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
- NCT07295535Recruiting
Nasal immune responses to respiratory viruses in healthy and immunocompromised people
This study looks at how the nose's immune system responds to common respiratory viruses in both healthy people and those with weakened immune systems. It aims to understand how long these responses last.
Pavia, PaviaAges 18–90 - NCT07288853Recruiting
Can a smartphone app help teens with braces keep cleaner teeth?
This trial tests whether a smartphone app with reminders can help teenagers with braces keep their teeth and gums cleaner. If you're getting braces and have a smartphone, you might be eligible.
Kuantan, PahangAges 12–18 - NCT07292857Recruiting
Respiratory infection risk in postmenopausal women on HRT or not
This study looks at how the risk of respiratory infections (like colds or flu) may differ in postmenopausal women who use hormone replacement therapy (HRT) and those who do not. You will wear a smartwatch for six months and track your health through a smartphone app.
BernAges 40–60 - NCT07293455Recruiting
Testing new TB diagnostic tools for Indonesia
This study tests new ways to diagnose tuberculosis (TB) in both children and adults who have symptoms like a long-lasting cough. It aims to find better tools to detect TB early and help people get the right treatment faster.
Bandung, West JavaAges 4 weeks+ - NCT07290439Recruiting
Fast STI testing for pregnant women
This study tests a quick way to check for STIs during pregnancy or labor at Grady Memorial Hospital. It aims to improve health for mothers and babies by finding infections early.
Atlanta, GeorgiaAges Any age - NCT06126822RecruitingPhase 3
Study of Ebola vaccine booster in previously vaccinated adults
This study tests if a booster dose of one of two Ebola vaccines (Ervebo® or Zabdeno®) is safe and works well in people who already got an Ebola vaccine more than 4 months ago. It's especially for people living in the Democratic Republic of Congo (DRC) who may have been vaccinated before and might need a stronger, longer-lasting immune response.
GomaAges 18–50 - NCT05777447Recruiting
Study for infected aorta/iliac aneurysm after in-place repair
This study looks at treatment outcomes for people whose aorta or iliac artery aneurysm became infected (a “mycotic” aneurysm) and who were treated with an in-place repair. It may help doctors understand the best way to manage this rare condition after surgery.
Roma, RMAges 18 years+ - NCT05882916Recruiting
Study of a program for women who trade sex for money
This study is looking at how a local health program affects women who exchange sex for compensation. You may be asked to complete a short questionnaire about 6 weeks after joining, and you’ll need to stay nearby for about 8 weeks.
KisumuAges 18 years+ - NCT06655272RecruitingPhase 4
OM 85 to prevent lung infections in older nursing home residents
This study tests a medication called OM 85 that may help prevent respiratory infections (like pneumonia) in older adults living in nursing homes. If you are 75 or older and have had infections recently, this trial could be a way to stay healthier.
Roma, RMAges 75 years+ - NCT06793605Recruiting
Community study of MG infection in men who have sex with men
This study is about understanding how common Mycoplasma genitalium (a bacteria that can cause infection) is in men who have sex with men in Hong Kong. If you join, it will help doctors learn more about this infection in your community.
Hong KongAges 18 years+ - NCT06882564RecruitingPhase 3
Resveratrol mouthwash for bad breath study
This trial tests whether a special mouthwash with resveratrol (a natural plant compound) can help reduce bad breath caused by gum-related bacteria. It might be a good option if you have bad breath from gingivitis (mild gum inflammation) and are a non-smoking dental student.
Baghdad, Bab Al-MoadhamAges 20–24 - NCT06881056Recruiting
Aerosol interferon for RSV pneumonia in toddlers
This study tests an inhaled form of peginterferon alpha-2b for children aged 1 to 3 years who have pneumonia caused by RSV. The goal is to see if this treatment helps them recover faster.
Chengdu, SichuanAges 1–3 - NCT06881238Recruiting
How hepatitis B affects inflammatory bowel disease
This study looks at how hepatitis B virus affects people with inflammatory bowel disease (IBD). It may help doctors better understand the link between the two conditions.
Tanta, GharbyeaAges 18 years+ - NCT06881160Recruiting
Micro-RNA and COVID-19 study
This trial studies tiny molecules in your body called micro-RNAs (miRNAs) that may help understand how COVID-19 affects people. Participants donate blood and swab samples to see if these molecules can predict how sick someone might get.
Roma, RMAges 18 years+ - NCT04305808Recruiting
Study of gut, bladder, and vaginal bacteria in recurrent UTIs
This study looks at the bacteria living in the vagina, urine tract, and stool to learn why some women get repeated urinary tract infections (UTIs). The results may help doctors better prevent or treat UTIs in the future.
Jerusalem, JerusalemAges Any age - NCT05979805Recruiting
Education programs to prevent cavities and gum problems during braces
This study compares two types of education programs to see which better prevents cavities and gum inflammation in people getting braces. Participants must be new to orthodontic treatment and have healthy teeth and gums at the start.
BogotáAges 13–28 - NCT06454227Recruiting
Subcutaneous wash during C-sections
This trial tests a new way to clean under the skin after a C-section to reduce the chance of infection. If you are having a C-section, this study may help improve healing.
JerusalemAges Any age - NCT07281430Recruiting
HPV self-test for cervical cancer screening
This study tests if a self-collected sample for HPV testing works as well as standard colposcopy to prevent cervical cancer. If you've recently had an abnormal cervical cancer screening and need a colposcopy, this trial may be an option for you.
Birmingham, AlabamaAges 25 years+ - NCT06473844Recruiting
SGLT2 inhibitors for adults with sepsis
This trial tests whether a type of diabetes medicine (SGLT2 inhibitors) can help adults with sepsis, a life-threatening response to infection. If you have new-onset sepsis and can take oral medicine, you may be eligible.
Hong Kong, Hong KongAges 18 years+ - NCT07282015Recruiting
Real-world study of secukinumab for HS in Canada
This study looks at how well secukinumab (Cosentyx) works in real life for people with moderate-to-severe hidradenitis suppurativa (HS) in Canada. If you're just starting this treatment, researchers want to track your progress and side effects.
Calgary, AlbertaAges 18–100 - NCT07282171RecruitingPhase 1
Study of CBP-4888 for preterm preeclampsia in hospitals
This trial tests a new medicine, CBP-4888, for pregnant women hospitalized with preeclampsia starting after 20 weeks. The goal is to see if it's safe and how it works for you and your baby, who will be followed for up to 24 months after birth.
Parkville, VictoriaAges 18–45 - NCT07285213RecruitingPhase 2
Preventing C. diff return with an antibody
This study tests a new antibody (AZD5148) to prevent C. diff infection from coming back. If you have a current C. diff infection and are being treated with antibiotics, you may be able to join.
Phoenix, ArizonaAges 18 years+ - NCT07281599Recruiting
Using a pad to screen for cervical precancer
This trial tests whether a special pad you wear during your period can detect signs of cervical precancer. If you are already scheduled for a colposcopy due to an abnormal Pap or HPV test, you might be able to participate.
New Haven, ConnecticutAges 25 years+ - NCT07282665RecruitingPhase 3
Vaccine to prevent C. difficile infection in adults 65 and older
This study tests a vaccine that may help protect against a serious gut infection called C. difficile, which often happens after antibiotics or hospital stays. If you are 65 or older and have certain health conditions or recent antibiotic use, you may be able to join.
Athens, AlabamaAges 65 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.