COVID-19 / long COVID Clinical Trials

Recruiting covid-19 / long covid studies with sites across the US, sourced from ClinicalTrials.gov and refreshed daily. Free to join — find one near you below.

Clinical trials study new ways to prevent, detect, or treat covid-19 / long covid. Joining one can give you access to investigational treatments and close monitoring by a specialist research team — at no cost — while helping advance care for others. Below are recruiting covid-19 / long covid studies with sites across the US; use the location tools to find ones near you.

What to expect

Screening first. The study team reviews your eligibility before anything else — there's no obligation to continue.
Informed consent. You'll get a full explanation of the study, its potential risks and benefits, and can withdraw at any time.
No cost to you. Study visits, tests, and the investigational treatment are covered; many studies reimburse travel.

Recruiting covid-19 / long covid trials

Within

Evaluation of the Safety and Efficacy of XoGlo Pro, a Placental Mesenchymal Stem Cell-derived Extracellular Vesicles in Treating COVID-19 Symptoms

for COVID-19

Sponsor: Kimera Labs Inc.

Sex: All·Age: 18+

Code: NCT07664696·Phase 1, Phase 2

Fatigue in Long COVID

for Long COVID

Sponsor: McMaster University

Sex: All·Age: 18 - 65

Code: NCT07697261

C11 ER176 PET in Evaluating Neuroinflammation in Patients With Post-COVID Syndrome

for COVID-19

1 site in Rochester

Sponsor: Mayo Clinic

Sex: All·Age: 18+

Code: NCT07527130

Taurine Supplementation in Adolescents With Post-COVID Condition

for Long COVID

Sponsor: University of Alberta

Sex: All·Age: 10 - 17

Code: NCT07682402·Phase 1, Phase 2

Transcranial Direct Current Stimulation for Long COVID Brain Fog and Fatigue

for Long COVID

Sponsor: University of Las Palmas de Gran Canaria

Sex: All·Age: 18 - 70

Code: NCT07709234

Sauna for Long Covid

for Long COVID

1 site in Boston

Sponsor: Massachusetts General Hospital

Sex: All·Age: 18 - 65

Code: NCT05931497

Apply to this trial

Observational Study of Intranasal IVIG in Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Patients Undergoing Medical Tourism

for Post-Acute Sequelae of SARS-CoV-2 Infection

Sponsor: Tamara C Tamas

Sex: All·Age: 18 - 65

Code: NCT06992401

Development of an Accessible Cognitive Behavioral Therapy Digital Therapeutic for Individuals With Long COVID

for Long Covid

Sponsor: Toivoa Inc

Sex: All·Age: 22+

Code: NCT07714889

Longitudinal Deep Phenotyping of Central Mechanisms in Dysosmia: A Pilot Study Using Electrobulbogram (EBG), Functional MRI (fMRI), and Diffusion-Weighted Imaging (DWI)

for Respiratory Tract Infection

1 site in Bethesda

Sponsor: National Institute on Deafness and Other Communication Disorders (NIDCD)

Sex: All·Age: 18 - 99·Accepts healthy volunteers

Code: NCT07149428

Smart Analysis and Decision-Making for Emerging Infectious Diseases

for Emerging Infectious Diseases

Sponsor: Peking University

Sex: All·Age: 18+

Code: NCT07678619

A Multi-Center, Individually-Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Superiority Trial to Evaluate the Efficacy of the Combination of Maraviroc and Atorvastatin for the Treatment of Subjects With Long COVID

for Long COVID

1 site in Tucson

Sponsor: HealthBio, Inc.

Sex: All·Age: 18 - 65

Code: NCT06974084·Phase 2, Phase 3

A Pilot Randomized Controlled Trial of Homeopathic Treatment for Long COVID

for Long COVID

Sponsor: St. Mary's University, Twickenham

Sex: All·Age: 18+

Code: NCT07694232

Patient-Centered Practical Vaccine Talk For Busy Clinicians

for Influenza

1 site in Worcester

Sponsor: University of Massachusetts, Worcester

Sex: All·Age: 18+

Code: NCT07651761

Safety and Serum Virus Neutralizing Antibody Responses of VYD2311, a COVID-19 Vaccine, and Coadministered VYD2311 With a COVID-19 Vaccine

for COVID-19

1 site in Overland Park

Sponsor: Invivyd, Inc.

