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 applicable2,544
- Phase 2357
- Phase 4302
- Phase 1287
- Phase 3286
- Phase 1/Phase 2131
- 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 Washington23
- University of Alabama at Birmingham22
- University of Oxford22
Where studies are running
- California234
- Maryland142
- Alabama92
- New York73
- Florida72
- Texas63
- Massachusetts55
- Arizona48
- Pennsylvania44
- Illinois41
Recruiting studies3,966 total
- NCT05090267Recruiting
Gut-brain treatments for alcohol use and memory changes
This study tests whether gut-brain–targeted treatments (including probiotics and stimulation of a nerve) can improve thinking and inflammation-related health in people who use alcohol. You may be able to join if you have memory/thinking problems and meet specific medical limits, including HIV immune system levels.
Coral Gables, FloridaAges 35–70 - NCT05110937Recruiting
Testing immune cell changes in sepsis and trauma shock
This study looks at abnormal immune cells (from the bone marrow) in people with sepsis or severe trauma with shock. It aims to understand why the body’s immune response gets out of balance, which could help guide future treatments.
Gainesville, FloridaAges 18–100 - NCT05110833Enrolling by invitation
Study dosing effects during monitored neck or chest spine surgery
This trial studies whether different medication dosing during monitored neck or upper chest spine surgery leads to better outcomes. You might help doctors figure out the most effective dosing approach for this type of surgery.
Minneapolis, MinnesotaAges 18 years+ - NCT05117125Recruiting
Testing for markers in early ventilator lung infections
This study looks at changes (biomarkers) in the blood or other samples from people on a breathing machine. It may help doctors detect ventilator-associated pneumonia earlier and tailor treatment sooner.
DrammenAges 18 years+ - NCT05136703Recruiting
Study depression treatment effects in people living with HIV
This study looks at how depression and its treatment may affect the brain and immune-related body systems in people with HIV. You may be eligible if you have depression and a well-controlled HIV viral load, and you can safely complete brain MRI scans.
Coral Gables, FloridaAges 18 years+ - NCT05117788Recruiting
Quick test for diagnosing tuberculosis
This study tests a new rapid test for tuberculosis (TB). It aims to see if the test can accurately detect TB in people with symptoms, which may lead to faster diagnosis and treatment.
Nairobi, Nairobi CountyAges 18 years+ - NCT05108818RecruitingPhase 4
Study immune responses after an flu shot in healthy adults
This study gives you a flu vaccine and measures how your immune system reacts, including both “blood immunity” and “cell immunity.” It’s for healthy adults and mainly aims to better understand how well flu vaccines work in people without major health issues.
Philadelphia, PennsylvaniaAges 18 years+ - NCT05100095RecruitingPhase 2
Radiation schedule study for Merkel cell skin cancer
This Phase 2 trial tests a specific radiation timing/dose schedule for Merkel cell carcinoma (MCC), a rare and aggressive skin cancer. It may help by improving control of the cancer after surgery, especially in higher-risk cases (like lymph nodes).
Houston, TexasAges 18 years+ - NCT05110443Enrolling by invitation
Compare two types of PET/CT scan pictures
This study compares two ways of taking PET/CT scan images. It may help doctors choose the best scan method for planning treatment, checking how it’s working, or evaluating infection or inflammation.
AarhusAges 18–85 - NCT05075252Recruiting
Testing whether contamination level matters during laparoscopic appendicitis surgery
This study looks at appendicitis patients having laparoscopic surgery and tests whether the amount of contamination found during surgery affects outcomes. It may help surgeons choose the best way to clean the abdomen during the operation.
MilanAges 18–69 - NCT05082519RecruitingPhase 2
Calorie restriction and exercise to improve leukemia treatment in young patients
This study tests whether a special diet (calorie restriction) and increased physical activity can make chemotherapy work better for young people with B-ALL. Participants will follow a monitored diet and exercise plan during their first month of treatment.
