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
- NCT06814223RecruitingPhase 4
Can antibiotics prevent catheter infections in dialysis patients?
This study tests if giving antibiotics before placing a dialysis catheter can prevent infections. It may help people with heart conditions or those who need a catheter in the leg.
Nahariya, IsraelAges 18 years+ - NCT06814275Recruiting
Brain health study for HIV+ stimulant users
This study uses brain scans to understand how stimulant use affects the brain in people with HIV who are on treatment. It may help find ways to improve brain health.
Winston-Salem, North CarolinaAges 18–59 - NCT06815250Recruiting
Boosting maternal vaccine knowledge and uptake: The InTroDuce-Programme
This trial tests a programme to help pregnant women learn about and get flu and Tdap vaccines. It aims to increase vaccination rates and improve health for mothers and babies.
Bandar Baru Bangi, SelangorAges 18 years+ - NCT06815588Recruiting
Better TB tests and treatment for children
This study tests new ways to diagnose and monitor tuberculosis (TB) in children under 15 who might have TB in their lungs. The goal is to improve how we find and treat TB so children get better faster.
Bucharest, BUCAges birth–14 years - NCT06815822Recruiting
Preventing hernias after emergency surgery
This study tests a way to prevent hernias after emergency belly surgery. If you are having emergency surgery for certain conditions, you may be able to join.
KielceAges 18–100 - NCT06817889RecruitingPhase 2
Remdesivir for RSV in people with weak immune systems
This trial tests if remdesivir can safely treat RSV (a respiratory virus) in people with weakened immune systems, such as those who have had a stem cell or bone marrow transplant, CAR T-cell therapy, or are being treated for blood cancer. If you have a confirmed RSV infection in your nose or throat and are at moderate or high risk for complications, you may be able to join.
Duarte, CaliforniaAges 18 years+ - NCT06819176RecruitingPhase 1
Adding lenacapavir to disrupt HIV reservoirs in suppressed people
This trial tests whether adding a new long-acting drug, lenacapavir, to your current HIV treatment can reduce the hidden HIV that remains in your body even when standard treatment keeps the virus undetectable. The goal is to see if this can lead to better control of HIV over time.
Bethesda, MarylandAges 18–75 - NCT06819410Recruiting
Comparing antifungal treatments for invasive fungal disease
This trial studies two types of antifungal medicines (amphotericin B and azoles) to see which works better for people with invasive fungal disease. It aims to help doctors choose the safest and most effective treatment.
Chengdu, SichuanAges Any age - NCT06819449Recruiting
Gene Study for Leprosy Prognosis
This study looks at whether a specific gene (Rab 32) affects how leprosy progresses. It may help doctors better predict outcomes for people with leprosy.
QinaAges 5–60 - NCT06821113Recruiting
COVID-19 prevention program for Latino day laborers
This trial tests a program adapted for Latino day laborers to help prevent COVID-19. It aims to see if the program works for people who look for work at street corners.
Houston, TexasAges 18 years+ - NCT06821126RecruitingPhase 1/Phase 2
Nasal spray COVID-19 vaccine booster study for healthy adults
This study tests a new nasal spray COVID-19 vaccine to see how it compares to an mRNA booster shot. It is for healthy adults who have already had at least 3 doses of an mRNA COVID-19 vaccine (or 2 doses plus a confirmed COVID infection) and are looking for a needle-free booster option.
DijonAges 18–60 - NCT06821880Recruiting
Tracking infections and quality of life in blood cancer patients
This study uses a smartphone or web app to track infections and quality of life in people with multiple myeloma or chronic lymphocytic leukemia who have a weakened immune system. The goal is to create a better screening tool for infections and understand how the disease and treatment affect daily life.
Innsbruck, TyroliaAges 18 years+ - NCT06822465Recruiting
Gut bacteria study in critically ill patients
This study looks at the bacteria in the gut of people who are very ill in the hospital. It may help doctors understand how gut health affects recovery.
Hyde Park, IllinoisAges 18–85 - NCT06822478RecruitingPhase 3
Arnica tincture for treating cutaneous leishmaniasis
This trial tests whether arnica tincture (a plant extract) can treat cutaneous leishmaniasis, an infection causing skin ulcers. It compares arnica to a standard injected treatment and looks at how well each works and how safe they are.
Medellín, AntioquiaAges 12 years+ - NCT06822907RecruitingPhase 4
Testing pneumococcal vaccine during a fever in adults
This trial tests if a pneumococcal vaccine (PCV-20) is safe and works well when given to adults during a fever. It may help protect people with certain health conditions from serious pneumococcal infections.
Saint-Etienne, FranceAges 18–85 - NCT06823596Recruiting
HIV treatment study switching to efavirenz
This study tests whether switching to a medication called efavirenz can help control HIV. It is for people who have been on stable HIV treatment for years but still have low levels of virus in their blood.
Toronto, OntarioAges 18–89 - NCT06824350Recruiting
Chlorine in water to prevent newborn infections
This trial tests whether adding a small amount of chlorine to the drinking water at public health facilities can reduce infections (including those resistant to antibiotics) in newborns. You and your baby may be eligible if you deliver at a participating facility that does not already chlorinate its water.
Berkeley, CaliforniaAges Any age - NCT06824519RecruitingPhase 1/Phase 2
Quadrivalent flu vaccine trial for adults
This trial tests a new quadrivalent influenza (flu) vaccine in adults 18 and older. It aims to see if the vaccine is safe and helps protect against the flu. You may be able to join if you are generally healthy and have not had the flu or a flu shot recently.
Shijiazhuang, HebeiAges 18 years+ - NCT06825819Recruiting
Dysbiosis and long COVID study
This study looks at gut bacteria changes in people with and without long COVID symptoms after a confirmed COVID infection. It may help find why some people have long-term health problems.
Chicago, IllinoisAges 18–80 - NCT06827249Recruiting
Testing peginterferon for RSV lung infection in young children
This trial tests a medication called peginterferon to treat RSV bronchiolitis (a lung infection causing wheezing and breathing trouble) in children ages 6 months to 2 years. It aims to see if the drug helps them recover faster.
Wuhan, HubeiAges 6 months–2 years - NCT06827470RecruitingPhase 1
Whooping cough infection study in healthy adults
This study tests what happens when healthy adults are exposed to a special type of whooping cough bacteria. Results may help develop better vaccines to protect people from this infection.
Halifax, Nova ScotiaAges 18–50 - NCT06827496Recruiting
Starting with oral antibiotics for kids' bone and joint infections
This study tests if starting treatment for uncomplicated bone or joint infections in children with oral (by mouth) antibiotics is effective. It focuses on kids who are not severely ill and do not have certain risk factors, and who can begin oral antibiotics right away or after a short course of IV (intravenous) antibiotics.
Copenhagen ØAges 3 months–17 years - NCT06832514RecruitingPhase 4
Gender and immune response to meningitis B vaccine
This study tests how well the meningitis B vaccine works in transgender and cisgender people. It aims to understand if sex and gender affect immune responses.
GhentAges 18–50 - NCT06827938Recruiting
Heat therapy study for warts in special groups
This study tests whether heat therapy (hyperthermia) can help treat viral warts in people who are pregnant, have HIV/AIDS, autoimmune diseases, diabetes, take immune-suppressing drugs, or are children. It aims to find a safe and effective option for these groups.
Shenyang, LiaoningAges Any age
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 7,112 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.