Sex: All·Age: 18 - 49·Accepts healthy volunteers

Code: NCT07655180·Phase 3

Apply to this trial

SARS-CoV-2 and Herpesvirus Inhibition for Ending Long COVID Dysfunction

for Post-acute Sequelae of COVID-19

1 site in New York

Sponsor: Icahn School of Medicine at Mount Sinai

Sex: All·Age: 18 - 65

Code: NCT07597902·Phase 2

The Effect of Acupuncture Treatment on Cognitive Functions and Brain Networks for Long COVID

for Long Covid

Sponsor: Tingting Luo

Sex: All·Age: 18 - 60·Accepts healthy volunteers

Code: NCT07355751

Understanding the Long-term Impact of COVID-19 in Adults

for Long COVID

1 site in New York

Sponsor: NYU Langone Health

Sex: All·Age: 18 - 100

Code: NCT07498504

A Safety and Immunogenicity Trial of OCU500, ChAd36 Vector Encoding SARS-CoV-2 Spike Vaccine Via Intranasal and Inhalational Routes in Previously Vaccinated Adults

for COVID-19

5 sites incl. Decatur

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 18 - 64·Accepts healthy volunteers

Code: NCT07536308·Phase 1

Apply to this trial

Evaluating the Safety and Efficacy of PNMR as Treatment for Long COVID

for Long COVID

Sponsor: ParagonClinicals Inc.

Sex: All·Age: 19+

Code: NCT07627815·Phase 2

Apply to this trial

Noseguard for Prevention of Respiratory Infections in Real-World Use

for Respiratory Infection Virus

Sponsor: Daewoong Pharmaceutical Co. LTD.

Sex: All·Age: 19+

Code: NCT07516977

PERCEIVE-Outreach: A Scalable, Risk-Based Model for Managing Persistent Cardiovascular Impact in Long COVID

for Long COVID

Sponsor: University of Tasmania

Sex: All·Age: 40+

Code: NCT07661862

Apply to this trial

A Study of Human Umbilical Cord Blood (REGENECYTE) Infusion in Patients With Post-COVID Condition

for Long COVID

Sponsor: StemCyte, Inc.

Sex: All·Age: 18 - 65

Code: NCT07184385·Phase 3

Whole-Body Electrostimulation for Functional Recovery in Post-COVID Syndrome

for Post COVID Syndrome Long Covid

Sponsor: Universidad Rey Juan Carlos

Sex: All·Age: 18 - 70

Code: NCT07312357

Kisspeptin to Quantify GnRH Neuronal Function in Health and Disease

for Reproductive Disorder

1 site in Boston

Sponsor: Stephanie B. Seminara, MD

Sex: All·Age: 18 - 60

Code: NCT07224490·Phase 1

Apply to this trial

Clinical Trial on a Natural Compound to Improve Chronic Inflammation After SARS-CoV-2 Infection

for Long COVID

Sponsor: Universidad Católica San Antonio de Murcia

Sex: All·Age: 18 - 70

Code: NCT07397910

Stellate Ganglion Block for Long COVID Symptoms: A Randomized Controlled Trial

for Long COVID

Sponsor: Centre intégré universitaire de santé et de services sociaux de la Mauricie-et-du-Centre-du-Québec

Sex: All·Age: 18+

Code: NCT07374562

Apply to this trial

Incidence of Bleeding, Thrombosis and Transfusion Requirements in ICU Patients With COVID-19 Supported With Veno-venous Extracorporeal Membrane Oxygenation

for VV ECMO

Sponsor: Rigshospitalet, Denmark

Sex: All·Age: All ages

Code: NCT07352072

Mitochondrial Function in Peripheral Blood Mononuclear Cells, Muscle, and Skin of Long COVID Patients

for Long COVID

Sponsor: Universitair Ziekenhuis Brussel

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT07134673

Apply to this trial

Recovering From COVID-19 Lingering Symptoms Adaptive Integrative Medicine Trial - Effect of Hyperbaric Oxygen Therapy for the Treatment of Post COVID Condition

for Long COVID

Sponsor: University Health Network, Toronto

Sex: All·Age: 18+

Code: NCT06452095

Apply to this trial

Immunoadsorption in Autoimmune Long COVID

for Long COVID

Sponsor: Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)

