COVID19 Clinical Trials

43 recruitingLast updated: May 21, 2026

There are 43 actively recruiting covid19 clinical trials across 38 countries. Studies span Not Applicable, Phase 2, Phase 1, Phase 3, Early Phase 1. Top locations include New York, New York, United States, San Francisco, California, United States, Los Angeles, California, United States. Updated daily from ClinicalTrials.gov.


COVID19 Trials at a Glance

43 actively recruiting trials for covid19 are listed on ClinicalTrialsFinder across 6 cities in 38 countries. The largest study group is Not Applicable with 8 trials, with the heaviest enrollment activity in New York, San Francisco, and Los Angeles. Lead sponsors running covid19 studies include Universitaire Ziekenhuizen KU Leuven, Pregistry, and Hong Kong Baptist University.

Browse covid19 trials by phase

About COVID19 Clinical Trials

Looking for clinical trials for COVID19? There are currently 34 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new COVID19 trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about COVID19 clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 43 trials

Recruiting

Collection of SARS CoV-2 (COVID-19) Virus Secretions and Serum for Countermeasure Development

COVID19
Tulane University2,000 enrolled2 locationsNCT04956445
Recruiting
Phase 1Phase 2

AGILE (Early Phase Platform Trial for COVID-19)

COVID19
University of Liverpool600 enrolled7 locationsNCT04746183
Recruiting
Phase 2

Imaging Immune Activation in COVID-19

COVID19SARS-CoV Infection
CellSight Technologies, Inc.80 enrolled1 locationNCT04815096
Recruiting
Not Applicable

Dysfunction of Olfaction After COVID-19 Infection: Morphological and Histomolecular Investigation

COVID19Olfactory Dysfunction
Universitaire Ziekenhuizen KU Leuven240 enrolled7 locationsNCT06482138
Recruiting
Not Applicable

Hyperbaric Oxygen Therapy for Post-COVID-19 Syndrome

COVID19Neurocognitive Dysfunction
Assaf-Harofeh Medical Center91 enrolled1 locationNCT04647656
Recruiting
Phase 3

Outpatient Treatment With Anti-Coronavirus Immunoglobulin

COVID19COVIDSARS-CoV2 infection
University of Minnesota820 enrolled66 locationsNCT04910269
Recruiting

Institut de Recherche Cliniques de Montreal (IRCM) Post-COVID-19 (IPCO) Research Clinic

COVID19Long COVID
Emilia Falcone, MD650 enrolled1 locationNCT04736732
Recruiting
Phase 1Phase 2

SARS-CoV-2 CTLS for Mild to Moderate COVID-19 Disease

COVID19
New York Medical College50 enrolled4 locationsNCT04896606
Recruiting

Influenza Vaccination, ACEI and ARB in the Evolution of SARS-CoV2 Infection

COVID19Influenza vaccinationARB+3 more
Consorci Sanitari de Terrassa3,000 enrolled1 locationNCT04367883
Recruiting
Phase 2

Effect of 2-HOBA in Persistent Immune Activation in Long COVID POTS

SARS-CoV-2 infectionPost-Acute COVID-19 SyndromeLong Covid19+1 more
Vanderbilt University Medical Center50 enrolled1 locationNCT07189936
Recruiting

The Effect of the Covid-19 Pandemic Among Operated Patients

COVID19Surgery
Karolinska Institutet300,000 enrolled1 locationNCT04525716
Recruiting
Phase 3

The VITDALIZE Study: Effect of High-dose Vitamin D3 on 28-day Mortality in Adult Critically Ill Patients

COVID19Critical IllnessVitamin D Deficiency
Medical University of Graz2,400 enrolled18 locationsNCT03188796
Recruiting

COVID-19 Survivorship Registry

COVID19
NYU Langone Health1,500 enrolled1 locationNCT04527315
Recruiting
Early Phase 1

Study of Liraglutide (A Weight Loss Drug) in High Risk Obese Participants With Cognitive and Memory Issues

ObesityMultiple SclerosisLong COVID+4 more
University of Chicago30 enrolled1 locationNCT06171152
Recruiting

COVID-19 Vaccines International Pregnancy Exposure Registry

COVID19
Pregistry6,000 enrolled1 locationNCT04705116
Recruiting

COVID-19 International Drug Pregnancy Registry

COVID19
Pregistry2,000 enrolled1 locationNCT05013632
Recruiting
Phase 1

Covid-19 and Influenza Oral Vaccine Study

Influenza, Humancovid19 Infection
Vaxine Pty Ltd100 enrolled1 locationNCT06355232
Recruiting
Not Applicable

A Multimodal Parent-focused Intervention for Vulnerable Populations in the Bronx

COVID19Parenting
Albert Einstein College of Medicine360 enrolled1 locationNCT04991467
Recruiting
Not Applicable

Long-Covid-19 Alleviation Through Learning Mindfulness Study

Post-Acute COVID-19 SyndromeLong COVIDLong Covid19+3 more
Columbia University400 enrolled1 locationNCT07140094
Recruiting

KIDney Injury in Times of COVID-19 (KIDCOV)

COVID19Acute Kidney InjuryKidney Injury+2 more
University of California, San Francisco2,000 enrolled3 locationsNCT04705766