Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 4,178 recruiting studies in this area right now.
By phase
- Not applicable2,713
- Phase 2361
- Phase 4321
- Phase 1290
- Phase 3288
- Phase 1/Phase 2141
- Phase 2/Phase 364
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 University31
- 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
- Maryland146
- Alabama89
- New York76
- Florida74
- Texas61
- Massachusetts56
- Arizona47
- Pennsylvania45
- Illinois42
Recruiting studies4,178 total
- NCT07484256Recruiting
Female genital schistosomiasis in migrant women in Italy
This study checks for female genital schistosomiasis in women who moved from countries where schistosomiasis is common. It aims to find out how often it happens and what symptoms it causes, so you can get proper care.
Negrar, VeronaAges 15–49 - NCT07485283RecruitingPhase 4
Shingles vaccine for preventing heart problems and dementia
This trial tests whether a shingles vaccine can help prevent heart attacks, strokes, and dementia in older adults. If you are 65 or older and haven't had the shingles vaccine before, you may be able to join.
HellerupAges 65 years+ - NCT07485855RecruitingPhase 3
Flu vaccine study for blood cancer patients
This trial tests how well the flu vaccine works in people with blood cancers like lymphoma, leukemia, or multiple myeloma. It aims to find the best vaccination strategy to protect you during treatment.
SeoulAges 19 years+ - NCT06264219RecruitingPhase 1
Restoring gut bacteria after C-section birth
This trial tests whether giving a small dose of the mother's vaginal bacteria to babies born by C-section can help restore their gut microbiome. It may reduce the risk of allergies and other immune-related conditions later in life.
Gentofte Municipality, CopenhagenAges 18 years+ - NCT05478720RecruitingPhase 1/Phase 2
Tested medicine for children with cerebral malaria
This early-stage study tests how a medicine (involving ondansetron and ceftriaxone) works in people with malaria. It especially focuses on children with cerebral malaria to see if it can improve safety and early effectiveness.
BlantyreAges 1 year+ - NCT07467707RecruitingPhase 3
Chikungunya vaccine trial for teens and adults
This trial tests an experimental chikungunya vaccine (made from a virus-like particle) to see if it prevents the disease. It is for healthy teens and adults who have not had chikungunya before.
Cebu City, CebuAges 12 years+ - NCT03690063Recruiting
Nice HIV patient health study
This study is tracking the long-term health of people living with HIV who receive care at a specific hospital clinic. It aims to better understand HIV over time.
NiceAges 18 years+ - NCT07651761Enrolling by invitation
Vaccine Talk Training for Primary Care Doctors
This study tests whether special training helps primary care doctors have better conversations with patients about flu and COVID-19 vaccines. You may be eligible if you're a patient who visits a participating clinic during the 2026–2027 vaccine season.
Worcester, MassachusettsAges 18 years+ - NCT07487077RecruitingPhase 4
Extended interval oral cholera vaccine trial in Kenya
This trial tests giving the oral cholera vaccine on a longer dosing schedule than usual. It aims to see if a longer gap between doses still works well to protect people from cholera, especially helpful in places where returning for a second dose is hard.
NairobiAges 1 year+ - NCT07487506Recruiting
Screening for communicable diseases in asylum seekers
This study tests a screening program for communicable diseases (like infections that can spread) in asylum seekers living in reception centers. The goal is to find and help people who might have these conditions early.
Negrar, VeronaAges 18 years+ - NCT07487350Recruiting
Recurrent leishmaniasis in people with HIV
This study looks at better ways to treat visceral leishmaniasis (a serious parasitic infection) when it comes back in people who also have HIV. It may help find a plan that works longer and reduces the chance of relapse.
GonderAges 18 years+ - NCT07487623Recruiting
Nutritional supplement for liver protection in hepatitis C
This trial tests whether a special nutritional supplement can protect the liver in people with chronic hepatitis C. If you have mild to moderate liver damage and meet the criteria, you may be able to join.
