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 applicable2,545
- Phase 2357
- Phase 4302
- Phase 1287
- Phase 3282
- Phase 1/Phase 2133
- Phase 2/Phase 360
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 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 studies3,966 total
- NCT07621653Recruiting
Safety check-in after meningococcal vaccine in Korea
This study watches for any side effects or health changes after you receive the MenQuadfi vaccine, which protects against four types of meningococcal bacteria. Your doctor will follow up with you to make sure the vaccine is safe and working well.
BusanAges 1 month–55 years - NCT07626437RecruitingPhase 3
Cold and Flu Symptom Relief Medicine Trial
This study tests a combination medicine containing pain reliever, caffeine, and allergy medication to help ease nasal congestion and other cold or flu symptoms. You'd take the medicine for a short period and report how well it works.
Belo Horizonte, Minas GeraisAges 18–60 - NCT07629440RecruitingPhase 3
New Pneumococcal Vaccine Study for Infants
This study tests a new vaccine to protect infants from pneumococcal disease (a serious bacterial infection). Researchers want to see how well the vaccine works and how safe it is in healthy babies aged 2–6 months.
Bessemer, AlabamaAges 1 month–7 months - NCT06696833RecruitingEarly Phase 1
CD19-targeted CAR-T cell therapy for relapsed B-ALL
This trial tests a new type of immune cell therapy (CAR-γδT cells) that targets CD19 on leukemia cells. It is for people with B-cell acute lymphoblastic leukemia that has not responded to treatment or has come back.
Suzhou, China, JiangsuAges 14 years+ - NCT07625917Recruiting
Testing an online HIV prevention program for people who inject drugs
This study tests whether an internet-based HIV prevention program works for people who use injection drugs. Researchers want to see if online tools can help reduce HIV risk and improve health outcomes.
The Bronx, New YorkAges 18 years+ - NCT07626606Recruiting
Gut Health and Rotavirus Vaccine Response in Adults
This study examines how the health of your digestive system affects how well your body responds to an oral rotavirus vaccine (a vaccine given by mouth to protect against rotavirus infection). You'll have two endoscopy procedures—a camera test to look inside your digestive tract—and provide samples to help researchers understand this connection.
Lusaka, Lusaka ProvinceAges 18–50 - NCT07628140Recruiting
Home-Based TB Prevention Treatment in Kenya
This study tests a community-friendly way to deliver TB prevention medicine (called TPT) to people's homes in Kenya. Researchers want to see if bringing screening and treatment to your house—instead of making you go to a clinic—helps more people start and finish TB prevention, which can reduce TB spread in your community.
KisumuAges Any age - NCT07629154Recruiting
Safe Hospital Discharge Planning for Children
This study tests a new discharge process to help children recover safely at home after being treated in the hospital for an infection. The goal is to make sure children get the right follow-up care and support after they leave the hospital.
San Francisco, CaliforniaAges 5–16 - NCT07627399Recruiting
Best Care Practices for Stroke in Regular Hospital Units
This study tests whether following best-practice guidelines for stroke care in regular hospital units (rather than specialized stroke centers) helps patients recover better. Researchers will track how well patients do when they receive standardized stroke care protocols.
Antequera, MálagaAges 18 years+ - NCT07627425Enrolling by invitation
Staples vs. Sutures for Hernia Repair Mesh
This trial compares two methods of attaching mesh during hernia surgery—staples versus sutures—to see which leads to better healing and fewer problems after surgery. You'd have a 50/50 chance of receiving either method.
KarachiAges 18–75 - NCT07626073Enrolling by invitation
Respiratory Pathogen Testing Methods in ICU Pneumonia
This study compares three different laboratory tests to identify the bacteria or viruses causing pneumonia in ICU patients. The goal is to see which test method helps doctors choose the right antibiotics faster and improves patient outcomes.
TaichungAges 18 years+ - NCT06697886RecruitingPhase 3
Antiwei Granules for Common Cold
This trial tests Antiwei Granules for treating the common cold. It looks for adults aged 18 to 65 who started having cold symptoms within the past 48 hours and have a mild fever.