Sex: All·Age: 18 - 65

Code: NCT07316127·Phase 2

Apply to this trial

Volatile Organic Compounds Analysis by GC-MS for Diagnostic of Hospitalised Patients With Respiratory Infections Using Exhaled Breath

for Respiratory Infections

Sponsor: Hospices Civils de Lyon

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT07352462

Development of Voice Biomarkers of Frequent COVID-19 and Long Covid-related Symptoms Based on Data From Users of the Long COVID Companion App

for Long COVID

Sponsor: Luxembourg Institute of Health

Sex: All·Age: 18+

Code: NCT07156994

Long COVID Diagnostic Reactivity Assesment Test

for Long COVID

Sponsor: Oncology Center,Ministry Of Heath,Uzbekistan

Sex: All·Age: 18 - 75

Code: NCT07343856

Long-Term Health Effects of Previous Coronavirus Disease 2019 (COVID-19) in Patients Undergoing Preoperative Anesthesia Evaluation

for Post-COVID Condition

Sponsor: Elazıg Fethi Sekin Sehir Hastanesi

Sex: All·Age: 18+

Code: NCT07435805

Apply to this trial

Taurine Supplementation in Long COVID

for Long COVID

Sponsor: University of Alberta

Sex: All·Age: 18+

Code: NCT06721949·Phase 2, Phase 3

Apply to this trial

Brain Stimulation in Long COVID

for Long COVID

Sponsor: Amsterdam UMC, location VUmc

Sex: All·Age: 18+

Code: NCT07278206

Apply to this trial

A Study to Assess Anktiva in Patients With Long Covid-19.

for Long COVID

1 site in San Francisco

Sponsor: ImmunityBio, Inc.

Sex: All·Age: 18 - 70

Code: NCT07108036·Phase 2

Apply to this trial

Evaluating the Impact of a Functional and Cognitive Strategy in Patients With Long Covid-19

for Long COVID-19 Syndrome

Sponsor: Fundación Cardioinfantil Instituto de Cardiología

Sex: All·Age: 18 - 80

Code: NCT06871293

Apply to this trial

A Phase 1/2A, Randomized Study of a T Follicular Helper (TFH)-Targeting Genetic Vaccine Strategy Designed to Induce Broad, Durable Immune Responses

for COVID-19

2 sites incl. Los Angeles

Sponsor: Kara Chew

Sex: All·Age: 40 - 64·Accepts healthy volunteers

Code: NCT06810934·Phase 1, Phase 2

Apply to this trial

"Study of the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Immunogenicity of the Drug B10-FC After Single Administration to Adult Patients".

for COVID-19

Sponsor: Gamaleya Research Institute of Epidemiology and Microbiology, Health Ministry of the Russian Federation

Sex: All·Age: 18 - 45·Accepts healthy volunteers

Code: NCT07156864·Phase 1

Post-intensive Care Syndromes in Pregnant Patients With Respiratory Failure and COVID-19 Compared to Non-pregnant Patients With Respiratory Failure and COVID-19

for COVID-19

Sponsor: Charite University, Berlin, Germany

Sex: All·Age: 18+

Code: NCT07051967

Apply to this trial

Correlation Between COVID-19 and Radiation Pneumonitis in Breast Cancer

for Breast Cancer

Sponsor: Zhejiang Hospital

Sex: Female·Age: 18 - 80

Code: NCT07188116

Long Covid (LC)-REVITALIZE - A Long Covid Repurposed Drug Study

for Long COVID

1 site in San Diego

Sponsor: Douglas D. Fraser

Sex: All·Age: 18 - 65

Code: NCT06928272·Phase 3

Apply to this trial

Acupuncture and Chinese Herbal Medicine for Long COVID

for Long COVID

1 site in Whittier

Sponsor: Southern California University of Health Sciences

Sex: All·Age: 18+

Code: NCT07285707

Apply to this trial

A Study to Examine Anktiva for the Treatment of COVID-19.

for Long COVID

1 site in El Segundo

Sponsor: ImmunityBio, Inc.

Sex: All·Age: 18 - 70

Code: NCT07123727·Phase 2

Apply to this trial

Next Generation T-cell Vaccine Against Coronavirus Disease (COVID-19)

for Coronavirus

Sponsor: Gylden Pharma Ltd

Sex: All·Age: 18 - 75·Accepts healthy volunteers

Code: NCT05633446·Phase 1, Phase 2

Neutralizing Power of Serum Antibodies - 2

for COVID-19

Sponsor: Centre Hospitalier Régional d'Orléans

Sex: All·Age: 18+

Code: NCT07085611

Apply to this trial

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

for COVID-19

1 site in Bloomington

Sponsor: Indiana University

Sex: All·Age: 18 - 75·Accepts healthy volunteers

Code: NCT07128095

Apply to this trial

Effects os Physiotherapeutic Rehabilitation on Function Autonomic and Inflammatory in Patients With Long Covid

