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
- NCT07308808RecruitingEarly Phase 1
Safety of a live bacteria solution for bladder infections
This trial tests if putting a live bacteria called Lactobacillus crispatus into the bladder is safe for people with spinal cord injury and neurogenic lower urinary tract dysfunction. It may help prevent urinary tract infections without antibiotics.
Washington D.C., District of ColumbiaAges 18 years+ - NCT07312045Recruiting
Gum health and healing after non-surgical treatment
This study looks at how certain blood and saliva measurements relate to gum disease and healing after a deep cleaning. It may help find better ways to track gum health.
Merkez, ErzincanAges 18–65 - NCT07312474Recruiting
Study of Anaplasmosis Cases in Alsace
This study looks at people in Alsace, France, who have been diagnosed with anaplasmosis (a tick-borne infection). It aims to understand the disease's patterns and symptoms.
StrasbourgAges 18 years+ - NCT07307976Recruiting
Testing a new pain drug for shingles pain
This trial tests a new medicine called crisugabalin to see if it safely reduces shingles pain. It may help if you have moderate to severe pain from a shingles rash that started less than 3 months ago.
BeijingAges 18 years+ - NCT07314281RecruitingPhase 4
Comparing two antibiotics for XDR typhoid fever
This trial compares two strong antibiotics, meropenem (given through a vein) and azithromycin (taken by mouth), to see which one works better for a hard-to-treat type of typhoid fever called XDR (extensively drug-resistant) enteric fever. If you have been diagnosed with XDR typhoid fever, this study aims to find the best treatment option for you.
Karachi, SindhAges 1–70 - NCT06874127Recruiting
Predicting liver repair in hepatitis B after treatment
This study looks at whether non-invasive tests can tell if liver damage is reversing in people with hepatitis B who have been on antiviral therapy for at least a year. It aims to help avoid repeated liver biopsies.
BeijingAges 18 years+ - NCT06466980Recruiting
Study of ventilator-related events after cardiac arrest
This study looks at lung-related problems that can happen when someone is on a breathing machine after surviving a cardiac arrest. If you qualify, researchers will track your recovery to better understand how to prevent these complications.
Corbeil-EssonnesAges 18 years+ - NCT07306117Enrolling by invitation
Digital oral health study for teens with gingivitis
This study tests a new digital tool to help teenagers with gum inflammation improve their oral health. It focuses on 16-17 year olds who have plaque on at least half of their teeth.
GothenburgAges 16–17 - NCT07304349Recruiting
Study of rapid tests for Chagas diagnosis
This trial is testing new rapid diagnostic tests to detect infection with Trypanosoma cruzi, which causes Chagas disease. It aims to find faster ways to diagnose people who may be at risk, such as pregnant women, blood donors, or those with possible chronic infection.
Buenos Aires, Buenos AiresAges 10 months+ - NCT06434701Recruiting
Severe COVID-19 in children in emergency rooms
This trial is studying children who are very sick from COVID-19 or have a related condition called MIS-C. It aims to understand how severe COVID-19 affects children and improve care.
AfulaAges birth–16 years - NCT07302347RecruitingPhase 1/Phase 2
Study of pembrolizumab for different cancers in Japan
This trial tests a drug called pembrolizumab (Keytruda) to see if it helps people with several types of cancer, including relapsed or refractory lymphoma, melanoma, MSI-high or TMB-high solid tumors, and Merkel cell carcinoma. The goal is to understand if this immunotherapy can shrink or control the cancer.
Nagoya, Aichi-kenAges 6 months+ - NCT07300462Enrolling by invitationPhase 4
Oral cholera vaccine safety study for children
This trial is for children aged 2 to 14 who have not had a cholera vaccine before. It tests a safe, oral vaccine to prevent cholera, a serious diarrheal disease.
Hefei, AnhuiAges 2–14 - NCT07300644RecruitingPhase 2
Pneumococcal vaccine trial for infants and children up to 5 years
This trial tests a new pneumococcal vaccine (PCV24) in healthy infants and children. It aims to protect against serious infections like pneumonia and meningitis caused by pneumococcal bacteria.
Huanggang, HubeiAges 1 month–5 years - NCT07300267RecruitingPhase 1
Study of a new pneumococcal vaccine for infants and toddlers
This trial tests a new vaccine called V118C to protect children against pneumococcal disease. It is for two age groups: toddlers aged 12-15 months who already had 3 doses of a standard pneumococcal vaccine, and babies about 2 months old who have not had any pneumococcal vaccine yet.
Madera, CaliforniaAges 2 months–1.3 years - NCT07302256RecruitingPhase 1
Flu vaccine trial for adults 60 and older
This trial tests an influenza (flu) vaccine in people aged 60 and above. It aims to see if the vaccine is safe and works well for older adults, who are at higher risk for flu complications.
Wuhan, HubeiAges 60 years+ - NCT07302295Recruiting
How COVID-19 affected suicidal behavior in kids
This study looks at how the COVID-19 pandemic affected suicidal behavior in children and teens. Researchers want to compare episodes that happened during the pandemic (2020-2022) with those just before (2018-2019) to understand if there was a change.
BronAges 8–18 - NCT07303699RecruitingPhase 2
Atorvastatin with TB meds: a drug study for TB patients
This study tests if adding the cholesterol drug atorvastatin to standard TB treatment can help clear the infection faster. It looks at how the body processes the drugs and how well they work together.
Zaria, Kaduna StateAges 12 years+ - NCT07301905Recruiting
HPV vaccine study for parents in Flint, MI
This study tests a culturally tailored health message to see if it helps parents feel more open to the HPV vaccine for their daughters. It focuses on families in Flint whose daughters have not yet received the vaccine.
Flint, MichiganAges 18 years+ - NCT07306260Recruiting
Photodynamic therapy for cervical pre-cancer
This study tests a light-based treatment called photodynamic therapy for cervical pre-cancer (CIN2). It may help remove abnormal cells while avoiding more invasive surgery, and aims to see if this treatment is safe and works well.
Hangzhou, ZhejiangAges 25–65 - NCT07297823Recruiting
How cold affects fat burning in men and women
This study looks at how your body's ability to burn fat during exercise changes when you are exposed to cold, and whether men and women respond differently. You will do two exercise tests in a cold room, and researchers will measure your fat burning.
Fort Collins, ColoradoAges 18–40 - NCT07299565Recruiting
Knee infection trial: drug levels after spacer surgery
This trial studies how antibiotics reach the knee joint after a temporary antibiotic spacer is placed. It may help improve treatment for people having two-stage surgery for a knee prosthesis infection.
Bonn, North Rhine-WestphaliaAges 18 years+ - NCT07297966RecruitingPhase 2
Probiotics for recurrent respiratory infections in children
This trial tests if a daily probiotic can help young children who get frequent respiratory infections like colds and coughs. It aims to see if the probiotic reduces how often infections happen.
Xingyi, GuangdongAges 1 day–6 years - NCT07300254Recruiting
Syphilis shedding study in women and men who have sex with women only
This study looks at how syphilis bacteria are shed from the body in people with early syphilis. It aims to understand how the infection might spread, especially among women and men who have sex only with women.
Melbourne, VictoriaAges 18 years+ - NCT07303114Recruiting
HIV screening missed in general practice study
This study looks at missed chances for HIV testing in general doctor offices. It focuses on people who were diagnosed with HIV between 2021 and 2024.
StrasbourgAges 18 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.