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
- NCT05999851Recruiting
Maternal blood vessel health in pregnancy
This study looks at how well your blood vessels work during pregnancy to help predict high blood pressure disorders. If you join, you will have extra monitoring and blood tests.
BolognaAges 18–65 - NCT05989750Recruiting
Air-Polishing Teeth Cleaner During Braces Treatment
This study tests a special air-polishing cleaning method using erythritol (a gentle powder) during braces treatment. It may help keep teeth and gums healthier while you have braces.
Geneva, Canton of GenevaAges 12–16 - NCT05975541Recruiting
Infection risk in obesity and type 2 diabetes
This study looks at how obesity and type 2 diabetes affect your body's ability to fight infections. By joining, you'll help researchers understand why some people with these conditions get more infections, which could lead to better prevention and treatment.
Novara, NovaraAges 18–65 - NCT05990465RecruitingPhase 1
LV20.19 CAR T-cells plus pirtobrutinib for relapsed B-cell lymphoma
This trial combines a new type of CAR T-cell therapy (LV20.19) with a targeted pill called pirtobrutinib to treat B-cell lymphomas that have come back or stopped responding. The goal is to see if this combination works better than each alone.
Milwaukee, WisconsinAges 18–81 - NCT05973825Recruiting
HIV blood study to study immune responses over many years
This study looks at how the immune system and HIV behave in people on long-term HIV treatment (ART), using blood samples that will be stored for future tests for up to 20 years. It may help researchers understand how well treatment is controlling HIV and improve future care.
Ghent, Oost-VlaanderenAges 18–80 - NCT05984849Recruiting
A Game to Learn About the HPV Vaccine
This study uses a game to teach children ages 11-14 about the HPV vaccine and why it's important. It's for kids who haven't gotten the vaccine yet and their parent or guardian.
Chandler, ArizonaAges 11–14 - NCT05996016Recruiting
Gut and vaginal bacteria in HIV-positive women
This study looks at the types of bacteria living in the gut and vagina of women with HIV, including pregnant women. It aims to understand how these bacteria might affect health.
Beijing, Beijing MunicipalityAges 14 years+ - NCT05977179Recruiting
Diet program for long-COVID fatigue and poor diet quality
This study tests whether improving diet quality can reduce fatigue and symptoms in people with long-COVID (post-acute COVID-19 syndrome). It may help if your diet quality is currently low and your fatigue is moderate to severe.
Baltimore, MarylandAges 50–94 - NCT04335383Recruiting
Study blood antibodies for a Pseudomonas-targeting treatment
This study looks at people’s blood to see if they already have antibodies that recognize Pseudomonas aeruginosa, a type of bacteria. If you qualify for the prospective part, they may collect blood samples at Grenoble University Hospital and use your results to support future treatment testing.
GrenobleAges 18 years+ - NCT02539407Recruiting
Study drug levels in critically ill children
This trial measures how anti-infective medicines move through a child’s body while they are in the hospital or during follow-up. The goal is to better understand dosing and drug exposure in critically ill children.
ParisAges 1 day–18 years - NCT02998411Recruiting
Blood sample study of antibiotics in hospitalized patients
This study looks at how antibiotics move through the body in adults who are hospitalized. By measuring antibiotic levels in blood (or other body samples), the team may better understand dosing for safer, more effective treatment.
Paris, ParisAges 18 years+ - NCT05947071RecruitingPhase 2
Higher-dose flu vaccine versus standard dose in child transplant patients
This trial compares a higher-dose flu vaccine to the standard dose in children who recently received a kidney, heart, and/or liver transplant. It aims to see which dose better protects children against influenza while checking for safety.
Stanford, CaliforniaAges 3–17 - NCT05947890RecruitingPhase 2
Testing an immune-boosting TB vaccine in people with or without HIV
This Phase 2 study tests MTBVAC, a TB vaccine candidate, to see if it is safe and whether it helps the immune system. It may be a fit if you’re eligible for TB and HIV-related vaccine safety testing and can follow study visits and testing.
Johannesburg, GautengAges 12–55 - 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+ - NCT05943548Recruiting
Traditional healer support to help HIV reach low viral levels
This study tests whether support from traditional healers can help people with HIV get their viral load down to very low levels. You may be offered additional support and asked to attend clinic and nurse visits over 2 years.
MbararaAges 18 years+ - NCT05950607Recruiting
Nursing home study to reduce unnecessary antibiotic use
This study looks at ways to lower how often antibiotics are used in nursing home residents with Alzheimer’s disease and other dementias. It aims to make antibiotic use more appropriate while monitoring resident outcomes.
Boston, MassachusettsAges 60–106 - 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 - NCT05966649Recruiting
Synbiotics for preventing preterm birth in higher-risk pregnancies
This trial tests whether taking synbiotics (a mix of “good” probiotics and “food” for them) can help lower the chance of going into labor too early. It’s for pregnant people with certain risk factors for preterm birth, and it compares outcomes while you follow the study plan.
Edegem, AntwerpenAges 18 years+ - NCT05973084Recruiting
COVID spread study in Malawi households and vaccine recipients
This study tracks how COVID-19 spreads and causes illness in real households in Blantyre, Malawi, and compares groups after infection or vaccination. If you qualify, you’ll do follow-up testing and visits for several months.
Boston, MassachusettsAges 5–75 - NCT05953233Recruiting
Air study in inner-city schools using home nasal swabs
This study looks at air in inner-city schools and how it may affect children’s health. You may be asked to collect nasal swab samples at home and answer questions, especially if your child’s classroom is part of the study.
Boston, MassachusettsAges 6–90 - 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+ - NCT05972772RecruitingPhase 2/Phase 3
Test study drugs to clear rickettsia infections
This study tests antibiotics to help your body clear rickettsia-related illnesses like murine typhus or scrub typhus. It may help reduce symptoms and shorten how long you feel sick, based on how well the infection clears.
Vientiane, VientaineAges 18 years+ - NCT05963711Recruiting
Study penis microbiome in partners during vaginal microbiome treatment
This study looks at how the bacteria on a man’s penis may change during a woman’s vaginal microbiome transplant (VMT) for recurrent bacterial vaginosis (BV). You may be asked to follow condom and “decolonization” steps to help the researchers understand what works and why.
JerusalemAges 18 years+ - NCT05964140RecruitingPhase 3
Testing antibiotics after jaw fracture surgery
This trial studies whether giving (or how giving) antibiotics affects outcomes after surgery for a broken lower jaw (mandible). It may help reduce infection risk and antibiotic-related side effects if the right approach is chosen for the right patients.
Blackburn, LancashireAges 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.