Guadalajara, JaliscoAges 18–69 - NCT07491419Recruiting
Test to Speed Up Antibiotic Choice for Blood Infections
This trial checks if a faster test to find the best antibiotic for a bloodstream infection can improve treatment and outcomes. If you have a confirmed bloodstream infection, you may be able to join.
Rozzano, MilanAges 18 years+ - NCT07491848Recruiting
Mouth health study for hepatitis B and D patients
This study looks at mouth health in people with hepatitis B and D, including those taking a medicine called bulevirtide and those not taking it. It may help understand how these infections affect the mouth and gums.
CraiovaAges 18 years+ - NCT07493629Recruiting
Study on immune status and disease control in inflammatory airway diseases
This study looks at how the immune system works and how well diseases like asthma, COPD, and others are controlled. You may join if you have one of these conditions or if you are a healthy volunteer or smoker without lung disease.
Ningbo, ZhejiangAges 18 years+ - NCT07494747Recruiting
Toothpaste for sensitive gums
This trial tests a toothpaste for people with sensitive, inflamed gums (gingivitis). It looks at how well the toothpaste reduces gum bleeding and plaque.
Castelldefels, BarcelonaAges 18–65 - NCT07495059Recruiting
HIV prevention and care study for transgender women
This trial tests an adapted approach to improve HIV prevention and care for transgender women in Ho Chi Minh City. It aims to help participants stay healthy and access services.
Ho Chi Minh CityAges 16 years+ - NCT07496723Recruiting
Comparing diagnostic methods for appendicitis surgery
This trial looks at whether different ways of diagnosing appendicitis (like CT scans) are accurate. It's for people who already had surgery to remove their appendix and want to help doctors learn more.
Sanliurfa, ŞanlıurfaAges 18 years+ - NCT07499596Recruiting
Black Mulberry Mouthwash for Gum Inflammation
This trial tests whether a mouthwash made from black mulberry (Morus nigra) can help treat gingivitis (gum inflammation). If you have gum disease but not advanced gum disease, you may be able to join for about 2 weeks of using the mouthwash along with regular brushing.
Battalgazi, MalatyaAges 18–65 - NCT07500415Recruiting
Doxycycline to prevent STIs in Rio de Janeiro
This trial tests whether taking the antibiotic doxycycline can prevent sexually transmitted infections (STIs) like chlamydia, gonorrhea, and syphilis in people at higher risk. If you are a man or transgender woman who has sex with men, are living with HIV or on PrEP, and have had an STI in the past year, you may be able to join.
Rio de Janeiro, Rio de JaneiroAges 18 years+ - NCT07500506RecruitingPhase 3
Safety of a fifth dose of the Lyme disease vaccine
This study is for people who have already received four doses of the Lyme vaccine (VLA15) in a previous study. It tests whether a fifth dose is safe and helps the body build more protection against Lyme disease.
Bangor, MaineAges 7 years+ - NCT07501455Recruiting
Studying toothpaste and mouth rinse effects on gum inflammation
This study tests whether using a certain toothpaste and mouth rinse can reduce gum inflammation (gingivitis) better than brushing alone. It is for people with mild to moderate gum disease who have not used tobacco or certain medications recently.
Somerville, MassachusettsAges 18–60 - NCT07501897Recruiting
Cold plasma for healing cannula wounds in ECLS patients
This trial tests whether cold atmospheric plasma—a gentle, gas-based treatment—can help heal wounds where tubes enter the body for life support. It might offer a new way to care for these delicate spots.
TaipeiAges 18 years+ - NCT07502118RecruitingPhase 2/Phase 3
NexCAR19 for B-cell blood cancers that came back
This trial tests NexCAR19 (a CAR-T cell therapy) for people with certain types of B-cell lymphoma or B-cell acute lymphoblastic leukemia that didn't respond to or came back after other treatments. It aims to see if this therapy can help control the cancer.
AnkaraAges 18 years+
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 4,178 recruiting infectious disease studies from the U.S. registry right now, out of 7,113 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.