Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 4,175 recruiting studies in this area right now.
By phase
- Not applicable2,710
- Phase 2360
- Phase 4321
- Phase 1291
- Phase 3288
- Phase 1/Phase 2141
- Phase 2/Phase 364
Top conditions
Leading sponsors
- National Institute of Allergy and Infectious Diseases (NIAID)89
- Assistance Publique - Hôpitaux de Paris80
- University of California, San Francisco44
- Johns Hopkins University32
- Hospices Civils de Lyon30
- National Cancer Institute (NCI)28
- University of Washington27
- University Hospital, Strasbourg, France26
- Columbia University23
- University of Alabama at Birmingham23
Where studies are running
- California236
- Maryland147
- Alabama89
- New York76
- Florida74
- Texas61
- Massachusetts56
- Arizona46
- Pennsylvania45
- Illinois42
Recruiting studies4,175 total
- NCT06095297Recruiting
Cognitive rehab for brain fog from long COVID
This study tests a computer-based cognitive training program combined with a gentle nerve stimulation device to see if it can improve brain fog and daily functioning in people with long COVID. If you're struggling with thinking, memory, or concentration after COVID, this might help.
Birmingham, AlabamaAges 18 years+ - NCT06100211Recruiting
HIV, gut health, and switching HIV meds study
This study looks at how changing your HIV medication affects the bacteria in your gut. You'll provide two stool samples so researchers can see what changes happen.
Manchester, Greater ManchesterAges 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+ - NCT06100614Recruiting
Using a blood test to reduce antibiotics in preterm newborns
This study checks if a blood test (presepsin) can help doctors safely stop antibiotics earlier in preterm babies at moderate risk of infection. The goal is to reduce unnecessary antibiotic use.
Amsterdam, North HollandAges Any age - NCT06102070Recruiting
Genetic study of severe infections
This study looks for genetic reasons why some people get very serious infections. If you or a family member has had a rare, severe infection, researchers will analyze your DNA to find genes that might make you more vulnerable.
Paris, Île-de-France RegionAges Any age - NCT06103500Recruiting
Helping choose the right antibiotic for sepsis
This trial tests a computer tool to help doctors choose the right antibiotic for sepsis early on. It may help improve treatment by providing personalized recommendations based on your condition.
Mississauga, OntarioAges 18 years+ - NCT06103370Recruiting
HIV prevention via telemedicine and peer networks
This study tests how well a program combining telemedicine (virtual doctor visits) and peer support can help prevent HIV among people who inject drugs. You'd get trained, attend weekly group sessions, and invite a friend or partner to also take part.
Baltimore, MarylandAges 18 years+ - NCT06103331Recruiting
Fungus infection study in Bangladesh hospitals
This study looks for fungal infections in hospitalized patients. It aims to understand how common serious fungal infections are, especially in people with weakened immune systems or certain medical conditions.
DhakaAges birth+ - NCT06105411Recruiting
PET scan for fungal infections
This trial tests a new PET scan that uses a special marker to see if you have an invasive fungal infection. It may help doctors better diagnose and treat these infections.
Melbourne, VictoriaAges 18 years+ - NCT06106698Recruiting
Washed microbiota transplant for C. diff infection
This trial tests a treatment called washed microbiota transplantation (WMT) for people with a C. diff infection that causes diarrhea. WMT uses processed donor bacteria to help restore healthy gut balance and fight the infection.
Nanjing, JiangsuAges 3–100 - NCT06108648RecruitingPhase 4
Lavender essential oil wraps for babies with bronchiolitis
This study tests whether lavender essential oil chest wraps help babies hospitalized with bronchiolitis breathe easier and recover faster. If effective, it could offer a natural way to soothe breathing difficulties.
FribourgAges Up to 11 months - NCT06109142Recruiting
Testing a special filter to clean blood in shock and kidney failure
This trial is testing a special blood filter (oXiris) to see if it helps remove harmful substances from the blood of people in the intensive care unit with shock and kidney failure. It may help improve blood pressure and reduce the need for strong medicines.
GarchesAges 6 years+ - NCT06113861Recruiting
Better TB testing for kids in Bolivia
This trial tests new ways to diagnose tuberculosis (TB) in children with breathing problems. It aims to make TB detection faster and more accurate for kids who might have the infection.
Santa CruzAges 2 months–14 years - NCT06114706Recruiting
Better assessment of sore throat and antibiotic use
This study tests a new way to assess sore throats in primary care and pharmacies to help decide when antibiotics are needed. It aims to improve treatment and reduce unnecessary antibiotic use.
