Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 3,968 recruiting studies in this area right now.
By phase
- Not applicable2,549
- Phase 2357
- Phase 4301
- Phase 1287
- Phase 3282
- Phase 1/Phase 2132
- Phase 2/Phase 360
Top conditions
Leading sponsors
- National Institute of Allergy and Infectious Diseases (NIAID)88
- 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 Alabama at Birmingham23
- University of Oxford23
- University of Washington23
Where studies are running
- California233
- Maryland142
- Alabama93
- New York73
- Florida72
- Texas62
- Massachusetts57
- Arizona48
- Pennsylvania43
- Illinois41
Recruiting studies3,968 total
- NCT07783542RecruitingPhase 2
Treatment for moderate to severe hidradenitis suppurativa
This study tests a new medication called ORKA-002 to see if it can reduce the number of painful bumps and sores in people with moderate to severe hidradenitis suppurativa (a chronic skin condition). It may be an option for people who have not had success with antibiotic treatments.
Birmingham, AlabamaAges 18–79 - NCT07782762Recruiting
Testing a new catheter to reduce infections and blockages
This study tests a new type of urinary catheter (called 'NowCath Foley') to see if it reduces infections and blockages compared to standard catheters. If you use a long-term catheter and are under community nursing care, this might be relevant for you.
HerningAges 18 years+ - NCT07779408RecruitingPhase 1/Phase 2
H5N8 flu vaccine study for healthy adults
This study tests an experimental flu vaccine designed to protect against the H5N8 bird flu virus. It is given with an ingredient that may boost the immune response. The study will check if the vaccine is safe and how well it triggers the body's defenses.
Tempe, ArizonaAges 18 years+ - NCT06550622Recruiting
Better Detection of Hepatitis B Virus After Treatment
This study looks at a new way to detect the hepatitis B virus in the blood, even after standard tests say it's gone. It may help people who have stopped treatment and want to see if the virus comes back.
Shanghai, Shanghai MunicipalityAges 18–65 - NCT07780760Recruiting
Numbing throat spray to ease pain after tonsil removal in children
This study tests whether a numbing mist sprayed into the throat before surgery can reduce sore throat pain children feel after having their tonsils removed. It compares two numbing medicines to see if one works better than the other.
Al FayyumAges 3–15 - NCT07783074Recruiting
Fatigue study using digital outcomes in multiple sclerosis and long COVID
This study is investigating fatigue using digital outcomes in people with multiple sclerosis, long COVID, and healthy volunteers. Participants must own a smartphone, be fluent in German or English, and be willing to provide informed consent. Exclusion criteria include having taken certain medications recently, being pregnant or lactating, or having additional health conditions that could affect fatigue or the autonomic nervous system.
Basel, BaselAges 18–65 - NCT07779720Recruiting
Personalized fluids for emergency sepsis care
This trial tests a personalized approach to giving IV fluids to patients with sepsis in the emergency department. It uses a device to monitor your heart and blood flow to help doctors decide how much fluid you need, which may improve recovery.
Murray, UtahAges 18 years+ - NCT07783243Recruiting
Leishmaniasis vaccine response study in Ethiopia
This study tests how your immune system responds to parts of a potential vaccine for leishmaniasis. Doctors will take small blood or skin samples to see if your body's cells react to these vaccine pieces, which could help design a better vaccine in the future.
Addis AbabaAges 18–65 - NCT07783971Recruiting
Lung cancer microbiome study
This study looks at the bacteria and other microbes in lung cancer tissue to understand how they might affect the disease. It may help find new ways to treat or manage non-small cell lung cancer.
Chongqing, Liangjiang NewAges 30–80 - NCT07781501Recruiting
Study of long-term effects of covid-19
This study looks at the long-term effects of COVID-19, sometimes called Long COVID. By studying saliva and health info, researchers hope to understand why some people have lasting symptoms.
Chapel Hill, North CarolinaAges 18–75 - NCT06553911Recruiting
AI tools for diagnosing respiratory infections
This trial uses artificial intelligence (AI) to help doctors read X-rays or CT scans of people with respiratory infections. The goal is to see if AI can make diagnosis faster and more accurate.
