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
- NCT06085690Recruiting
Reducing bloodstream infections from ICU catheters
This study tests a new method to prevent infections from central lines (special IVs placed in large veins) in intensive care units. If you have a central line in place for more than 24 hours, this research may help improve your safety by finding better ways to avoid catheter-related bloodstream infections.
Shanghai, Shanghai MunicipalityAges Any age - NCT06086366Recruiting
Brain scan study for depression after COVID-19
This study uses brain scans to understand depression that starts soon after COVID-19. Researchers want to see if there are changes in brain chemistry related to depression, and you may help find new treatment targets.
Toronto, OntarioAges 18–75 - NCT06084234RecruitingPhase 4
National liver cancer screening trial
This trial is testing a new way to screen for liver cancer in people with cirrhosis or chronic hepatitis B. It aims to find cancer earlier so it can be treated more effectively.
Los Angeles, CaliforniaAges 18–85 - NCT06102044RecruitingPhase 3
Zinc for young infants with severe infection in Tanzania
This study tests whether giving zinc supplements to very young babies (under 2 months) with severe infections helps them recover better. It takes place in Tanzania and involves adding zinc to their regular care.
Dar es SalaamAges birth–2 months - NCT06095297Recruiting
Cognitive rehab for brain fog from long COVID
This study tests a computer-based cognitive training program combined with a gentle nerve stimulation device to see if it can improve brain fog and daily functioning in people with long COVID. If you're struggling with thinking, memory, or concentration after COVID, this might help.
Birmingham, AlabamaAges 18 years+ - 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+ - NCT06088277Recruiting
Texting to reduce HIV risk for dental patients
This study tests if daily text messages can help people lower their risk of getting HIV. You'll receive texts for a few months and complete surveys to see if the messages help.
Boston, MassachusettsAges 18 years+ - NCT06087315Recruiting
Study of oxygen use in children's hospitals
This study looks at how hospitals in six countries use pulse oximeters and oxygen therapy to treat children. It aims to find ways to improve oxygen delivery and care for children with serious illnesses.
Phnom PenhAges birth–15 years - NCT06082453Recruiting
Modernizing syphilis testing in pregnancy and beyond
This study is testing a new, faster way to check for syphilis in pregnant people, new mothers, and their newborns, as well as in men and non-pregnant people at a Harris Health clinic. The goal is to make sure more people get the right treatment quickly.
Los Angeles, CaliforniaAges Up to 45 years - NCT06083064Recruiting
Smarter imaging choices for suspected appendicitis
This trial tests whether using a step-by-step approach to decide which imaging test (CT scan or ultrasound) is best for people with suspected appendicitis, instead of routinely giving everyone a CT scan or ultrasound. It may help avoid unnecessary scans.
EspooAges 18 years+ - NCT06103370Recruiting
HIV prevention via telemedicine and peer networks
This study tests how well a program combining telemedicine (virtual doctor visits) and peer support can help prevent HIV among people who inject drugs. You'd get trained, attend weekly group sessions, and invite a friend or partner to also take part.
Baltimore, MarylandAges 18 years+ - NCT01137643Recruiting
Sharing blood and tissue samples for blood cancer research
This trial collects tissue, blood, and other body fluid samples from people with blood-related cancers. The goal is to help researchers study these diseases by building a source of samples for future testing.
Chapel Hill, North CarolinaAges 18–120 - NCT03401398RecruitingPhase 3
Hydrocortisone for children with septic shock in the ICU
This Phase 3 trial tests whether giving stress-dose hydrocortisone can improve outcomes for children with septic shock in the pediatric intensive care unit (PICU). It is designed for children who are already receiving strong medicines to support blood pressure because of a serious infection.
Tucson, ArizonaAges 1 month–17 years - NCT04527315Recruiting
COVID-19 survivors health registry and follow-up scans
This study enrolls adults who had COVID-19 to track longer-term health effects and match them with people who did not have COVID-19. Depending on eligibility, you may be asked to complete questionnaires and possibly have MRI or X-ray scans.
New York, New YorkAges 18 years+ - NCT05655910Recruiting
Nutrition support program for people with LVADs in the hospital
This trial tests whether an enhanced nutrition plan can improve care for adults who already have an LVAD (a heart pumping device). It’s designed for hospitalized patients and looks at who can safely eat by mouth while avoiding high-risk situations.
New York, New YorkAges 18 years+ - NCT03595917RecruitingPhase 1
New and hard-to-treat BCR-ABL leukemia drugs plus prednisone and blinatumomab
This Phase 1 study tests a combination of targeted cancer drugs with prednisone and blinatumomab in people with BCR-ABL–positive B-cell leukemia (B-ALL), or chronic myeloid leukemia (CML) in lymphoid blast crisis. It may help by attacking leukemia cells through multiple pathways, especially when standard intensive chemotherapy is not suitable.
Chicago, IllinoisAges 18 years+ - NCT04260022RecruitingPhase 1
Drug study for hard-to-treat CML or Ph+ ALL
This Phase 1 study tests HQP1351 for people with CML or Ph+ ALL that has not responded well to standard targeted pills (TKIs), or those who could not tolerate them. It’s designed to see whether the treatment can work and how safe it is for this difficult-to-treat group.
Birmingham, AlabamaAges 18 years+ - NCT03375619Recruiting
Long-term follow-up after CAR-T treatment
This study checks in with people who already received CAR-T therapy to learn how they’re doing over time. It may help doctors understand the long-term benefits and side effects of CAR-T for future patients.
Milwaukee, WisconsinAges 18–80 - NCT06075745RecruitingPhase 2
CMV Vaccine Study for Liver Transplant Candidates
This trial tests a vaccine to prevent cytomegalovirus (CMV) infection in people awaiting a first liver transplant. You may be eligible if you have never been infected with CMV and are scheduled to receive a liver transplant within the next 1 to 12 months.
Birmingham, AlabamaAges 18 years+ - NCT05425264Recruiting
Home exercise coaching by video after COVID
This trial tests a home-based exercise and physical therapy program delivered by video after a COVID-19 infection. It may help you rebuild strength and breathing safely, especially if you also have certain long-term health conditions.
Baltimore, MarylandAges 50–85 - NCT06008860RecruitingPhase 4
Astepro nasal spray for early COVID-19
This trial tests whether Astepro nasal spray can help people with mild or no COVID-19 symptoms recover faster. If you have tested positive and are vaccinated, you may qualify.
Chicago, IllinoisAges 18 years+ - NCT06062342Recruiting
HIV prevention study in Miami Black communities
This study aims to help prevent HIV in Black communities in Miami by using local gathering places like barbershops and salons. You may join if you visit these spots during study events and haven't already taken part before.
Miami, FloridaAges 18 years+ - NCT06076304RecruitingPhase 4
Comparing treatments for acute sinusitis
This trial tests whether nasal steroids, nasal irrigation, or oral antibiotics work best for acute sinusitis. It may help if you have ongoing sinus symptoms or a 'double-sickening' pattern after a cold.
Los Angeles, CaliforniaAges 18–75 - NCT06074354Recruiting
MY-RIDE app for HIV prevention and substance use in homeless youth
This study tests a smartphone app called MY-RIDE to help homeless youth prevent HIV and reduce substance use. The app sends helpful tips at the right time to support healthier choices.
Houston, TexasAges 18–25
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.