Condition

Covid19 clinical trials and research

• 19Clinical trials
• 17NIH research projects
• 13Countries

Newest Covid19 clinical trials

All recruiting trials (19)

• Investigating olfactory dysfunction after COVID-19 infection

  This study is trying to understand why some people still have trouble smelling after recovering from COVID-19 by looking at samples from their noses.

  Recruiting at 6 sites Universitaire Ziekenhuizen KU Leuven · Brussels, Brussels Capital and 6 other locations · NCT06482138

• Registry to evaluate pregnancy outcomes in women treated for COVID-19

  This study is trying to see how treatments for COVID-19, like certain medications, affect the health of pregnant women and their babies.

  Recruiting Pregistry · Los Angeles, California · NCT05013632

• Collecting COVID-19 virus secretions and serum for developing treatments

  This study is collecting samples from people with COVID-19 to learn more about how the virus behaves and how it affects recovery, with the goal of improving treatments for those at higher risk.

  Recruiting at 2 sites Tulane University · New Orleans, Louisiana and 1 other locations · NCT04956445

• Using donor-derived T cells to treat mild to moderate COVID-19

  This study is testing whether T cells from family members who have recovered from COVID-19 can help treat hospitalized patients with mild to moderate COVID-19.

  Recruiting Phase 1/2 New York Medical College · Valhalla, New York and 3 other locations · NCT04896606

• Observational study on the biology of COVID-19 in Saarland

  This study looks at how COVID-19 affects people in different ways, including those with long-term symptoms, to learn more about the disease and its progression.

  Recruiting Universität des Saarlandes · Homburg, Saarland · NCT04837755

• Imaging immune activation in COVID-19 patients

  This study is testing a special imaging technique to see how the immune system is working in people who have recently recovered from COVID-19.

  Recruiting Phase 2 CellSight Technologies, Inc. · San Francisco, California · NCT04815096

• AGILE: an early-phase platform testing treatments for COVID-19

  This project tests several experimental antiviral and immune therapies to see if they are safe and work for adults with confirmed COVID-19.

  Recruiting at 4 sites Phase 1/2 University of Liverpool · Cape Town and 6 other locations · NCT04746183

• Observational study on post-COVID-19 complications

  This study is trying to see what long-term health problems people might have after recovering from COVID-19, focusing on adults aged 18 to 100.

  Recruiting Institut de Recherches Cliniques de Montreal · Montreal, Quebec · NCT04736732

• Comparing immune responses from COVID-19 infection and vaccination

  This study is trying to see how the immune responses from getting COVID-19 and from vaccination compare in healthcare workers and people who have had the virus before.

  Recruiting University of Bergen · Bergen · NCT04706390

• Assessing breathing effort in COVID-19 patients with respiratory failure

  This study is testing how breathing effort in COVID-19 patients with severe respiratory failure changes when they receive non-invasive support to help improve their care.

  Recruiting University of Modena and Reggio Emilia · Modena · NCT04666246

• Using defibrotide to treat severe COVID-19 pneumonia

  This study is testing if the drug defibrotide can safely help hospitalized patients with severe COVID-19 pneumonia who need oxygen support.

  Recruiting Phase 2 Brigham and Women's Hospital · Boston, Massachusetts · NCT04652115

• Hyperbaric oxygen for long COVID cognitive and fatigue symptoms

  This trial will try hyperbaric oxygen therapy versus a sham treatment to see if it helps adults with long COVID who still have thinking problems, memory issues, fatigue, or other lingering symptoms at least three months after infection.

  Recruiting Assaf-Harofeh Medical Center · Tsrifin · NCT04647656

• Understanding heart disease progression in COVID-19 patients

  This study looks at how COVID-19 affects heart disease in hospitalized patients to see what factors might lead to worse outcomes.

  Recruiting University of Bologna · Bologna · NCT04606732

• Development of a quality of life tool for post-COVID-19 patients

  This study is trying to create a new tool to measure how COVID-19 affects the quality of life for people recovering from the virus, including those who were hospitalized and those who weren't.

  Recruiting Medialis Ltd. · Oxford · NCT04586413

• Evaluating vascular aging after COVID-19 infection

  This study is testing how COVID-19 affects blood vessel health and aging in adults by checking their heart and blood vessel function six and twelve months after infection.

  Recruiting at 3 sites Assistance Publique - Hôpitaux de Paris · Nancy and 2 other locations · NCT04558450

• Registry for COVID-19 survivors to assess lung and heart health

  This study is trying to see how COVID-19 affects the lungs and heart in people who have recovered from the virus, while also looking at their mental health and quality of life.

  Recruiting NYU Langone Health · New York, New York · NCT04527315

• Impact of COVID-19 on surgical patients

  This study looks at how having COVID-19 affects the recovery and hospital stay of patients who are having surgery compared to those who don’t have the virus.

  Recruiting Karolinska Institutet · Stockholm · NCT04525716

• Using rhDNase to reduce mortality in COVID-19 patients with respiratory failure

  This study is testing if a new inhaled treatment called rhDNase can help reduce the risk of death in adults with severe COVID-19 who need extra oxygen or a ventilator.

  Recruiting Phase 2 University of South Alabama · Mobile, Alabama · NCT04445285

• Evaluating the impact of influenza vaccination and certain medications on COVID-19 outcomes

  This study is trying to see if getting the flu vaccine or taking certain medications helps people in the hospital recover better from COVID-19.

