Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 4,175 recruiting studies in this area right now.
By phase
- Not applicable2,710
- Phase 2360
- Phase 4321
- Phase 1291
- Phase 3288
- Phase 1/Phase 2141
- Phase 2/Phase 364
Top conditions
Leading sponsors
- National Institute of Allergy and Infectious Diseases (NIAID)89
- Assistance Publique - Hôpitaux de Paris80
- University of California, San Francisco44
- Johns Hopkins University32
- Hospices Civils de Lyon30
- National Cancer Institute (NCI)28
- University of Washington27
- University Hospital, Strasbourg, France26
- Columbia University23
- University of Alabama at Birmingham23
Where studies are running
- California236
- Maryland147
- Alabama89
- New York76
- Florida74
- Texas61
- Massachusetts56
- Arizona46
- Pennsylvania45
- Illinois42
Recruiting studies4,175 total
- NCT06646250Recruiting
New ultrasound for steady brain monitoring in newborns
This trial uses a new ultrasound device (NeoDoppler) to watch blood flow in a baby's brain continuously. It aims to see if this gentle, bedside tool can help doctors monitor babies—especially those born early or with certain health concerns—without moving them.
TrondheimAges birth–1 year - NCT06649890Recruiting
Testing a new irrigation solution in breast reconstruction after mastectomy
This study tests a new surgical irrigation solution (Xperience) used during breast reconstruction after double mastectomy. It aims to see if it can reduce complications and improve outcomes for people receiving implants or tissue expanders.
Chapel Hill, North CarolinaAges 18 years+ - NCT06650137Recruiting
Using Diaphragm Ultrasound to Find the Cause of Breathing Trouble
This study tests if ultrasound of your diaphragm (the muscle that helps you breathe) can help doctors find the cause of sudden breathing trouble. It may help patients who come to the emergency room with fast or difficult breathing and low oxygen levels.
Nîmes, GardAges 18 years+ - NCT06650826Recruiting
Antibodies and blood clots in young adults
This study looks for certain antibodies in the blood of people aged 18 to 60 who have had a blood clot without a clear cause, or soon after an infection or vaccine, or who have had clots return despite treatment. It aims to understand why these clots happen.
BerlinAges 18–60 - NCT06650852RecruitingPhase 2
A study of 3 drugs for chronic hepatitis B
This trial tests a combination of three drugs (BRII-179, BRII-835, and PEG-IFNα) to see if they can better control chronic hepatitis B. It is for people who are already on antiviral therapy and have well-controlled virus levels.
Beijing, Beijing MunicipalityAges 18–60 - NCT06652126Recruiting
Immune status and ICU infections study
This study looks at how having a weakened immune system affects the risk of getting infections with hard-to-treat bacteria in the ICU. Depending on your immune status, you may be placed in a group that helps doctors understand who is most at risk.
LilleAges 18 years+ - NCT06653569RecruitingPhase 3
Baloxavir for flu in hospitalized adults
This trial tests if the antiviral drug baloxavir can help adults hospitalized with influenza recover faster. It compares baloxavir to a placebo to see if it improves symptoms and outcomes.
Geneva, Canton of GenevaAges 18 years+ - NCT06655272RecruitingPhase 4
OM 85 to prevent lung infections in older nursing home residents
This study tests a medication called OM 85 that may help prevent respiratory infections (like pneumonia) in older adults living in nursing homes. If you are 75 or older and have had infections recently, this trial could be a way to stay healthier.
Roma, RMAges 75 years+ - NCT06655506Recruiting
Enhanced Recovery for Gynecologic Cancer Surgery
This trial studies whether an enhanced recovery after surgery (ERAS) program improves outcomes for people with gynecologic cancer. It aims to help you recover faster and with fewer complications.
Athens, AthensAges 25–85 - NCT06655844Recruiting
Sana Device for chronic pain from Lyme disease
This study tests the Sana device—a special light and sound tool—to see if it can help reduce chronic nerve pain in people with Post-Treatment Lyme Disease Syndrome. You may be able to join if you have ongoing nerve pain after Lyme treatment and meet a few basic health and medication rules.
New York, New YorkAges 18 years+ - NCT06657781Recruiting
Platelet function study in patients with sepsis
This study looks at how platelets (small cells that help blood clot) behave in people with severe infections (sepsis). It explores a specific part of the immune system (inflammasome) linked to platelet activation, which may help develop better treatments for serious infections.
