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
- NCT07160075RecruitingPhase 4
HIV prevention with PrEP for people on opioid therapy
This trial tests if daily PrEP medication can help prevent HIV in people receiving opioid replacement therapy. You must be HIV-negative and regularly attend your opioid treatment program to join.
Calgary, AlbertaAges 16 years+ - NCT07164131RecruitingPhase 4
Comparing two antibiotics for pneumonia in hospital
This trial compares azithromycin and doxycycline for adults hospitalized with community-acquired pneumonia who are already getting a beta-lactam antibiotic. It aims to see which works better as an add-on treatment.
Scottsdale, ArizonaAges 18 years+ - NCT07164742Recruiting
Recovery help for lung health after TB treatment
This study tests whether a lung rehabilitation program (like physical therapy for your lungs) can help people who recently started TB treatment breathe and feel better. You need a smartphone and must be willing to attend sessions for 48 weeks.
MangaloreAges 18 years+ - NCT07169318RecruitingPhase 1
Safety study of VNT-101 in healthy adults
This first-in-human study tests the safety of a new medicine called VNT-101. Healthy adults aged 18 to 59 who do not smoke and have no major health problems may be able to join. The goal is to see how the body handles the drug and if it is safe.
Overland Park, KansasAges 18–59 - NCT07169656Recruiting
Study on reducing liver cancer risk in hepatitis B patients
This study looks at how well different hepatitis B treatments help lower the risk of liver cancer. It's for people with chronic hepatitis B who are already using or starting certain antiviral or interferon therapies.
AnyangAges 18 years+ - NCT07170735Recruiting
Measuring TB DNA in blood and urine for diagnosis
This study looks for TB DNA in blood and urine samples to see if it can help diagnose tuberculosis (TB) more quickly. It includes people with active TB, those with a latent (hidden) TB infection, and healthy volunteers without TB.
Hong Kong, Hong KongAges 18 years+ - NCT07170748Recruiting
Testing a new blood test for HIV, hepatitis B/C, and syphilis
This study evaluates a new blood test that checks for HIV, hepatitis B, hepatitis C, and syphilis all at once. It is designed to see how well the test works in different groups of people, including those with known infections and those without.
AbidjanAges 18 years+ - NCT07170800RecruitingPhase 2
Study of JDB0131 for drug-resistant TB
This trial tests a new tablet called JDB0131 for people with tuberculosis (TB) that is resistant to the antibiotic rifampicin. The goal is to see if it can effectively treat this hard-to-treat form of TB.
Wuhan, HubeiAges 14 years+ - NCT07171099RecruitingPhase 3
Cough medicine for young children with viral colds
This trial tests if a new cough syrup (Rengalin) helps children ages 6 months to 3 years with a dry cough from a viral cold. It aims to reduce cough severity and improve comfort for your child.
GatchinaAges 6 months–3 years - NCT07172451RecruitingPhase 4
Gelaspan vs standard fluids for sepsis with belly infection
This trial tests whether a fluid called Gelaspan (a gelatin-based IV fluid) is better for treating sepsis patients who need emergency abdominal surgery than standard crystalloid fluids. It checks if you have a belly infection and high lactate levels, and you must not have serious heart, lung, or kidney problems.
Guangzhou, GuangdongAges 18 years+ - NCT07175311Recruiting
Eye changes after endophthalmitis recovery
This study looks at how blood vessels in the eye change after endophthalmitis, a severe eye infection. It may help doctors better understand recovery and improve future treatment.
Mexico CityAges 18 years+ - NCT07177417RecruitingPhase 4
How the immune system responds to FluMist in the airways
This study tests how the immune system in your nose and airways responds to the FluMist nasal spray flu vaccine. It may help doctors understand why some people get better protection from the flu.
