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
- NCT06114706Recruiting
Better assessment of sore throat and antibiotic use
This study tests a new way to assess sore throats in primary care and pharmacies to help decide when antibiotics are needed. It aims to improve treatment and reduce unnecessary antibiotic use.
StenungsundAges 6 years+ - NCT06128447RecruitingPhase 3
New chewable drug for hookworm, roundworm and whipworm
This trial tests a new chewable tablet (ZP5-9676) to treat common intestinal worm infections. It compares the new drug to a placebo (fake pill) to see if it's safe and effective.
AmericaninhaAges 6 months–59 years - NCT05846399RecruitingPhase 4
Test antibiotic prevention after a cat bite to the hand
This study tests whether taking a specific antibiotic right after a cat bite to the hand or forearm can help prevent an infection. You may be eligible if you arrive within 24 hours and don’t already have signs of infection.
Columbia, MissouriAges 18 years+ - 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+ - NCT06126614RecruitingPhase 3
Infection prevention in joint replacement surgery
This trial tests a way to prevent infections for people getting a hip or knee replacement. It compares different methods to see which works best and may help lower your risk of infection after surgery.
Hamilton, OntarioAges 18 years+ - NCT06126731RecruitingPhase 1/Phase 2
Antibiotics plus enzalutamide for advanced prostate cancer
This trial tests whether adding specific antibiotics (amoxicillin, metronidazole, vancomycin, ciprofloxacin) to enzalutamide can help treat advanced prostate cancer that has stopped responding to other treatments. It aims to see if changing gut bacteria can make the cancer therapy work better.
BellinzonaAges 18 years+ - 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 - NCT06127654RecruitingPhase 3
Ventilation imaging to improve quality of life in lung cancer radiotherapy
This trial tests whether using a special lung ventilation scan can help doctors design radiation therapy that reduces side effects and improves quality of life for people with stage 3 non-small cell lung cancer.
Liverpool, New South WalesAges 18 years+ - NCT06128928Recruiting
Boosting COVID-19 vaccines in Latino communities
This study tests whether connecting with friends and health workers can help more Latino people in Maryland get vaccinated or boosted against COVID-19. It aims to reach both those who are already vaccinated and those who are hesitant.
Baltimore, MarylandAges 18 years+ - NCT06119256RecruitingPhase 1
TCR-T cells for EBV after stem cell transplant
This trial tests a new treatment using specially trained immune cells (TCR-T cells) to fight Epstein-Barr virus (EBV) infections that can occur after a stem cell transplant for blood cancer. It may help control the virus and prevent complications.
Beijing, Beijing MunicipalityAges 14–75 - NCT06117163Recruiting
Mental health care for pregnant women with HIV in Kenya
This study tests a program that provides integrated mental health care for pregnant women living with HIV in Kenya. The goal is to improve both mental health and HIV treatment outcomes during pregnancy.
NairobiAges 15 years+ - NCT06109870Recruiting
Increasing cervical cancer screening in Texas communities
This study tests a new community-based program to help women who are overdue for cervical cancer screening get easier access to testing. It’s designed for women in underserved areas of Texas who haven’t had a recent Pap or HPV test.
Austin, TexasAges 18 years+ - NCT06115772Recruiting
HPV and genital health in women with HPV-positive throat cancer
This study looks at HPV-related health in the genital and anal areas of women who have HPV-positive oropharyngeal cancer, or are the female partners of someone who does. The goal is to better understand how HPV affects these areas over time.
Rochester, MinnesotaAges 18 years+ - NCT05620329Recruiting
Pleural fluid registry for drainage in adults
This registry collects information from adults who have fluid around the lungs (pleural effusion) and need clinically indicated drainage because of infection or cancer. It helps researchers better understand these conditions and improve future care.
Chapel Hill, North CarolinaAges 18 years+ - NCT04843852RecruitingPhase 1
Test vaccine added to hepatitis B treatment
This early-phase study tests whether a hepatitis B vaccine (with an added ingredient to boost the immune response) can safely help people with long-term hepatitis B who are already on antiviral therapy. It is mainly looking at safety and how the immune system responds.
Baltimore, MarylandAges 18 years+ - NCT05509959Recruiting
Tech-based peer support for women with HIV and low adherence
This study tests a phone/computer-based peer support program to help women with HIV improve how consistently they take their HIV medicine (ART). It may help if you’ve had trouble meeting your medication schedule recently and you’re eligible to safely participate.
La Jolla, CaliforniaAges 18 years+ - NCT05671718Recruiting
Nurse vs doctor treatment for drug-resistant tuberculosis
This trial compares a nurse-led plan versus a physician-led plan for treating new drug-resistant TB patients using an outpatient clinic approach. It may help by showing which care style works best and is safest for patients starting treatment close to home.
Pietermaritzburg, KwaZulu-NatalAges 18 years+ - NCT05906472Recruiting
Feeding through a tube after tracheostomy in the ICU
This study tests a specific way of continuing tube feeding for people who need a tracheostomy after being on a breathing tube in the ICU. The goal is to see if this feeding approach is safe and beneficial for recovery.
Danbury, ConnecticutAges 18 years+ - NCT02982902RecruitingEarly Phase 1
T cell treatment for stubborn CMV after stem cell transplant
This trial tests a personalized immune cell treatment (CMV-specific T cells) for people whose CMV (a common herpes virus) persists or comes back after a stem cell transplant. It may help your immune system better control CMV when standard antiviral medicines aren’t fully working or can’t be used.
Cleveland, OhioAges 3 months+ - NCT06093867Recruiting
Tracking lung health after stem cell transplant
This study follows people getting a stem cell transplant to watch for lung problems, like infections or other lung diseases, that can happen after the transplant. The goal is to catch these issues early.
Bethesda, MarylandAges 5–70 - NCT06086379Enrolling by invitation
Cognitive rehab therapy for COVID-related thinking problems in Veterans
This study tests a cognitive rehabilitation therapy designed to help Veterans who have memory and thinking problems after COVID-19. It aims to improve daily mental function and quality of life.
San Diego, CaliforniaAges 18 years+ - NCT06094010RecruitingPhase 3
Flu treatment and transmission study for children and families
This study tests how well a single-dose flu treatment (baloxavir marboxil) works for children with the flu and whether it stops the flu from spreading to family members. If your child has early flu symptoms and lives with others, participation could help protect your household.
Birmingham, AlabamaAges 3 weeks–11 years - NCT06102070Recruiting
Genetic study of severe infections
This study looks for genetic reasons why some people get very serious infections. If you or a family member has had a rare, severe infection, researchers will analyze your DNA to find genes that might make you more vulnerable.
Paris, Île-de-France RegionAges Any age - NCT06092008Recruiting
New pneumonia tests for adults 65 and older
This study tests new ways to diagnose pneumonia faster and more accurately in older adults who come to the emergency room with breathing problems. The goal is to see if these new tests work better than the current methods.
Columbus, OhioAges 65 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.