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 applicable2,709
- Phase 2361
- Phase 4321
- Phase 1292
- Phase 3286
- 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
- California237
- Maryland147
- Alabama89
- New York77
- Florida74
- Texas61
- Massachusetts56
- Arizona46
- Pennsylvania45
- Illinois42
Recruiting studies4,175 total
- NCT05989750Recruiting
Air-Polishing Teeth Cleaner During Braces Treatment
This study tests a special air-polishing cleaning method using erythritol (a gentle powder) during braces treatment. It may help keep teeth and gums healthier while you have braces.
Geneva, Canton of GenevaAges 12–16 - NCT05989802Recruiting
Testing new TB tests for children
This study is testing new ways to quickly diagnose TB in children under 15. It aims to find better tests that can be used at clinics, especially for kids who may not have obvious symptoms.
MaputoAges Up to 65 years - NCT05990881RecruitingPhase 3
Botox injection for thumb arthritis pain
This study tests if injecting Botox into the thumb joint can reduce pain and stiffness from thumb base arthritis when usual treatments like pills and splints haven't helped enough.
Providence, Rhode IslandAges 18 years+ - NCT05990491Recruiting
Pituitary function after recovery from septic shock in ICU survivors
This study checks how well the pituitary gland (a small gland in your brain that controls hormones) works after you recover from a severe infection that caused dangerously low blood pressure (septic shock). It aims to see if the gland was affected during your ICU stay.
Lucknow, Uttar PradeshAges 18–80 - NCT05991219Recruiting
Rheumatic heart disease screening and prevention study
This study is looking for people living in rural areas of Sindh, Pakistan, to help screen for and prevent rheumatic heart disease. It aims to find and treat the condition early.
Karachi, SindhAges 10–30 - NCT05993442Recruiting
Skin-to-skin care to reduce infections in early babies
This study is testing if giving more skin-to-skin care (called Kangaroo Care) to very early-born babies in the NICU can reduce serious infections and the spread of resistant bacteria. It is for babies born before 32 weeks in certain hospitals.
AthensAges Up to 7 months - NCT05994976Recruiting
Collecting skin samples from people with skin conditions
This study collects skin samples (like small biopsies or swabs) from people with certain skin conditions and from healthy volunteers. The samples help researchers learn more about these conditions and may lead to better treatments.
Montreal, QuebecAges 18 years+ - NCT05995106Recruiting
Mobile app for high blood pressure in pregnancy
This study tests a mobile health app to help manage high blood pressure during pregnancy. It's for pregnant women 18+ with high blood pressure or at high risk, who can use a smartphone.
Seongnam-si, Gyeonggi-doAges 18 years+ - NCT05996016Recruiting
Gut and vaginal bacteria in HIV-positive women
This study looks at the types of bacteria living in the gut and vagina of women with HIV, including pregnant women. It aims to understand how these bacteria might affect health.
Beijing, Beijing MunicipalityAges 14 years+ - NCT05999851Recruiting
Maternal blood vessel health in pregnancy
This study looks at how well your blood vessels work during pregnancy to help predict high blood pressure disorders. If you join, you will have extra monitoring and blood tests.
BolognaAges 18–65 - NCT06000761Recruiting
Mouth care with human milk for premature babies
This trial is testing whether giving gentle mouth care with human milk to very premature babies in the NICU can help their health. It focuses on babies born early and with low birth weight whose mothers can provide milk.
Gainesville, FloridaAges 1 hour–3 days - NCT06001814Recruiting
Mindfulness program for heart health in older adults with HIV
This study tests whether a mindfulness and behavior change program can help older adults with HIV improve their heart health. It combines phone-based coaching and text messages to reduce stress and manage heart risk factors like high blood pressure and diabetes.
Boston, MassachusettsAges 50 years+ - NCT06003192Recruiting
Screen Smart: Boosting HIV testing in teens
This trial tests a digital health tool to help increase HIV screening and prevention among teenagers visiting the emergency department. If you are 15 to 21 years old, you may be able to join and help improve how we offer these services.
Columbus, OhioAges 15–21 - NCT06003816Recruiting
7-day cholera water, sanitation, and hygiene help at home
This trial offers a 7-day program to help cholera patients who don't have running water at home. It provides tools and guidance on water, sanitation, and hygiene to stop cholera from spreading.
DhakaAges Any age - NCT06004011Recruiting
Cancer workforce roles for people living with HIV
This study looks at a program to help people living with HIV take on cancer-fighting roles (like caregiving or support workers). It follows volunteers for 3 years and checks how well the program works for them and their community.
LusakaAges 15–39 - NCT06004739Recruiting
Antibiotics for older adults with delirium and abnormal urine tests
This trial tests whether giving antibiotics helps older adults in the hospital who have delirium (sudden confusion) and signs of bacteria in their urine but no clear urinary infection. It aims to see if treatment can improve confusion and avoid unnecessary antibiotics.
Chicago, IllinoisAges 60 years+ - NCT06005246Recruiting
Munich ME/CFS Study for Young People
This study is tracking children, teens, and young adults (up to age 25) who developed ME/CFS after an infection. It aims to better understand the condition in younger people.
Munich, BavariaAges Up to 25 years - NCT06005298Recruiting
Testing SBIRT to help with PrEP and alcohol use
This study looks at whether talking about alcohol use can help people stick with their PrEP routine. It tests a simple program called SBIRT (Screening, Brief Intervention, and Referral to Treatment) to support your health and HIV prevention.
Louisville, KentuckyAges 18–85 - NCT06006429Recruiting
Using a scanner to check teeth and gums
This study tests if a special intraoral scanner can help dentists find gum problems and tooth issues. If you have receding gums, you may be able to join.
ReimsAges 18 years+ - NCT06006884Recruiting
Understanding long-term lung effects after COVID-19
This study looks at why some people develop long-term lung problems after COVID-19. It compares people who had severe COVID-19 and were hospitalized to those who had mild infections and recovered at home.
Rochester, MinnesotaAges 18 years+ - NCT06007534Recruiting
Doxycycline for STI Prevention After Sex
This study looks at how a single 200 mg dose of doxycycline works in the body to prevent bacterial sexually transmitted infections (like chlamydia, gonorrhea, and syphilis) after a risky sexual encounter. It is for men who have sex with men and are already on PrEP or living with HIV.
ParisAges 18–100 - NCT06008860RecruitingPhase 4
Astepro nasal spray for early COVID-19
This trial tests whether Astepro nasal spray can help people with mild or no COVID-19 symptoms recover faster. If you have tested positive and are vaccinated, you may qualify.
Chicago, IllinoisAges 18 years+ - NCT06012019Recruiting
Gum Disease and Inflammation Study
This study looks at gum disease (periodontitis and gingivitis) and inflammation using blood and dental samples. It may help researchers understand how inflammation affects gum health.
Ivry-sur-SeineAges 18 years+ - NCT06012552RecruitingPhase 2
Tianeptine for COVID-19 brain fog
This study tests whether the medication tianeptine can improve brain fog and thinking problems that persist after COVID-19. It may help if you are 18 or older, have had COVID-19, and have noticed new memory or concentration issues.
WarsawAges 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 7,076 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.