Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 3,966 recruiting studies in this area right now.
By phase
- Not applicable2,544
- Phase 2357
- Phase 4302
- Phase 1287
- Phase 3286
- Phase 1/Phase 2131
- 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 Washington23
- University of Alabama at Birmingham22
- University of Oxford22
Where studies are running
- California234
- Maryland142
- Alabama92
- New York73
- Florida72
- Texas63
- Massachusetts55
- Arizona48
- Pennsylvania44
- Illinois41
Recruiting studies3,966 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+ - NCT06024421RecruitingPhase 1
Testing high doses of favipiravir in healthy volunteers
This study tests the safety and how the body processes very high doses of the antiviral drug favipiravir in healthy people. It helps find the highest dose that is still safe before testing in patients.
ParisAges 18–75 - NCT06004011Recruiting
Cancer workforce roles for people living with HIV
This study looks at a program to help people living with HIV take on cancer-fighting roles (like caregiving or support workers). It follows volunteers for 3 years and checks how well the program works for them and their community.
LusakaAges 15–39 - NCT06021626RecruitingPhase 1
Study of CRD3874-SI for advanced solid tumors
This trial tests a new drug called CRD3874-SI for people with advanced solid tumors that have not responded to standard treatments. The goal is to see if the drug is safe and can shrink tumors.
Basking Ridge, New JerseyAges 18 years+ - NCT06027879Enrolling by invitationPhase 1/Phase 2
Anti-viral T-cell therapy for stubborn viral infections after transplant
This trial tests a treatment using specially grown T-cells (a type of immune cell) to fight certain viruses that won't go away with standard medicines. It is for people who have had a stem cell or organ transplant, or who have a weak immune system, and who are struggling with adenovirus, CMV, or EBV infections.
Pittsburgh, PennsylvaniaAges 1 month–65 years - NCT06003816Recruiting
7-day cholera water, sanitation, and hygiene help at home
This trial offers a 7-day program to help cholera patients who don't have running water at home. It provides tools and guidance on water, sanitation, and hygiene to stop cholera from spreading.
DhakaAges Any age - NCT06006884Recruiting
Understanding long-term lung effects after COVID-19
This study looks at why some people develop long-term lung problems after COVID-19. It compares people who had severe COVID-19 and were hospitalized to those who had mild infections and recovered at home.
Rochester, MinnesotaAges 18 years+ - NCT06023550Recruiting
Complicated Ear, Nose, and Throat Infections Study
This study looks at patients with complicated infections of the ear, nose, throat, or neck that are treated at a specific hospital in Slovenia. The goal is to learn more about these infections and how they are managed.
Ljubljana, LjubljanaAges Any age - NCT06006429Recruiting
Using a scanner to check teeth and gums
This study tests if a special intraoral scanner can help dentists find gum problems and tooth issues. If you have receding gums, you may be able to join.
ReimsAges 18 years+ - NCT06029933Recruiting
Comparing two flu vaccines for older adults
This study compares two types of flu shots for people 65 and older to see which works better. If you are a Kaiser Permanente member and get your flu shot at a Kaiser facility, this trial looks at your health records to see how well the vaccine protected you.
Oakland, CaliforniaAges 65 years+ - NCT06025253Recruiting
Negative pressure dressing after leg amputation
This trial tests a special wound dressing that applies gentle suction to the incision after major leg amputation. It aims to reduce wound complications and help the stump heal better.
Dublin, DublinAges 18 years+ - NCT06013579Recruiting
Exercise study for older adults with HIV
This study tests whether high-intensity exercise can help improve thinking and memory, and build lasting exercise habits, in older adults living with HIV who feel tired and are not very active.
Birmingham, AlabamaAges 50–80 - NCT06014411Recruiting
Early vs delayed bathing after fracture surgery
This study compares bathing soon after fracture surgery versus waiting longer. It aims to see if early bathing is safe and works just as well.
New York, New YorkAges 18 years+ - NCT06026969Recruiting
Study on Lyme disease and baby development after pregnancy exposure
This study looks at how Lyme disease during pregnancy might affect a baby's development. It involves questionnaires and possibly an MRI of the baby's brain, done at a visit or remotely.
Washington D.C., District of ColumbiaAges 18 years+ - NCT06030245Recruiting
Tracking recovery from C. diff infection in hospital patients
This study follows patients with Clostridioides difficile (C. diff) infection to see how their symptoms improve and when the bacteria clear from their body. It aims to better understand recovery and guide treatment.
ParisAges 18 years+ - NCT06022146RecruitingPhase 3
Short TB prevention for school contacts
This trial tests a very short (one-month) medicine course to prevent tuberculosis (TB) in students and school staff who have been exposed to someone with active TB. If you have latent TB infection (the germs are in your body but you're not sick), this treatment aims to stop it from turning into active TB disease.
Anshun, GuiyangAges 13 years+ - NCT06002607Recruiting
Shorter vs longer antibiotics for severe skin infections
This study compares a shorter course (about 7 days) of antibiotics to a longer course (about 14 days) for people who had surgery for a severe skin and muscle infection. The goal is to see if a shorter treatment works just as well.
Orange, CaliforniaAges 18 years+ - NCT06006559RecruitingPhase 2
Testing a new dengue treatment (EYU688) in adults
This trial tests a new experimental drug, EYU688, for adults with dengue fever. It aims to see if the drug is safe and effective. You may qualify if you have early dengue symptoms, have tested positive for dengue, and are otherwise healthy.
Manaus, AmazonasAges 18–60 - NCT03236987RecruitingPhase 3
Clarithromycin versus azithromycin for lung MAC infection
This Phase 3 trial compares two antibiotics—clarithromycin and azithromycin—to treat lung infection caused by Mycobacterium avium complex (MAC). It may help by showing which antibiotic works better and is safer for people who need MAC treatment.
Amiens, PicardieAges 18 years+ - NCT05730244RecruitingPhase 1
Test cream made from cassia alata for skin rash
This Phase 1 study tests how safe and how well a 20% cassia alata (a plant extract) cream works for tinea versicolor, a common skin condition. You may be able to join if your rash matches the study’s confirmed diagnosis and you have not used treatment recently.
Kingston, OtherAges 18–89 - NCT05985681RecruitingPhase 1
Vaccine to prevent HPV-related cancers
This trial tests a new vaccine called RG1-VLP that may help prevent cancers caused by HPV. It is for healthy women who have not had an HPV vaccine before and are willing to follow study procedures.
Madison, WisconsinAges 18–60 - NCT05993442Recruiting
Skin-to-skin care to reduce infections in early babies
This study is testing if giving more skin-to-skin care (called Kangaroo Care) to very early-born babies in the NICU can reduce serious infections and the spread of resistant bacteria. It is for babies born before 32 weeks in certain hospitals.
AthensAges Up to 7 months - NCT05996016Recruiting
Gut and vaginal bacteria in HIV-positive women
This study looks at the types of bacteria living in the gut and vagina of women with HIV, including pregnant women. It aims to understand how these bacteria might affect health.
Beijing, Beijing MunicipalityAges 14 years+ - NCT05984849Recruiting
A Game to Learn About the HPV Vaccine
This study uses a game to teach children ages 11-14 about the HPV vaccine and why it's important. It's for kids who haven't gotten the vaccine yet and their parent or guardian.
Chandler, ArizonaAges 11–14
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 3,966 recruiting infectious disease studies from the U.S. registry right now, out of 6,624 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.