Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 3,966 recruiting studies in this area right now.
By phase
- Not applicable2,545
- Phase 2357
- Phase 4302
- Phase 1287
- Phase 3282
- Phase 1/Phase 2133
- Phase 2/Phase 360
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 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 studies3,966 total
- NCT06676410RecruitingPhase 2
Testing Codivir plus standard HIV treatment in new patients
This trial tests a new investigational drug called Codivir added to standard HIV treatment for people who have never taken HIV medications before. It aims to see if adding Codivir helps control the virus better and is safe.
São PauloAges 18 years+ - NCT05961059RecruitingPhase 1
Shigella vaccine safety study for healthy adults
This Phase 1 study tests a Shigella (gut infection) vaccine and additives to see how safe they are in healthy adults. If you qualify, you may help researchers understand whether the vaccine triggers any unwanted immune or stomach side effects.
LeidenAges 18–50 - NCT06480604Recruiting
Probiotic for yeast infection prevention
This trial tests if taking a multi-strain probiotic daily can prevent repeat yeast infections in women who have had at least three infections in the past year.
Vadodara, GujaratAges 18–50 - NCT07663032RecruitingPhase 1
Pan-Salmonella vaccine study for healthy young adults
This trial tests an experimental vaccine designed to protect against multiple types of Salmonella bacteria (which cause typhoid fever and other infections). It is given to healthy adults aged 18 to 45 to check safety and immune response.
BloemfonteinAges 18–45 - NCT07660354Recruiting
Head lice treatment study comparing a new product to Nix
This trial tests a new head lice product (X92001483) to see how safe and effective it is compared to the standard treatment Nix. It looks at both getting rid of lice and preventing them from coming back.
Maitland, FloridaAges 1 year+ - NCT07660198RecruitingPhase 3
Pneumonia vaccine catch-up study for kids and teens
This trial tests a catch-up pneumococcal vaccine for children and adolescents who may have missed some doses. It aims to see how safe and effective the vaccine is in healthy kids aged 15 months to 17 years.
Birmingham, AlabamaAges 1.3 years–17 years - NCT07658534RecruitingPhase 2/Phase 3
Ziresovir for high-risk adults with RSV
This trial tests an antiviral drug called Ziresovir in adults with RSV who have health conditions that make them high-risk, such as lung disease, heart disease, or a weakened immune system. It aims to see if the drug can reduce symptoms like coughing and shortness of breath.
Beijing, Beijing MunicipalityAges 18–85 - NCT04494776Recruiting
Study of COVID-19 in kidney transplant patients
This study looks at what happens when people with kidney transplants get COVID-19. It may help improve how doctors monitor and manage COVID-19 in transplant recipients.
São Paulo, Aão PauloAges Any age - NCT07659769Recruiting
Global study on hidradenitis suppurativa
This study collects information from people with hidradenitis suppurativa (a skin condition causing painful lumps) to better understand the condition and improve care worldwide.
ZurichAges 14 years+ - NCT07655804RecruitingPhase 3
Calcitonin injection for shingles pain in older adults
This trial tests whether a medication called calcitonin (given as a shot under the skin) can help reduce pain in people with a recent shingles outbreak. It is for adults 50 and older who have moderate to severe pain from their rash.
Tanta, Gharbia GovernorateAges 50 years+ - NCT07655388Recruiting
Wound healing and dressing changes after hip replacement
This study compares different types of dressings and how often they should be changed after total hip replacement surgery. It aims to find the best way to help the surgical wound heal.
Novi SadAges 65–95 - NCT07659847Recruiting
Heart checkup 5 years after MIS-C
This study looks at the heart health of children and teens who had MIS-C (a rare inflammatory condition linked to COVID-19) about 5 years later. It will compare their results to those of healthy children, to see if there are any lasting effects on the heart.
