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
- NCT07610486RecruitingPhase 1/Phase 2
Optimizing Ampicillin Dosing for Preterm Infants
This study aims to find the best dose of ampicillin for premature babies in the NICU who are being treated for possible early infection. The goal is to improve treatment and reduce side effects.
Durham, North CarolinaAges birth–1 week - NCT05248555Recruiting
Study of point-of-care hepatitis C testing in adults
This study collects basic information from adults who already had a quick, on-site hepatitis C (HCV) test. It aims to improve how point-of-care testing is done and documented, which may lead to faster follow-up and care.
Sydney, New South WalesAges 18 years+ - NCT07448844RecruitingPhase 4
Comparing vitamin D3 and acyclovir shots for skin warts
This trial tests two injected treatments (vitamin D3 or acyclovir) for common skin warts. The goal is to see which one works better for warts that are new or have not gone away with other treatments.
Rawalpindi, Punjab ProvinceAges 12 years+ - NCT03135886Recruiting
Testing for HIV in opioid treatment programs
This project studies how to improve offering and completing HIV (and hepatitis C) tests in opioid treatment programs. It may help increase timely follow-up and linkage to care when results are positive.
New York, New YorkAges 18 years+ - NCT06656676Recruiting
WePrEP: HIV prevention tool for transgender women
This study is creating a decision-making tool to help transgender women choose the right PrEP (HIV prevention pill) for them. It is looking for transgender women in Denver who are HIV-negative and interested in learning more about PrEP, as well as healthcare providers who help transgender women decide about PrEP.
Sheridan, ColoradoAges 18–65 - NCT06636890Enrolling by invitation
Testing a new method for detecting certain bacteria in lung infections
This study checks if a special test (Xpert Carba-R) can find a type of drug-resistant bacteria, called CRE, in fluid from the lungs and in rectal swabs. It might help doctors treat lower respiratory tract infections more effectively.
Nanjing, JiangsuAges 18–90 - NCT06414057Recruiting
HPV study for women at higher risk in Scotland
This study looks at ways to improve cervical cancer prevention for women in Scotland who face extra challenges, such as addiction, homelessness, prison, or sex work. It includes a vaccination and screening part, plus an interview to hear your views.
EdinburghAges 25–45 - NCT06262009Recruiting
Tracking antibiotic resistance in people and their dogs
This study looks at how antibiotic-resistant bacteria spread between people and their dogs in the same home. It aims to understand how these germs persist and change over time in humans, animals, and the environment.
Maisons-AlfortAges Any age - NCT06252402RecruitingEarly Phase 1
CAR T cells for HIV: A new immunotherapy study
This trial tests a new type of immune cell, called a CAR T cell, that is designed to target and kill cells infected with HIV. It may help control the virus without needing to take HIV medication all the time.
Duarte, CaliforniaAges 18 years+ - NCT06228963RecruitingPhase 2
Orelabrutinib for H. pylori-positive gastric MALT lymphoma
This trial tests a targeted drug called orelabrutinib for people with a specific type of stomach lymphoma that is linked to an active H. pylori infection. The goal is to see if the drug can help shrink or control the lymphoma.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT06163781Recruiting
Using machine learning to guide blood culture use in the ER
This trial tests whether a machine learning model can help doctors decide when to order blood cultures for patients in the emergency department. It aims to reduce unnecessary tests while still catching infections.
AmsterdamAges 18 years+ - NCT06096324Recruiting
Education and job support for HIV prevention in young adults
This study is testing a program that combines education and job support to help young adults in Baltimore stay healthy and prevent HIV. It aims to see if this combined approach works better than education alone.
Baltimore, MarylandAges 18–24 - NCT05973916Recruiting
Hospital disinfection improvement for patients on two wards
This study tests a comprehensive approach to improve cleaning and disinfection in the hospital to reduce germs. You may be included if you are currently hospitalized on one of two specific medicine wards at the study hospital.
Be’er Ya‘aqovAges 18 years+ - NCT05967871RecruitingPhase 1
Testing poop-based therapy for kids with SIBO
This early study tests whether fecal microbiota transplant (a stool donation placed into the gut) is safe and practical for children with small intestinal bacterial overgrowth (SIBO). It may help reduce SIBO symptoms, but the main goal is to see if the treatment and study steps work well.
Hamilton, OntarioAges 3–18 - NCT05817370Recruiting
Training to improve anal cancer screening and care in Nigeria
This trial focuses on implementing anal cancer screening and treatment in Nigeria by working with trained medical professionals. If you meet the professional and community-experience requirements, it may help improve access to screening and care for people at higher risk, including sexual and gender minority communities.
AbujaAges Any age - NCT05805566Recruiting
Study of care for long COVID symptoms in adults
This study follows people who enter a specialized care pathway for long COVID (post-COVID syndrome) to better understand symptoms, needs, and outcomes. It may help improve how multidisciplinary care is organized for long COVID over time.
Pierre-BéniteAges 18 years+ - NCT05519072RecruitingPhase 4
Antibiotics before bladder Botox injections
This study looks at whether taking antibiotic medicine before bladder Botox reduces infection risk or complications. It’s for adults having bladder Botox treatments and who can safely take antibiotics by mouth.
Morristown, New JerseyAges 18 years+ - NCT05369052RecruitingPhase 3
New antibiotic for moderate or severe diabetic foot infections
This Phase 3 trial tests a new medicine (contezolid acefosamil, and contezolid) to treat moderate or severe diabetic foot infections. It compares the new treatment to linezolid to see which works better and is safer for adults.
Corona, CaliforniaAges 18 years+ - NCT05255978Recruiting
Follow-up study for hepatitis B with fatty liver
This observational study looks at people with chronic hepatitis B who also have fatty liver (non-alcoholic fatty liver disease). It follows how their liver health changes over time and may help doctors understand outcomes and risk factors.
Wuhan, HubeiAges 18 years+ - NCT05202964Recruiting
Study comfort and safety with oral antibiotics for bone joint infection
This trial studies how tolerable (comfortable) and safe oral antibiotic treatment is for infections in bones or joints. It may help confirm whether taking antibiotics by mouth for at least 6 weeks is well tolerated during treatment.
LyonAges 18 years+ - NCT05020158Recruiting
Family Talk support after a serious illness in the family
This trial tests a “Family Talk” support program for families dealing with a child’s life-threatening or life-limiting illness. It aims to help families talk and cope together during the early period after diagnosis or relapse.
StockholmAges 6 years+ - NCT04713670RecruitingPhase 4
Tested medicines to cure new H. pylori infection
This trial compares different stomach-medicine combinations to eliminate a new (first-time) H. pylori infection. It may help find the most effective treatment approach for people who have never tried eradication therapy before.
TaipeiAges 20 years+ - NCT04474132Recruiting
Testing for current or past Toxoplasmosis infection
This study checks whether a simple “point-of-care” test can detect current or past Toxoplasmosis infection (a common germ). Your results may help evaluate how well the test works and how it could be used in care.
Chicago, IllinoisAges 18–90 - NCT04332848RecruitingPhase 4
Testing-guided treatment for stubborn stomach H. pylori
This trial studies whether using lab testing to guide antibiotic choice works better than using a standard (empirical) treatment plan for stubborn H. pylori infection. You might benefit if past treatments have not cleared the infection after multiple attempts.
TaipeiAges 20–90
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.