Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 3,968 recruiting studies in this area right now.
By phase
- Not applicable2,549
- Phase 2357
- Phase 4301
- Phase 1287
- Phase 3282
- Phase 1/Phase 2132
- Phase 2/Phase 360
Top conditions
Leading sponsors
- National Institute of Allergy and Infectious Diseases (NIAID)88
- Assistance Publique - Hôpitaux de Paris69
- University of California, San Francisco39
- Johns Hopkins University30
- National Cancer Institute (NCI)28
- Hospices Civils de Lyon27
- Columbia University24
- University of Alabama at Birmingham23
- University of Oxford23
- University of Washington23
Where studies are running
- California233
- Maryland142
- Alabama93
- New York73
- Florida72
- Texas62
- Massachusetts57
- Arizona48
- Pennsylvania43
- Illinois41
Recruiting studies3,968 total
- 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 - NCT03418441Recruiting
Study infections of the brain and spinal fluid in Denmark
This trial focuses on people in Denmark who may have an infection in the brain or the fluid around the brain and spinal cord. Researchers aim to collect and compare diagnostic results for different infection types (viral meningitis, bacterial meningitis, encephalitis, and others) to help confirm the cause and guide care.
AalborgAges 18 years+ - NCT06392815Recruiting
PET scan for Lyme neuroborreliosis diagnosis
This trial tests whether a special PET scan (64Cu-DOTATATE) can help diagnose Lyme neuroborreliosis (LNB), an infection of the nervous system caused by Lyme disease. The study aims to see if this scan can detect the infection earlier or more accurately than current methods.
Copenhagen, Capital RegionAges 18–90 - NCT07852091RecruitingPhase 2
Combination therapy aiming for a functional cure for chronic hepatitis B
This study tests a new combination of medicines to help your immune system control the hepatitis B virus, with the goal of stopping the need for long-term treatment. It may be an option for people who have taken or are currently taking hepatitis B medications.
Chongqing, Chongqing MunicipalityAges 18–60 - NCT07851857RecruitingPhase 3
Short course of antibiotics after head and neck cancer surgery
This trial tests whether giving antibiotics for one day after head and neck surgery works just as well as giving them for longer to prevent infections. It might help you have a smoother recovery with fewer side effects from antibiotics.
São Paulo, São PauloAges 18 years+ - NCT07851246RecruitingPhase 3
Flu vaccine study for adults 18 to 64
This study tests a new flu vaccine to see how well it protects adults aged 18 to 64. If you join, you'll get the vaccine and have some check-ups to see how your body responds.
Glendale, ArizonaAges 18–64 - NCT06326294Recruiting
Comparing two treatments to reduce cervical cancer risk in women with HIV
This study compares two treatments (Thermal Ablation and LEEP) to lower the risk of cervical cancer in women living with HIV. It aims to find which option works better and is safer for this group.
MaputoAges 25–49 - NCT05897879Recruiting
Study how pertussis germs and immune response affect severity
This study looks at children with suspected pertussis (who need a PCR test) and compares how the bacteria and the immune response relate to how sick they become. It may help doctors understand why some children have worse symptoms and guide future care.
BordeauxAges Up to 15 years - NCT06427317Recruiting
Antibiotic effectiveness study in infection patients
This study looks at how well beta-lactam antibiotics (a common type of antibiotic) work in people being treated for infections at Imperial College NHS Trust. The information may help doctors make better dosing decisions.
LondonAges 18 years+ - NCT05597540RecruitingPhase 3
Shorter antibiotics for kidney transplant kidney infections
This study compares giving antibiotics for 7 days versus 14 days to treat acute kidney infections (pyelonephritis) in people with kidney transplants. It aims to see if the shorter course works just as well and is safer or easier to complete.
BordeauxAges 18 years+ - NCT05310591RecruitingPhase 1/Phase 2
Study anti-PD1 treatment with Kymriah re-dosing for leukemia
This Phase 1/2 trial studies giving an anti-PD1 antibody (like pembrolizumab or nivolumab) along with a second Kymriah (tisagenlecleucel) infusion in children and young adults whose B-cell leukemia is coming back or their Kymriah effect has faded. It may help the new immune treatment work better after the first Kymriah.
