Clinical trials
COVID-19 clinical trials
Below are recruiting covid-19 clinical trials, each written for real people, not researchers. We’re tracking 273 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06821126RecruitingPhase 1/Phase 2
Nasal spray COVID-19 vaccine booster study for healthy adults
This study tests a new nasal spray COVID-19 vaccine to see how it compares to an mRNA booster shot. It is for healthy adults who have already had at least 3 doses of an mRNA COVID-19 vaccine (or 2 doses plus a confirmed COVID infection) and are looking for a needle-free booster option.
DijonAges 18–60 - NCT06810934RecruitingPhase 1/Phase 2
New COVID-19 vaccine study for those with prior mRNA vaccines
This study tests a new type of COVID-19 vaccine that is designed to train your immune system to make stronger, longer-lasting protection. You may be able to join if you are 40–64, have already had at least two doses of a mRNA COVID-19 vaccine (Pfizer or Moderna) more than 4 months ago, and are generally healthy.
Los Angeles, CaliforniaAges 40–64 - NCT04424992Recruiting
Observing hospitalized adults with COVID-19 lung infection
This study follows adults who are hospitalized with COVID-19 in the lungs. The goal is to better understand how COVID-19 behaves in the hospital over time.
MonzaAges 18 years+ - NCT06695364Enrolling by invitation
Opinions on distance medicine education during COVID-19
This study asks medical students about their views on distance learning during the pandemic. It aims to understand how remote education worked for future doctors.
TekirdağAges 18–45 - NCT06585241RecruitingPhase 4
Study of Updated COVID-19 Vaccines for High-Risk Groups
This trial tests updated COVID-19 vaccines designed to better protect against current variants. It's for people who have already been vaccinated and are at higher risk for severe COVID-19.
Atlanta, GeorgiaAges 6 months+ - NCT06577467Recruiting
Studying leftover virus after covid recovery
This study looks for signs of leftover SARS-CoV-2 virus in people who have fully recovered from COVID-19, including those with ongoing neurological symptoms (like brain fog, fatigue, or nerve pain). It aims to understand why some people have long-lasting symptoms after infection.
Bethesda, MarylandAges 18–110 - NCT05868239Recruiting
Testing an aerosol box during CPR emergencies
This study tests whether using an aerosol “box” during cardiopulmonary resuscitation (CPR) during an emergency improves safety and care. It’s mainly aimed at trained healthcare staff who can perform required tasks during CPR.
Los Angeles, CaliforniaAges 18–60 - NCT04389463Recruiting
Study of heart surgery outcomes during COVID-19
This study looks at how people do after heart or chest surgery when they test positive for COVID-19. It may help doctors understand risks and outcomes for surgical patients during the pandemic.
NantesAges 18 years+ - NCT06513910Recruiting
Studying how social music affects the brain
This trial looks at how listening to music with others changes brain activity. It may help us understand the social benefits of music.
New Haven, ConnecticutAges 16 years+ - NCT06505226Recruiting
Music mindfulness study for anxiety and depression
This study tests a music-based mindfulness program to help people with anxiety or depression. It compares the program to a wait list to see if it eases symptoms.
New Haven, ConnecticutAges 18–65 - NCT06513845Enrolling by invitation
Drum circle study for adults
This study is looking at how drumming together in a group may affect people's sense of connection and well-being. You may be able to join if you are 18 or older.
New Haven, ConnecticutAges 18–65 - NCT06513858Enrolling by invitation
Community drum circle for wellness
This study looks at how a community drum circle may affect your wellbeing. It is open to anyone aged 16 and older.
New Haven, ConnecticutAges 16–65 - NCT06513871Enrolling by invitation
Social perception study for ages 16 and up
This study looks at how people understand social situations. It may help us learn more about social thinking in everyday life.
New Haven, ConnecticutAges 16–65 - NCT06482138Recruiting
Why smell may change after COVID-19: a nose tissue study
This study looks at why some people lose or change their sense of smell after COVID-19. Researchers will take a tiny sample of tissue from your nose to study the cells and molecules involved.
Brussels, Brussels CapitalAges 18–70 - NCT06417762Recruiting
A study testing social media health messages for community health workers
This trial teaches community health workers how to find and share true health information on social media, and how to spot and stop false information. It aims to reduce illness from respiratory viruses in seven communities.
Chicago, IllinoisAges 18–99 - NCT05534009Recruiting
Study of healthcare workers’ COVID infection and vaccine history
This study gathers information about healthcare workers (adults) and tracks your past COVID-19 infection and vaccination history. It may help researchers understand how COVID affects healthcare workers and how vaccines relate to infection outcomes.
DüsseldorfAges 18 years+ - NCT05013632Recruiting
COVID-19 pregnancy medicine registry for expecting or recent mothers
This study is a registry that collects information about COVID-19 during pregnancy, including what treatments were used and pregnancy outcomes. It may help doctors better understand the safety and effects of COVID-19 medicines in pregnancy.
Los Angeles, CaliforniaAges 18–50 - NCT06160128Recruiting
COVID-19 treatment outcomes in veterans
This study looks at how well different COVID-19 treatments work in Veterans. By reviewing health records, researchers hope to find which medications help the most.
Portland, OregonAges 18 years+ - NCT06159699Recruiting
Online survey about health
This trial is a simple online survey. You will answer a questionnaire from your own device, helping researchers learn more about health.
TomskAges 18 years+ - NCT06099795Recruiting
Breath test vs. swab test for COVID-19
This study checks if a new breath test (eBAM-CoV) can accurately detect COVID-19 compared to the usual nose/throat swab test (RT-PCR). If you have symptoms or were exposed and are getting tested anyway, you may be able to help by also providing a breath sample.
NîmesAges 18 years+ - NCT04527315Recruiting
COVID-19 survivors health registry and follow-up scans
This study enrolls adults who had COVID-19 to track longer-term health effects and match them with people who did not have COVID-19. Depending on eligibility, you may be asked to complete questionnaires and possibly have MRI or X-ray scans.
New York, New YorkAges 18 years+ - NCT06008860RecruitingPhase 4
Astepro nasal spray for early COVID-19
This trial tests whether Astepro nasal spray can help people with mild or no COVID-19 symptoms recover faster. If you have tested positive and are vaccinated, you may qualify.
Chicago, IllinoisAges 18 years+ - NCT06052436RecruitingPhase 1/Phase 2
Treg cell therapy for COVID-19 and acute respiratory distress
This trial tests a new cell therapy using Treg cells from thymic tissue to calm an overactive immune response in severe COVID-19 and ARDS. It aims to improve breathing and reduce inflammation.
Madrid, MadridAges 18–65 - NCT05973084Recruiting
COVID spread study in Malawi households and vaccine recipients
This study tracks how COVID-19 spreads and causes illness in real households in Blantyre, Malawi, and compares groups after infection or vaccination. If you qualify, you’ll do follow-up testing and visits for several months.
Boston, MassachusettsAges 5–75
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Common questions
- Are there clinical trials for covid-19?
- Yes. Clin2 currently lists 273 recruiting covid-19 studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a covid-19 trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a covid-19 trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.