Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 4,178 recruiting studies in this area right now.
By phase
- Not applicable2,713
- Phase 2361
- Phase 4321
- Phase 1290
- 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 University31
- 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
- Maryland146
- Alabama89
- New York76
- Florida74
- Texas61
- Massachusetts56
- Arizona47
- Pennsylvania45
- Illinois42
Recruiting studies4,178 total
- NCT06918431RecruitingPhase 2
Erwinia asparaginase with chemo for new ALL or LBL
This trial tests adding an asparaginase drug to standard chemotherapy for adults with newly diagnosed acute lymphoblastic leukemia (ALL) or lymphoblastic lymphoma (LBL). The goal is to see if this combination improves outcomes.
Phoenix, ArizonaAges 18–54 - NCT06918769Recruiting
Using a new urine test to reduce unnecessary antibiotics for bladder infections
This study tests a new urine test (the UF-5000) to see if it can help doctors decide who really needs antibiotics for a bladder infection. The goal is to avoid giving antibiotics when they are not needed.
Hong Kong, Hong KongAges 18–99 - NCT06919068Recruiting
Colon camera capsule for gut bacteria in the blood
This trial tests whether a camera capsule can detect problems in the large intestine when certain gut bacteria are found in the blood. If you have one of these bacteria and are stable enough for the exam, it might help identify the source of the infection.
OdenseAges 18 years+ - NCT06919614RecruitingPhase 3
Testing STIs to Improve PrEP Use in Pregnancy
This trial tests whether STI testing during pregnancy helps more women start and stay on PrEP (a daily pill that prevents HIV). If you join, you'll help find better ways to protect both mother and baby from HIV.
GaboroneAges Any age - NCT06920628RecruitingPhase 1
Brain scan study for long COVID neurological symptoms
This study uses a special PET scan to look at brain inflammation in people with neurological symptoms after COVID-19. It aims to understand how inflammation might be linked to ongoing problems like brain fog or memory issues.
Bethesda, MarylandAges 18–70 - NCT06920979Recruiting
Home monitoring to stop sepsis from getting worse
This study tests a home monitoring system for people who come to the ER or their doctor with a serious infection that could turn into sepsis. The goal is to see if watching you at home can help catch worsening signs early and prevent hospitalization.
Edegem, AntwerpenAges 18 years+ - NCT06921993Recruiting
Study: Using Ultrasound to Guide Antibiotic Use in Childhood Pneumonia
This study tests if lung ultrasound can help doctors decide whether to use antibiotics for children with pneumonia. If your child has signs of pneumonia but is stable enough for an ultrasound, this could help avoid unnecessary antibiotics.
San Diego, CaliforniaAges 3–10 - NCT06922344RecruitingPhase 4
Fluconazole vs Itraconazole for Pityriasis Versicolor
This study compares two common antifungal pills, fluconazole and itraconazole, to see which works better for treating pityriasis versicolor, a skin condition that causes discolored patches. If you have this condition and are generally healthy, you may be able to join.
Peshawar, KPKAges 18–50 - NCT06923592RecruitingPhase 3
Blood test and treatment for vivax malaria in Ethiopia and Madagascar
This trial tests whether using a blood test to find and treat people infected with a type of malaria called Plasmodium vivax can reduce the spread of the disease. It may help you and your community stay healthier.
Addis AbabaAges 1 year+ - NCT06926192Recruiting
Secukinumab plus surgery for moderate to severe hidradenitis suppurativa
This trial tests whether combining the drug secukinumab with surgery can help people with moderate to severe hidradenitis suppurativa (HS). It looks at how well this combination works and if it is safe over a year.
Nanjing, JiangsuAges Up to 80 years - NCT06927622Recruiting
COVID-19 study for pregnant women and infants
This study follows pregnant women and their babies to learn more about COVID-19 and how it affects them. By taking part, you help researchers understand the virus and improve care for mothers and children.
