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 applicable2,709
- Phase 2361
- Phase 4321
- Phase 1292
- Phase 3286
- Phase 1/Phase 2141
- Phase 2/Phase 365
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
- California237
- Maryland147
- Alabama89
- New York77
- Florida74
- Texas61
- Massachusetts56
- Arizona46
- Pennsylvania45
- Illinois42
Recruiting studies4,175 total
- NCT06045429RecruitingPhase 4
Mouth rinse for ICU patients on breathing machines
This trial tests if using a special mouthwash (3% hydrogen peroxide) can reduce bacteria in the lungs of ICU patients on breathing machines. It may help prevent infections in people who are already very sick.
PragueAges 18 years+ - NCT06047093Recruiting
Study of Hepatitis B Virus in the Liver
This study collects a small sample of liver cells to understand how hepatitis B virus behaves in the liver and how the immune system responds. This could help improve future treatments for chronic hepatitis B.
LyonAges 18 years+ - NCT06050148RecruitingPhase 2/Phase 3
Fecal Transplant to Prevent Repeat Urinary Tract Infections
This trial tests whether a fecal microbiota transplant (a procedure that transfers healthy bacteria from a donor's stool into your gut) can help prevent repeat urinary tract infections in women who have frequent infections.
HelsinkiAges 18–90 - NCT06051045Recruiting
Bulevirtide for chronic hepatitis B and D
This study tests a drug called bulevirtide for people with chronic hepatitis B and D co-infection. It aims to see if the drug is safe and effective, and to study biomarkers that may help predict how well it works.
StockholmAges 18 years+ - NCT06051513Recruiting
Testing colistimethate for CRE infection in hospitalized patients
This trial tests a medicine called colistimethate sodium for people in the hospital with a serious infection (pneumonia or bloodstream infection) caused by a resistant bacteria called CRE. The goal is to see if this antibiotic can effectively treat the infection.
Hefei, AnhuiAges 18–85 - NCT06052033Recruiting
Light therapy vs. laser for persistent cervical changes with HPV
This study compares two treatments—photodynamic therapy using a special light-activated cream and a CO2 laser—to see which works better for clearing low-grade cervical changes caused by a long-lasting high-risk HPV infection. The goal is to find a safe, effective option for women who have had this condition for over a year.
Wenzhou, ZhejiangAges 18–65 - NCT06052436RecruitingPhase 1/Phase 2
Treg cell therapy for COVID-19 and acute respiratory distress
This trial tests a new cell therapy using Treg cells from thymic tissue to calm an overactive immune response in severe COVID-19 and ARDS. It aims to improve breathing and reduce inflammation.
Madrid, MadridAges 18–65 - NCT06053684Recruiting
Comparing two breathing machines for babies with bronchiolitis
This study tests if a new type of breathing machine (NAVA) works better than the standard machine for babies under 2 with severe bronchiolitis in the pediatric ICU. The goal is to see which machine helps babies breathe easier and avoid needing a breathing tube.
The Bronx, New YorkAges birth–2 years - NCT06055868Recruiting
HIV, oral cancer, and health equity study
This study looks at the experiences of people living with HIV who also have oral or throat cancer. The goal is to understand health disparities and improve care.
San Francisco, CaliforniaAges 18 years+ - NCT06056752RecruitingPhase 1
CAR-T cell therapy for B-cell acute lymphoblastic leukemia
This trial tests a new cell therapy (QH103) for people with B-cell acute lymphoblastic leukemia (B-ALL) that has come back or not responded to treatment. The therapy uses specially modified immune cells to find and kill cancer cells that have a protein called CD19 on their surface.
Hefei, AnhuiAges 14 years+ - NCT06057519RecruitingPhase 3
Optimized rifampicin dosing for TB
This trial tests whether higher or standard doses of the antibiotic rifampicin work better for treating pulmonary tuberculosis (a lung infection). You may benefit if you are starting TB treatment and have not had a bad reaction to rifampicin before.
