Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 3,967 recruiting studies in this area right now.
By phase
- Not applicable2,544
- Phase 2357
- Phase 4303
- Phase 1288
- Phase 3283
- Phase 1/Phase 2133
- 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 Oxford23
- University of Washington23
- University of Alabama at Birmingham22
Where studies are running
- California234
- Maryland142
- Alabama92
- New York73
- Florida72
- Texas62
- Massachusetts57
- Arizona48
- Pennsylvania43
- Illinois41
Recruiting studies3,967 total
- NCT07467018Recruiting
Mobile van study of a long-acting HIV prevention shot
This study tests if giving a long-acting HIV prevention shot (lenacapavir) from a mobile medical van can reach people at risk for HIV in Los Angeles County. You may be able to join if you are HIV negative, at risk for HIV, and are willing to try a shot instead of a daily pill.
Santa Monica, CaliforniaAges 18 years+ - NCT07471542Recruiting
Copper supplements for cirrhosis patients
This trial tests whether taking copper supplements can help people with cirrhosis (scarring of the liver) who have low copper levels or symptoms related to copper deficiency. It aims to see if this can improve their health.
Seattle, WashingtonAges 18 years+ - NCT06792214RecruitingPhase 4
Testing if antivirals prevent long-term heart problems after COVID-19
This study tests whether two antiviral medications, Paxlovid and Veklury (remdesivir), can reduce the risk of long-term heart and blood vessel problems after a COVID-19 infection. It is for adults recently hospitalized with COVID-19 who are not currently on oxygen therapy.
Kingston, OntarioAges 18 years+ - NCT05898529Recruiting
Testing COVID status in children having surgery
This study looks at how COVID-19 infection is handled in children (ages 2–17) who are scheduled for surgery. The goal is to compare testing/safety approaches and see how they may protect pediatric surgical patients.
Surrey, British ColumbiaAges 2–17 - NCT06276543Recruiting
Safety study of the Bactiseal shunt catheter
This study is for people who already have a hydrocephalus shunt (a tube that drains fluid from the brain) and have had it for at least 2 years. It tests the safety of a specific catheter called Bactiseal and tracks how well it works over time.
Beijing, Beijing MunicipalityAges Any age - NCT06793241RecruitingEarly Phase 1
Donor CAR-T cells for B-cell leukemia
This trial tests whether CAR-T cells made from a healthy donor can help treat B-cell acute lymphoblastic leukemia that has come back or not responded to treatment. It's for adults who cannot use their own cells for CAR-T therapy.
Hangzhou, ZhejiangAges 18 years+ - NCT06793020Recruiting
Study of sepsis-related heart damage using a math model
This trial tests a new mathematical model to better diagnose and treat heart problems caused by sepsis. It includes adults with sepsis or septic shock who need strong blood pressure support.
VilniusAges 18 years+ - NCT07454837RecruitingPhase 2/Phase 3
Switching to brelovitug for chronic hepatitis D patients on bulevirtide
This trial tests if switching from bulevirtide to brelovitug can help people with chronic hepatitis D (CHD). It is for adults who have been on bulevirtide for at least 6 months and still have detectable virus.
GrazAges 18 years+ - NCT07457060RecruitingPhase 4
Polio vaccine study for 2-month-old infants
This study tests giving babies two different types of polio vaccines in a specific order to see which is safer and more effective. If your baby is about 2 months old and hasn't had any polio vaccine yet, they may be able to join.
Kawit, CaviteAges 2 months–3 months - NCT07457918RecruitingPhase 3
Long-term safety of cantharidin gel for common warts
This study follows people who completed an earlier cantharidin trial to see how safe and effective the medicine is over a longer time. You may join if you still have treatable warts or finished the earlier study.
Saint Augustine, FloridaAges 2 years+ - NCT06793111Recruiting
Visceral leishmaniasis study in Emilia-Romagna
This study looks at people diagnosed with visceral leishmaniasis, a serious infection caused by a parasite. It aims to learn more about the condition and how it affects people in the Emilia-Romagna region.