BordeauxAges 1–25 - NCT05758532RecruitingPhase 4
Modified measles vaccine schedule to help prevent allergies in babies
This study tests whether changing the measles vaccine timing in 6-month-old children can reduce allergy risk and also help protect against unrelated infections. If your child is already up to date with routine vaccines, they may be eligible for a modified measles (MMR) schedule used in the trial.
GenevaAges 6 months–6 months - NCT05630443Recruiting
Prone position after major abdominal cancer surgery
This study looks at whether placing you in a face-down (prone) position after major abdominal cancer surgery can improve recovery. You may be offered this positioning approach after your operation if it’s safe for you.
GothenburgAges Any age - NCT07842991RecruitingPhase 3
A toothpaste for reducing plaque and improving gum health
This study tests a new toothpaste designed to reduce dental plaque (the sticky film on teeth) and help prevent gum problems like bleeding or swelling. If you have mild gum issues, you may be able to join and use the toothpaste for six months.
Roma, RomeAges 18–70 - NCT07849491Enrolling by invitation
Pharmacist-led antibiotic review for respiratory infections
This study tests whether a pharmacist-led deprescribing strategy—carefully reviewing and possibly reducing or stopping antibiotics that may not be needed—can improve safety and outcomes in patients with respiratory infections taking azithromycin.
Islamabad, IslamabadAges 18–65 - NCT07847346Recruiting
Study of blood vessel and graft infections in China
This study collects information from people who have or might have infections in their blood vessels or in artificial tubes (grafts) placed in their blood vessels. The study will look at how these infections are treated and what outcomes patients have, to help improve future care.
ShanghaiAges 18 years+ - NCT07848165Recruiting
Probiotics to prevent pneumonia in children on breathing machines
This trial tests whether giving probiotics (good bacteria) can help prevent pneumonia in children who are on a breathing machine in the intensive care unit. If your child is on a ventilator, these friendly bacteria might help keep their lungs healthy.
Tanta, Al GharbiaAges 1 month–18 years - NCT07849907Recruiting
Parasite infection beliefs study
This study looks at people who strongly believe they have a parasite or infection even when doctors say they don't. It aims to understand these beliefs and may help find better ways to support people.
Nashville, TennesseeAges 18–70 - NCT07843277Recruiting
Improving sepsis care in Indonesian emergency rooms
This study tests whether a special medical chart helps doctors spot sepsis earlier and reduce deaths in Indonesian hospitals. If you or your loved one are diagnosed with sepsis in the emergency department, this could improve care and outcomes.
Jakarta Pusat, DKI JakartaAges 18 years+ - NCT07850128Recruiting
Cervical cancer risk after HPV detection
This study looks at women in the Stockholm area who tested positive for HPV (a virus linked to cervical cancer) to see if and how often cervical cancer develops. It aims to understand the risk better, which could improve screening and prevention.
StockholmAges 22–70 - NCT07846241Recruiting
Sexual behavior and risk of infections in young adults
This study looks at how young adults' sexual behavior and risk perception relate to getting sexually transmitted infections (STIs). By participating, you'll help researchers better understand how to prevent STIs in people your age.
BarcelonaAges 18–25 - NCT07846423Recruiting
Rapid flu testing for fever and respiratory illness
This study tests a fast, point-of-care test to detect the flu in adults who have fever and respiratory symptoms. The goal is to see if this quick test can help doctors diagnose and treat flu more effectively.
TaichungAges 20 years+ - NCT07848269Recruiting
Preventing infections after hip, knee, or shoulder surgery
This study tests ways to prevent infections after major hip, knee, or shoulder surgery. If you have a serious medical condition that needs monitoring, this trial may help reduce your risk of infection after your operation.
MilanAges 18 years+ - NCT07845058RecruitingPhase 2
Combination therapy for a functional cure of chronic hepatitis B
This trial tests a new combination of medicines to help your body control the hepatitis B virus without needing lifelong treatment. It aims for a 'functional cure,' which means the virus stays inactive and your liver stays healthy.
Chongqing, Chongqing MunicipalityAges 18–60
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 3,968 recruiting infectious disease studies from the U.S. registry right now, out of 6,521 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.