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
- NCT06609980RecruitingPhase 1
Fecal transplant to restore gut health in infants
This study tests whether giving a baby’s own stool back to them (after it was stored before antibiotics) can help restore healthy gut bacteria. It’s for healthy infants and toddlers up to 4 years old who haven’t recently taken antibiotics.
New Brunswick, New JerseyAges 1 month–4 years - NCT06607055Recruiting
Immune markers in ICU patients with pneumonia
This study looks at how the immune system reacts in ICU patients on a ventilator who have pneumonia. By measuring immune markers, the researchers hope to better understand and predict complications like ventilator-associated pneumonia.
Aix-en-ProvenceAges 18 years+ - NCT06602934Recruiting
Pneumonia, heart health, and your body's germs
This study looks at how pneumonia affects the long-term health of your heart and lungs by studying the germs that live in your body. It may help doctors understand why some people get worse and how to better protect your heart after a serious infection.
AngersAges 18–80 - NCT06604663Enrolling by invitation
Using data to improve HIV care in Kenya
This trial is looking at how to improve HIV care by using data and interviews to help clinics make better decisions. It doesn't require you to do anything different—your regular clinic data will be used to see how well appointments are kept.
EldoretAges 18–100 - NCT05985525Recruiting
Monitoring blood flow in ICU patients with severe infection or shock
This study monitors tiny blood vessels under the tongue using a non-invasive device to see how well blood flows in ICU patients on a breathing machine. Researchers hope to improve care for patients with serious infections or shock.
Winnipeg, ManitobaAges 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+ - NCT05431101Recruiting
Absorbable versus non-absorbable stitches after carpal tunnel surgery
This study compares two types of stitches used to close the skin after carpal tunnel release surgery. It may help show which stitch type leads to better healing and comfort afterward.
ApeldoornAges 18 years+ - NCT06585241RecruitingPhase 4
Study of Updated COVID-19 Vaccines for High-Risk Groups
This trial tests updated COVID-19 vaccines designed to better protect against current variants. It's for people who have already been vaccinated and are at higher risk for severe COVID-19.
Atlanta, GeorgiaAges 6 months+ - NCT06598319Recruiting
Pulsed field ablation for chronic rhinitis
This trial tests a new treatment that uses pulsed energy to target a nerve in the back of the nose to help with chronic rhinitis (long-term runny or stuffy nose). It is for people whose symptoms have not been controlled by nasal steroid sprays.
Colorado Springs, ColoradoAges 18–85 - NCT06586905Recruiting
A study of a new syphilis test at an Ottawa sexual health clinic
This study tests a new rapid syphilis test (Multiplo® Complete Syphilis) that can be done at a clinic. It aims to see how well it detects infectious syphilis compared to standard lab tests. You might help if you are getting syphilis testing at the clinic.
Ottawa, OntarioAges 16 years+ - NCT06586151Recruiting
HIV prevention program for gender-diverse teens
This study tests a text-message program to help prevent HIV in teens who are transgender, non-binary, or gender-diverse. It aims to see if the program can support healthy choices and reduce risk.
San Clemente, CaliforniaAges 14–18 - NCT06590428Recruiting
Tracking linezolid levels for rifampin-resistant TB treatment
This study checks if measuring the amount of linezolid medicine in your blood helps treat rifampin-resistant tuberculosis more safely and effectively. It is for people who have already started a treatment plan that includes linezolid.
East London, Eastern CapeAges 18 years+ - NCT06585020RecruitingPhase 2
Inhaled antibiotic for Mycobacterium xenopi lung infection
This trial tests an inhaled antibiotic (amikacin liposome) for people with a lung infection caused by a germ called Mycobacterium xenopi. The goal is to see if this treatment can help fight the infection with fewer side effects.
AmiensAges 18 years+ - NCT06598397RecruitingPhase 4
Quit smoking help for people with HIV in NYC
This study is testing different ways to help people with HIV quit smoking. It combines medication, coaching, and text messages to find the most affordable and effective support.
New York, New YorkAges 18 years+ - NCT06598475Recruiting
Improving HPV vaccination in Latino teens at health centers
This trial tests a program to help community health centers recommend and boost HPV vaccination rates among Latino adolescents aged 11-12. It aims to support health care providers and staff with education and resources.
Houston, TexasAges 11–17 - NCT06585358Recruiting
Precision Dosing for Pulmonary Tuberculosis
This trial tests a personalized approach to dosing the TB medicine rifampin. By using a computer model based on your individual factors, doctors hope to find the right dose for you, which may improve treatment outcomes.
LinköpingAges 18 years+ - NCT06599658RecruitingPhase 2
COVID-19 booster and flu vaccine timing for people with weak immune systems
This study tests the best timing for a COVID-19 booster and flu shot in people with weakened immune systems, such as organ transplant recipients, people living with HIV, or those with certain autoimmune conditions. It aims to help patients get better protection from both vaccines.
Montreal, QuebecAges 18 years+ - NCT06586619Recruiting
Tai chi and qigong for older adults with HIV
This study tests whether a remotely taught tai chi and qigong program can improve mood and well-being in people aged 50–75 who are living with HIV. You can join from home using a smartphone.
Miami, FloridaAges 50–75 - NCT06593756Recruiting
Heart-Lung Support and Fluid Response Study
This study watches how your body responds to fluids while on VA ECMO (a heart-lung machine). The goal is to improve care for people needing this support.
ViennaAges 18–75 - NCT06599411Recruiting
Skin biomarkers for inflammatory disease treatment
This study looks for clues in your skin and blood that could predict how well you'll respond to treatments for conditions like eczema, psoriasis, or lupus. It aims to help doctors choose the best therapy for you.
ParisAges 18 years+ - NCT06585631Recruiting
Collaborative care for young men with HIV and substance use
This study looks at how to better support young men living with or at risk for HIV while also addressing substance use. You'll work with a care team that helps you stay healthy and connected to services.
Baltimore, MarylandAges 15–29 - NCT06593080Recruiting
Testing a TB diagnosis checklist for children
This study is testing a new way to diagnose TB in children using simple symptom checklists. It aims to see if these checklists can help doctors find TB earlier and more accurately, especially in children who are very young or have other health problems.
Chingola, CopperbeltAges Up to 14 years - NCT06593717Recruiting
Monitoring blood flow in VV-ECMO patients
This study tests how doctors can monitor your blood flow and fluid needs while you are on VV-ECMO. It involves a simple maneuver where your legs are raised to see if your heart needs more fluid.
ViennaAges 18–75 - NCT03825874Recruiting
Study digestive side effects after antibiotics for UTIs in kids
This study looks at possible effects on a child’s digestive system after standard antibiotics are used to treat a fever-related urinary tract infection (UTI). It may help doctors better understand what side effects to expect and how to manage them.
Charenton-le-PontAges 3 months–3 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.