Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 3,967 recruiting studies in this area right now.
By phase
- Not applicable2,544
- Phase 2357
- Phase 4303
- Phase 1288
- Phase 3283
- Phase 1/Phase 2133
- Phase 2/Phase 359
Top conditions
Leading sponsors
- National Institute of Allergy and Infectious Diseases (NIAID)89
- 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 Oxford23
- University of Washington23
- University of Alabama at Birmingham22
Where studies are running
- California234
- Maryland142
- Alabama92
- New York73
- Florida72
- Texas62
- Massachusetts57
- Arizona48
- Pennsylvania43
- Illinois41
Recruiting studies3,967 total
- NCT03717623RecruitingPhase 4
Study blood levels of posaconazole in adults
This study looks at how much posaconazole stays in your body while you receive it to prevent fungal infections during chemotherapy or after a stem cell transplant. Your care team will use standard posaconazole treatment and may take extra blood samples to understand its levels.
Parkville, VictoriaAges 18 years+ - NCT06174922RecruitingPhase 3
Comparing steroid, antifungal, or both for ABPA
This trial compares three treatments for ABPA: a steroid (prednisolone), an antifungal (itraconazole), or both together. It aims to find which works best for controlling symptoms and preventing flare-ups.
Chandigarh, ChandigarhAges 18 years+ - NCT04878549Recruiting
Testing blood-sample patterns to identify the cause of fever
This study looks at changes in blood to figure out what infection is causing a person’s fever (or, for some participants, to compare with people without fever). It may help doctors learn faster ways to identify infections and target the right treatment.
VelloreAges 2–65 - NCT05017766Recruiting
Study for infections from antibiotic-resistant bacteria
This study looks at new ways to fight antibiotic-resistant bacteria in people with certain common infections. It may help by testing approaches tailored to the specific germs found in your urine, lungs, or deeper infections.
BaselAges 18 years+ - NCT07347938Recruiting
Tetanus prevention after injury: study of siltartoxatug
This study compares a new tetanus shot (siltartoxatug) with standard tetanus treatments to see if it works as well. It is for people aged 18 and older who need tetanus protection after an injury.
Hangzhou, ZhejiangAges 18 years+ - NCT07348692RecruitingPhase 3
Pneumonia vaccine study for healthy infants 2 months old
This study tests a new vaccine that protects against 21 types of bacteria that cause pneumonia and other infections. It is for healthy infants around 2 months old to see if it works as well as the current vaccine.
Fayetteville, ArkansasAges 1 month–3 months - NCT07347002Enrolling by invitation
Observational study of chikungunya vaccine effectiveness in Brazil
This study looks at how well the VLA1553 vaccine prevents chikungunya disease in parts of Brazil where the vaccine is being offered as part of a pilot program. If you live in one of those areas and have had symptoms that might be chikungunya, this study will use your health records and blood tests to check how effective the vaccine is.
Belo Horizonte, Minas GeraisAges 18–59 - NCT07348302RecruitingPhase 3
Allergy tablet for dust mite rhinitis and asthma
This trial tests an under-the-tongue tablet for people with dust mite allergies causing moderate to severe nasal symptoms or mild-to-moderate asthma. The goal is to see if it improves symptoms and can replace or reduce the need for allergy medicines.
Nueve de Julio, Buenos AiresAges 12–65 - NCT07350785Recruiting
Predicting outcomes after hip fracture using MDW
This trial checks if a blood test called MDW (monocyte distribution width) can help predict complications and recovery in older adults after a hip fracture.
Kifissia, AtticaAges 65 years+ - NCT07345286Recruiting
Studying fever illness care in DRC
This study is looking at how to better care for people with fever in the Democratic Republic of the Congo. If you have a fever now or very recently, you may be able to join and help doctors learn more about it.
KinshasaAges 2 months+ - NCT07345923Recruiting
Rectal swab test to predict resistant infections in ICU
This study looks at whether a simple rectal swab test can help predict the risk of developing infections that are resistant to common antibiotics. It focuses on patients in the intensive care unit (ICU) who have already had this swab done as part of their care.
