Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 4,173 recruiting studies in this area right now.
By phase
- Not applicable2,709
- Phase 2360
- Phase 4322
- Phase 1292
- Phase 3284
- Phase 1/Phase 2141
- Phase 2/Phase 365
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
- California235
- Maryland147
- Alabama89
- New York77
- Florida74
- Texas61
- Massachusetts56
- Arizona46
- Pennsylvania45
- Illinois42
Recruiting studies4,173 total
- NCT06131931Recruiting
HIV prevention study for Latino male couples
This study tests a program to help Latino male couples stay healthy and prevent HIV. It focuses on couples where one or both partners are Latino, and at least one partner has had unprotected anal sex recently.
Orlando, FloridaAges 18–100 - NCT06387667Recruiting
Fungal lung infections in ICU patients with weak immune systems
This study looks at different types of fungi that may cause serious lung infections in patients with weakened immune systems in the ICU. It aims to find out which fungi are present and which antifungal drugs can kill them.
AsyutAges 18 years+ - NCT06126614RecruitingPhase 3
Infection prevention in joint replacement surgery
This trial tests a way to prevent infections for people getting a hip or knee replacement. It compares different methods to see which works best and may help lower your risk of infection after surgery.
Hamilton, OntarioAges 18 years+ - NCT06127290Recruiting
HIV treatment study for people in Eastern Europe and Russia
This study looks at how well newer HIV medicines work in people starting treatment for the first time in Eastern Europe and Russia. It also checks for drug resistance to find better treatment strategies.
CologneAges 18 years+ - NCT07011563Recruiting
Helping teens & adults talk about sexual health
This study helps teens and their trusted adults have open conversations about sexual health. It's for young people ages 14 to 17 who have had oral or anal sex with another male.
Providence, Rhode IslandAges 14–17 - NCT07228598Recruiting
Biofilm on chest drains after surgery
This study looks at a thin layer of bacteria (called biofilm) that can form on chest drains after surgery. Researchers want to learn if this biofilm causes infections and which antibiotics might work best—so they can improve care for patients like you.
Samsun, SamsunAges 18 years+ - NCT07481773Recruiting
Blood test to guide antibiotic decisions in the ICU
This trial uses a new blood test (called BV test) to help doctors decide if antibiotics should be stopped or continued for ICU patients with suspected or confirmed infections. It aims to reduce unnecessary antibiotic use while keeping patients safe.
Montreal, QuebecAges 18 years+ - NCT07330427Recruiting
Health education study for infection prevention
This study tests if learning about post-exposure prophylaxis (PEP) — treatment to prevent infection after possible exposure to blood or body fluids — can improve healthcare workers' knowledge and actions. It may help protect you on the job.
AswānAges 19–55 - NCT06791525RecruitingPhase 4
Testing a new wart cream for kids ages 8 to 18
This study is testing an ointment called tirbanibulin to treat warts on the hands of children and teens. It may offer a new option if other treatments haven't worked.
New City, New YorkAges 8–18 - NCT07321808Recruiting
Shingles vaccine study for frail patients
This study tests how well the shingles vaccine works in people with weakened immune systems due to conditions like rheumatoid arthritis, cancer, or multiple sclerosis. It aims to see if the vaccine is safe and effective for these patients.
Pavia, PaviaAges Any age - NCT07222670RecruitingPhase 2
Study of INNA-051 to prevent viral respiratory illness in healthy adults
This trial tests whether INNA-051 can help prevent respiratory infections caused by viruses in healthy adults aged 18 to 45. It may be an option if you are at higher risk of catching such infections due to your living or work situation.
Baltimore, MarylandAges 18–45 - NCT07023952Recruiting
Phenol plus laser for pilonidal sinus healing study
This trial tests if adding phenol treatment to laser therapy helps the wound heal faster and better after treating pilonidal sinus (a small tunnel in the skin near the tailbone). It is for people who have this condition for the first time and have only a few sinus openings.
