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 2362
- Phase 4321
- Phase 1291
- Phase 3285
- Phase 1/Phase 2142
- 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
- California235
- Maryland147
- Alabama89
- New York77
- Florida74
- Texas61
- Massachusetts56
- Arizona47
- Pennsylvania45
- Illinois42
Recruiting studies4,175 total
- NCT05951595RecruitingPhase 3
Testing three malaria medicines together versus two
This study compares a combination of three medicines to treat uncomplicated malaria, to see if it works as well and is as well tolerated as a two-medicine combination. You may join if you have a specific type of malaria infection in a mild form and meet safety requirements.
Ruhuha, Eastern ProvinceAges 6 months+ - NCT06069505Recruiting
Testing for drug-resistant fungus in blood or fluid
This study is testing a new blood or fluid test that may find drug-resistant fungus in people with a weakened immune system who have a serious lung infection. The results could help doctors choose the right medicine faster.
Rotterdam, South HollandAges 18 years+ - NCT06037421Recruiting
Bacteria in breast milk of NICU mothers
This study looks at the bacteria naturally found in breast milk. Researchers want to learn more about the germs in milk from mothers whose babies are in the neonatal intensive care unit.
Corbeil-Essonnes, FranceAges 1 hour+ - NCT05924126Recruiting
Antibiotics for ICU patients with sepsis
This study looks at treating ICU patients with sepsis (a serious body-wide infection) using antibiotics. It may help doctors understand which antibiotic approach works best for critically ill patients.
Kfar SabaAges 18–99 - NCT05926804Recruiting
Screening and treatment for Helicobacter pylori in teens
This trial checks teenagers for a long-lasting H. pylori stomach infection and then treats those who need it. It may help prevent ongoing stomach problems from the infection and compare outcomes between treated and non-treated groups.
CoyhaiqueAges 14–18 - NCT05945199Recruiting
Brain stimulation to reduce cravings in chemsex users
This trial tests a non-painful brain stimulation method (tDCS) to help reduce cravings related to chemsex. If you qualify, you’ll be randomly assigned to real stimulation or a sham (placebo) and complete study visits and questionnaires.
DijonAges 18 years+ - NCT06126731RecruitingPhase 1/Phase 2
Antibiotics plus enzalutamide for advanced prostate cancer
This trial tests whether adding specific antibiotics (amoxicillin, metronidazole, vancomycin, ciprofloxacin) to enzalutamide can help treat advanced prostate cancer that has stopped responding to other treatments. It aims to see if changing gut bacteria can make the cancer therapy work better.
BellinzonaAges 18 years+ - NCT06058572RecruitingPhase 2
Rifaximin for gut bacteria after stem cell transplant in leukemia
This trial tests whether the antibiotic rifaximin can help protect the healthy bacteria in your gut after a stem cell transplant for acute leukemia. It may reduce infections and other complications during your recovery.
Navi Mumbai, MaharashtraAges 18–70 - NCT06122259Recruiting
Fever study in Guinea
This study is for people with a recent fever. Researchers want to learn more about what causes fevers in Guinea and how to treat them. You would need to be able to come back for check-ups over 3 weeks.
Maférinya, ForécariahAges 2 months+ - NCT05937412Recruiting
Honey or alcohol to disinfect children’s skin
This trial compares honey versus alcohol applied to skin to see which works better as a disinfectant. It involves children with otherwise healthy skin and checks for safe use before and after application.
Cairo, Cairo GovernorateAges 2–12 - NCT06056544Enrolling by invitation
HIV prevention support for Black men who have sex with men
This study tests a personalized care coordination program to help Black men who have sex with men stay on HIV prevention. It focuses on men who are new to or have stopped PrEP and want to reduce their HIV risk.
Washington D.C., District of ColumbiaAges 18 years+ - NCT05971537RecruitingPhase 4
Antibiotic lock treatment for repeat peritonitis in catheter patients
This trial studies using an “antibiotic lock” inside a Tenckhoff catheter to prevent relapsing or repeat peritonitis in people on peritoneal dialysis. It may help stop infections that come back soon after antibiotics, especially when the same germ is causing them.