Los Angeles, CaliforniaAges 7–25 - NCT05069688RecruitingPhase 1
Testing dolutegravir dosing in HIV and TB children
This study looks at the right way to dose dolutegravir (an HIV medicine) in young children who also have active tuberculosis (TB). Doctors will measure how the medicine moves through the body, especially when standard vs higher-dose rifampicin is used.
Ibadan, Oyo StateAges 4 weeks–5 years - NCT05124392Recruiting
Observational study of biomarkers in people at risk for prion disease
This study looks for early signs of prion disease in people who are at risk, using blood tests, spinal fluid, and thinking tests. It hopes to find ways to diagnose and track the disease earlier.
Charlestown, MassachusettsAges 18–85 - NCT02975310Recruiting
In-clinic endoscopy surgery for chronic sinus polyps
This trial tests an in-clinic (not hospital) endoscopic procedure to remove nasal polyps in people with chronic sinus inflammation, after usual medicines haven’t helped. It may help reduce nasal blockage and improve sinus symptoms, while comparing safety and outcomes after the procedure.
Vancouver, British ColumbiaAges 18 years+ - NCT04160455Recruiting
Study of GALIG proteins in adults with HIV on or off treatment
This study looks at how “GALIG” gene products affect the body’s internal recycling process (called autophagy) in people living with HIV. It may help researchers understand differences between people on HIV treatment, starting treatment, or not currently taking it.
OrléansAges 18 years+ - NCT05042544Recruiting
Testing program for people at risk of hepatitis C
This trial studies point-of-care (on-site) testing to find hepatitis C in adults who are at higher risk. If hepatitis C is found, earlier detection can help you get connected to care sooner.
Canberra, Australian Capital TerritoryAges 18 years+ - NCT05026138Recruiting
Study of severe HPV disease and why it keeps coming back
This study follows people with severe or hard-to-treat HPV-related conditions (and some closely related partners/household contacts) to learn how the virus causes illness and how the immune system responds. It may help doctors better predict who will develop severe disease and guide future treatments.
Bethesda, MarylandAges 3–100 - NCT05036707RecruitingPhase 1/Phase 2
Tick bite study in healthy adults
This study looks at how your body's immune system reacts to a tick bite. It may help doctors understand and prevent tick-borne diseases, which are illnesses spread by ticks, like Lyme disease.
Bethesda, MarylandAges 18–99 - NCT05051098Recruiting
Registry for people with hepatitis B infection
This study is a registry, meaning it collects health information from people living with hepatitis B rather than giving a new treatment. It may help researchers better understand different hepatitis B groups and outcomes over time.
HanoverAges 18 years+ - NCT05041907RecruitingPhase 2
Testing an antiviral’s effects in early COVID-19
This trial looks at how well an antiviral works in the body when started early in people with COVID-19 symptoms. You may be able to join if you’re an otherwise healthy adult with confirmed infection and symptoms for less than 4 days.
Minas GeraisAges 18–60 - NCT05041140Recruiting
Xenon MRI test for lung problems after stem cell transplant
This study uses a special MRI test with xenon gas to look at lung function in adults who had a stem cell transplant and now have breathing-related complications. It may help doctors measure lung impairment more clearly and track changes over time.
Houston, TexasAges 18 years+ - NCT05026749RecruitingPhase 3
Azithromycin for severe RSV breathing failure in young children
This trial tests whether azithromycin (an antibiotic) can improve outcomes for babies and young children in the ICU who have RSV causing serious breathing problems. It mainly looks at children who start strong breathing support soon after RSV symptoms begin.
Birmingham, AlabamaAges 3 days–2 years - NCT05022446Recruiting
Survey study on how COVID-19 affected lung procedures
This study is a survey sent to U.S. lung doctors to understand how COVID-19 changed the way certain lung procedures are done. Your answers could help improve future care and planning during respiratory outbreaks.
Houston, TexasAges Any age - NCT05000723Recruiting
Follow-up for hip joint infection after joint replacement
This study checks what happens over the long term for people who had an infection around a replaced (prosthetic) hip. It mainly helps doctors understand recovery and long-term outcomes after treatment.
LeuvenAges 18 years+
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 6,624 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.