Cesena, Forlì-CesenaAges 6–90 - NCT05331170RecruitingPhase 2
Re-training the nose to change how allergies behave
This Phase 2 study tests a “viral” treatment meant to reprogram the lining of your nose to reduce allergy-like immune responses. It is testing whether this approach is safe and can help people with cat allergy (with or without asthma) or compare against healthy people.
Galveston, TexasAges 18–60 - NCT06100211Recruiting
HIV, gut health, and switching HIV meds study
This study looks at how changing your HIV medication affects the bacteria in your gut. You'll provide two stool samples so researchers can see what changes happen.
Manchester, Greater ManchesterAges 18 years+ - NCT07454421Enrolling by invitationPhase 1/Phase 2
Racecadotril for organ injury in sepsis patients
This trial tests if Racecadotril, a medication that may protect organs from damage, can help people with sepsis (a severe infection that affects the whole body). It is for patients who are in the hospital and have a certain level of organ injury.
Guanzhou, GuangdongAges 18–80 - NCT07460349Recruiting
Extended interval gentamicin dosing in newborns
This study looks at spacing out doses of the antibiotic gentamicin for newborns up to 7 days old who need it. The goal is to make sure the dosing schedule works well and is safe for babies.
London, OntarioAges birth–1 week - NCT07456969Recruiting
Breath test for malaria diagnosis in Ethiopia
This trial is testing a new, non-invasive way to diagnose malaria by collecting and analyzing your breath. If you have a fever and are at least 12 years old, you may be able to help researchers see if this breath test works well.
Gonder, AmharaAges 12 years+ - NCT07462611Recruiting
Starting PrEP for HIV prevention in the emergency department
This study is testing whether starting PrEP (daily pills to prevent HIV) right away in the emergency department helps people at high risk for HIV. It aims to make it easier to start protection before you leave the hospital.
Dallas, TexasAges 18 years+ - NCT07459426Recruiting
Entecavir resistance in chronic hepatitis B patients
This study looks at whether hepatitis B virus becomes resistant to a drug called entecavir in people in Turkey. It may help doctors understand why some people's treatment stops working.
AdanaAges 18–80 - NCT07461818Recruiting
Quick treatment for cervical pre-cancer
This trial tests a new way to quickly diagnose and treat cervical pre-cancer using a point-of-care device. It may help women who are HPV-positive avoid a separate treatment visit.
San Salvador, San Salvador DepartmentAges 30–49 - NCT07458984RecruitingPhase 3
Fecal transplant capsules for repeat C. diff infections
This trial tests if capsules containing fecal microbiota can prevent further Clostridioides difficile infections in people who have had at least two recurrences. If you've had multiple C. diff infections and your symptoms go away with antibiotics, this treatment might help keep them from coming back.
Helsinki, UusimaaAges 18 years+ - NCT07455942Recruiting
Understanding why anal cancer diagnosis is delayed
This study looks at the reasons and delays in diagnosing anal cancer. It aims to help doctors detect it earlier in the future.
AngersAges 18 years+ - NCT07456332Enrolling by invitation
Digital lifestyle program for weight loss with HIV and fatty liver
This trial tests a digital lifestyle program (diet and activity coaching) to help people with HIV and fatty liver disease lose weight. It aims to see if the program can reduce body fat in the liver and improve overall health.
L'Hospitalet de Llobregat, BarcelonaAges 18 years+ - NCT07461350Enrolling by invitation
Heart health study in people with and without HIV
This study uses MRI scans to look at how stimulant use and inflammation affect the heart in people with and without HIV. It aims to learn more about heart disease risks and may help guide future care.
San Francisco, CaliforniaAges 30 years+ - NCT07458802Recruiting
Routine STI screening in early pregnancy
This study checks if routine testing for sexually transmitted infections (STIs) during early pregnancy can improve health for you and your baby. Participation involves a simple screening test at your first prenatal visit.
GaboroneAges 15 years+
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 3,967 recruiting infectious disease studies from the U.S. registry right now, out of 6,571 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.