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
- NCT06652776Enrolling by invitation
Italian COPD patient registry study
This study is creating a registry to better understand Chronic Obstructive Pulmonary Disease (COPD) in Italian patients. It will collect information from people with COPD to improve care and research.
Milan, MilanAges 40 years+ - NCT06647290Recruiting
Wound care after pilonidal sinus surgery
This trial compares different ways to care for the wound after pilonidal sinus surgery. It aims to find the best method to help you heal faster and avoid the problem coming back.
CastlebarAges 18 years+ - NCT06645106Recruiting
Rapid syphilis testing for pregnant patients in the ER
This trial offers quick, on-the-spot syphilis testing for pregnant people who come to the emergency department or obstetrical triage and haven't had prenatal care or a syphilis test yet during this pregnancy. It aims to make testing easier and faster so you can get care if needed.
Houston, TexasAges 18–50 - NCT06650501RecruitingPhase 4
Comparing two blood thinners for staph bloodstream infections
This study compares two types of blood thinners (dabigatran vs. a common Xa inhibitor like apixaban) in people with a staph infection in their blood. The goal is to see which is safer and works better.
St. John's, Newfoundland and LabradorAges 18 years+ - NCT03323112Recruiting
Studying immune responses to seasonal flu shots in health workers
This study looks at how your immune system (your body’s infection-fighting system) responds after you get the seasonal flu vaccine. It may help researchers understand what the vaccine triggers in people working in healthcare and labs.
HelsinkiAges 18–64 - NCT06632600RecruitingPhase 2
Study of LXE408 for people with chronic Chagas disease
This trial tests a new drug called LXE408 for people with chronic Chagas disease. It aims to see if the drug is safe and effective, and participants will also receive standard treatment with benznidazole.
Sylmar, CaliforniaAges 18–60 - NCT06636890Enrolling by invitation
Testing a new method for detecting certain bacteria in lung infections
This study checks if a special test (Xpert Carba-R) can find a type of drug-resistant bacteria, called CRE, in fluid from the lungs and in rectal swabs. It might help doctors treat lower respiratory tract infections more effectively.
Nanjing, JiangsuAges 18–90 - NCT06643247Recruiting
Electroacupuncture for shingles pain and immune response
This study tests if electroacupuncture can help calm the immune system and reduce shingles pain. It is for women aged 50–70 who have had a shingles rash for 7 days or less and have not yet taken any medication for their shingles.
Hangzhou, ZhejiangAges 50–70 - NCT06635525Recruiting
How kidney failure affects your flu shot response
This study looks at how well the flu vaccine works in people with kidney failure who are on dialysis compared to healthy people. It will help doctors understand how kidney problems affect the body’s immune response to vaccination.
MilanAges 18–70 - NCT06639932Recruiting
Wellness intervention for Chinese male couples with different HIV status
This study tests a wellness program for male couples in Hong Kong where one partner is HIV-positive and the other is HIV-negative. It aims to help couples improve their relationship and health together.
Xiamen, FujianAges 18 years+ - NCT06634069RecruitingPhase 2
Testing a new approach for septic shock patients
This trial tests a special fluid management strategy for people in septic shock—a serious infection that causes very low blood pressure. It aims to improve blood flow to organs and help you recover.
Pilsen, Czech RepublicAges 18–90 - NCT06638320Recruiting
Hepatitis Delta Risk Study in Hepatitis B Patients
This study looks for hepatitis delta virus (a virus that only affects people with hepatitis B) in patients who have chronic hepatitis B. Researchers want to understand how common this co-infection is and which patients are at highest risk.
Hà Nội, Northern VietnamAges 16 years+ - NCT06640296Enrolling by invitation
Study on fungal infection prevention with liposomal amphotericin B
This trial looks at how a specific antifungal medicine, called liposomal amphotericin B, given over a longer period, helps prevent serious fungal infections in people undergoing treatment for cancer or receiving a stem cell transplant. It may be an option if you are at high risk for these infections.
GenoaAges Up to 18 years - NCT06637332RecruitingPhase 4
Comparing two drugs for MRSA bloodstream infections
This trial compares two antibiotics, vancomycin and daptomycin, to see which works better for treating MRSA bacteria in the blood. Patients are randomly assigned to one of the drugs and will be monitored closely for results and side effects.
Blacktown, New South WalesAges 18 years+ - NCT06639854Recruiting
CMV immunity test to guide antiviral prevention after transplant
This trial uses a blood test to measure your immune system's ability to fight CMV, a common virus after transplant. The results will help your doctors decide if you can safely stop taking the antiviral medication letermovir earlier to avoid unnecessary side effects.
Houston, TexasAges 18 years+ - NCT06638892Recruiting
PrEP study for Black cisgender women
This study tests ways to help Black cisgender women take PrEP, a daily pill that prevents HIV infection. It focuses on making PrEP work for you.
Durham, North CarolinaAges 18 years+ - NCT06637436Recruiting
PrEP motivation help for men who use meth
This study tests two ways to help men who were assigned male at birth and use methamphetamine stay motivated to start PrEP, a medicine that prevents HIV. You may join if you are HIV-negative or don't know your status and haven't taken PrEP recently.
Miami, FloridaAges 18 years+ - NCT06636669Enrolling by invitationPhase 4
Probiotics to prevent repeat joint infection after replacement surgery
This trial tests whether taking probiotics can help prevent another infection in people who have had a hip or knee replacement that became infected. If you are scheduled for revision surgery due to an infection, this study may be a good fit.
Boston, MassachusettsAges 18–90 - NCT06643039Recruiting
Study on hospital-acquired respiratory virus infections
This trial looks at respiratory viruses caught in the hospital. If you are an adult patient or healthcare worker with flu-like symptoms that started while in the hospital, you may help researchers learn more about these infections.
BordeauxAges 18 years+ - NCT05967871RecruitingPhase 1
Testing poop-based therapy for kids with SIBO
This early study tests whether fecal microbiota transplant (a stool donation placed into the gut) is safe and practical for children with small intestinal bacterial overgrowth (SIBO). It may help reduce SIBO symptoms, but the main goal is to see if the treatment and study steps work well.
Hamilton, OntarioAges 3–18 - NCT06624839RecruitingPhase 2
HPV vaccine study for people with and without HIV
This study tests how well the Gardasil 9 HPV vaccine works in people assigned male at birth, including those with HIV and those taking hormone therapy. Results could help protect against HPV-related cancers.
Washington D.C., District of ColumbiaAges 18–70 - NCT06624631RecruitingPhase 4
Malaria treatment study for children with severe anemia
This study tests a malaria treatment called PDMC in children under 10 who are in the hospital with severe anemia or severe malaria. It aims to see if this treatment can help prevent further health problems.
KisumuAges Up to 9 years - 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 - NCT06624540Recruiting
Reducing pneumonia in ICU patients through evidence-based nursing
This trial tests whether teaching nurses proven methods can lower the rate of ventilator-associated pneumonia (a lung infection from breathing machines) in intensive care. It aims to improve care for patients on ventilators.
DhakaAges 18 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.