Clinical trials
COVID-19 clinical trials
Below are recruiting covid-19 clinical trials, each written for real people, not researchers. We’re tracking 305 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06441955RecruitingPhase 4
Long Covid prevention and health support trial
This trial tests a care program designed to help people who continue to have symptoms after recovering from COVID-19. It aims to prevent long-term health problems and improve well-being.
Bethesda, MarylandAges 18–65 - NCT02735707RecruitingPhase 3
Adaptive trial for severe pneumonia care in intensive care
This study tests ways to improve treatment for adults with severe pneumonia that lands them in the ICU, adjusting the plan as results come in. It may help your care team find better treatments for lung infection and breathing/heart support needs.
Jacksonville, FloridaAges 18 years+ - NCT06168032Recruiting
COVID-19 vaccine for lung cancer patients
This trial is testing how well the COVID-19 vaccine works for people with lung cancer to prevent another infection. It also looks at certain biomarkers in your blood that might help predict your body's immune response.
BeijingAges 18 years+ - NCT04733729Recruiting
COVID-19 in blood cancer patients
This study looks at COVID-19 in people who have (or have had) blood cancers and are positive for SARS‑CoV‑2. It may help doctors understand how COVID-19 affects people with blood cancers and guide care.
BresciaAges 18–99 - NCT04377490Recruiting
Study of blood clots in hospitalized COVID-19 patients
This study looks at how often blood clot–related problems happen in people hospitalized with serious COVID-19 lung illness. It may help doctors understand risks and improve care for patients in the hospital.
AmiensAges 18 years+ - NCT04448145Recruiting
Study why COVID lasts after recovery
This study looks at what factors may make COVID-19 symptoms or infection effects last after someone has recovered. It also collects certain body samples to better understand why this persistence happens.
New York, New YorkAges 7 years+ - NCT05022446Recruiting
Survey study on how COVID-19 affected lung procedures
This study is a survey sent to U.S. lung doctors to understand how COVID-19 changed the way certain lung procedures are done. Your answers could help improve future care and planning during respiratory outbreaks.
Houston, TexasAges Any age - NCT05334615Recruiting
Study of blood clot problems after COVID or flu
This study looks at blood clot–related complications after COVID-19 (and in some cases flu) in adults admitted to the hospital. It may help doctors better understand and manage these complications.
Iowa City, IowaAges 18–99 - NCT05539560Recruiting
Olfactory training for loss of smell after COVID-19
This trial studies whether daily smell training can improve smell loss caused by COVID-19. It may help people regain smell and possibly reduce related symptoms like distorted smells.
CopenhagenAges 18 years+ - NCT07359482RecruitingPhase 3
Fluvoxamine for fatigue after covid-19
This study tests the antidepressant fluvoxamine to see if it can reduce long-term fatigue in adults who developed severe tiredness after a covid-19 infection. You may join if your fatigue started or got worse after covid and has lasted at least 3 months.
Amsterdam-ZuidoostAges 18–70 - NCT07316127RecruitingPhase 2
Blood filtering for autoimmune long COVID
This trial tests if filtering certain antibodies from the blood can help people with long COVID who experience post-exertional malaise (PEM) and reduced function. It aims to see if this treatment reduces symptoms and improves daily life.
AmsterdamAges 18–65 - NCT07123727RecruitingPhase 2
Testing Anktiva for long COVID symptoms
This study tests if the drug Anktiva can help people with long COVID. To join, you must have had at least one confirmed COVID-19 infection and now have lasting symptoms that started or got worse after that infection.
El Segundo, CaliforniaAges 18–70 - NCT07013474RecruitingPhase 3
Study of ibuzatrelvir for immunocompromised adults with COVID-19
This trial tests an investigational medicine called ibuzatrelvir for adults with COVID-19 who have a weakened immune system. The study aims to see if it helps them recover and avoid severe illness.
Canoga Park, CaliforniaAges 18 years+ - NCT04330599Recruiting
COVID-19 study following people in the UK
This observational study follows how COVID-19 affects people in the UK over time. It may help researchers understand patterns of illness and health changes, without testing a new treatment.
London, County (optional)Ages 16 years+ - NCT04706390Recruiting
Study compares immune response after COVID infection vs vaccination
This study looks at how your immune system responds after natural COVID-19 infection compared with after COVID vaccination. It may help researchers understand how well different experiences train the body’s defenses.
BergenAges 20–100 - NCT05228691Recruiting
Study Long COVID symptoms in the Canary Islands
This study looks at how common long-term COVID symptoms are in people across the Canary Islands. It may help researchers better understand who is affected and what symptoms last, which can support future care.
Las Palmas de Gran Canaria, Las PalmasAges 18 years+ - NCT05246098Recruiting
Rehabilitation program study for young and adult ICU COVID/respiratory survivors
This study looks at whether a rehabilitation approach improves recovery outcomes for people who survived COVID-19 or a serious breathing infection and needed ICU/PICU care. It may help those still dealing with physical or functional problems after their critical illness.
Calgary, AlbertaAges Any age - NCT05425264Recruiting
Home exercise coaching by video after COVID
This trial tests a home-based exercise and physical therapy program delivered by video after a COVID-19 infection. It may help you rebuild strength and breathing safely, especially if you also have certain long-term health conditions.
Baltimore, MarylandAges 50–85 - NCT05582512Recruiting
Study of long-term effects in children after COVID-19
This study looks at what long-term health effects children may have after getting COVID-19, and how those effects change over time. You may be asked to share health information and possibly complete a scan that can’t be done if certain metal is present.
Taipei, Chung Cheng DistrictAges Up to 18 years - NCT05886816RecruitingPhase 2
Mitoquinone pills to prevent COVID-19 after risky exposure
This trial tests whether an oral medication (mitoquinone/mitoquinol) taken after a high-risk COVID-19 exposure can help prevent you from becoming sick. It is designed for people who currently have no symptoms but had a significant exposure to someone with confirmed COVID-19.
Dallas, TexasAges 18–65 - NCT06128928Recruiting
Boosting COVID-19 vaccines in Latino communities
This study tests whether connecting with friends and health workers can help more Latino people in Maryland get vaccinated or boosted against COVID-19. It aims to reach both those who are already vaccinated and those who are hesitant.
Baltimore, MarylandAges 18 years+ - NCT06601998Recruiting
Heart health after severe pneumonia
This study looks at how heart health changes in people who have recovered from severe pneumonia, including COVID-19. It compares survivors to healthy people and those with heart risk factors.
AlexandroupoliAges 18 years+ - NCT05831839Enrolling by invitation
Computer training for attention and memory after COVID
This study tests whether computer-based exercises can improve attention and working memory in adults who still have cognitive (thinking) complaints after COVID. It may help if your focus and memory issues have lasted for a while.
Rotterdam, South HollandAges 18 years+ - NCT04299724RecruitingPhase 1
COVID-19 Vaccine Safety and Immune Response Study
This early-stage trial tests a new COVID-19 vaccine designed to teach your immune system to fight the virus. It is for people who have just tested positive for COVID-19 and are otherwise healthy.
Shenzhen, GuangdongAges 6 months–80 years
Hear when a new COVID-19 trial opens
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Common questions
- Are there clinical trials for covid-19?
- Yes. Clin2 currently lists 305 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.