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
- NCT06953310Recruiting
Farming program for teen girls' health and well-being
This study tests whether a farming program that provides food and support can help improve the health and well-being of teenage girls and young women. It is for girls aged 15-19 who are in school, not pregnant, and whose families struggle with food shortages.
KisumuAges 15 years+ - NCT06960382RecruitingPhase 1/Phase 2
Cat allergy immunotherapy with lymph node injections
This trial tests a new way to treat cat allergies by giving tiny injections directly into a lymph node (a part of your immune system), instead of under the skin. It aims to see if this method is safe and can reduce cat allergy symptoms, even in people with asthma.
ZurichAges 18–65 - NCT06958198RecruitingPhase 1
Testing a new multi-stage malaria vaccine in adults and children
This trial tests a new combination of experimental malaria vaccines to see if they are safe and help protect against malaria. It includes both adults and young children in malaria-affected areas.
Siglé, Boulkiemdé ProvinceAges 5 months–35 years - NCT06957236Enrolling by invitation
NICE Procedure for Benign Colon Disease
This trial tests a new minimally invasive surgery called the NICE procedure for treating benign left-sided colon diseases like diverticulitis or benign polyps. It aims to see if this approach leads to fewer infections and better recovery compared to standard surgery.
Houston, TexasAges 18 years+ - NCT06960928RecruitingPhase 3
Low dose sirolimus for long COVID
This trial tests if a low dose of sirolimus, a medicine that calms the immune system, can help people with long COVID. If you have had long COVID symptoms for at least 6 months, like severe fatigue, brain fog, or chest pain, you may be able to join.
New York, New YorkAges 18 years+ - NCT06955728RecruitingPhase 3
RSV vaccine in pregnancy to protect babies
This study tests an approved RSV vaccine given to pregnant women. The goal is to see if it safely protects their babies from severe RSV lung infections during the first months of life.
Kintampo, Bono EastAges 14–55 - NCT06955715Recruiting
Pasteurized donor milk for HIV-exposed babies: a pilot study
This study tests if pasteurized donor human milk is a safe and acceptable option for infants exposed to HIV. It may help families who cannot or choose not to breastfeed.
Saskatoon, SaskatchewanAges 15 years+ - NCT06953271RecruitingPhase 4
Methenamine after Botox for bladder control
This study tests whether taking a medication called methenamine hippurate (a pill for preventing UTIs) after Botox bladder injections can help reduce the risk of urinary tract infections. It may be a good option for women and non-binary people with overactive bladder who are already getting Botox treatment.
Providence, Rhode IslandAges 18 years+ - NCT06958835Recruiting
Linezolid plus standard care for staph bloodstream infections
This trial tests whether adding linezolid, an antibiotic that stops bacteria from making proteins, to usual care works better for treating Staphylococcus aureus bloodstream infections. You may be eligible if you have this infection and are hospitalized.
Aarau, Canton of AargauAges 18 years+ - NCT06962033Recruiting
Pride III: Prison and HIV prevention study
This study looks at ways to improve HIV prevention and treatment for people on probation who have injected opioids. Researchers want to learn from your experiences to help create better services.
New Haven, ConnecticutAges 18 years+ - NCT04556188Recruiting
Study to improve cardiac surgery services for rheumatic heart disease
This study looks at whether building a better, sustainable cardiac surgery service can reduce the burden of rheumatic heart disease. It focuses on patients who need cardiac surgery at a specific hospital during a training and research program.
Addis AbabaAges 14 years+ - NCT05291845RecruitingPhase 2
Vaccine study for treating multiple common skin warts
This Phase 2 study tests giving a Candida antigen plus a bivalent HPV vaccine to help shrink or clear multiple common skin warts. It may help people with warts on different body areas, with different sizes or how long they’ve had them.
Zagazig, Al SharqiaAges 9 years+ - NCT04771728RecruitingPhase 4
Probiotics added to treatment for bacterial vaginosis
This study tests whether adding probiotics to standard care helps treat bacterial vaginosis (BV) and possibly lowers the chance of it coming back. You would be placed into a study group to compare probiotic treatment with the other approach.
Shenzhen, GuangdongAges 18–55 - NCT05291676RecruitingPhase 2
Study how vaccines work in aging and frailty adults
This trial studies how well your immune system responds to a vaccine in people who are younger adults or, especially, older adults and those with frailty. Your participation may help researchers understand why vaccine responses can differ with age.
New Haven, ConnecticutAges 21 years+ - NCT06514547RecruitingPhase 4
Vaccine response and aging in people with HIV
This study is for people living with HIV who are 18 or older and on HIV medication. Researchers want to learn how the immune system and vaccine response change as people age, and will give a pneumococcal (pneumonia) vaccine to study that.
Minneapolis, MinnesotaAges 18 years+ - NCT06943989Enrolling by invitation
Breathing ozone vs. clean air at rest
This study tests how resting healthy adults respond to breathing low levels of ozone (a common air pollutant) compared to clean air. Researchers will measure lung function and signs of inflammation in your blood or breath.
Chapel Hill, North CarolinaAges 18–35 - NCT06951542Enrolling by invitation
Reducing HIV and mental health stigma in Malawi
This study tests a program to reduce stigma for people living with HIV who also have symptoms of depression. It aims to improve mental health and HIV outcomes.
MulanjeAges 18 years+ - NCT06950892Recruiting
Remote sputum collection study for cystic fibrosis
This study tests if people with cystic fibrosis can collect sputum samples at home and mail them in, instead of coming to the clinic. It aims to make participation easier for patients.
Denver, ColoradoAges 18 years+ - NCT06950294RecruitingEarly Phase 1
Inhaled nitric oxide for pneumonia patients on a ventilator
This study tests an inhaled gas (iNO300) given through your breathing tube to improve oxygen levels in critically ill patients with pneumonia. You may qualify if you are on a ventilator and have been diagnosed with pneumonia within the last 3 days.
Boston, MassachusettsAges 18 years+ - NCT06949800RecruitingPhase 2
Probiotics to treat anal precancer (PROTECT trial)
This study tests if a probiotic called EXE-346 can help clear anal high-grade squamous intraepithelial lesions (HSIL), a precancerous condition, in people with HIV who are on effective antiretroviral therapy. If you have anal HSIL that wasn't fully removed by biopsy, you may be able to join.
San Francisco, CaliforniaAges 21 years+ - NCT06946264RecruitingPhase 3
Treating Bronchiolitis: How Babies Respond to Breathing Medicine
This study looks at how children with bronchiolitis (a common lung infection in babies) respond to breathing treatments. It will also check if genes or other traits play a role. The goal is to better understand which treatments work best.
Orlando, FloridaAges 3 months–2 years - NCT06949774Recruiting
Text reminders to help with HIV medication adherence
This study tests whether daily text message reminders and a small tracking device (WisePill) can help people who recently started HIV medication stay on track. It's designed for people who began treatment in the past 2 months and are willing to receive texts and use the device.
KampalaAges 18 years+ - NCT06952374Recruiting
Shockwave balloon for severe mitral valve calcium
This trial tests a special balloon (Shockwave) to treat severe calcium buildup in the mitral valve. It may help people with tight valve opening who cannot have standard surgery.
Shatin, New TerritoriesAges 18 years+ - NCT06951438Recruiting
STI self-swab testing with telemed abortion
This study offers patients having a medication abortion through telemedicine the option to do their own self-swabs for STI testing at home, to see if people find this approach acceptable and easy.
Honolulu, HawaiiAges 14 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.