Tai PoAges 18 years+ - NCT06027671Recruiting
Peer support after prison for HIV treatment
This trial tests a program where former inmates help you stay on HIV medication after release. It's designed for people living with HIV who are about to be released from prison in specific areas of South Africa.
Johannesburg, GautengAges 18 years+ - NCT05871476Recruiting
Study to reduce resistant bacteria spread in young children
This study tests ways to reduce how a hard-to-treat bacterial germ spreads between hospitals, homes, communities, and animals. It focuses on children under 2 years old in the selected hospital area because they may be more likely to pick up and spread the bacteria.
Thái Bình, Thai BinhAges Up to 2 years - NCT05677282RecruitingPhase 4
Single-dose antibiotics for sudden watery diarrhea
This trial compares rifaximin or azithromycin (both antibiotics) taken as a single dose, with loperamide to control symptoms. It’s for people with recent, watery diarrhea who can be treated and followed as an outpatient, to see which option works better and is safer.
DjiboutiAges 18–60 - NCT05777603RecruitingPhase 1
Aerosol antibiotics plus pembrolizumab for advanced lung cancer
This trial studies whether inhaled (aerosol) antibiotics combined with pembrolizumab can help people with advanced non-small cell lung cancer that has grown despite standard first treatment. It aims to improve cancer control by testing this new combination in Phase 1 safety and early effectiveness.
Bethesda, MarylandAges 18–120 - NCT05798364Recruiting
Study how resistant gut bacteria spread within households
This study tracks a specific kind of antibiotic-resistant gut bacteria in hospital patients and how it may spread to people living in the same home. It may help researchers understand transmission risk inside households and improve prevention strategies.
Paris, Île-de-France RegionAges Any age - NCT05746442Recruiting
Interactive quitting messages for Khmer-speaking people with HIV
This trial tests whether interactive, personalized messages can help people who smoke cigarettes quit. It is designed for Khmer-speaking adults living with HIV and aims to support a quit attempt within about two weeks.
Phnom PenhAges 18 years+ - NCT05775614Enrolling by invitation
Catheter care rinse study to prevent infections and improve comfort
This study tests a catheter “rinse” product (UroTainer) or plain saline to help keep a permanent catheter working and reduce infection risk. It also looks at comfort and quality of life for people who have had catheter problems like blockage or buildup.
OdenseAges 18 years+ - NCT05656105RecruitingEarly Phase 1
PET scan study of brain inflammation after COVID
This early-phase study uses a special PET scan to look for signs of brain inflammation in people with ongoing (long-term) nervous system symptoms after COVID-19. It may help researchers understand what is driving symptoms and whether this imaging approach can detect inflammation.
Birmingham, AlabamaAges 18–65 - NCT05718726Recruiting
Study of infections after spleen removal surgery
This trial looks at what happens after surgery to remove the spleen in people who also have major cancer surgery through the belly. It may help reduce or better manage serious infections after this kind of operation.
Basingstoke, HampshireAges 18–79 - NCT05902221RecruitingPhase 3
Rifampicin add-on for knee, hip, or shoulder implant infections
This Phase 3 trial tests whether adding rifampicin improves outcomes for implant infections caused by a specific germ (Cutibacterium acnes) after surgery. If you have such an infection and the germ is susceptible, you may be able to receive a rifampicin-based treatment plan.
AnnecyAges 18 years+ - NCT05743738Recruiting
Ultrasound study of catheter blood infections and vein clots
This study looks at how a blood stream infection related to a catheter can cause vein problems, and uses ultrasound to assess it. It may help doctors better understand what to look for and how these complications develop in hospital patients.
AngersAges 18 years+ - NCT05314426Enrolling by invitation
Biobank for people using phage therapy
This study collects and stores samples (a “biobank”) from adults who plan to receive or have already received phage therapy. It helps researchers better understand how phage therapy works and can support future treatment research.
Rochester, MinnesotaAges 18 years+
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 7,037 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.