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
- NCT06148532Enrolling by invitation
Reducing illness from maternal sepsis study
This study looks at medical records of people who gave birth and were later readmitted to the hospital for postpartum care. It aims to find better ways to prevent and treat sepsis, a serious infection, in mothers.
New York, New YorkAges 18 years+ - NCT06144229Enrolling by invitation
HPV Vaccine in Women with HIV
This study looks at how well the HPV vaccine works in women living with HIV and whether it helps make cervical cancer screening more accurate. If you are a woman with HIV between 21 and 40 years old and already part of certain other HIV studies, you may be able to join.
Denver, ColoradoAges 21–40 - NCT06127277Enrolling by invitation
Mobile relationship program for youth in foster care
This study tests a fully mobile program designed to help youth in foster care build healthy relationships. If you join, you'll use an app on your device to learn skills and connect with others.
Berkeley, CaliforniaAges 16–19 - NCT06106204Enrolling by invitation
Reducing antibiotic use after hospital discharge
This study looks at ways to reduce unnecessary antibiotic use when patients are discharged from the hospital after being treated for a UTI or pneumonia. It aims to help you avoid taking antibiotics longer than needed.
Salt Lake City, UtahAges 18 years+ - NCT06055712Enrolling by invitationPhase 4
Antibiotics for children with open fractures
This trial tests whether giving antibiotics can prevent infections in children with mild open fractures (grade 1 or 2) that don't need surgery. It aims to find a safer, simpler treatment plan.
St Louis, MissouriAges birth–17 years - NCT06027879Enrolling by invitationPhase 1/Phase 2
Anti-viral T-cell therapy for stubborn viral infections after transplant
This trial tests a treatment using specially grown T-cells (a type of immune cell) to fight certain viruses that won't go away with standard medicines. It is for people who have had a stem cell or organ transplant, or who have a weak immune system, and who are struggling with adenovirus, CMV, or EBV infections.
Pittsburgh, PennsylvaniaAges 1 month–65 years - NCT05983874Enrolling by invitationPhase 1
Booster HIV vaccine study for those who got the first shots
This study tests two booster doses of an HIV vaccine to see if they are safe and boost the immune system. It is for healthy adults who already received three earlier doses of a related vaccine.
AmsterdamAges 18–51 - NCT05956379Enrolling by invitation
Exercise and monitoring study for chronic hepatitis B with fatty liver
This study follows adults with chronic hepatitis B who also have fatty liver and tests an exercise approach to see how it affects liver health. You may be followed over time and helped with an exercise plan if you qualify.
Taipei, Zhongzheng Dist.Ages 18–70 - NCT05952999Enrolling by invitation
Studying Hospital-At-Home care done from home
This trial looks at how well a “Hospital at Home” program works when people start from the emergency department or are already in the hospital and can be cared for at home. It may help teams improve care at home for certain medical conditions and situations.
Peoria, IllinoisAges 18 years+ - NCT05947539Enrolling by invitation
Helping Ugandan young women stay engaged in HIV care
This study tests a couples-focused program to help HIV-positive adolescent girls and young women stay connected to HIV clinic visits and medicines. It may help if you’re currently not well engaged in HIV care or you’ve faced partner violence or controlling behavior.
KampalaAges 15 years+ - NCT05945225Enrolling by invitation
Oral care during pregnancy to reduce gum inflammation
This study looks at how a specific oral care approach during pregnancy may lower gum inflammation. It mainly enrolls pregnant people in mid-pregnancy and checks gum health over time.
NancyAges 18–40 - NCT05889806Enrolling by invitation
Study uses blood and tissue samples for gene and protein testing
This study collects and analyzes your donated samples (like blood or other biospecimens) to look for patterns in genes and proteins. The results may help researchers understand disease biology and improve future tests or treatments.
New Orleans, LouisianaAges 18 years+ - NCT05835596Enrolling by invitation
App-based support to protect heart health after pregnancy
This trial tests whether a smartphone app (“MumCare”) can help improve or support cardiovascular (heart and blood vessel) health in people after certain pregnancy complications. It’s for new or recent moms who had pregnancy-related high blood pressure and/or gestational diabetes.
Oslo, OsloAges 18–50 - NCT05833074Enrolling by invitation
Testing HIV risk again each year for male couples
This study looks at whether repeating HIV testing once a year for male couples at higher risk helps results stay on track over time. It includes couples who previously took part in an earlier study and are willing to keep participating.
Ann Arbor, MichiganAges 17–65 - NCT05831839Enrolling by invitation
Computer training for attention and memory after COVID
This study tests whether computer-based exercises can improve attention and working memory in adults who still have cognitive (thinking) complaints after COVID. It may help if your focus and memory issues have lasted for a while.
Rotterdam, South HollandAges 18 years+ - NCT05787418Enrolling by invitationPhase 3
Nasal spray to prevent COVID-19 after a close exposure
This Phase 3 trial tests whether a medicated nasal spray can stop COVID-19 from starting after you’ve been exposed to someone who recently tested positive. You must start very soon after the person became symptomatic, and you’ll be checked for eligibility based on timing and your health history.
BeijingAges 12–85 - NCT05769023Enrolling by invitation
Pilot test targeting HIV prevention for people who inject drugs
This pilot program studies where HIV risk is highest and uses that information to decide how prevention efforts should be delivered. If you’ve used opioids recently and you inject drugs, you may be invited to participate to help reduce HIV risk.
Baltimore, MarylandAges 18 years+ - NCT05763069Enrolling by invitation
Home monitoring for high-risk pregnancies
This study tests whether checking certain pregnancy warning signs at home (with monitoring technology) can help manage high-risk pregnancies. It may allow closer follow-up while you stay at home, aiming to improve safety and decision-making.
OsloAges 18–50 - NCT05694637Enrolling by invitationPhase 4
Support to help daily smokers with HIV stay abstinent
This Phase 4 study tests a smoking-quit support approach (reinforcement and coaching) to help people with HIV stop smoking and stay smoke-free. It may help improve smoking abstinence while you continue HIV care.
Francistown, Central DistrictAges 18 years+ - NCT05589376Enrolling by invitation
Healthy people registry study for you and me
This study sets up a registry of healthy people who can answer surveys and assessments. It helps researchers understand health and how people feel over time, even if you’re not being treated for a specific illness.
Merced, CaliforniaAges 2 years+ - NCT05534425Enrolling by invitation
Study of a community mentoring program to boost antiviral defenses
This study tests whether a community-based, intergenerational mentoring program can help the body’s natural defenses against viruses. You may be able to join if you’re part of the GenX program and meet the basic location and screening requirements.
Los Angeles, CaliforniaAges 50 years+ - NCT05492565Enrolling by invitation
Follow-up study for people on HIV prevention pills
This study follows adults who are at high risk of getting HIV while they take HIV prevention pills (PrEP). It aims to learn how well PrEP fits real-life use in people at risk and who may need extra care.
Seville, AndalusiaAges 18 years+ - NCT05463692Enrolling by invitation
Study of STI prevention and sexual health in Alabama women
This study follows women in Alabama to better understand sexual health and STI prevention over time. You may be able to join if you recently had an STI report and you’re currently negative for HIV, gonorrhea, and syphilis.
Birmingham, AlabamaAges 18–89 - NCT05443321Enrolling by invitation
Health information sharing during hospital transfers
This trial studies whether sharing patients’ health information between hospitals during transfers can improve outcomes. You may be included if you are moved from a specific partner hospital to Brigham and Women’s Hospital and admitted to certain hospital units.
Boston, MassachusettsAges 18 years+
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 7,113 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.