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
- NCT06593717Recruiting
Monitoring blood flow in VV-ECMO patients
This study tests how doctors can monitor your blood flow and fluid needs while you are on VV-ECMO. It involves a simple maneuver where your legs are raised to see if your heart needs more fluid.
ViennaAges 18–75 - NCT06597578Recruiting
Registry for pacemaker and ICD lead removal
This trial is a registry that collects information from people who need to have a pacemaker or ICD lead removed. It helps doctors learn more about the procedure and how to improve care.
CologneAges 18 years+ - NCT06597916RecruitingPhase 2
RSV vaccine study for people with weakened immune systems
This study tests how well an RSV vaccine (Arexvy) works in people whose immune systems are weakened by certain cancers, autoimmune diseases, or treatments. It aims to see if the vaccine can protect these vulnerable groups from respiratory infections.
ViennaAges 18 years+ - NCT06598319Recruiting
Pulsed field ablation for chronic rhinitis
This trial tests a new treatment that uses pulsed energy to target a nerve in the back of the nose to help with chronic rhinitis (long-term runny or stuffy nose). It is for people whose symptoms have not been controlled by nasal steroid sprays.
Colorado Springs, ColoradoAges 18–85 - NCT06598397RecruitingPhase 4
Quit smoking help for people with HIV in NYC
This study is testing different ways to help people with HIV quit smoking. It combines medication, coaching, and text messages to find the most affordable and effective support.
New York, New YorkAges 18 years+ - NCT06598475Recruiting
Improving HPV vaccination in Latino teens at health centers
This trial tests a program to help community health centers recommend and boost HPV vaccination rates among Latino adolescents aged 11-12. It aims to support health care providers and staff with education and resources.
Houston, TexasAges 11–17 - NCT06599411Recruiting
Skin biomarkers for inflammatory disease treatment
This study looks for clues in your skin and blood that could predict how well you'll respond to treatments for conditions like eczema, psoriasis, or lupus. It aims to help doctors choose the best therapy for you.
ParisAges 18 years+ - NCT06599658RecruitingPhase 2
COVID-19 booster and flu vaccine timing for people with weak immune systems
This study tests the best timing for a COVID-19 booster and flu shot in people with weakened immune systems, such as organ transplant recipients, people living with HIV, or those with certain autoimmune conditions. It aims to help patients get better protection from both vaccines.
Montreal, QuebecAges 18 years+ - NCT04876131RecruitingPhase 4
Single IV antibiotic dose for complicated UTIs in children
This trial studies whether giving just one dose of an intravenous (IV) antibiotic can safely treat complicated urinary tract infections (UTIs) in children. It aims to see if this shorter approach works as well as standard treatment while still preventing complications.
Adelaide, South AustraliaAges 3 months–18 years - NCT03810196Recruiting
Stem cell addback after transplant to treat viral or fungal infection
This study tests a stem cell “addback” treatment after a specific type of transplant (with certain immune cells removed). It may help the body recover faster and fight serious viral or fungal infections in children and teens.
Philadelphia, PennsylvaniaAges Up to 25 years - NCT07690345Recruiting
Fungal status and outlook in allergic bronchopulmonary aspergillosis
This study looks at how the presence of fungus in lung samples relates to the long-term outlook for people with allergic bronchopulmonary aspergillosis (ABPA). It aims to help doctors better understand the disease and guide treatment.
Jinan, ShandongAges 18 years+ - NCT05519046Recruiting
Test a heart pacing treatment for Chagas-related heart failure
This study looks at a heart treatment called cardiac contractility modulation in people with Chagas heart disease who have moderate symptoms and weak heart pumping. It aims to see whether this therapy improves heart function and related outcomes in the right patients.
São Paulo, São PauloAges 18–75 - NCT07578012RecruitingPhase 4
Ismigen to prevent respiratory infections in children
This study tests whether a medicine called Ismigen can help children who get frequent respiratory infections (like colds, bronchitis, or throat infections) stay healthier. The medicine is made from bacterial components designed to strengthen the immune system.