Warsaw, Masovian VoivodeshipAges Any age - NCT07661862Recruiting
Managing heart and lung symptoms after COVID-19
This trial tests a program to help people with ongoing fatigue, shortness of breath, or chest pain after COVID-19. It uses a personalized plan to improve your daily function and heart health.
Hobart, TasmaniaAges 40 years+ - NCT07655050Recruiting
Antibiotic wash during kidney stone surgery
This study tests whether washing the urinary tract with antibiotics during kidney stone surgery can help prevent infections. It's for people scheduled for a procedure called RIRS to remove kidney stones.
Çorum, ÇorumAges 18 years+ - NCT07661784Recruiting
Saliva tests to track gum disease
This study looks at whether substances in your saliva can show if gum disease is getting worse. It might help find a simple way to monitor gum health without needles or X-rays.
IspartaAges 18–65 - NCT06680180Recruiting
Blood Clot Breakdown in Severe Infection and Injury
This trial studies how well the body's natural clot-busting system works in people with serious infections or major injuries. It may help doctors find better ways to treat these conditions.
Canberra, Australian Capital TerritoryAges 18 years+ - NCT05416684Recruiting
PEEK vs titanium skull repair after brain surgery
This is an observation study that compares outcomes after two types of skull repair: PEEK and titanium. It may help doctors understand which option works best and how patients recover, without requiring an experimental treatment plan.
Shanghai, Shanghai MunicipalityAges 18–65 - NCT06680011Recruiting
Study of diagnostic markers for neurosyphilis
This study looks for better ways to diagnose neurosyphilis, an infection that affects the brain and spinal cord. Researchers will compare test results from people with neurosyphilis, people with syphilis but no brain involvement, and healthy volunteers.
Shanghai, Shanghai MunicipalityAges 18–65 - NCT03892174Recruiting
Removing inflammatory signals during heart surgery for endocarditis
This study tests whether removing certain inflammation signals (cytokines) can help people with severe heart infection (infective endocarditis) who are having heart surgery soon. It may help reduce harmful inflammation around the time of surgery, but it also has several medication and health-condition requirements.
BernAges 18 years+ - NCT04447742Recruiting
Study of how healthy babies’ gut microbes develop from birth
This study follows pregnant people from about 20 weeks until delivery, to understand how gut microbes (tiny organisms in the intestines) develop in healthy babies. It may help researchers learn how early-life gut development affects health later on.
BernAges 18–45 - NCT06355258RecruitingPhase 1
Troxerutin to prevent blood clots in COVID-19 patients
This trial tests if the drug troxerutin can prevent dangerous blood clots in adults hospitalized with mild or severe COVID-19. If you have COVID-19 and are not already on blood thinners or at high risk for bleeding, you may be able to join.
Shaoxing, ZhejiangAges 18 years+ - NCT07653568Recruiting
Comparing two ultrasound methods to guide fluid therapy in septic patients on ventilators
This study tests whether a neck ultrasound (carotid Doppler) or a heart ultrasound (echocardiography) is better at determining how much fluid a septic patient on a ventilator needs. If you or your loved one is in the ICU with sepsis on a breathing machine, this trial helps doctors choose the best way to give fluids that can improve blood pressure and organ function.
Islamabad, Federal AreaAges 12 years+ - NCT07647575Recruiting
Salt Water Inhalation for Nontuberculous Mycobacterial Lung Disease
This trial tests whether breathing salt water vapor through a home nebulizer machine helps people with a specific type of lung infection (nontuberculous mycobacteria). The goal is to see if this simple treatment can improve breathing and reduce symptoms.
TaipeiAges 18 years+ - NCT07650227RecruitingPhase 3
Raphamin for treating acute bronchitis in adults
This study tests whether a medicine called Raphamin can safely and effectively treat acute bronchitis (a chest infection with cough) in adults. Raphamin may help reduce cough and breathing problems in the early stages of this condition.
AramilAges 18–64
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 3,966 recruiting infectious disease studies from the U.S. registry right now, out of 6,543 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.