Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 3,961 recruiting studies in this area right now.
By phase
- Not applicable2,540
- Phase 2357
- Phase 4303
- Phase 1287
- Phase 3283
- Phase 1/Phase 2132
- 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
- M.D. Anderson Cancer Center21
Where studies are running
- California234
- Maryland142
- Alabama92
- New York73
- Florida72
- Texas62
- Massachusetts55
- Arizona48
- Pennsylvania43
- Illinois41
Recruiting studies3,961 total
- NCT06909110RecruitingPhase 1/Phase 2
Immune cells for viral infections after transplant
This trial tests a treatment using specially trained immune cells (virus-specific T-cells) to fight stubborn infections with adenovirus, CMV, or EBV in people with weakened immune systems, such as after a stem cell or organ transplant.
Palo Alto, CaliforniaAges 1 month–65 years - NCT06910631Recruiting
Using a finger-prick test to guide fever care in children
This study tests whether a quick finger-prick test that measures C-reactive protein (CRP) can help doctors decide when a feverish child needs antibiotics or further care. It aims to improve how fever is managed in primary care settings.
AgdeAges 3 months–15 years - NCT06683638RecruitingPhase 2
Daily doxycycline for early syphilis treatment
This trial tests if taking a daily antibiotic (doxycycline) for two weeks can treat early syphilis in adults. It may help people who have been diagnosed with primary, secondary, or early latent syphilis.
Seattle, WashingtonAges 18 years+ - NCT06892197RecruitingPhase 4
Comparing two steroids for severe pneumonia
This trial compares two common steroid medicines, hydrocortisone and prednisolone, to see which works better for people with severe community-acquired pneumonia. It aims to find the best treatment to help you recover faster.
Rønne, BornholmAges 18 years+ - NCT06893757Recruiting
Tuberculosis treatment study in France
This study follows people starting treatment for tuberculosis (TB) in France to learn more about the disease and its treatment. If you have been diagnosed with TB and started treatment within the last 8 days, you may be able to join.
ParisAges 18 years+ - NCT06891950RecruitingPhase 3
Dengue vaccine study for healthy older adults
This trial tests a new dengue vaccine in adults aged 40 to 79 to see if it can protect them from dengue fever. If you are generally healthy and willing to follow the study schedule, you may be able to join.
Curitiba, ParanáAges 40–79 - NCT06891417RecruitingPhase 1/Phase 2
Chlamydia mRNA vaccine study for adults 18-29
This study tests a new mRNA vaccine designed to prevent chlamydia infection. It is for adults aged 18 to 29 who have a higher risk of getting chlamydia.
Bruce, Australian Capital TerritoryAges 18–29 - NCT06895499RecruitingPhase 1/Phase 2
Testing a new drug for hidradenitis suppurativa
This trial tests a new medicine called HB0043 for people with moderate to severe hidradenitis suppurativa (a skin condition causing painful lumps). It aims to see if the drug is safe and helps reduce symptoms.
Jinan, ShandongAges 18 years+ - NCT05934318Recruiting
Arginine supplements to help prevent pregnancy complications
This study tests whether taking an arginine-based supplement during pregnancy can help lower the risk of bad pregnancy outcomes. You may be eligible if you are pregnant in the early-to-mid period and meet safety and location requirements.
KisumuAges 16–40 - NCT06896643Recruiting
Urine infections and bone surgery in older adults
This trial looks at whether having a urinary tract infection or bacteria in urine affects recovery after bone surgery. It focuses on people 65 and older who will have surgery for a broken bone or other bone problem.
ZlínAges 65 years+ - NCT06892951RecruitingPhase 1/Phase 2
Inhaled caspofungin for treating pneumocystis pneumonia
This trial tests a new inhaled medicine (caspofungin) added to standard treatment for Pneumocystis pneumonia, a serious lung infection. It may help fight the infection more effectively while you are already receiving oxygen and standard antibiotics.
