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
- NCT06480825Recruiting
Ultrasound study of gum tissue
This study uses a special high-frequency ultrasound to take detailed pictures of your gum tissue. It may help doctors understand gum disease better and find new ways to treat it.
Pisa, ItalyAges 18–70 - NCT06482138Recruiting
Why smell may change after COVID-19: a nose tissue study
This study looks at why some people lose or change their sense of smell after COVID-19. Researchers will take a tiny sample of tissue from your nose to study the cells and molecules involved.
Brussels, Brussels CapitalAges 18–70 - NCT06484335RecruitingPhase 1
HIV vaccine study with treatment pause for Thai adults
This study tests whether adding an experimental vaccine can help your immune system control HIV during a temporary break from your antiretroviral therapy (ART). If you have been on ART since shortly after infection with a suppressed viral load, this trial could help you understand if a 'functional cure' is possible.
Pathum Wan, BangkokAges 18–60 - NCT06222372Recruiting
New approaches for leprosy diagnosis and treatment
This study looks at new ways to diagnose and treat leprosy. It includes patients with a more serious form of leprosy and the people who live closely with them, to help stop the spread of the disease.
NilphamariAges 5 years+ - NCT06468319Recruiting
Pregnancy Registry in Mali
This registry is collecting information about pregnancies in Mali to help improve health for mothers and babies. You can join either as part of a general community survey or as a pregnant woman receiving care at a health center in Kalifabougou.
Kalifabougou, KoulikoroAges 15–49 - NCT06463665RecruitingPhase 2
Virus therapy with chemo and immunotherapy for advanced lung cancer
This trial tests a new treatment that uses a virus to attack cancer cells, combined with standard chemotherapy and an immunotherapy drug, for people with advanced non-small cell lung cancer that has gotten worse after initial treatment. The goal is to see if this combination works better than a different chemotherapy drug alone.
Bullhead City, ArizonaAges 18 years+ - NCT06464510RecruitingPhase 3
Treating sepsis with norepinephrine plus early vasopressin
This trial tests whether giving a second medicine called vasopressin early (along with norepinephrine) helps people with sepsis and low blood pressure better than waiting to use vasopressin only if norepinephrine doesn't work. It may improve blood pressure control and reduce the need for strong medicines.
Caxias do Sul, Rio Grande do SulAges 18 years+ - NCT06462807Recruiting
Improving HIV care in Philadelphia clinics
This study looks at how to improve HIV care and viral suppression by making the clinic environment better for both patients and staff. It may help you stay in care and keep your viral load undetectable.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06468462RecruitingPhase 4
Comparing STI prevention strategies for Kenyan men
This study tests two ways to prevent STIs in men who have sex with men in Kenya: taking antibiotics only when you have symptoms, or taking a single antibiotic pill (doxycycline) shortly after sex. It aims to find which approach works better for keeping you healthy.
KisumuAges 18–29 - NCT06472206Recruiting
HIV support with a health coach and smartphone app
This study is testing a program that pairs you with a community health worker and a smartphone app to help get your HIV under control. It is for people whose virus is not fully suppressed and who live in certain Southern states.
Hobson City, AlabamaAges 18 years+ - NCT06461208RecruitingPhase 3
Fecal transplant for people with cirrhosis
This trial tests whether transplanting healthy gut bacteria (from donor stool) can improve outcomes in people with cirrhosis. If you have mild to moderate cirrhosis, you may be able to join.
BasildonAges 18 years+ - NCT06472765Enrolling by invitation
Study of the Vaginal Ecosystem in Healthy Women
This study looks at the natural balance of bacteria and other factors in the vagina of healthy women. It aims to learn more about what a healthy vaginal ecosystem looks like.
Fullerton, CaliforniaAges 18–89 - NCT06471296Recruiting
How viruses affect tumors and treatment response
This study looks at tumor samples from people with certain cancers to compare those caused by viruses (like HPV, HIV, or EBV) with those not caused by viruses. The goal is to understand why some tumors respond differently to treatments, which may help improve future treatment approaches.
ParisAges 18–100 - NCT05146336Recruiting
CytoSorb registry for critically ill patients needing blood treatment
This registry collects information about critically ill patients who receive the CytoSorb 300 mL blood treatment. It may help doctors better understand when the treatment works best and when it should not be used.
KlagenfurtAges Any age - NCT06154278RecruitingPhase 2
Testing imdusiran for chronic hepatitis B
This trial tests an injected medication called imdusiran (AB-729) to see how it affects the immune system in people with chronic hepatitis B. It is for people who are already stable on oral antivirals and want to try a new approach to possibly control the virus better.
Baltimore, MarylandAges 18 years+ - NCT06447337Recruiting
Continuous body temperature monitoring trial
This trial tests a wearable device that continuously measures your body temperature while you are in the hospital. It may help doctors track fever or temperature changes caused by infections or other illnesses.
Belgrade, Other/Not ApplicableAges 18 years+ - NCT06453460RecruitingPhase 2
Preventing CMV with letermovir after stem cell transplant
This trial tests whether the drug letermovir can prevent cytomegalovirus (CMV) infection in people who have had a stem cell transplant. It is for adults who are CMV-positive and have not yet had a CMV infection.
Orange, CaliforniaAges 18 years+ - NCT06451588RecruitingPhase 2
Fecal transplant for inflammatory back pain
This study tests whether a fecal microbiota transplant (a procedure that transfers healthy bacteria into your gut) can reduce inflammation and improve symptoms in people with inflammatory back pain (axial spondyloarthritis). It may help if your current treatments are not working well enough.
TromsøAges 18–65 - NCT06446245RecruitingPhase 2
Doxycycline for brain tuberculosis
This trial tests whether adding the antibiotic doxycycline to standard treatment can improve recovery in patients with tuberculosis of the brain (TB meningitis). It may help reduce brain swelling and damage.
Medan, MedanAges 21 years+ - NCT06446947Recruiting
Blood markers for poor outcomes after sepsis in cancer surgery
This study looks at blood markers (epigenetics) to better understand why some people have a harder time recovering from a severe infection after major cancer surgery. The goal is to find early signs of poor outcomes in men aged 45–75 with post-surgery sepsis.
Marseille, Bouches du RhôneAges 45–75 - NCT06452095Recruiting
Hyperbaric oxygen therapy for long COVID brain fog
This trial tests if hyperbaric oxygen therapy (breathing pure oxygen in a pressurized chamber) helps with long COVID symptoms, especially brain fog and thinking problems. It may be an option if you have had lingering symptoms for at least 2 months and can travel to one of the study sites.
Toronto, OntarioAges 18 years+ - NCT06440759Recruiting
Filter Comparison for Septic Shock with Kidney Failure
This study compares two types of filters used during continuous kidney replacement therapy in patients with septic shock and severe acute kidney injury. The goal is to see which filter works better and is safer.
Kubang Kerian, KelantanAges 18 years+ - NCT06445166RecruitingPhase 2
Propranolol for Kaposi Sarcoma in adults
This trial tests if the blood pressure medication propranolol can treat Kaposi Sarcoma (a type of skin cancer) in adults. You may be able to join if you have at least 7 measurable skin lesions and are otherwise healthy enough to take an oral pill.
St Louis, MissouriAges 18 years+ - NCT06447402RecruitingPhase 3
Inhaled Amphotericin B for Chronic Aspergillosis Maintenance
This study compares two inhaled treatments (amphotericin B vs. saline) to see which one works better as maintenance therapy for people with chronic pulmonary aspergillosis. It aims to find a convenient way to keep the infection under control after initial treatment.
Chandigarh, ChandigarhAges 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.