Condition

Respiratory Tract Infections clinical trials and research

• 15Clinical trials
• 8NIH research projects
• 12Countries

Newest Respiratory Tract Infections clinical trials

All recruiting trials (15)

• Baloxavir for preventing flu after exposure in household contacts

  A single dose of baloxavir marboxil is being tested to see if it prevents symptomatic, lab-confirmed influenza in people who live with someone who has flu symptoms.

  Recruiting at 8 sites Phase 3 Hoffmann-La Roche · Guangzhou, Guangdong and 7 other locations · NCT07827599

• Stop antibiotics early when symptoms stop in kids after IV treatment

  This trial tests whether stopping oral antibiotics as soon as symptoms disappear is just as effective as finishing the prescribed course for kids who had IV antibiotics for cellulitis, UTI, LRTI, or lymphadenitis.

  Recruiting Phase 4 Murdoch Childrens Research Institute · Melbourne, Victoria · NCT07532941

• Testing single and multiple IV doses of JKN2501 in healthy Chinese adults

  This test gives single and multiple intravenous doses of JKN2501 to healthy Chinese adults to see if it's safe and how the body processes it.

  Recruiting Phase 1 Joincare Pharmaceutical Group Industry Co., Ltd · Changsha, Hunan · NCT07207291

• Families' views on antibiotic length and using a smartwatch to track children's symptoms

  We will see if families are comfortable with shorter antibiotic courses and if a Garmin smartwatch can help track symptoms in children aged 4–17 with uncomplicated infections.

  Recruiting Murdoch Childrens Research Institute · Melbourne, Victoria · NCT07093749

• Comparing intravenous and oral antibiotics for acute infections

  This study tests if oral antibiotics can work just as well as intravenous ones for people in the hospital with acute infections to see if they can shorten hospital stays and lower risks.

  Recruiting at 4 sites University of Southern Denmark · Aabenraa, Southern Denmark and 6 other locations · NCT06715306

• Vitamin D supplementation during pregnancy to prevent early childhood asthma

  This study is testing if giving high-dose vitamin D to pregnant women can help prevent asthma and wheezing in their children by the time they reach three years old.

  Recruiting Phase 3 Copenhagen Studies on Asthma in Childhood · Gentofte Municipality · NCT06570889

• Fish oil supplementation during pregnancy to prevent asthma in children

  This study is testing if taking high-dose fish oil during pregnancy can help reduce the chances of children developing asthma and breathing problems.

  Recruiting Phase 3 Copenhagen Studies on Asthma in Childhood · Gentofte Municipality · NCT06560255

• Benefits of Osteopathic Manual Therapy for Patients with Respiratory Illness

  This study is testing if adding Osteopathic Manual Therapy to standard care can help older patients with respiratory illnesses like pneumonia and bronchitis feel better faster.

  Recruiting Geisinger Clinic · Bloomsburg, Pennsylvania · NCT06495021

• Using prednisolone to treat respiratory tract infections in hospitalized adults

  This study is testing if giving prednisolone to hospitalized adults with moderate to severe respiratory infections can help them recover better and avoid serious complications.

  Recruiting Phase 3 The University of Hong Kong · Hong Kong · NCT06472219

• Using sequencing to predict outcomes of pneumonia in ventilated patients

  This study is testing if analyzing germs in the lungs of patients on ventilators can help predict how well they will recover from pneumonia.

  Recruiting The First Affiliated Hospital with Nanjing Medical University · Nanjing, Jiangsu · NCT06467864

• A test to differentiate between bacterial and viral infections in emergency patients

  This study is testing a new blood test to see if it can help doctors tell the difference between bacterial and viral infections in adults with respiratory illnesses in the emergency room.

  Recruiting The University of Texas Health Science Center, Houston · Houston, Texas · NCT06070688

• Modified measles vaccination schedule to prevent allergies and infections in children

  This study is testing a new timing for the measles vaccine in kids to see if it can help prevent allergies and infections better than the usual schedule.

  Recruiting Phase 4 Pediatric Clinical Research Platform · Geneva · NCT05758532

• New technology for identifying respiratory viruses

  This study is testing a new technology that quickly identifies different respiratory viruses from throat swabs to see if it can help doctors manage infections better.

  Recruiting Portsmouth Hospitals NHS Trust · Portsmouth, Hampshire · NCT05661032

• Stopping antibiotics for viral respiratory infections

  This study is testing if hospitalized adults with viral respiratory infections can safely stop taking antibiotics without affecting their recovery compared to those who keep taking them.

  Recruiting at 8 sites Phase 4 University Hospital, Akershus · Bergen and 11 other locations · NCT05045612

• Using fosfomycin to treat severely infected patients

  This study is testing if an intravenous antibiotic called fosfomycin can safely help people with serious infections like osteomyelitis and bacterial meningitis feel better.

  Recruiting at 45 sites Infectopharm Arzneimittel GmbH · Hall in Tirol and 49 other locations · NCT02979951

NIH-funded research (8)

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.

• Enhanced primary care telemedicine for kids with lung and airway infections

  A pediatric-focused telemedicine program is being studied to reduce unnecessary antibiotic use for common respiratory infections in children.

  NIH research University of Pittsburgh at Pittsburgh · Pittsburgh, United States · NIH-11425567

• Understanding how vaccines work in real life against flu and COVID-19

  A real-world study at a major university hospital will track how well flu and COVID-19 vaccines protect ambulatory patients who have respiratory infections.

  NIH research Washington University · Saint Louis, United States · NIH-11381364

• How flu and COVID-19 vaccines protect people seen in outpatient clinics

  This project measures how well influenza and COVID-19 vaccines protect people who come to outpatient clinics with respiratory symptoms.

  NIH research Washington University · Saint Louis, United States · NIH-11136212

• Using telemedicine to improve antibiotic prescribing for respiratory infections

  This study is looking at how virtual doctor visits can help people with respiratory infections get the right treatment and avoid unnecessary antibiotics, making it easier for everyone to stay healthy.

  NIH research Boston Medical Center · Boston, United States · NIH-11086593

• Understanding infections in children with tracheostomies

  This study is looking at what causes respiratory infections in children with tracheostomies, so we can better understand which kids might get sick more often and help them stay healthier.

  NIH research Johns Hopkins University · Baltimore, United States · NIH-11031347

• Understanding how certain immune cells affect severe viral lung infections in children

  This study is looking at how certain immune cells in kids with severe viral lung infections might be making it harder for their bodies to fight off the illness, with the hope of finding new ways to help them recover better.

  NIH research Research Inst Nationwide Children's Hosp · Columbus, United States · NIH-10984694

• Understanding how well vaccines work against respiratory viruses in real-world settings

  This study is looking at how well flu and COVID-19 vaccines work for people with respiratory infections, and it’s for anyone who wants to understand more about vaccine protection in real-life situations.

  NIH research Washington University · Saint Louis, United States · NIH-10909767

• The impact of paid family leave on respiratory infections in infants

  This study looks at whether having paid family leave helps new moms take more time off work and if that can lower the chances of their babies getting serious respiratory infections, like bronchiolitis and pneumonia, by comparing New York, where this policy is in place, to other nearby states without it.

  NIH research University of Southern Maine · Portland, United States · NIH-10709908

Related topics

Quick answers

How many Respiratory Tract Infections clinical trials are recruiting right now?

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

Where are these trials running?

In 12 countries. The most sites are in Denmark (3 trials), China (3 trials), Australia (2 trials), United Kingdom (2 trials), United States (2 trials). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 3: 4, Phase 4: 3, Phase 1: 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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