OrléansAges 18 years+ - NCT06894199Recruiting
Work2Prevent Plus: Helping young Black men into HIV care
This trial tests a program called Work2Prevent Plus, which aims to help young Black men who have sex with men get into HIV care by connecting them with job support. If you're 18-29, identify as Black or African American, and have had sex with another man, you may be eligible.
Chicago, IllinoisAges 18 years+ - NCT06900829Recruiting
HIV testing program for European hospitals
This trial helps hospitals find undiagnosed HIV by improving testing and care. It supports healthcare teams to identify HIV in people with certain conditions and ensures those diagnosed get connected to treatment.
GhentAges 18 years+ - NCT06898203Recruiting
Precision imaging for Kaposi sarcoma
This trial uses advanced imaging to better understand Kaposi sarcoma. If you are starting or already receiving treatment, researchers want to see how imaging can help track your cancer.
KisumuAges 18 years+ - NCT06895486RecruitingPhase 2
New oral polio vaccine study for infants
This study tests a new oral polio vaccine given to healthy infants at 16 weeks old. It aims to see if the vaccine is safe and works well to protect against polio.
Panama CityAges 1 month–2 months - NCT06893939RecruitingPhase 2/Phase 3
Feeding approach for very premature babies
This study compares two ways of starting tiny feedings in very premature babies. The goal is to see if a shorter or longer period of very small feedings leads to better growth and fewer feeding problems. If you are okay with your baby receiving donor breast milk when needed, this trial may be a good fit.
Birmingham, AlabamaAges birth–2 years - NCT06890988Recruiting
Dental team study to help end HIV epidemic
This trial tests if training dental teams (dentists, hygienists, assistants, navigators) can help end the HIV epidemic by offering HIV testing and prevention in dental visits. You may be able to join if you work in a dental practice that is part of this study.
New York, New YorkAges 18 years+ - NCT06895902RecruitingEarly Phase 1
Eyelid spring for closing the eye in facial paralysis
This trial tests a tiny spring placed in the eyelid to help you close your eye if it stays open due to facial nerve paralysis. It may be an option if your eye has not improved after 6 weeks.
Edmonton, AlbertaAges 18 years+ - NCT06896370Recruiting
Gastric cancer study for people with high-risk H. pylori
This study follows people who carry a high-risk type of Helicobacter pylori (a stomach bacteria) to see if they develop gastric cancer. It aims to understand who is most at risk and how to monitor them over time.
TonglingAges 40 years+ - NCT05824871RecruitingPhase 3
Oral drug for rifampicin-resistant lung tuberculosis
This Phase 3 trial tests an oral medicine (Sudapyridine/WX-081) to treat people with rifampicin-resistant pulmonary tuberculosis. It compares how well the study drug works when you stop prior tuberculosis medicines and go through a short “washout” period first.
Beijing, Beijing MunicipalityAges 18–65 - NCT06431945Recruiting
Hepatitis C testing for injection drug users
This trial offers free hepatitis C testing for people who inject or have injected drugs. The goal is to find hidden cases early so they can get treatment.
BrnoAges 18 years+ - NCT06605053Recruiting
Improving HIV care for pregnant teens and young women in Tanzania
This trial aims to improve HIV prevention and treatment for pregnant adolescents and young women in Tanzania. It includes reviewing medical records, talking to patients and providers, and testing new care approaches.
Dar es SalaamAges 15 years+ - NCT06718127Recruiting
Study of immune response to yellow fever vaccine
This study looks at how your body's immune system responds to the yellow fever vaccine. It may help researchers understand how well the vaccine protects people.
ParisAges 18–65 - NCT06888193RecruitingPhase 1
Bimekizumab in breast milk of mothers being treated
This study measures how much bimekizumab (Bimzelx) gets into breast milk. It helps us understand if the medicine is safe for breastfeeding babies whose mothers take this drug.
Santa Monica, CaliforniaAges 18 years+
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 3,961 recruiting infectious disease studies from the U.S. registry right now, out of 6,600 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.