Jinan, ShandongAges 18 years+ - NCT06927856Recruiting
Test-to-PrEP study: connecting with friends about HIV testing and PrEP
This study looks at whether people already taking PrEP (a daily pill to prevent HIV) can share HIV self-test kits and PrEP information with friends or others in their social network. It may help you if you are on PrEP and want to help others learn about HIV prevention.
Miami, FloridaAges 18 years+ - NCT06928272RecruitingPhase 3
Long COVID drug study for adults 18 to 65
This study tests whether a commonly used drug (repurposed) can help improve Long COVID symptoms like fatigue, breathing problems, or brain fog. It is for adults 18 to 65 who had COVID-19 in the past 4 years and still have symptoms after 3 months.
San Diego, CaliforniaAges 18–65 - NCT06928259Recruiting
A study of hepatitis C treatments and other medications
This trial looks at how two hepatitis C treatments (GLE/PIB or SOF/VEL) interact with other drugs or recreational substances. It may help doctors understand how to better manage treatment for people taking multiple medications.
CadizAges Any age - NCT06928506Recruiting
Study of Hi-OxSR for Long COVID treatment
This study tests whether a treatment called Hi-OxSR can help with lingering symptoms of Long COVID, especially problems with thinking and memory. You may be eligible if you've had COVID-19 at least 3 months ago and still have ongoing symptoms that affect your thinking.
Edmonton, AlbertaAges 18 years+ - NCT06928480Recruiting
Unified Protocol for Emotional Health in Long COVID
This study tests a program to help people with Long COVID manage emotional difficulties like depression or anxiety. It combines different therapy approaches into one treatment, which you can receive online from home.
Zaragoza, ZaragozaAges 18 years+ - NCT06928649Recruiting
Studying cell damage in critically ill ICU patients
This trial looks at specific cell damage processes (called ferroptosis and pyroptosis) in very sick ICU patients. The goal is to learn more about these processes so doctors can better treat life-threatening organ failure caused by conditions like sepsis, trauma, or severe bleeding.
EdegemAges 18 years+ - NCT06928753RecruitingPhase 4
Chikungunya vaccine study in La Réunion
This study is for people who are eligible for the chikungunya vaccine in La Réunion. It looks at how well the vaccine works in real life, if it’s safe, and how your body responds to it.
Saint-DenisAges 18 years+ - NCT06931002Recruiting
Cold virus study in bronchiectasis and healthy volunteers
This study tests whether giving a common cold virus (rhinovirus) to people with bronchiectasis and healthy volunteers can trigger a lung flare-up. It aims to understand how the immune system responds and what causes exacerbations, which could lead to better treatments.
LondonAges 18–65 - NCT06932237Recruiting
Immune causes of long COVID brain symptoms in veterans
This study is for veterans who have long COVID with brain or nerve symptoms. It looks at how the immune system may be causing these ongoing symptoms.
Portland, OregonAges 18–80 - NCT06932523RecruitingPhase 1/Phase 2
Shingles vaccine study for healthy adults
This trial tests a new shingles vaccine for healthy adults 40 and older. It aims to see if the vaccine is safe and helps protect against shingles.
Wuhan, HubeiAges 40 years+ - NCT06933173Recruiting
Mind-body therapy for Long COVID and ME/CFS
This trial tests whether a specific mind-body program can help people with Long COVID or ME/CFS feel better. It compares the program to standard care to see if it improves symptoms like fatigue and brain fog.
Calgary, AlbertaAges 18 years+ - NCT06933420Recruiting
Study of a curcumin insert for vaginal infection
This trial tests a vaginal insert containing curcumin for treating bacterial vaginosis or a yeast infection. You may qualify if you have symptoms and a lab-confirmed diagnosis.
Irvine, CaliforniaAges 18 years+ - NCT06936631Recruiting
Comparing catheter replacement in urinary tract infections
This study tests whether replacing a urinary catheter early during a catheter-related infection leads to better outcomes than keeping it in place. It may help people who have had a catheter for at least two weeks and develop a urinary tract infection.
Leiden, South HollandAges 18 years+
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 4,178 recruiting infectious disease studies from the U.S. registry right now, out of 7,113 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.