St Louis, MissouriAges 18–40 - NCT07177729Recruiting
Tick Bite Study – Understanding Immune Reactions
This study looks at how the body reacts to tick bites, specifically to understand alpha-gal syndrome—a condition that can cause allergic reactions to red meat. If you had a recent tick bite and can provide the tick, you may be able to help researchers learn more.
LuxembourgAges 18 years+ - NCT07178860Recruiting
Lung health after TB treatment study
This study looks at your lung health and overall wellbeing after finishing treatment for tuberculosis (TB). It aims to understand how TB affects breathing and quality of life, so doctors can better support recovery.
LiverpoolAges 18 years+ - NCT07179276Recruiting
Testing CO₂ gap to guide septic shock treatment
This trial checks if measuring the carbon dioxide gap (a sign of how well blood is flowing to organs) can help doctors improve treatment for people in septic shock. Septic shock is a severe infection that causes very low blood pressure and organ damage.
AngersAges 18 years+ - NCT07181824Recruiting
Diagnosing pneumonia in ventilated ICU patients
This trial looks at how well doctors followed current guidelines to diagnose ventilator-associated pneumonia (a lung infection from a breathing tube) in ICU patients between 2022 and 2024. It aims to improve future care.
Corbeil-Essonnes, FranceAges 18 years+ - NCT07183462RecruitingPhase 4
Antibiotic treatment for late preterm water breaking
This trial tests whether a combination of two antibiotics (azithromycin and ampicillin) can help pregnant people whose water has broken between 34 and 36 weeks of pregnancy. The goal is to see if this treatment improves outcomes for both the parent and baby without causing early labor or infection.
Ramat Gan, IsraelAges 18–50 - NCT07184203Recruiting
Comparing two ways to take itraconazole for kids with scalp ringworm
This trial compares taking itraconazole continuously versus in pulses (with breaks) to treat tinea capitis (a fungal scalp infection) in children. It aims to find which method works better and is safer.
AlexandriaAges 5–18 - NCT07184827RecruitingPhase 3
U101 capsules to prevent recurring UTIs in women
This trial tests an oral capsule called U101 to see if it can prevent recurrent urinary tract infections (UTIs) in women who have frequent UTIs. If you've had at least 2 UTIs in the last 6 months or 3 in the last year, you may be able to join.
Kaohsiung CityAges 20–75 - NCT07185503Recruiting
Testing two antifungal drugs for mucormycosis with blood cancer
This trial tests a combination of two antifungal medications (liposomal amphotericin B and posaconazole or isavuconazole) to treat a serious fungal infection called mucormycosis in people with blood cancers like leukemia or lymphoma. The goal is to see if this combination is safe and works well.
DalianAges 18–65 - NCT07186244Recruiting
HIV Prevention Study for People Starting or Taking PrEP
This study is for people who are HIV-negative and want to take PrEP (a daily pill that prevents HIV). It will help researchers learn more about how to best support people taking PrEP in real-world settings.
Chieti, AbruzzoAges 18 years+ - NCT07186465RecruitingPhase 4
Preventing repeat bladder infections in postmenopausal women
This trial tests two approaches to prevent repeat bladder infections in postmenopausal women: a daily antibiotic pill or a vaginal tablet containing healthy bacteria and estrogen. The goal is to see which method works better over 6 months.
Bangkok, Phayatai RatchathewiAges 40 years+ - NCT07189208RecruitingPhase 2
Preventing syphilis during pregnancy
This study tests whether taking an antibiotic (penicillin) during pregnancy can prevent syphilis infection in women who are at higher risk. If you are pregnant and have certain risk factors, this trial may help keep you and your baby safe from syphilis.
Duque de Caxias, Rio de JaneiroAges 18–45 - NCT07189260Recruiting
Breathing exercises to prevent pneumonia after hip fracture
This trial tests whether simple breathing exercises before and after surgery can help prevent pneumonia in people with hip fractures. It is not a medication study—you'd use a small device to help you breathe deeply.
CopenhagenAges 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.