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 applicable2,710
- Phase 2360
- Phase 4321
- Phase 1291
- 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 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
- California236
- Maryland147
- Alabama89
- New York76
- Florida74
- Texas61
- Massachusetts56
- Arizona46
- Pennsylvania45
- Illinois42
Recruiting studies4,175 total
- NCT06607419RecruitingPhase 2/Phase 3
Blinatumomab for leftover leukemia in children with B-ALL
This trial tests whether a drug called blinatumomab can clear leftover leukemia cells in children with B-cell acute lymphoblastic leukemia (B-ALL) who still have traces of disease after standard treatment. It aims to reduce the chance of relapse.
Hefei, AnhuiAges 1 month–18 years - NCT06607887RecruitingPhase 4
Antibiotics after gallbladder surgery
This trial tests whether taking antibiotics after laparoscopic gallbladder removal helps prevent infection. It aims to find out if antibiotics are needed for patients without certain health conditions.
MinyaAges 18 years+ - NCT06608199RecruitingPhase 3
Pneumonia vaccine study for healthy infants
This study tests a new pneumonia vaccine (PCV13) in healthy infants to see if it works as well as a current vaccine. It compares the immune response and safety of the two vaccines.
Denpasar, BaliAges 1 month–2 months - NCT06608732RecruitingPhase 2
CAR-T therapy plus stem cell transplant for B-cell ALL with MRD
This trial tests a combination of a CAR-T cell therapy (Inaticabtagene Autoleucel) followed by your own stem cells being transplanted back into you. It is for teenagers and adults who have B-cell acute lymphoblastic leukemia (ALL) that is in first complete remission but still has tiny amounts of cancer cells (called MRD) that can be detected by sensitive tests.
Tianjin, Tianjin MunicipalityAges 16–70 - NCT06608849Recruiting
Long-term health effects after COVID-19
This study looks at how COVID-19 may affect the lungs, heart, and kidneys in the months or years after the infection. It compares three groups: people who never had COVID, people who had COVID but recovered without organ problems, and people who had organ problems during COVID. The goal is to understand what long-term complications might arise.
AthensAges 18 years+ - NCT06610721Recruiting
Better UTI diagnosis for older adults
This trial tests a panel of markers in urine to see if it can more accurately diagnose urinary tract infections in people aged 65 and older. If successful, it could lead to faster and more precise treatment.
Leiden, South HollandAges 65 years+ - NCT06611111RecruitingEarly Phase 1
Ceftriaxone for lingering fatigue after Lyme disease
This study tests whether a short course of a strong antibiotic (ceftriaxone) can help people who still have fatigue and other symptoms after being treated for Lyme disease. It aims to see if this treatment can improve your quality of life.
East Syracuse, New YorkAges 18–75 - NCT06612229Recruiting
Bile leaks after surgery for liver echinococcosis
This study looks at how bile leaks (fistulas) happen after surgery for liver echinococcosis, a parasitic infection. It aims to improve understanding and treatment to help patients recover better.
TashkentAges 18 years+ - NCT06612554Recruiting
Zinc supplements for HIV patients with low CD4 counts
This trial tests whether taking zinc supplements helps HIV patients who have low CD4 cell counts even when their virus is well-controlled. If your zinc levels are normal but your immune cells are slow to recover, this might be for you.
BarcelonaAges 18 years+ - NCT06613256Recruiting
Study of blood vessel cells in different inflammatory conditions
This study looks at blood vessel cells in three groups: healthy adults, patients having major surgery, and critically ill patients with sepsis. It aims to understand how these cells change in different types of inflammation.
Guildford, SurreyAges 18 years+ - NCT06613503Recruiting
AI device to prevent urinary infections in bedridden women
This study tests if an AI-powered device can reduce urinary tract infections in women who are bedridden and have bladder or bowel incontinence. The device is worn to monitor and support care.
TaichungAges 20 years+ - NCT06614088Recruiting
Calprotectin blood test for belly infections after surgery
This trial tests whether a blood test called calprotectin can help doctors spot infections in surgical patients with belly problems. It may help doctors decide if you need antibiotics or other treatments.
PisaAges 18 years+ - NCT06614309Recruiting
Non-invasive treatment for brain fog from long COVID
This study tests a non-invasive treatment to help with brain fog caused by long COVID. It may improve your symptoms if you have trouble thinking clearly or focusing.
Scottsdale, ArizonaAges 18 years+ - NCT06614829Recruiting
C-section wound closure: standard vs. a new skin closure system
This study compares two types of wound closure after a planned C-section to see which one patients prefer and how it affects healing. It uses a special skin closure system that may reduce scarring and improve your recovery experience.
North York, OntarioAges 18 years+ - NCT06615232Recruiting
Vaginal washing study for cervical health
This study looks at how vaginal washing (cleaning inside the vagina) might affect inflammation in the cervix. If you wash inside your vagina, you may be able to take part and help us learn more about its effects on your body.
MombasaAges 18–50 - NCT06616753Recruiting
Vaccine knowledge study for hospitalized patients
This study looks at what patients at Melun Hospital know about their vaccines and how they feel about vaccination. It aims to improve communication around vaccination.
Melun, Seine Et MarneAges 18 years+ - NCT06617715RecruitingPhase 3
Pneumonia vaccine trial for infants and children
This trial tests a 13-valent pneumococcal conjugate vaccine to prevent pneumonia and serious infections caused by pneumococcus bacteria. It may be a good option if your child has never had a pneumococcal vaccine before.
Zhengzhou, HenanAges 1 month–5 years - NCT06618573RecruitingPhase 2/Phase 3
Can isoniazid prevent TB in lupus patients?
This study tests if taking the TB prevention medicine isoniazid is safe for people with lupus (SLE). It may help protect you from getting tuberculosis while managing your lupus.
Bandung, West JavaAges 18–55 - NCT06618989Recruiting
Predicting serious bacterial infection in febrile infants
This trial is testing a new blood test to help doctors tell which babies under three months with fever are at risk for a serious bacterial infection. If successful, it could help avoid unnecessary antibiotics and hospital stays.
Paris, FranceAges 1 week–3 months - NCT06619288Recruiting
HIV treatment study comparing B/F/TAF to older drugs
This study tests a newer HIV medication, B/F/TAF, as a first-line treatment. It compares B/F/TAF with older combinations (TDF+3TC+EFV or DTG/3TC) to see how well it works for people who have never taken HIV meds.
Nantong, JiangsuAges 18 years+ - NCT06619561RecruitingPhase 2
Testing vimseltinib for chronic graft versus host disease
This trial tests a new drug called vimseltinib for people with active chronic graft versus host disease (cGVHD) that hasn't gotten better after at least two prior treatments. The goal is to see if vimseltinib can help control the condition.
Duarte, CaliforniaAges 18 years+ - NCT06620185Recruiting
Flu immunity study: Vaccination and infection in lungs
This study looks at how your lungs and lymph nodes respond to flu infection and the nasal flu vaccine. It will help researchers understand how to create better protection against the flu.
LondonAges 18–55 - NCT06623071Recruiting
HBV viral load test validation study
This study is testing a new blood test that measures the amount of hepatitis B virus (HBV) in your body. It helps see if the test works as well as current approved tests.
Frépillon, Ile de FranaceAges 18 years+ - NCT06624215Recruiting
Acute Appendectomy Study Comparing Robotic and Laparoscopic Surgery
This study looks back at records of adults who had emergency appendix surgery (robotic or laparoscopic) for acute appendicitis. It aims to compare outcomes of different surgical approaches to help doctors choose the best option.
Columbus, OhioAges 22 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 7,094 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.