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
- 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+ - NCT07298005RecruitingPhase 2
A study of Sonlicromanol for post-COVID patients
This trial tests a medicine called Sonlicromanol to see if it helps people with lingering symptoms after a mild case of COVID-19. It is for people who have post-exertional malaise (feeling very tired or worse after activity) and a moderate level of disability.
Amsterdam, North HollandAges 18–65 - 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 - NCT07304284RecruitingPhase 3
Cholera vaccine study for healthy adults and people with HIV
This trial tests a new cholera vaccine (Biovac OCV-S) to see if it works as well as the current vaccine (Euvichol-Plus). It is for healthy people aged 1 to 45, and also for adults with HIV who are on treatment.
Durban, Eastern CapeAges 1–45 - 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+ - 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+ - NCT07299539Recruiting
Treatment study for enterococcus faecalis bloodstream infection
This trial looks at how well certain penicillin-type antibiotics work for treating a bloodstream infection caused by a bacterium called Enterococcus faecalis. It may help doctors know which treatment is best for patients with this infection.
StrasbourgAges 18 years+ - NCT07299591Recruiting
Antibiotic levels in hip infection spacer study
This study is testing a new way to measure how well antibiotics reach the infected area around a hip implant during a two-stage replacement surgery. If you are already planning this surgery, researchers want to see if the levels of antibiotics in the spacer are high enough to fight the infection.
Bonn, North Rhine-WestphaliaAges 18 years+ - 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+ - 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 - NCT06876948Recruiting
Long COVID brain effects in children
This study looks at brain and nerve problems in children and teens who had COVID-19. It uses brain scans and other tests to understand long-lasting symptoms like headaches, tiredness, memory issues, or dizziness.
Pisa, PIAges 6–16 - NCT04484727Recruiting
Measure lung pressure and breathing in ventilated ICU patients
This study measures lung pressures and breathing mechanics during planned or emergency breathing machine (ventilator) treatment. It may help doctors better understand lung behavior in both healthy and breathing-distressed lungs to improve care.
Gothenburg, Västra Götaland CountyAges 18 years+ - NCT06791889Recruiting
Tracking bacteria in blood of ICU sepsis patients
This study uses a highly sensitive blood test (DdPCR) to quickly find and monitor harmful bacteria in ICU patients with sepsis, aiming to improve early detection and treatment.
WuhanAges 18 years+ - NCT07293559Recruiting
Understanding infant feeding choices in women with HIV
This study looks at how women with HIV decide whether to breastfeed, and what support they get from healthcare providers and family. It aims to learn about their experiences and needs.
Los Angeles, CaliforniaAges Any age - NCT06879925Recruiting
Qi-Gong therapy for long COVID recovery
This study tests whether gentle Qi-Gong exercises can improve physical health and quality of life for people with lingering COVID-19 symptoms (long COVID). It may help if you're over 20 and struggling with post-COVID issues.
New Taipei CityAges 20–100 - NCT07296965Recruiting
Oral bacteria in carotid artery plaque study
This study looks at the bacteria living in your mouth and whether they are linked to plaque buildup in the carotid artery (the main artery in your neck). If you are already scheduled for surgery to remove that plaque, the researchers will take samples from your mouth and the plaque to compare them.
BudapestAges 18 years+ - NCT07295483Recruiting
Long COVID 4-Year Follow-Up Study
This study follows up with people who already took part in the BioICOPER study to see how long COVID symptoms and health evolve over 4 years. If you were in that earlier study, you may join this one to help researchers learn more about long-term recovery.
Salamanca, SalamancaAges 18 years+ - 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 - NCT07288073RecruitingPhase 2
TIL Therapy for Advanced Skin Cancer Patients
This study tests a personalized cell therapy called TIL (tumor-infiltrating lymphocytes) for people with advanced skin cancers that have not responded to immunotherapy. Doctors take your tumor cells, grow immune cells from them, and then infuse them back to fight the cancer.
Boston, MassachusettsAges 18 years+ - NCT07292792Recruiting
PrEP support through peer health navigation for people leaving jail
This study tests whether adding a peer health navigator (someone with lived experience who helps with health) to regular re-entry services can help more people learn about and start PrEP, a medicine that prevents HIV.
Dallas, TexasAges 18–99 - NCT07292584Recruiting
Digital toolkit to help women start PrEP
This trial tests a digital toolkit to help women start taking PrEP, a medication that prevents HIV. It looks at whether the toolkit makes it easier for women to take PrEP consistently.
Birmingham, AlabamaAges 18 years+ - 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+ - 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
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.