 1 Interventional

Dual Sympathetic Blocks for Patients Experiencing Sympathetically-Mediated Symptoms From Long COVID

NCT05638620
View directory record Official record
Conditions
Post Acute COVID-19 Syndrome, Long COVID, Long Covid19, COVID-19 Recurrent, Post-Acute COVID-19, Post-Acute COVID-19 Infection, SARS-CoV2 Infection, Post Acute Sequelae of COVID-19, Dysautonomia, Dysautonomia Like Disorder, Dysautonomia Orthostatic Hypotension Syndrome, Post COVID-19 Condition, Post-COVID Syndrome, Post COVID-19 Condition, Unspecified, Post-COVID-19 Syndrome
Interventions
stellate ganglion block with 0.5% bupivacaine
Drug
Lead sponsor
Jonathann Kuo, MD
Other
Eligibility
18 Years to 100 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Jul 23, 2026, 3:37 PM EDT
Recruiting No phase listed Observational

Prospective Clinical Evaluation of the BioFire Emerging Coronavirus Panel for the Detection of COVID-19 and Other Coronaviruses

NCT07221097
View directory record Official record
Conditions
Coronavirus, Respiratory Infection, COVID
Interventions
Investigational IVD for coronaviruses
Device
Lead sponsor
BioFire Defense LLC
Industry
Eligibility
Not listed
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
6
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Tampa, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2025 · Synced Jul 23, 2026, 3:37 PM EDT
Terminated Not applicable Interventional Results available

ImmunoCARE: Rapid, Accurate COVID Testing to Reduce Hospitalization of Immunocompromised Individuals

NCT05655546
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Jul 23, 2026, 3:37 PM EDT
Completed No phase listed Observational

Index Individuals in SARS-CoV-2 Prevention Research Studies (COVID-19 Index Individuals Companion Study)

NCT05074719
View directory record Official record
Conditions
SARS-CoV-2 Infection, COVID-19, Coronavirus Infection, SARS (Severe Acute Respiratory Syndrome)
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
10 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced Jul 23, 2026, 3:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Food Effect Study to Evaluate the Effect of High-Fat Meal on the Relative Bioavailability of PF-07321332 Boosted With Ritonavir in Healthy Adult Participants

NCT05129475
View directory record Official record
Conditions
Healthy Participants
Interventions
PF-07321332/ritonavir, Ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Jul 23, 2026, 3:37 PM EDT
Completed No phase listed Observational

Inhaled Sedation in COVID-19-related Acute Respiratory Distress Syndrome (ISCA): an International Research Data Study in the Recent Context of Widespread Disease Resulting From the 2019 (SARS-CoV2) Coronavirus Pandemics (COVID-19)

NCT04383730
View directory record Official record
Conditions
Critically Illness, Sedation, Invasive Mechanical Ventilation, Acute Respiratory Distress Syndrome
Interventions
Intravenous sedation, Inhaled sedation
Drug
Lead sponsor
University Hospital, Clermont-Ferrand
Other
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 4, 2021 · Synced Jul 23, 2026, 3:37 PM EDT
Completed No phase listed Observational

Northern Colorado COVID-19 Biobank

NCT04603677
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
4
States / cities
Fort Collins, Colorado • Greeley, Colorado • Loveland, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Jul 23, 2026, 3:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

You and Me Healthy: Test to Treat

NCT07126392
View directory record Official record
Conditions
COVID - 19
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
8 Years and older
Enrollment
913 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
Merced, California • Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 16, 2025 · Synced Jul 23, 2026, 3:37 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Study of Monovalent and Bivalent Recombinant Protein Vaccines Against COVID-19 in Adults 18 Years of Age and Older

NCT04904549
View directory record Official record
Conditions
COVID-19
Interventions
SARS-CoV-2 adjuvanted recombinant protein vaccine (monovalent D614) (primary series), SARS-CoV-2 adjuvanted recombinant protein vaccine (bivalent D614 + B.1.351) (primary series), Placebo, SARS-CoV-2 adjuvanted recombinant protein vaccine (monovalent B.1.351) (booster dose) >= 4 months after last vaccination, SARS-CoV-2 adjuvanted recombinant protein vaccine(monovalent D614)(primary series)& SARS-CoV-2 adjuvanted recombinant protein vaccine(monovalent B.1.351)(booster dose)>=4 months after last vaccination
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
23,670 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
23
States / cities
Birmingham, Alabama • Huntsville, Alabama • Rolling Hills Estates, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jul 23, 2026, 3:37 PM EDT
Withdrawn Phase 2Phase 3 Interventional

Safety and Efficacy of Baricitinib for COVID-19

NCT04340232
View directory record Official record
Conditions
COVID-19
Interventions
Baricitinib
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 7, 2021 · Synced Jul 23, 2026, 3:37 PM EDT
Terminated Phase 3 Interventional Results available

A Study to Assess Pulsed Inhaled Nitric Oxide vs Placebo in Subjects With Mild or Moderate COVID-19

NCT04421508
View directory record Official record
Conditions
COVID-19, Coronavirus, Coronavirus Infection
Interventions
INOpulse, Placebo
Combination Product
Lead sponsor
Bellerophon Pulse Technologies
Industry
Eligibility
18 Years and older
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
17
States / cities
Phoenix, Arizona • San Diego, California • Miami, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Jul 23, 2026, 3:37 PM EDT
Completed Phase 2 Interventional Results available