BeijingAges 18–65 - NCT06696664Recruiting
Genetic study of chronic hepatitis B cure with long-acting interferon
This study looks at genetic factors that may help people with chronic hepatitis B achieve a clinical cure when treated with long-acting interferon. It aims to find out why some patients respond better than others.
Beijing, Beijing MunicipalityAges 18–70 - NCT05321992Recruiting
Village health program to help prevent bile duct cancer
This trial tests whether a community-based behavior change program can lower the risk of cholangiocarcinoma, a bile duct cancer. If you live in one of the selected villages, you may be invited to participate and learn health-focused behavior changes.
Phu Wiang, Changwat Khon KaenAges 20 years+ - NCT06025487RecruitingPhase 2
Meningococcal B vaccine study for asplenia
This study tests a meningococcal B vaccine in adults who have had their spleen removed or have a spleen that doesn't work well (asplenia). It will compare how well the vaccine works in these patients versus healthy adults to see if it provides good protection.
Vienna, State of ViennaAges 18–60 - NCT06701110RecruitingPhase 1
Study of sudapyridine in healthy Chinese men
This trial tests how Sudapyridine (WX-081) moves through the body in healthy Chinese men. It helps researchers understand the drug's effects and safety before moving to later studies.
Suzhou, JiangsuAges 18–45 - NCT04920565Recruiting
Hemoperfusion with Polymyxin B for septic shock after heart surgery
This trial studies a blood-filter treatment (hemoperfusion with Polymyxin B) to reduce harmful substances in the blood for people who develop septic shock after heart surgery. It may help by lowering inflammation and improving safety, but it also requires meeting specific signs of severe infection and blood/bleeding conditions.
MoscowAges 18–80 - NCT05268523Recruiting
Online self-management program for long COVID symptoms
This trial tests an online self-management program to help people cope with long COVID symptoms in everyday life. It may help if you’re struggling with ongoing symptoms like mood changes, memory/thinking issues, or physical problems after COVID.
Toronto, OntarioAges 18 years+ - NCT05308537Recruiting
Mindful compassion program for nurses feeling emotionally exhausted
This study tests whether a mindful compassion training program can reduce psychological distress in nurses who feel emotionally drained. It targets nurses working on COVID-19 hospital units and compares the program to a wait-and-see group.
Verona, ItaliaAges 25–65 - NCT06476171Recruiting
Blood test study for heart surgery patients
This study looks at blood test results from people having heart surgery with a heart-lung machine. It will help doctors understand and improve the use of these tests.
MoscowAges 18–80 - NCT06703918Recruiting
C. Diff Infection Study in Babies
This study looks at Clostridium difficile (C. diff) infections in babies under 2. It compares babies who have the infection with those who don't, using medical records to learn more about how it affects them.
Hangzhou, Zhejiang, ChinaAges birth–2 years - NCT07615517Recruiting
Comparing wound-closure methods for abdominal surgery
This trial compares two ways of closing the layer under your skin after abdominal surgery to see which leads to better healing and fewer complications. You'll be randomly assigned to either have this inner layer stitched or left unstitched.
Augsburg, BavariaAges 18 years+ - NCT07613645Recruiting
Lifestyle changes to prevent recurring C. difficile infection
This study tests whether specific lifestyle changes during treatment for C. difficile infection (a serious gut bacteria infection) can help prevent it from coming back. You'll receive standard antibiotic treatment and follow a controlled diet while researchers track your recovery.
Ann Arbor, MichiganAges 18 years+ - NCT07619924Enrolling by invitationEarly Phase 1
Phage Cocktail for Hard-to-Treat Skin Infections
This study tests a new treatment called a phage cocktail (viruses that kill bacteria) for skin infections caused by bacteria that don't respond well to regular antibiotics. The treatment is applied directly to the wound to see if it's safe and effective.
Xi'an, ShaanxiAges 18–75
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 6,543 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.