  Recruiting Consorci Sanitari de Terrassa · Terrassa, Barcelona · NCT04367883

NIH-funded research (17)

Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.

• Remotely Monitored HIIT After COVID-19 ICU Stay

  A home-based, high-intensity interval training program guided by wearable tech to help adults recover physical function after severe COVID-19 illness.

  NIH research Duke University · Durham, United States · NIH-11377206

• Understanding why some people lose their sense of smell after COVID-19 and how to help them recover

  Researchers are studying why persistent smell loss after COVID-19 happens and what treatments could help restore the sense of smell.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-11355636

• Developing new solutions for COVID-19 through commercialization efforts

  This study is all about developing new tools and ideas to help tackle the challenges of COVID-19, making sure they get to the people who need them, so patients can benefit from better treatments and prevention methods.

  NIH research Venturewell · Hadley, United States · NIH-11220944

• COVID-19, Mental Health, and Tribal College Students

  A study to understand how the pandemic affected mental health and wellbeing among AIAN students at Tribal Colleges and Universities and to learn culturally relevant ways to support them.

  NIH research University of Washington · Seattle, United States · NIH-11218543

• Monitoring COVID-19 immune responses in patients with blood cancers

  This study looks at how well COVID-19 vaccines work in people with blood cancers or autoimmune diseases compared to healthy individuals, using skin samples and blood tests to better understand their immune responses, which could lead to more personalized treatments and vaccines for those with these conditions.

  NIH research Yale University · New Haven, United States · NIH-11160167

• Understanding persistent smell and taste loss after COVID-19

  This research aims to understand why some people continue to lose their sense of smell and taste long after recovering from COVID-19.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-11128832

• Developing an inhaled treatment for COVID-19 and similar infections

  This study is testing a new inhaled treatment for COVID-19 that uses special antibodies to help trap and remove the virus from your airways, making it easier for you to use at home and potentially keeping you out of the hospital.

  NIH research Inhalon Biopharma, INC. · Morrisville, UNITED STATES · NIH-11046650

• Understanding how COVID-19 affects the sense of smell

  This study is looking into why some people still can’t smell or taste well after recovering from COVID-19, and it aims to find new ways to help those who are experiencing these frustrating symptoms.

  NIH research Brigham and Women's Hospital · Boston, United States · NIH-10978693

• Home Exercise with Smartwatch Support for COVID-19 Recovery

  This project helps people who were very sick with COVID-19 recover their strength and balance at home using a special exercise program and a smartwatch.

  NIH research Duke University · Durham, United States · NIH-10919804

• Understanding heart complications from COVID-19

  This study is looking at how COVID-19 might cause heart issues like heart attacks and strokes even after people have recovered from the virus, by checking heart tissue from patients to see how the virus affects inflammation and heart health.

  NIH research New York University School of Medicine · New York, United States · NIH-10911267

• Improving maternal health outcomes for Black women after COVID-19

  This study is looking at how combining special safety practices for moms with the support of community doulas can improve care for Black women during pregnancy and after childbirth, aiming to make their experiences better and reduce health issues.

  NIH research Tufts University Boston · Boston, United States · NIH-10898618

• Investigating how COVID-19 affects insulin-producing cells in the pancreas

  This study is looking at how COVID-19 affects the insulin-producing cells in the pancreas, especially in adults, to better understand why some people might develop diabetes after getting the virus.

  NIH research Children's Hospital of Los Angeles · Los Angeles, United States · NIH-10874464

• Understanding blood clots caused by COVID-19 and exploring new treatments

  This study is looking at how COVID-19 might cause blood clots in veins, which can lead to serious problems like strokes, and it's for anyone interested in understanding how the virus affects blood flow and what new treatments might help prevent these issues.

  NIH research Boston University Medical Campus · Boston, United States · NIH-10857160

• New tests to monitor COVID-19 in patients with blood cancers

  This study is looking at new ways to check how well the immune system is responding to COVID-19 in patients with blood cancers, helping doctors understand their condition better and improve their treatment.

  NIH research Yale University · New Haven, United States · NIH-10855033

• Examining how the COVID-19 pandemic has affected Hispanic infant health outcomes.

  This study looks at how the COVID-19 pandemic has affected the health of Hispanic infants, who usually have better birth outcomes, to see if this trend has changed and to find out where support is needed most.

  NIH research Ohio State University · Columbus, UNITED STATES · NIH-10790872

• Using mobile health to support exercise for COVID-19 survivors

  This study is looking at how a special exercise program you can do at home, called high-intensity interval training (HIIT), can help people recovering from severe COVID-19 feel better both physically and mentally, with support from mobile health technology to keep track of your progress safely.

  NIH research Duke University · Durham, United States · NIH-10688052

• New tests to monitor COVID-19 in patients with blood cancers

  This study is looking to create new blood tests that can help doctors keep an eye on how COVID-19 affects patients with blood cancers, so they can better understand their immune responses and improve care for those at higher risk.

  NIH research Yale University · New Haven, United States · NIH-10680624

Related topics

Quick answers

How many Covid19 clinical trials are recruiting right now?

19, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 13 countries. The most sites are in United States (7 trials), Italy (2 trials), Germany (2 trials), United Kingdom (2 trials), Spain (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 2: 3, Phase 1/2: 2. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

Find the studies that fit you

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