Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 3,968 recruiting studies in this area right now.
By phase
- Not applicable2,549
- Phase 2357
- Phase 4301
- Phase 1287
- Phase 3282
- Phase 1/Phase 2132
- Phase 2/Phase 360
Top conditions
Leading sponsors
- National Institute of Allergy and Infectious Diseases (NIAID)88
- 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 Alabama at Birmingham23
- University of Oxford23
- University of Washington23
Where studies are running
- California233
- Maryland142
- Alabama93
- New York73
- Florida72
- Texas62
- Massachusetts57
- Arizona48
- Pennsylvania43
- Illinois41
Recruiting studies3,968 total
- NCT06322290Recruiting
Study of serious bacterial infections
This study is for people diagnosed with serious bacterial infections, specifically those caused by certain bacteria (pneumococcus, meningococcus, or haemophilus influenzae type b) that have spread throughout the body. The goal is to learn more about these infections and improve care.
AdriaAges 1 day–70 years - NCT06327568Recruiting
Screening for anal cancer and precancer with a new HPV test
This study tests how well a special HPV test (called BD Onclarity™) can find anal cancer or precancer. It is for people at high risk or with known anal abnormalities, and aims to improve early detection.
MilanAges 18 years+ - NCT05903742Recruiting
Standard care for hepatitis delta in the Netherlands
This trial focuses on improving and standardizing how hepatitis delta is cared for in the Netherlands. To take part, you must have confirmed active hepatitis delta and be an adult.
RotterdamAges 18 years+ - NCT05806762Recruiting
Wearable patch study to predict sepsis rehospitalization
This study uses a wearable skin patch placed on you during a sepsis hospital stay to help predict whether you might need to be readmitted after discharge. It may help doctors identify who is at higher risk of rehospitalization and plan follow-up care earlier.
San Diego, CaliforniaAges 18 years+ - NCT05625633RecruitingPhase 2/Phase 3
HPV vaccine vs placebo for stubborn skin warts
This study tests whether an HPV vaccine can help shrink or clear cutaneous (skin) warts that have not responded to prior treatments. Participants get the study vaccine or a placebo to compare results and safety.
Salt Lake City, UtahAges 18 years+ - NCT06018792Recruiting
New blood test for faster sepsis diagnosis in children
This trial tests a new, faster way to find bacteria in the blood of children with suspected sepsis. It uses a molecular test that may give results sooner than standard cultures, helping doctors treat infections more quickly.
AmsterdamAges birth–18 years - NCT06360965Recruiting
Acupoint patch for pelvic pain after PID
This trial tests a skin patch treatment (acupoint application) placed on specific points of the body to help relieve ongoing pelvic pain from pelvic inflammatory disease. It may be a good option if you have moderate pain and ultrasound findings of tubal thickening or fluid.
BeijingAges 18–50 - NCT06360627Recruiting
Low-dose CT with contrast for lung checks
This study tests a special low-radiation CT scan with a contrast dye called Iomeron 400 to see if it works well for checking lung nodules or pneumonia.
ZurichAges 18 years+ - NCT06364878Recruiting
Non-invasive diagnosis for eye infections
This study tests a new, non-invasive (no needles or surgery) way to diagnose a type of eye infection called microbial keratitis. It may help find the cause faster so you get the right treatment sooner.
ArendalAges 18 years+ - NCT01068990Recruiting
Testing how to identify pneumonia germs in ICU patients
This study looks at how well doctors can detect and identify the cause of new pneumonia in people in the medical intensive care unit (ICU). It may help improve how pneumonia is diagnosed and treated in critically ill patients.
SeoulAges 16 years+ - NCT06368882RecruitingPhase 4
Peg-interferon for hepatitis B with fatty liver
This trial tests a medicine called peg-interferon for people who have both chronic hepatitis B and fatty liver. It aims to see if the treatment is safe and effective in helping your body fight the hepatitis B virus.