BialystokAges 3–12 - NCT07613645Recruiting
Lifestyle changes to prevent recurring C. difficile infection
This study tests whether specific lifestyle changes during treatment for C. difficile infection (a serious gut bacteria infection) can help prevent it from coming back. You'll receive standard antibiotic treatment and follow a controlled diet while researchers track your recovery.
Ann Arbor, MichiganAges 18 years+ - NCT07406360RecruitingPhase 3
Combined MMR and chickenpox vaccine booster for children
This study tests a combined vaccine that protects against measles, mumps, rubella, and chickenpox (varicella) in one shot. It's for healthy children who have already had their first dose of chickenpox and MMR vaccines, to see if this booster is safe and works well.
Birmingham, AlabamaAges 1.3 years–6 years - NCT06797986RecruitingPhase 1/Phase 2
Vaccine for HPV-positive head and neck cancer
This trial tests an investigational vaccine called BVAC-E6E7 for head and neck cancer caused by HPV types 16 or 18 that has come back or spread. It is for people who have already tried standard treatments like platinum chemo or immunotherapy, or can't take them.
SeoulAges 19 years+ - NCT07530146RecruitingPhase 3
Sedation Medications for Older ICU Patients on Breathing Machines
This study compares two sedation medications—propofol alone versus propofol combined with ketamine—in older patients in the ICU who are on breathing machines due to infection or lung problems. The goal is to find which combination is safer and works better for keeping patients calm and comfortable.
CairoAges 65 years+ - NCT06600958Recruiting
Study of knee arthritis severity and progression
This study looks at how knee osteoarthritis or other types of knee arthritis progress over time, using blood tests and X-rays. It aims to find markers that could predict whether the disease will get worse, which may help guide treatment decisions.
CréteilAges 18 years+ - NCT06601998Recruiting
Heart health after severe pneumonia
This study looks at how heart health changes in people who have recovered from severe pneumonia, including COVID-19. It compares survivors to healthy people and those with heart risk factors.
AlexandroupoliAges 18 years+ - NCT06603870RecruitingPhase 4
Preventing blood clots in cancer patients with catheter-related clots
This study tests whether a lower dose of the blood thinner apixaban (Eliquis) can safely prevent another blood clot in people with cancer who have a catheter-related clot in their upper arm or neck. It aims to find a balance between preventing clots and reducing bleeding risk.
Ottawa, OntarioAges 18 years+ - NCT06603961Recruiting
Preventing leg swelling after bypass surgery with a special bandage
This trial tests a custom pressure-guided elastic bandage to prevent leg swelling after coronary artery bypass surgery. The bandage is wrapped around the leg where a vein was taken for the bypass.
Bangkok, Bangkok NoiAges 18 years+ - NCT06605118RecruitingPhase 3
Azithromycin to prevent infection in planned C-section
This trial tests whether a single dose of the antibiotic azithromycin before a planned C-section can prevent infections after delivery. It is for pregnant people with a singleton or twins who are not in labor or have not had their water break.
Birmingham, AlabamaAges Any age - NCT06605755Recruiting
Testing a pentavalent vaccine in 2-month-old babies
This trial tests a combined vaccine that protects against five diseases (diphtheria, tetanus, whooping cough, polio, and Hib) in 2-month-old babies who have already received 4 doses. It aims to check the vaccine's safety and how well it builds immunity.
Nanjing, JiangsuAges 1.6 years–1.8 years - NCT06607003RecruitingPhase 1
Testing a malaria infection in healthy adults
This study gives healthy adults who have never had malaria a controlled infection with the parasite that causes malaria, to see if it is safe and if mosquitoes can pick up the parasite from them. It may help develop new ways to prevent malaria.
Bethesda, MarylandAges 18–54
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.