Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 3,961 recruiting studies in this area right now.
By phase
- Not applicable2,540
- Phase 2357
- Phase 4303
- Phase 1287
- Phase 3283
- Phase 1/Phase 2132
- 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
- M.D. Anderson Cancer Center21
Where studies are running
- California234
- Maryland142
- Alabama92
- New York73
- Florida72
- Texas62
- Massachusetts55
- Arizona48
- Pennsylvania43
- Illinois41
Recruiting studies3,961 total
- NCT06928116Recruiting
Heat therapy and exercise for COVID-19 recovery
This study tests whether heat therapy (using warm temperatures) combined with a leg exercise program can help improve fatigue and physical function in people who have had COVID-19 and still feel symptoms like tiredness or reduced mobility.
Omaha, NebraskaAges 50–90 - NCT06929962RecruitingPhase 4
VA dual sequential therapy for H. pylori gastritis
This trial tests a new two-step antibiotic treatment for adults with chronic gastritis caused by H. pylori bacteria. If you have not been treated for H. pylori before and are between 18 and 70, you may be able to join.
Nanjing, JiangsuAges 18–70 - 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+ - 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 - NCT06928753RecruitingPhase 4
Chikungunya vaccine study in Reunion and French Guiana
This study looks at how well the chikungunya vaccine works in real life, how safe it is, and how the body's immune system responds. It is for adults who are eligible for the vaccine according to French health guidelines.
CayenneAges 18 years+ - NCT06926894RecruitingPhase 1
A cell therapy for viral infections in children and young adults
This trial tests a special immune cell treatment (R-MVST cells) for children and young adults who have had a stem cell or organ transplant and are fighting stubborn viral infections like EBV, CMV, ADV, or BK virus. The goal is to see if these cells can help control the viruses when standard medicines haven't worked well enough.
New York, New YorkAges 3 months–26 years - NCT06923280Recruiting
Sequential Pegylated Interferon After RNA-Targeted Hepatitis B Therapy
This trial tests a sequence of pegylated interferon (PEG-IFN) shots for people with chronic hepatitis B who have already had a significant drop in their virus levels after taking a newer type of RNA-targeting medicine. The goal is to see if this approach can help clear the virus even further.
Beijing, ChinaAges 18–80 - 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+ - NCT06927466RecruitingPhase 1
B019 for relapsed or refractory B-cell acute lymphoblastic leukemia
This trial tests a new treatment called B019 for people whose B-cell acute lymphoblastic leukemia has come back or not responded to standard therapy. The treatment targets specific proteins on the cancer cells to help your immune system fight the leukemia.
BeijingAges 3–25 - NCT06925321RecruitingPhase 3
Testing Fosmanogepix for Serious Mold Infections
This trial tests a new drug, Fosmanogepix, for treating serious mold infections that are hard to treat with current medicines. It may be an option for people with limited treatment choices.
Birmingham, AlabamaAges 18 years+ - NCT06001333Recruiting
Fecal transplant to clear superbugs from the gut
This study tests whether a fecal transplant (FMT) can remove certain antibiotic-resistant bacteria from your gut. It might help people who carry superbugs like CPE or VRE but aren't currently on antibiotics.
Chuncheon, Gangwon-doAges 20 years+ - NCT05780099Recruiting
Study of patients treated in internal medicine clinics
This observational study follows people receiving care in Internal Medicine at San Raffaele Hospital to better understand what kinds of conditions they have. It does not test a new treatment, but your information may help improve future care.
MilanAges 18 years+ - 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 - NCT06916195Recruiting
CMV virus reactivation in kids after stem cell transplant
This study looks at how often a common virus (CMV) becomes active again in children after a stem cell transplant from a donor. It will help doctors understand more about this risk and how to manage it.
GenovaAges birth–18 years - NCT06919913Recruiting
Probiotics for joint infection surgery
This study tests if taking probiotics before and after surgery can help your immune system fight infection in a hip or knee replacement. You would be given a probiotic or a placebo alongside your standard treatment.
New York, New YorkAges 18–90 - NCT06921213RecruitingPhase 2
Oral antibiotics for newborns exposed to syphilis
This study tests whether giving oral antibiotics at home is as safe and effective as the usual injections for newborns exposed to syphilis during pregnancy. It is for babies who appear healthy at birth.
JakartaAges birth–1 week - NCT06916481Recruiting
Pneumonia subtypes based on lung bacteria
This study looks at the germs in your lungs to understand why some people's pneumonia doesn't get better with standard antibiotics. If you are hospitalized with pneumonia and have just started treatment, you may be asked to provide a sputum sample so researchers can study your lung microbiome.
ClichyAges 18 years+ - 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 - NCT06912477Recruiting
Blood vessel health in preeclampsia prognosis
This study looks at blood vessel function in pregnant people with preeclampsia to see if it can help predict outcomes. It involves non-invasive measures and routine blood tests.
HeidelbergAges 18 years+ - NCT06912347Enrolling by invitation
Herbal therapy to prevent infection after stem cell transplant
This trial tests whether a special herbal treatment applied to the skin can help prevent infections around the bottom that are caused by diarrhea after a stem cell transplant. It may be an option for people who are getting a transplant for the first time.
Shanghai, Shanghai MunicipalityAges 14–70 - 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 - 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 - NCT06915324Recruiting
Electric brain stimulation for Lyme disease cognitive issues
This study tests if a gentle electrical current applied to the scalp can improve thinking problems (like slow processing speed) that continue after Lyme disease treatment. It could help you if you have mental fog or memory trouble that hasn't gone away with antibiotics.
San Francisco, CaliforniaAges 18–70
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 3,961 recruiting infectious disease studies from the U.S. registry right now, out of 6,600 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.