NingboAges 18–60 - NCT04319367RecruitingPhase 2
Antibody treatment added to HIV meds for early HIV
This Phase 2 trial tests whether adding long-acting HIV antibodies to standard HIV treatment (ART) can help control HIV in people who started ART soon after getting infected. It also checks how safe the antibody treatment is and how well it works over time.
AarhusAges 18–60 - NCT05371353Recruiting
Study of how long HPV vaccine immunity lasts
This study checks how well the HPV (cancer-preventing) vaccine protection stays in your body over time. It may help confirm the vaccine’s “long-lasting” immune response and guide future vaccination confidence.
Yangchun, GuangdongAges 9–45 - NCT06374615Recruiting
Tick-Borne Disease Study in Northern Italy
This study is for anyone 8 or older in an area of northern Italy where tick diseases are common. If you need a tick removed, researchers want to test the tick to learn more about tick-borne illnesses and how to prevent them.
Negrar, VeronaAges 8 years+ - NCT04706390Recruiting
Study compares immune response after COVID infection vs vaccination
This study looks at how your immune system responds after natural COVID-19 infection compared with after COVID vaccination. It may help researchers understand how well different experiences train the body’s defenses.
BergenAges 20–100 - NCT05678621RecruitingPhase 2/Phase 3
Testing stopping or extending immune treatment to prevent infections
This trial studies whether people with certain blood cancers can safely stop their immune support medicine (immunoglobulin, also called Ig) or whether they should continue. It also tests antibiotic prevention strategies to reduce the risk of serious infections.
Garran, Australian Capital TerritoryAges 18 years+ - NCT06377878Recruiting
The Preeclampsia Registry
This study is building a registry of people who have had preeclampsia or related high blood pressure disorders during pregnancy, as well as their family members and healthy volunteers. The goal is to collect information that can help researchers better understand these conditions and improve care.
Melbourne, FloridaAges 13 years+ - NCT06377592Recruiting
AI for Gram stain test accuracy
This trial is testing an AI tool that analyzes Gram stain test results. It is for patients who have had a Gram stain test ordered, which is a common lab test to identify bacteria. The study aims to see how well the AI works compared to standard methods.
Suita, OsakaAges Any age - NCT06346665Recruiting
Transplant infection study for organ and stem cell recipients
This trial follows people who have had a recent organ or stem cell transplant to learn more about infections and how they can be prevented. You may be asked to provide samples and information over time.
MünchenAges Any age - NCT06379919Recruiting
Wound cleaning study for shoulder replacement surgery
This study compares different ways of cleaning the wound during shoulder replacement surgery to see which is more effective at preventing infection. It may help you if you are planning to have a total shoulder replacement.
Orange, CaliforniaAges 18 years+ - NCT06388603Recruiting
Bioactive glass for diabetic foot bone infection in the forefoot
This trial tests a special glass material (bioactive glass S53P4) placed into the bone after surgery to treat a diabetic foot infection in the forefoot. It may help heal the infection better than standard care.
Monfalcone, GoriziaAges 18–100 - NCT06390696Recruiting
Sand play for eczema: a biodiversity study
This study looks at whether playing in sand with different types of natural materials (to increase your contact with harmless microbes) can improve eczema symptoms. You would stop using your usual eczema creams during the trial to see if the sand play alone helps.
Helsinki, UusimaaAges 2–5 - 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+ - NCT06403943RecruitingPhase 4
Chinese herbs with standard TB treatment for lung health
This trial tests if adding a Chinese herbal formula (BaiDiZiYin ShenQiYiFei) to standard tuberculosis drugs helps improve symptoms like shortness of breath, fatigue, and coughing. It may be helpful for people diagnosed with pulmonary TB who also have signs of Qi and Yin deficiency (a traditional Chinese medicine pattern).
Beijing, Beijing MunicipalityAges 18–65
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 3,968 recruiting infectious disease studies from the U.S. registry right now, out of 6,521 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.