Les Abymes, GuadeloupeAges 18 years+ - NCT06657898Recruiting
Complicated pneumonia in children in Southeast Europe
This study looks back at children who had a serious type of pneumonia (complicated pneumonia) between 2014 and 2024 in Southeast Europe. It aims to learn more about these infections to help improve care for kids in the future.
BelgradeAges 1 month–18 years - NCT06658002RecruitingPhase 3
Testing stronger eye drops for fungal eye infections
This trial tests if adding cyclosporine A to the standard natamycin eye drops can better treat fungal eye infections. It may help people with moderate vision loss from a fungal corneal infection.
San Francisco, CaliforniaAges 18 years+ - NCT06659380Recruiting
Probiotic for postmenopausal women with vaginal infection
This trial is testing a probiotic (friendly bacteria) treatment for postmenopausal women who have bacterial vaginosis. It aims to see if the probiotic can improve vaginal health.
Kendari, South East SulawesiAges Any age - NCT06659952Recruiting
HIV+ donor hearts for HIV+ recipients
This trial tests whether hearts from donors who had HIV can be safely transplanted into people with HIV who need a heart transplant. It may offer a new option for those on the waiting list.
Dallas, TexasAges 18 years+ - NCT06662630Recruiting
Oscillatory ventilation study for ICU patients on breathing machines
This study tests a new breathing method (high-frequency oscillatory ventilation) for patients in the ICU who need a breathing tube. It looks at how safe it is and how it affects the body, and is for people with certain lung problems like ARDS or collapsed lungs.
Shanghai, Shanghai MunicipalityAges 20–90 - NCT06665035RecruitingPhase 3
Dengue vaccine study for infants and toddlers
This trial tests two doses of a dengue vaccine in healthy infants and toddlers aged 6 to 21 months. It aims to see if the vaccine is safe and helps protect against dengue fever.
Barranquilla, AtlánticoAges 6 months–1.7 years - NCT06665646RecruitingPhase 1
HIV vaccine booster study for previous trial participants
This study tests a booster vaccine for HIV in people who were part of an earlier HIV vaccine trial. The goal is to see if it's safe and helps the immune system fight HIV better.
San Francisco, CaliforniaAges 18–60 - NCT06666049Recruiting
Ultrasound test on the stomach before surgery in patients taking GLP-1 drugs
This trial uses a stomach ultrasound (called gastric POCUS) to check if your stomach is empty before surgery. It is for patients taking GLP-1 medications (like Ozempic, Wegovy, or similar) to help make sure it is safe to proceed with anesthesia.
Madrid, MadridAges 18–90 - NCT06666023Recruiting
A paper test to diagnose orthopedic infections
This trial tests a new paper-based device to quickly diagnose infections after joint replacement or spine surgery. It may help avoid delays from standard lab tests.
Rome, LazioAges 18 years+ - NCT06666491RecruitingPhase 3
Comparing two malaria treatments for P. vivax in people 2 and older
This study compares two medicines (tafenoquine and primaquine) taken with chloroquine to treat P. vivax malaria. It aims to see which is safer and works better in Indian participants aged 2 to 64.
AhmedabadAges 2–64 - NCT06666946Recruiting
Electroacupuncture for sepsis patients in the ICU
This study tests whether gentle electrical stimulation through thin needles placed in the lower legs (electroacupuncture) can help patients fight sepsis in the ICU. It aims to see if this treatment reduces organ damage and speeds recovery.
Wuhan, HubeiAges 18 years+ - NCT06667063Recruiting
Immune response study for COVID-19 and flu
This study looks at how your immune system responds to COVID-19 or the flu. It may help researchers understand these infections better, whether you are currently sick or healthy.
Wuhan, HubeiAges 18 years+ - NCT06667700RecruitingPhase 3
A study of the antiviral molnupiravir for high-risk people with COVID-19
This study tests an antiviral pill called molnupiravir to see if it can prevent severe COVID-19 in people who are at high risk and cannot take Paxlovid. If you have mild to moderate COVID-19 symptoms and certain health risks, you may be able to join.
Cullman, AlabamaAges 18 years+
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 4,175 recruiting infectious disease studies from the U.S. registry right now, out of 7,094 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.