StenungsundAges 6 years+ - NCT06114628RecruitingPhase 2
Finding the best treatment for lung TB (PARADIGM4TB)
This study tests different ways to treat active lung TB that is not resistant to rifampicin. It aims to find the best treatment duration and combination to cure TB and prevent it from coming back.
ChisinauAges 18 years+ - NCT07476339RecruitingPhase 4
Returning to HIV Care with Biktarvy
This trial tests the medication Biktarvy (bictegravir, emtricitabine, and tenofovir alafenamide) for people with HIV who have stopped taking their antiretroviral therapy (ART) for at least 12 weeks and are ready to restart treatment. It aims to see how well the medication works when restarting care.
Clearwater, FloridaAges 18 years+ - NCT06114784Recruiting
Study of microbiome and severe pneumonia with breathing support
This study looks at how bacteria in your body (microbiome) affect how sick you get from severe pneumonia. It may help doctors find better ways to treat people with serious lung infections who need breathing support.
Hangzhou, ZhejiangAges 18 years+ - NCT06114888Recruiting
New diagnostic tests for children hospitalized with pneumonia
This study tests new ways to diagnose pneumonia in children who are hospitalized. It aims to find the best methods to quickly identify the cause of pneumonia, so your child can get the right treatment sooner.
Hamilton, OntarioAges 6 months–18 years - NCT06115122Recruiting
PEPPI Study: Finding early signs of placental problems in pregnancy
This study looks at blood markers to find women at risk for placental problems during pregnancy. It involves blood tests in early and late pregnancy, and at birth, to see how iron levels and other factors affect the placenta and baby's health.
OuluAges Any age - NCT06117163Recruiting
Mental health care for pregnant women with HIV in Kenya
This study tests a program that provides integrated mental health care for pregnant women living with HIV in Kenya. The goal is to improve both mental health and HIV treatment outcomes during pregnancy.
NairobiAges 15 years+ - NCT06119256RecruitingPhase 1
TCR-T cells for EBV after stem cell transplant
This trial tests a new treatment using specially trained immune cells (TCR-T cells) to fight Epstein-Barr virus (EBV) infections that can occur after a stem cell transplant for blood cancer. It may help control the virus and prevent complications.
Beijing, Beijing MunicipalityAges 14–75 - NCT06122077Recruiting
Blood test for early lung cancer detection in smokers
This trial tests a blood test that looks for multiple signals to find lung cancer early. If you are a smoker or former smoker over 50, this test might help detect cancer before you have symptoms.
Los Angeles, CaliforniaAges 50 years+ - NCT06122285Recruiting
Bulevirtide for chronic hepatitis delta
This study tests a daily shot of Bulevirtide for people with long-term hepatitis delta and early-stage cirrhosis. It aims to see if the medicine is safe and works well.
Milan, MIAges 18 years+ - NCT06122805Recruiting
Electric vs. Manual Toothbrush for Kids with Cleft Lip/Palate
This study compares a special dual-light electric toothbrush to a regular manual toothbrush for kids and teens with cleft lip or palate who wear braces. The goal is to see which brush keeps teeth cleaner and gums healthier during orthodontic treatment and after oral surgery.
Los Angeles, CaliforniaAges 6–20
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 4,175 recruiting infectious disease studies from the U.S. registry right now, out of 7,094 we cover in this area in total.
- What does “Infections” cover here?
- Bacterial, viral, and other infections — from common illnesses to emerging threats. We group each study into infections based on the conditions it studies, so you can scan the whole therapeutic area at once and drill into a specific condition.
- How do I find a infections trial near me?
- Use the search to filter infections studies by location and eligibility. Every Clin2 trial page explains the criteria in plain English and offers a short, optional pre-screen for a fit read — the study team makes the final decision.
Other specialties
- Cancer
- Brain & nervous system
- Heart & circulation
- Hormones & metabolism
- Mental health
- Digestive system
- Lungs & breathing
- Immune system & allergy
- Women’s health & pregnancy
- Skin
- Blood & lymphatic
- Kidney & urinary
- Genetic & congenital
- Bones, joints & muscles
- Pain
- Injuries & trauma
- Mouth & dental
- Eyes & vision
- Ear, nose & throat
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov; specialty groupings are derived from each study’s conditions. Talk with your doctor about whether a specific trial is right for you.