Condition

COVID-19 Infection clinical trials and research

• 11Clinical trials
• 5NIH research projects
• 20Countries

Newest COVID-19 Infection clinical trials

All recruiting trials (11)

• Ibuzatrelvir alone or with remdesivir for severely immunocompromised adults with COVID-19

  This will test whether ibuzatrelvir, taken alone or together with remdesivir, helps severely immunocompromised adults who recently developed COVID-19 symptoms.

  Recruiting at 148 sites Phase 3 Pfizer · Canoga Park, California and 158 other locations · NCT07013474

• Next generation inhaled COVID-19 vaccine

  This study is testing a new inhaled COVID-19 vaccine to see if it is safe and can boost the immune response in people who have already had at least three doses of an mRNA COVID vaccine.

  Recruiting at 2 sites Phase 2 McMaster University · Halifax, Nova Scotia and 1 other locations · NCT06381739

• Evaluating COVID-19 immunity and reinfection risk

  This study is testing how well COVID-19 vaccines and previous infections protect medical staff from getting reinfected with the virus over 48 weeks.

  Recruiting Sun Yat-sen University · Guangzhou, Guangdong · NCT05774093

• Understanding the benefits of human milk on infant and child health

  This study is trying to see how breast milk affects the health of babies and children by collecting milk samples and health information from breastfeeding mothers.

  Recruiting University of California, San Diego · San Diego, California · NCT05553743

• Examining how COVID-19 changed pulmonary procedures

  This study looks at how doctors who treat lung conditions changed their procedures and staffing during the COVID-19 pandemic to see what worked best.

  Recruiting M.D. Anderson Cancer Center · Houston, Texas · NCT05022446

• Analyzing immune responses to COVID-19 through sample collection

  This study is testing how the immune system reacts to COVID-19 by collecting samples from people who have had the virus and those who haven't, to see what this means for their health.

  Recruiting National Institutes of Health Clinical Center (CC) · Rockville, Maryland · NCT04582903

• Impact of COVID-19 on young cancer patients and survivors

  This study is trying to see how the COVID-19 pandemic has affected the mental, physical, and social well-being of young cancer patients and survivors aged 18 to 39.

  Recruiting M.D. Anderson Cancer Center · Houston, Texas · NCT04551378

• Clazakizumab vs placebo for COVID-19 with lung involvement

  This study tests whether clazakizumab can help adults with COVID-19 who have lung involvement, by comparing it to a placebo.

  Recruiting Phase 2 The Methodist Hospital Research Institute · Houston, Texas · NCT04494724

• Evaluating the mental health effects of COVID-19 on MD Anderson employees

  This study looks at how the COVID-19 pandemic has affected the mental health of MD Anderson employees to see what support they might need.

  Recruiting M.D. Anderson Cancer Center · Houston, Texas · NCT04491292

• Impact of COVID-19 on Melanoma Patients' Well-Being

  This study looks at how the COVID-19 pandemic has impacted the mental health and quality of life of people with melanoma.

  Recruiting M.D. Anderson Cancer Center · Houston, Texas · NCT04474301

• Impact of COVID-19 on financial costs for breast cancer surgery patients

  This study looks at how the COVID-19 pandemic has impacted the out-of-pocket costs and financial struggles of breast cancer patients undergoing surgery.

  Recruiting at 4 sites M.D. Anderson Cancer Center · Conroe, Texas and 3 other locations · NCT04169542

NIH-funded research (5)

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.

• How COVID-19 affects thinking, mental health, and social connections in recently housed veterans

  This project looks at whether having COVID-19 leads to lasting problems with memory, mood, and social connection for veterans who were recently homeless.

  NIH research VA Greater Los Angeles Healthcare System · Los Angeles, United States · NIH-11327294

• How COVID infection or vaccination during pregnancy shapes newborn immunity

  This project looks at how getting COVID or a COVID vaccine while pregnant changes a mother's antibodies and a newborn's immune cells.

  NIH research University of California, San Francisco · San Francisco, United States · NIH-11257648

• The lasting effects of COVID-19 on the mental health and social integration of homeless veterans.

  This study is looking at how getting COVID-19 affects the mental health, thinking skills, and social connections of veterans who have recently been homeless, to better understand the challenges they face as they try to rebuild their lives after recovering from the virus.

  NIH research VA Greater Los Angeles Healthcare System · Los Angeles, United States · NIH-11175260

• How maternal health affects newborn immunity to COVID-19

  This study looks at how a mother's COVID-19 infection or vaccination can affect her baby's immune system, helping us understand how antibodies are passed from mom to baby and how this might protect them.

  NIH research University of California, San Francisco · San Francisco, United States · NIH-11005739

• Using advanced data analysis to understand long-term effects of COVID-19.

  This study is looking at how COVID-19 can affect your health in the long run, using data from many patients to find patterns that could help improve care for those dealing with long COVID.

  NIH research University of California Berkeley · Berkeley, United States · NIH-10865395

Related topics

Quick answers

How many COVID-19 Infection clinical trials are recruiting right now?

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

Where are these trials running?

In 20 countries. The most sites are in United States (9 trials), Argentina (1 trial), Belgium (1 trial), Brazil (1 trial), Denmark (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 2: 2, Phase 3: 1. 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.

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