for Long COVID

Sponsor: Universidade do Estado do Pará

Sex: All·Age: 20 - 59

Code: NCT07046208

Effect of Hi-OxSR for the Treatment of Post COVID Condition

for Long COVID

Sponsor: University Health Network, Toronto

Sex: All·Age: 18+

Code: NCT06928506

Apply to this trial

Magnetic Resonance Analysis of Neural Inflammatory Factors and External Stimulation

for Long COVID

1 site in Albuquerque

Sponsor: University of New Mexico

Sex: All·Age: 18 - 80

Code: NCT06940609·Phase 2

Apply to this trial

Vale+Tú Salud: Corner-Based Trial to Test a Latino Day Laborer Program Adapted to Prevent COVID-19

for COVID-19

1 site in Houston

Sponsor: The University of Texas Health Science Center, Houston

Sex: All·Age: 18+

Code: NCT06821113

Apply to this trial

Clinical Feasibility of the BinaxNOW™ COVID-19/Flu A&B Combo in the Southern Hemisphere

for Influenza Type A

Sponsor: Abbott Rapid Dx

Sex: All·Age: 2+

Code: NCT06928129

PET Imaging of Cyclooxygenase-1 in Participants With Neurological Manifestations of Post-Acute Sequelae of SARS-CoV-2 Infection (PASC)

for Long COVID

1 site in Bethesda

Sponsor: National Institute of Mental Health (NIMH)

Sex: All·Age: 18 - 70·Accepts healthy volunteers

Code: NCT06920628·Phase 1

Apply to this trial

Attention, Memory and Quality of Life in Post-COVID-19 Adults

for Post-Acute COVID-19 Syndrome

Sponsor: Jade Carvalho Da Silva

Sex: All·Age: 18 - 60·Accepts healthy volunteers

Code: NCT07005921

From Inflammation to Remodelling Towards Personalized Diagnosis in Post-acute Sequelae of COVID-19

for PASC Post Acute Sequelae of COVID 19

Sponsor: University Medical Center Groningen

Sex: All·Age: 20+·Accepts healthy volunteers

Code: NCT06911476

Evaluation of the Effectiveness of Breathing Control Technique on Long COVID Symptoms at the Reunion University Hospital

for Long COVID

Sponsor: Centre Hospitalier Universitaire de la Réunion

Sex: All·Age: 18+

Code: NCT05851859

Apply to this trial

Routine Application of Point-of-care PCR Test to Identify and Direct Therapy for Acute Respiratory Infection in the Emergency Department Trial

for Influenza

Sponsor: The University of Hong Kong

Sex: All·Age: 18+

Code: NCT06780566

The Role of Obesity in Severe COVID-19 Pathophysiology

for COVID-19

Sponsor: Franciscus Gasthuis

Sex: All·Age: 18 - 65·Accepts healthy volunteers

Code: NCT06968442

Apply to this trial

Optimising General Practice Long COVID Care - an Educational Intervention.

for Long COVID

Sponsor: University College Dublin

Sex: All·Age: 18+

Code: NCT06765421

COVID-19 / long COVID clinical trials — common questions

Are covid-19 / long covid clinical trials free to join?

Yes. Participating in a covid-19 / long covid clinical trial is free — study-related visits, tests, and the investigational treatment are provided at no cost to you. Many studies also reimburse travel and time. You never pay to take part.

Who can join a covid-19 / long covid clinical trial?

Each covid-19 / long covid study sets its own eligibility criteria — typically based on age, medical history, current treatments, and overall health. Every trial listed here shows its criteria, and the study team confirms your eligibility before enrollment. You can review and apply to any that look like a fit.

How do I find a covid-19 / long covid trial near me?

Use the location controls above. We'll show recruiting covid-19 / long covid trials with sites near you, sorted by distance. You can widen the radius or share your exact location for the closest matches.

How many covid-19 / long covid trials are recruiting right now?

We're currently tracking roughly 96 recruiting covid-19 / long covid trials with US sites, sourced from ClinicalTrials.gov and refreshed daily.

Looking for a specific location? Browse trials by city and state.

COVID-19 / long COVID trials by city

Boston, MA Chicago, IL Birmingham, AL Los Angeles, CA Palo Alto, CA San Francisco, CA Bloomington, IN Columbus, OH Duarte, CA Everett, WA

Related specialties

Infectious disease