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
- NCT05586581RecruitingPhase 1/Phase 2
PET and MRI scans to study brain changes in treated HIV
This study uses PET and MRI scans, plus blood tests and memory/thinking questionnaires, to understand what drives brain problems in people living with HIV even during treatment. It may help researchers learn why symptoms happen and how treatment relates to brain function.
New Haven, ConnecticutAges 18–80 - NCT05562323Recruiting
Study of immune response after monkeypox vaccination
This is an observational study that follows adults after they get a monkeypox vaccine to learn how their immune system responds. The results may help researchers understand what types of protection the vaccine creates.
Badalona, BarcelonaAges 18 years+ - NCT05571735Recruiting
COVID vaccine immune response study in people with tuberculosis
This study measures how strongly your immune system responds to COVID-19 vaccines. It includes people with newly diagnosed tuberculosis and a healthier comparison group, aiming to understand vaccine immune effects and safety.
Mae Ramat, Changwat TakAges 18 years+ - NCT05583708RecruitingPhase 2
Trial tests targeted radiation plus immunotherapy after anti–PD-1 failure
This Phase 2 trial studies whether peptide receptor radionuclide therapy (targeted radiation) combined with immunotherapy (pembrolizumab) can shrink Merkel cell cancer after it has grown despite anti–PD-1/L1 treatment. It may help people whose cancer has specific receptors that make them eligible for the targeted radiation.
Duarte, CaliforniaAges 18 years+ - NCT05553236Recruiting
Using gene testing to guide treatment for drug-resistant tuberculosis
This study uses next-generation gene testing to help manage active drug-resistant tuberculosis. It may help doctors choose the most appropriate treatment by better identifying the TB’s drug resistance.
Cape TownAges Any age - NCT05586776RecruitingPhase 4
Using skin cleaning to prevent post-surgery wound infections
This trial tests a “skin decolonization” routine using medicated skin cleaning to help lower the risk of surgical site infections after abdominal surgery. You may be eligible if you recently had an open abdominal incision and your wound is healing as expected at discharge.
Newport Beach, CaliforniaAges 18 years+ - NCT05571722RecruitingPhase 4
Antibiotic prevention for surgical site infections
This trial tests whether using linezolid or vancomycin before surgery can better prevent infections at the surgical wound in people at higher risk. You might be considered because you either can’t take certain standard antibiotics (beta-lactams) and/or may carry MRSA bacteria.
MarseilleAges 18 years+ - NCT05575401Recruiting
Track surgery results in kids getting tonsil removal
This trial looks at how well a specific throat surgery technique works in children who are having their tonsils removed (with or without removing adenoids). It may help improve how doctors choose and perform surgery for safer, better recovery.
Murrieta, CaliforniaAges 3–17 - 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+ - NCT05584397Enrolling by invitation
Compare immune activity and HIV hidden reservoir on two treatments
This study compares how active the immune system is and how large the “hidden” HIV reservoir is in people on two different HIV treatment types. It may help researchers understand whether staying on a tenofovir-containing regimen leads to better control of HIV hiding in the body.
Seattle, WashingtonAges 18–65 - NCT05568966Recruiting
Blood sample collection for new diagnostic tests
This study collects small blood samples to help test and improve new diagnostic devices. You may be eligible if you’re an adult with certain symptoms that match one of several health “groups,” and if you can consent and read English.
Airdrie, ScotlandAges 18 years+ - NCT05544019RecruitingPhase 1
Testing an investigational drug for mature B-cell cancers
This early (Phase 1) study tests SGR-1505, an experimental treatment, in people with certain mature B-cell cancers. It’s mainly designed to see how the drug works in the body and to check safety, and it may offer an option if standard treatments aren’t enough.
Gilbert, ArizonaAges 18 years+ - NCT05529342Enrolling by invitation
Long-term follow-up for a prior gene-cell treatment
This study follows people long-term after receiving a specific gene-cell treatment called AGT103-T. It helps researchers check long-term safety and outcomes, which can guide future care for others.
Washington D.C., District of ColumbiaAges 18 years+ - NCT05537935RecruitingPhase 4
Low-dose naltrexone for nerve pain in people with HIV
This trial studies whether a low dose of naltrexone can reduce long-lasting nerve-related pain in adults living with HIV. It may help if your pain has been ongoing and you have stable HIV control.
Atlanta, GeorgiaAges 18–75 - 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+ - NCT05544565RecruitingPhase 4
Short IV antibiotics vs switch to oral in young UTI children
This trial tests whether giving antibiotics through a vein for 3 days works as well as giving 3 days through a vein followed by 7 days by mouth for a first urinary tract infection (kidney infection). It may help your child recover safely while possibly reducing longer IV treatment.
Corbeil-Essonnes, EssonneAges 1 month–3 years - NCT05507125Recruiting
Study of how inflammatory genes work in hidradenitis
This study looks at how certain body “inflammatory genes” behave in people with hidradenitis suppurativa. It may help researchers understand what drives this condition and how future treatments could be targeted.
Birmingham, AlabamaAges 18–89 - NCT05519046Recruiting
Test a heart pacing treatment for Chagas-related heart failure
This study looks at a heart treatment called cardiac contractility modulation in people with Chagas heart disease who have moderate symptoms and weak heart pumping. It aims to see whether this therapy improves heart function and related outcomes in the right patients.
São Paulo, São PauloAges 18–75 - NCT05478720RecruitingPhase 1/Phase 2
Tested medicine for children with cerebral malaria
This early-stage study tests how a medicine (involving ondansetron and ceftriaxone) works in people with malaria. It especially focuses on children with cerebral malaria to see if it can improve safety and early effectiveness.
BlantyreAges 1 year+ - NCT05470491RecruitingPhase 1/Phase 2
Haploidentical bone marrow transplant with GVHD prevention drugs
This trial tests a reduced-intensity bone marrow transplant from a related donor (haploidentical), using medicines to help prevent a serious complication called GVHD. It is for people with certain blood cancers and aims to improve outcomes by balancing transplant benefit with lower treatment intensity.
Bethesda, MarylandAges 12–120 - NCT05491525RecruitingPhase 2/Phase 3
Vibegron for children with nerve bladder using intermittent catheter
This study tests how well and how safely vibegron works long-term in children (ages 2 to under 18) with a nerve-related bladder condition, who regularly use intermittent catheterization. It also tracks how the body processes the medicine and whether it helps bladder control over time.
Little Rock, ArkansasAges 2–17 - NCT05488340RecruitingPhase 2
Study drug for hard-to-treat bladder infection in women
This Phase 2 trial tests LBP-EC01 to treat a bladder infection (UTI) caused by drug-resistant E. coli. It may help by targeting the specific bacteria that make UTIs harder to cure with common antibiotics.
Fresno, CaliforniaAges 18–75 - NCT05494346Recruiting
Seawater nasal spray with essential oils for blocked nose
This trial tests whether a seawater nasal spray (with essential oils) is safe and works well for people ages 12+ who have sudden (acute) cold- or allergy-related nasal blockage. You may be able to join if you can use the spray as instructed and complete simple monitoring and questionnaires.
Blainville-sur-OrneAges 12 years+ - NCT05470023Recruiting
Imaging study of gum health and mouth biofilm
This study uses imaging to look at how healthy your gums are and how much “plaque/biofilm” is in your mouth. It may help researchers better understand gum health and how oral hygiene affects it.
Irvine, CaliforniaAges 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.