Long COVID clinical trials
159 studies are looking for volunteers right now. Search near you to see which are close by and who can take part.
Or see all long covid studies in TrialFinder. Live data from ClinicalTrials.gov, updated daily.
At a glance
Where the studies are
U.S. states with the most recruiting long covid studies. A study counts once in each state where it has a site.
- California16
- New York10
- Maryland7
- Massachusetts7
- Illinois6
- Tennessee5
- Florida4
- North Carolina4
- Ohio4
- Texas4
- Colorado3
- Georgia3
Also in Canada (20), Germany (15), France (14), Italy (10), Spain (10), Brazil (7), China (5), Netherlands (5).
Types of study
Phases 1 to 4 test medicines, from first safety checks to long-term follow-up after approval. Trials of devices and programs have no phase. Observational studies give no study treatment.
- Early phase 13
- Phase 13
- Phase 1 / Phase 21
- Phase 213
- Phase 2 / Phase 34
- Phase 37
- Phase 45
- No phase (devices, programs)62
- Observational61
Recently updated studies
Recruiting long covid studies whose listing changed most recently. Open one in TrialFinder to check if you might qualify.
- RecruitingObservationalNCT04983251
Women s Health Awareness Community Resiliency, Environmental Action and Collaborations for Health (REACH)
Ages 18 Years – 100 Years · Research Triangle Park, North Carolina · National Institute of Environmental Health Sciences (NIEHS)
- RecruitingPhase 2NCT05764538
DAOIB for the Treatment of Brain Fog
Ages 18 Years – 100 Years · Kaohsiung City, Taiwan · Chang Gung Memorial Hospital
- RecruitingNo phase (devices, programs)NCT06928506
Effect of Hi-OxSR for the Treatment of Post COVID Condition
Ages 18 Years and over · Edmonton, Alberta · Toronto, Ontario +1 more · University Health Network, Toronto
- RecruitingNo phase (devices, programs)NCT04978571
Percutaneous Electrical Nerve Field Stimulation (PENFS) in Patients With Post Concussion Syndrome (PCS)
Ages 11 Years – 18 Years · Orange, California · Children's Hospital of Orange County
- RecruitingPhase 1NCT07093580
Study of S-892216 Long-acting Injectable (LAI) in Healthy Adult Participants
Ages 18 Years – 55 Years · Cypress, California · Lenexa, Kansas +1 more · Shionogi
- RecruitingPhase 3NCT06679140
A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe Disease
Ages 12 Years and over · Huntsville, Alabama · Little Rock, Arkansas +208 more · Pfizer
- RecruitingNo phase (devices, programs)NCT05780450
Effectiveness of Transcranial Direct Current in Patients With Persistent COVID-19 With Headaches and Chronic Pain.
Ages 16 Years and over · Paiporta, Valencia · Valencia, Valencia · Fundación Universidad Católica de Valencia San Vicente Mártir
- RecruitingPhase 2NCT06366724
LIFT: Life Improvement Trial
Ages 18 Years – 70 Years · Boston, Massachusetts · Brigham and Women's Hospital