TurinAges 18 years+ - NCT06058520RecruitingEarly Phase 1
Capsule microbiome transplant for hidradenitis suppurativa
This trial tests whether taking capsules containing healthy gut bacteria (fecal microbiota transplant) can help treat hidradenitis suppurativa. You may qualify if you have HS and haven't taken antibiotics in the last 30 days.
Minneapolis, MinnesotaAges 18 years+ - NCT06058819Recruiting
New blood test to guide antibiotic use in newborns
This study is testing a new blood test to see if it can help doctors decide when to use antibiotics for newborns who may have a late-onset infection. The goal is to reduce unnecessary antibiotic use.
BronAges 1 week–2 weeks - NCT06058858Recruiting
CMV reactivation after CAR-T cell therapy for leukemia or lymphoma
This study looks at how often a common virus called CMV reactivates—meaning it becomes active again—in patients who receive CAR-T cell treatment for leukemia or lymphoma. It aims to understand the risks and help doctors better manage care.
ParisAges 1–100 - NCT06060782RecruitingPhase 1
Chemo combo for high-risk blood cancer transplant patients
This trial tests a combination of drugs (thiotepa, cyclophosphamide, clarithromycin, and cytarabine) before a stem cell transplant. It is for people with certain types of blood cancer who have responded well to earlier treatment.
Zhuhai, GuangdongAges 18–65 - NCT06062303Recruiting
Capillary refill time to guide septic shock treatment
This trial tests a new way of giving fluids and medicines to people with septic shock. It focuses on a simple sign called capillary refill time (how fast color returns when you press a fingernail) to guide treatment, aiming to improve recovery.
ReimsAges 18 years+ - NCT06062342Recruiting
HIV prevention study in Miami Black communities
This study aims to help prevent HIV in Black communities in Miami by using local gathering places like barbershops and salons. You may join if you visit these spots during study events and haven't already taken part before.
Miami, FloridaAges 18 years+ - NCT06066957RecruitingPhase 2
Oral letermovir to prevent CMV after heart or lung transplant
This trial tests if an oral medication called letermovir can prevent CMV infection in heart or lung transplant recipients who are at risk for CMV. It may offer a convenient option to protect against this virus after transplant.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06068530RecruitingPhase 4
Mass malaria vaccine and drug campaign in Bangladesh villages
This trial is testing whether giving a malaria vaccine and a malaria drug together to whole villages in Bangladesh can help stop the spread of malaria and protect the entire community. It is open to nearly everyone living in selected villages, including children and adults.
BāndarbanAges 6 months+ - NCT06069531Recruiting
Probiotic or White Pomegranate for Vaginal Health
This study tests whether taking a probiotic (Lactobacillus Johnsonii) or a white pomegranate extract can improve vaginal health in women with an imbalance in vaginal bacteria. It aims to find a natural way to support a healthy vaginal environment.
TaichungAges 20–45 - NCT06070688Recruiting
A test to tell if your breathing infection is bacterial or viral
This study tests a new way to quickly figure out if a respiratory infection is caused by bacteria or a virus. Knowing this could help doctors choose the right treatment faster and avoid unnecessary antibiotics.
Houston, TexasAges 18 years+ - NCT06072430RecruitingPhase 3
Testing a new fluid for septic shock with low blood pressure
This study tests an investigational fluid called VBI-S to see if it can help raise blood pressure in people with septic shock who are not responding to standard fluids. You may qualify if you have severe infection and low blood pressure that needs medication support.
Chandler, ArizonaAges 18 years+ - NCT06072443Recruiting
Study to help people stick with their PrEP
This study tests ways to help people stick with their PrEP (the medicine that prevents HIV). If you're getting PrEP through West Virginia Health Right and have a smartphone, you may be able to join.
Charleston, West VirginiaAges 18 years+ - NCT06074354Recruiting
MY-RIDE app for HIV prevention and substance use in homeless youth
This study tests a smartphone app called MY-RIDE to help homeless youth prevent HIV and reduce substance use. The app sends helpful tips at the right time to support healthier choices.
Houston, TexasAges 18–25
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 7,076 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.