Istanbul, OtherAges 18 years+ - NCT05329636RecruitingPhase 1/Phase 2
Fecal microbiome transplant after H. pylori antibiotic treatment
This trial tests whether transplanting healthy gut bacteria (from fecal material) can help your recovery and gut health after you take antibiotics to clear H. pylori (a stomach germ). If you qualify, you would start with confirmed H. pylori and then follow the study steps for the transplant.
Tel AvivAges 18–70 - NCT07272122RecruitingPhase 3
Reducing flies to lower illness in camps
This trial tests a method to reduce fly populations in camp settings to see if it can lower the spread of germs that cause diarrhea. The goal is to find a low-tech way to keep families healthier.
Bunj, Maban CountyAges 1 year+ - NCT06637436Recruiting
PrEP motivation help for men who use meth
This study tests two ways to help men who were assigned male at birth and use methamphetamine stay motivated to start PrEP, a medicine that prevents HIV. You may join if you are HIV-negative or don't know your status and haven't taken PrEP recently.
Miami, FloridaAges 18 years+ - NCT07183592Recruiting
Changing IV tubing in the ICU: does less often harm?
This trial compares changing the tubing attached to central lines every 4 days versus every 7 days, to see if less frequent changes cause more infections. If you have a central line in the ICU that will stay in for at least a week, this study may help decide the safest schedule.
Saint-Pierre, La RéunionAges 18 years+ - NCT06381375Recruiting
Tuberculosis drug interaction study
This study looks at how tuberculosis medications interact with each other or with other drugs you may be taking. The goal is to make sure your treatment is as safe and effective as possible.
CairoAges Any age - NCT06638892Recruiting
PrEP study for Black cisgender women
This study tests ways to help Black cisgender women take PrEP, a daily pill that prevents HIV infection. It focuses on making PrEP work for you.
Durham, North CarolinaAges 18 years+ - NCT04166656RecruitingPhase 3
Meningococcal B vaccine testing for people without a spleen
This Phase 3 trial tests how safe and how well the immune system responds to three different meningococcal B vaccine approaches in people who do not have a spleen. It may help future adults like you choose a safer, more effective prevention strategy against meningococcal B infection.
ParisAges 18–75 - NCT06789692Recruiting
Reducing tobacco use in people with HIV
This study combines a medication to help people stop smoking with a custom mobile app, all within the Swiss HIV Cohort Study. It's designed for people living with HIV who smoke and want to quit.
Basel, BaselAges 18 years+ - NCT07672717RecruitingPhase 1
Cabotegravir and hormone interaction study for HIV prevention
This study tests how a long-acting injectable HIV prevention drug (cabotegravir) works in people who also use hormone therapy (like birth control or gender-affirming hormones). The goal is to see if the hormones affect how well the drug prevents HIV. If you are HIV-negative, use hormones, and meet other health criteria, you may be able to join.
Baltimore, MarylandAges 19 years+ - NCT06641778Recruiting
Fecal transplant for drug-resistant Klebsiella pneumonia
This trial tests whether transplanting healthy donor stool into the lungs can help treat a severe pneumonia caused by a bacteria that is resistant to many antibiotics. It may offer a new option for people whose infection is not responding to standard treatments.
Wuhan, HubeiAges 18–75 - NCT04892654RecruitingPhase 3
Doravirine plus dolutegravir switch for people with HIV
This Phase 3 study tests whether switching from a three-drug HIV regimen to a two-drug regimen (doravirine plus dolutegravir) can keep your virus levels controlled. It may help people who are stable on their current treatment explore a simpler switch under close monitoring.
LondonAges 18 years+ - NCT06102044RecruitingPhase 3
Zinc for young infants with severe infection in Tanzania
This study tests whether giving zinc supplements to very young babies (under 2 months) with severe infections helps them recover better. It takes place in Tanzania and involves adding zinc to their regular care.
Dar es SalaamAges birth–2 months
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 4,173 recruiting infectious disease studies from the U.S. registry right now, out of 7,061 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.