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
- NCT06186128Recruiting
Testing if cash payments help Black men with HIV in Arkansas
This study tests whether giving extra money each month to Black men with HIV helps them stay in HIV care and reach undetectable status. It focuses on reducing health disparities caused by racism in the South.
Little Rock, ArkansasAges 25 years+ - NCT06201494Recruiting
Studying early symptoms of asthma in children
This study follows children and teens who are being checked for asthma for the first time. It aims to learn more about the early symptoms of asthma to improve diagnosis and treatment.
PragueAges 3–18 - NCT06190197RecruitingEarly Phase 1
Testing antibiotics before bladder removal surgery
This trial tests whether giving preventive antibiotics before bladder removal surgery reduces infections. If you have muscle-invasive bladder cancer and are having your bladder removed, you may be able to join.
Minneapolis, MinnesotaAges 18 years+ - NCT06193980Recruiting
ICU recovery exercise test study
This trial looks at how well your heart and lungs work together after a long stay in the ICU on a breathing machine. It uses a simple exercise test to check your recovery after leaving the hospital.
Winnipeg, ManitobaAges 18 years+ - NCT06183723Enrolling by invitation
Study to improve HIV care for those struggling with medications
This study tests a program to help people living with HIV who have difficulty taking their medications consistently. The goal is to see if extra support can improve health outcomes.
Kaohsiung CityAges 18 years+ - NCT06114628RecruitingPhase 2
Finding the best treatment for lung TB (PARADIGM4TB)
This study tests different ways to treat active lung TB that is not resistant to rifampicin. It aims to find the best treatment duration and combination to cure TB and prevent it from coming back.
ChisinauAges 18 years+ - NCT02143986Recruiting
Testing glycosylated ferritin to evaluate inflammation
This trial looks at a blood test called “glycosylated ferritin” to help doctors better identify certain dangerous inflammatory conditions. It may help clarify whether your high iron-related marker is due to inflammation rather than other causes.
BrusselsAges Up to 85 years - NCT04896255Recruiting
Long-term follow-up of hepatitis B treatments
This study looks at long-term outcomes in people with chronic hepatitis B who take antiviral medicines or receive interferon. It may help doctors understand which treatments work best over time and who is most likely to benefit.
ShanghaiAges 18 years+ - NCT05591924Recruiting
Bioinformatics study in adults with very early severe ICU illness
This trial studies how early severe illness in the ICU can be understood and tracked using health data (bioinformatics/informatics). It may help improve care decisions for people who arrive to the ICU soon after an emergency department visit.
London, OntarioAges 18 years+ - NCT06160128Recruiting
COVID-19 treatment outcomes in veterans
This study looks at how well different COVID-19 treatments work in Veterans. By reviewing health records, researchers hope to find which medications help the most.
Portland, OregonAges 18 years+ - NCT06173518RecruitingPhase 1
CAR T-cell therapy for children with B-cell leukemia or lymphoma
This trial tests a CAR T-cell therapy that targets CD19 on cancer cells. It is for children whose B-cell acute lymphoblastic leukemia or aggressive B-cell non-Hodgkin lymphoma has come back or not responded to other treatments.
Los Angeles, CaliforniaAges birth–18 years - NCT06160635Recruiting
D-SOLVE: Study of Hepatitis D treatments
This trial is testing treatments for people with chronic hepatitis D, a serious liver infection. If you have antibodies to the hepatitis D virus (HDV), you may be able to join and help find better ways to manage this condition.
HanoverAges 18 years+ - NCT06177184Recruiting
Donor milk for full-term cesarean-born babies
This study tests whether giving donor breast milk to full-term babies born by C-section can improve their gut health. If your baby was born by C-section and you plan to breastfeed, this trial may be a good fit.
Calgary, AlbertaAges 9 months+ - NCT06162897Recruiting
Case management for HIV or PrEP care support
This study tests whether pairing a case manager with people living with HIV or taking PrEP can help them stay in care and address financial or food problems.
Chicago, IllinoisAges 18 years+ - NCT06177197Recruiting
Seawater spray for baby bronchiolitis
This trial tests whether a seawater spray can help clear blocked noses in babies with their first episode of bronchiolitis. The goal is to see if it improves breathing and keeps babies out of the hospital.
BrestAges 1 month–1 year - NCT06178952Recruiting
Pulse stimulation therapy for post-COVID syndrome
This trial tests a non-invasive brain stimulation method called Transcranial Pulse Stimulation (TPS) to see if it can help people with lingering post-COVID symptoms like fatigue and brain fog. If you've had COVID-19 and still have symptoms for at least 12 months, this study might be an option for you.
Vienna, State of ViennaAges 20–80 - NCT06168019Recruiting
Flu and COVID-19 study for pregnant women in Nagpur
This study follows pregnant women in Nagpur to understand how influenza and COVID-19 affect them and their babies. Participants will be contacted twice a week for symptom checks and may provide blood samples at key points during pregnancy.
Boston, MassachusettsAges 18–50 - NCT06160349Enrolling by invitation
Improving care for new mothers with infection risk
This study asks patients and community experts to share their experiences with infections during pregnancy, delivery, or after birth. Your answers can help hospitals better support mothers and prevent serious illness from infections.
New York, New YorkAges 18 years+ - NCT06164639Enrolling by invitation
Biomarkers and causes of lung injury from reflux
This study looks at why some people on breathing tubes develop lung damage from stomach acid getting into the lungs. It may help find better ways to prevent or treat this injury.
ShanghaiAges 18–99 - NCT06168006Recruiting
Exercise app for heart health after COVID
This study tests whether a smartphone exercise app can improve heart health and physical function in people who still have symptoms like fatigue or shortness of breath after COVID-19. If you qualify, you'll use the app to follow a home exercise program.
São Paulo, São PauloAges 18 years+ - NCT06159699Recruiting
Online survey about health
This trial is a simple online survey. You will answer a questionnaire from your own device, helping researchers learn more about health.
TomskAges 18 years+ - NCT06162975Recruiting
Monitoring study for a tick-borne illness
This study is tracking patients with a suspected or confirmed rickettsiosis infection, which is a bacterial disease spread by ticks. It aims to see how the illness progresses and how it is treated.
Chemal, Altai RepublicAges Any age - NCT06155747Recruiting
NTM outbreak study for people with positive lung samples
This study looks at how NTM bacteria spread among people. If you have had a positive NTM test from your lungs, you may be able to help by sharing a sample for research.
Chapel Hill, North CarolinaAges 1 month–99 years - NCT06163508Enrolling by invitation
Long-term follow-up for Q-Cells recipients
This study is for people who have already received Q-Cells treatment. It does not test new treatments; instead, it checks on your health over a long time to see how you are doing.
Dallas, TexasAges Any age
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.