StrasbourgAges 18 years+ - NCT07348679Recruiting
Cigarette filter study for adult smokers
This study tests how different cigarette filters work in smokers who are not trying to quit. You must smoke at least 5 non-menthol cigarettes daily and not use Natural American Spirit or menthol brands.
New Brunswick, New JerseyAges 21 years+ - NCT07345169Recruiting
Immune and inflammation study in ICU patients
This study looks at how your immune system and inflammation affect your recovery in the intensive care unit. Researchers want to understand why some patients do better than others.
ParisAges 18 years+ - NCT07346742Recruiting
Preventing infection in children's groin surgery
This study tests whether giving antibiotics through a vein and using special stitches that fight germs can help prevent infections after open groin surgery in children. It may be helpful for children having routine groin surgery as a day procedure.
Ile-Ife, Osun StateAges Up to 15 years - NCT07345910Recruiting
Melioidosis Study: Environment, Germs, and Body Defenses
This study looks at how environment, germs, and the body's defenses interact in people with melioidosis, a serious infection. Researchers want to compare patients with healthy volunteers and people living in sandbox areas to understand the disease better.
Siem ReapAges 20 years+ - NCT07348289Recruiting
Using PIVO for blood cultures in the ER
This trial tests a device called PIVO that may make it easier and less painful to draw blood for blood cultures in the emergency room. It's for anyone in the ER who needs this test.
Park City, UtahAges Any age - NCT07345325RecruitingPhase 3
Comparing antibiotic treatments for heart valve infections
This trial tests whether a treatment without rifampin works as well as one with rifampin for a type of heart valve infection caused by staph bacteria. It aims to find a simpler and safer option for patients with an infected artificial heart valve.
Aix-les-BainsAges 18 years+ - NCT07351344Recruiting
African survey on healthcare worker sepsis knowledge
This study uses an anonymous online survey to understand how healthcare workers in seven African countries recognize and manage sepsis. Your answers could help improve sepsis care across the continent.
KumasiAges 18 years+ - NCT07346833Recruiting
MicroRNA in women with toxoplasmosis and mental illness
This study looks at tiny molecules in the blood (called microRNAs) that might help doctors tell the difference between mental health conditions in women who have had a past infection with the parasite Toxoplasma. The goal is to find better ways to diagnose and treat these conditions.
Banhā, El QalyoubiaAges 18–50 - NCT07347015Recruiting
Antibiotic prescribing support for Belgian GP clinics
This trial tests a decision-support tool that helps doctors in Belgian primary care prescribe antibiotics more wisely. If your practice uses a compatible electronic health record system, you may be able to join.
Leuven, Vlaams-BrabantAges Any age - NCT07343856Enrolling by invitation
Long COVID diagnostic test study
This study is testing a new, non-invasive way to diagnose Long COVID using a simple bioelectrical assessment. It might help if you've had COVID-19 and have been dealing with ongoing symptoms for 12 weeks or longer.
TashkentAges 18–75 - NCT07346521Recruiting
Stomach cancer screening during routine colonoscopy
This study looks for early signs of stomach cancer and Barrett's esophagus (a precancerous condition) in people who are already getting a routine colonoscopy. By adding a quick upper endoscopy during the same visit, doctors can check for H. pylori infection and abnormal tissue changes without extra hassle.
ViennaAges 30 years+ - NCT07349758RecruitingPhase 1
Single dose of two PrEP tablets in healthy volunteers
This study tests how taking two tablets of a PrEP medication (F/TAF) at once affects healthy volunteers. It helps us understand the safety and how the body processes the drug.
Baltimore, MarylandAges 18 years+ - NCT07345988Recruiting
Babesiosis study in France
This study looks at cases of babesiosis, a rare tick-borne disease, in France from 2000 to 2024. It aims to understand how the disease affects people.
StrasbourgAges 18 years+
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 3,967 recruiting infectious disease studies from the U.S. registry right now, out of 6,571 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.