ShanghaiAges 1–90 - NCT07781878Recruiting
Skin staples vs stitches for planned belly surgery wounds
This trial compares two ways to close the skin after a planned belly operation: using metal staples or traditional stitches. Participation may help doctors learn which method leads to better healing and fewer wound problems.
Islamabad, CapitalAges 15–50 - NCT06554145Recruiting
AI program for identifying bacteria from urine test
This trial uses AI to predict what kind of bacteria is in your urine based on a standard lab test (Gram stain). It may help doctors treat infections faster.
Shinjuku-Ku, TokyoAges Any age - NCT04989491RecruitingPhase 4
Single-dose rituximab to prevent EBV after kidney transplant
This trial tests whether one dose of rituximab (given around the time of transplant) can help prevent a first Epstein-Barr virus (EBV) infection and related abnormal lymph node or immune growths after kidney transplant. It is specifically for adults who are EBV-negative before receiving an EBV-positive donor kidney.
StrasbourgAges 18 years+ - NCT04448951Recruiting
Study of immune response in early sepsis or septic shock
This trial looks at how the immune system behaves in the first day after septic shock begins. It may help researchers find better ways to support the body’s immune balance during sepsis, but you must be enrolled very quickly.
Pilsen, Česká RepublikaAges 18 years+ - NCT04372485Recruiting
Text-message support to help teens finish STI antibiotics
This trial tests whether a mobile phone text-message program can help teens stick to their outpatient antibiotic treatment for common sexually transmitted infections (STIs). It may help improve cure rates by supporting correct medication timing and completion.
Washington D.C., District of ColumbiaAges 15–21 - NCT05923333Recruiting
Breastfed infants of HIV-exposed mothers get a probiotic
This study gives a specific probiotic (from B. infantis) to babies born without HIV to see if it can improve the baby’s early immune health. It focuses on babies who are HIV-exposed because their mother has HIV and plans to exclusively breastfeed for the first 6 months.
Cape TownAges birth–50 years - NCT05336240Recruiting
Parent-teen communication coaching for ages 9–17
This study tests a communication coaching program for parents to help them talk with their teen. It targets families with teens ages 9–17 receiving care at participating clinics.
Aurora, ColoradoAges 9–17 - NCT07768345RecruitingPhase 3
Revaccination with RSV vaccine for immunocompromised adults
This trial studies whether giving a booster dose of the RSV vaccine (Abrysvo) is safe and effective for adults with weakened immune systems. It includes people who have never had an RSV vaccine and those who had one or two doses in the past.
Los Angeles, CaliforniaAges 18 years+ - NCT07769606Recruiting
Urine sample bank for intermittent catheter users
This study collects urine samples and health information from people who use intermittent catheters to empty their bladder. The goal is to build a biobank for future research on urinary tract infections.
HumlebækAges 18 years+ - NCT07774403RecruitingPhase 2
Study of AZD0292 in Chinese patients with bronchiectasis and chronic Pseudomonas infection
This study tests a new medication called AZD0292 for people with bronchiectasis who have a long-term Pseudomonas infection. It aims to see if the drug can reduce flare-ups and improve lung health.
AnyangAges 18 years+ - NCT07771140RecruitingPhase 1
Study of an experimental injection for chronic hepatitis b
Doctors are testing a new injectable treatment for chronic hepatitis B. This first-in-human study checks the drug's safety and how well it works in people who are already on standard hepatitis B pills.
HefeiAges 18–65 - NCT07768163Recruiting
Safety of Penbraya during pregnancy
This study monitors pregnant individuals who received the Penbraya vaccine to check for any safety concerns. It helps ensure the vaccine is safe for you and your baby.
New York, New YorkAges 10–25 - NCT04014413Recruiting
Fecal transplant for gut and immune-related conditions
This trial studies whether fecal microbiota transplantation (FMT)—a medical procedure using stool from a screened donor to restore gut bacteria—can improve safety and outcomes for people with certain bowel, immune, and metabolic conditions. It may help if your symptoms are thought to be related to an unhealthy gut microbiome, though eligibility is broad and depends on specific safety factors.
Hong Kong, ShatinAges Any age
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 3,968 recruiting infectious disease studies from the U.S. registry right now, out of 6,521 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.