Stellate Ganglion Block for COVID-induced Parosmia

NCT06253806
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Jul 23, 2026, 3:37 PM EDT
Completed No phase listed Observational Results available

Endocrine, Metabolic and Microbiome Influence on the Post-acute Sequelae SARS-CoV-2 (PASC)

NCT04860869
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 80 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 27, 2024 · Synced Jul 23, 2026, 3:37 PM EDT
Terminated Phase 2 Interventional Results available

COVID-FIS: Pilot in COVID-19 (SARS-CoV-2) of Fisetin in Older Adults in Nursing Homes

NCT04537299
View directory record Official record
Conditions
Covid19, SARS-CoV Infection
Interventions
Fisetin, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Jul 23, 2026, 3:37 PM EDT
Terminated Phase 3 Interventional

Real World Evaluation of the Effectiveness of AZD7442 for Prevention of SARS-CoV-2

NCT05438498
View directory record Official record
Conditions
SARS-CoV-2 Infection
Interventions
Evusheld (tixagevimab+cilgavimab) IM or IV
Drug
Lead sponsor
MediMergent, LLC
Industry
Eligibility
18 Years to 100 Years
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
40
States / cities
Corona, California • Fountain Valley, California • Oxnard, California + 36 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Jul 23, 2026, 3:37 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Mouth Rinses for Inactivation of COVID-19

NCT04584684
View directory record Official record
Conditions
Covid19, Coronavirus Infection, SARS-CoV-2 Infection
Interventions
0.9% w/v NaCL Saline, 1.5% w/v Hydrogen Peroxide, 0.12% Chlorohexidine Gluconate, 27% Ethanol plus essential oils, 0.5% w/v Povidone-iodide, 0.075% Cetylpyridinium Chloride
Other · Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 24, 2024 · Synced Jul 23, 2026, 3:37 PM EDT
Completed Not applicable Interventional

Restoring Energy With Sub-symptom Threshold Optimized Rehabilitation Exercise for Long COVID

NCT06172803
View directory record Official record
Conditions
Long Covid19, Exercise Intolerance, Riboflavin-Responsive
Interventions
Restoring Energy with Sub-symptom Threshold Aerobic Rehabilitation Exercise, Light Stretching/Breathing Exercises
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced Jul 23, 2026, 3:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT06476496
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jul 23, 2026, 3:37 PM EDT
Recruiting Phase 2Phase 3 Interventional

Study of Chemosensory Enhancement Through Neuromodulation Training (SCENT for Long COVID)

NCT05855369
View directory record Official record
Conditions
Smell Dysfunction, Olfactory Disorder, Long COVID
Interventions
Trigeminal Nerve Stimulation (TNS), Active Smell Training (ST), Placebo Smell Training (PBO)
Device · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Jul 23, 2026, 3:37 PM EDT
Not listed No phase listed Observational

Effect of Apollo Wearable on Long COVID-19 Symptoms.

NCT06097442
View directory record Official record
Conditions
Post-acute Sequelae of SARS-COV-2 Infection
Interventions
Not listed
Lead sponsor
The Board of Medicine
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Jul 23, 2026, 3:37 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Open-label, Post-marketing, Prospective Study to Assess Impact of COVID-19 on Cognitive Function in Patients

NCT04950673
View directory record Official record
Conditions
Cognitive Decline, Cognitive Dysfunction, Brain Health, Post CoV-2 Syndrome, COVID Long-Haul
Interventions
Cognivue
Device
Lead sponsor
Cognivue, Inc.
Industry
Eligibility
18 Years to 95 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
4
States / cities
Irvine, California • Visalia, California • Boca Raton, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Jul 23, 2026, 3:37 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparative Immunogenicity of Concomitant vs Sequential mRNA COVID-19 and Influenza Vaccinations

NCT06020118
View directory record Official record
Conditions
Influenza, COVID-19
Interventions
Simultaneous Vaccination (Influenza Vaccine and mRNA COVID booster), Sequential Vaccination (Influenza vaccine then mRNA COVID booster), Sequential Vaccination (mRNA COVID booster then Influenza vaccine)
Biological
Lead sponsor
Duke University
Other
Eligibility
6 Years to 64 Years
Enrollment
455 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
8
States / cities
Phoenix, Arizona • Tempe, Arizona • Atlanta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Jul 23, 2026, 3:37 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and Immunogenicity of mRNA-1273 Vaccine to Prevent COVID-19 in Adult Organ Transplant Recipients and in Healthy Adult Participants

NCT04860297
View directory record Official record
Conditions
SARS-CoV-2
Interventions
mRNA-1273
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
15
States / cities
Mesa, Arizona • San Diego, California • New Haven, Connecticut + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced Jul 23, 2026, 3:37 PM EDT
Completed No phase listed Observational

Myeloproliferative Neoplasms (MPN) and COVID-19

NCT04385160
View directory record Official record
Conditions
Myeloproliferative Neoplasm, COVID
Interventions
Not listed
Lead sponsor
FROM- Fondazione per la Ricerca Ospedale di Bergamo- ETS
Other
Eligibility
18 Years and older
Enrollment
552 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Jul 23, 2026, 3:37 PM EDT