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
- 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 - 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+ - 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 - NCT06660342Recruiting
Safety of vonoprazan in pregnant women study
This study looks at the safety of vonoprazan (a medicine for acid reflux) when taken during pregnancy. It follows pregnant women who took the drug and those who didn't, to see how it affects mothers and their babies.
Wilmington, North CarolinaAges 15–50 - 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 - NCT05387005Recruiting
Check who should be tested for H. pylori to prevent stomach cancer
This study looks at a screening plan to prevent stomach cancer by identifying people who should be tested and treated for H. pylori, a common stomach germ. If you have never had H. pylori testing or treatment, the trial may help determine the best approach for prevention.
TaipeiAges 20 years+ - NCT05093075RecruitingPhase 2
Plasma exchange for ICU patients with severe septic shock
This study tests whether therapeutic plasma exchange (a procedure that removes and replaces blood plasma) can improve outcomes in ICU patients with septic shock that is not responding to standard medicines. It may help some people whose infection-related illness is causing failing organs.
Calgary, AlbertaAges 16 years+ - 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 - NCT06660433Recruiting
Quick tests to stop respiratory outbreaks in long-term care
This study is testing whether using quick, on-site tests for respiratory infections (like flu or COVID-19) can help stop outbreaks in long-term care homes. It's looking for facilities that are already connected to certain Ontario Health Teams and haven't used these tests before.
Toronto, OntarioAges Any age - 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+ - NCT06666322RecruitingPhase 2/Phase 3
Treating cryptococcal meningitis in people with HIV
This trial is testing new treatments for cryptococcal meningitis, a serious brain infection, in people living with HIV. It aims to find the best way to treat this infection with fewer side effects.
KampalaAges 18 years+ - NCT06659315Recruiting
Preventing HIV transmission from mom to baby for depressed mothers in Malawi
This study tests a program to help pregnant women with HIV who also have depression, and their partners, reduce the risk of passing HIV to their babies. The program includes support for mental health and HIV care.
ZombaAges 18 years+ - NCT06666309Enrolling by invitation
Study on HIV prevention for people who inject drugs
This study tests different ways to help people who inject drugs stay on PrEP, a daily pill that prevents HIV. It's for people who are HIV-negative and have recently injected drugs.
Barbourville, KentuckyAges 18 years+ - NCT06666738Recruiting
Improving antibiotic use in intensive care units
This study tests a program to help intensive care units (ICUs) use antibiotics more wisely. It aims to improve how antibiotics are prescribed to reduce side effects and resistance.
Hanoi, HanoiAges 18 years+ - NCT06666530Recruiting
Quality of life for pregnant women with HIV
This study looks at how being pregnant while living with HIV affects your quality of life and the care you receive. It aims to understand your experiences and needs during this time.
ParisAges 18 years+ - 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+ - NCT06656351RecruitingPhase 2
Study of tafenoquine for chronic babesiosis with fatigue
This study tests an oral medication, tafenoquine, to see if it helps people with chronic babesiosis who have ongoing fatigue and other symptoms. It aims to find a better treatment for this tick-borne infection that keeps coming back.
New York, New YorkAges 18 years+ - 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 - NCT06646237Recruiting
Using a blood test to diagnose TB in pleural fluid
This study tests a new blood test that looks for TB DNA to see if it can help diagnose tuberculosis in people who have fluid around one lung. If the test works, it might make diagnosing TB faster and less invasive.
Hong Kong, Hong KongAges 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+ - NCT06652646Enrolling by invitation
Mpox study: biology, outcome, transmission, and spread
This study looks at how mpox affects people, how it spreads, and what happens over time. If you are being tested for mpox, you may join to help researchers learn more.
KamitugaAges Any age - NCT06645106Recruiting
Rapid syphilis testing for pregnant patients in the ER
This trial offers quick, on-the-spot syphilis testing for pregnant people who come to the emergency department or obstetrical triage and haven't had prenatal care or a syphilis test yet during this pregnancy. It aims to make testing easier and faster so you can get care if needed.
Houston, TexasAges 18–50 - 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+ - NCT06650501RecruitingPhase 4
Comparing two blood thinners for staph bloodstream infections
This study compares two types of blood thinners (dabigatran vs. a common Xa inhibitor like apixaban) in people with a staph infection in their blood. The goal is to see which is safer and works better.
St. John's, Newfoundland and LabradorAges 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.