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
- NCT06407232RecruitingPhase 3
Letermovir for CMV after kidney or pancreas transplant
This trial tests whether a drug called letermovir can safely treat CMV infection in people who have had a kidney or pancreas transplant. It is for those who are at high risk for CMV and whose own immune system cannot fight the virus.
Madison, WisconsinAges 18 years+ - NCT06417762Recruiting
A study testing social media health messages for community health workers
This trial teaches community health workers how to find and share true health information on social media, and how to spot and stop false information. It aims to reduce illness from respiratory viruses in seven communities.
Chicago, IllinoisAges 18–99 - NCT06414057Recruiting
HPV study for women at higher risk in Scotland
This study looks at ways to improve cervical cancer prevention for women in Scotland who face extra challenges, such as addiction, homelessness, prison, or sex work. It includes a vaccination and screening part, plus an interview to hear your views.
EdinburghAges 25–45 - NCT06414408RecruitingEarly Phase 1
Doxy-PEP study for STI prevention
This trial studies whether giving the antibiotic doxycycline right after sex (known as Doxy-PEP) can prevent STIs. It asks participants to provide hair, blood, and urine samples and follow specific guidelines about hair and condom use.
San Francisco, CaliforniaAges 18 years+ - NCT06401720Enrolling by invitation
Flu immune response study by age
This study looks at how the immune system reacts to the flu in people of different ages. If you have flu symptoms and don't have cancer or take immune-suppressing drugs, you may be able to join.
SödertäljeAges 18 years+ - NCT06406049Recruiting
Finishing HIV prevention study
This study is for cis-gender men who are HIV-negative and at risk for HIV. It tests a program to help you start and stay on PrEP (medication to prevent HIV).
Miami, FloridaAges 18–54 - NCT06408142Recruiting
HIV testing and connection to care in South African ERs
This study tests a program that offers HIV testing and connects people to prevention or care right in the Emergency Department. It aims to make it easier for anyone visiting the ER to get the HIV services they need.
Cape Town, Western CapeAges 12 years+ - NCT06418048Recruiting
Infectious disease registry and biobank trial
This study collects medical information and optional biological samples (like blood or saliva) from people with an active or suspected infection. The goal is to build a large database that can help researchers better understand infectious diseases and develop new ways to diagnose and treat them.
MilanAges 18 years+ - NCT06402318Recruiting
Quick breath test for COVID, flu, and RSV
This study tests a breathalyzer device that quickly detects COVID-19, flu, and RSV from your breath. If you are already being tested for these viruses, you may join to see if this new method works as well as the usual swab test.
Fort Sam Houston, TexasAges 18–89 - NCT06355232RecruitingPhase 1
Oral vaccine for COVID-19 and flu
This study tests an experimental oral vaccine that may protect against both COVID-19 and the flu. Researchers want to see if it's safe and how the body responds.
Adelaide, South AustraliaAges 18 years+ - NCT06395103RecruitingPhase 1/Phase 2
Zilovertamab vedotin for blood cancers and solid tumors
This trial tests a new drug called zilovertamab vedotin for children and young adults with certain blood cancers or solid tumors. The drug is designed to target and kill cancer cells, and the study will see if it is safe and effective.
Los Angeles, CaliforniaAges 6 months–25 years - NCT04846803Recruiting
Prevent repeat UTIs using bacterial interference treatments
This trial studies a new way to help stop urinary tract infections (UTIs) from coming back by using “bacterial interference” (changing the bacteria in the urinary system). It may help people who have had UTIs keep returning despite past treatments.
Aarhus NAges 18–90 - NCT06388109Recruiting
Lifesaving support app for HIV care
This trial tests a mobile app designed to help people living with HIV stay engaged in their care. If you are newly diagnosed, have missed appointments, or have had trouble keeping your viral load suppressed, this app could provide the support you need to stay healthy.
Van Nuys, CaliforniaAges 13–34 - NCT06380114Recruiting
Standing orders for HPV vaccine
This trial tests if having a 'standing order' (an automatic request) for the HPV vaccine helps more preteens get it. It's for clinics that don't already give HPV shots to most of their teenage patients and have enough 11- and 12-year-olds who still need the vaccine.
Rochester, New YorkAges 9–17 - NCT06379321Recruiting
Triathlon Hinge Knee System Study
This study looks at how well the Triathlon Hinge Knee system works for people who need a complex knee replacement. It helps your surgeon know if this implant is a good option for you.
Weston, FloridaAges Any age - NCT06380842Recruiting
Organ function after necrosectomy for pancreatitis with sepsis
This study looks at how a surgery to remove dead tissue from the pancreas (called open necrosectomy) affects organ function in patients with acute pancreatitis and sepsis. It may help doctors understand how to better treat this serious condition.
Chengdu, ChinaAges 18 years+ - NCT06397794Recruiting
Pregnancy and parenting with Lyme disease study
This study explores the experiences of people who had Lyme disease during pregnancy or had ongoing Lyme symptoms throughout their pregnancy. By sharing your story in a recorded interview, you can help doctors and researchers better support parents with Lyme disease.
Washington D.C., District of ColumbiaAges 18 years+ - NCT06395883Recruiting
Steroids and Your Bones in Joint Disease
This study looks at how steroids affect bone health in people with inflammatory joint diseases like rheumatoid arthritis. Researchers will track markers in your blood to see if short-term steroid use impacts your bones.
DrammenAges 25–90 - NCT06381882Enrolling by invitation
Human microbiome study after pancreatic surgery
This study looks at how tiny organisms in your gut (the microbiome) affect recovery after surgery for pancreatic cancer or related growths. It may help doctors understand how to improve outcomes for future patients.
NieuwegeinAges 18 years+ - NCT06395129Recruiting
Better syringes for people who inject drugs
This study provides safer, low-dead-space syringes to people who inject drugs to help reduce the spread of infections like HIV and hepatitis C. It is designed for people in low- and middle-income countries who use needle exchange programs.
YerevanAges 18 years+ - NCT06389305Recruiting
CIK cell therapy for B-cell leukemia after CAR-T failure
This trial tests CIK immune cells for children and young adults with B-cell acute lymphoblastic leukemia that stopped responding to CAR-T cell therapy within 6 months. The goal is to see if CIK cells can help when CAR-T cells no longer work.
Beijing, Beijing MunicipalityAges 1–39 - NCT06399302Recruiting
Improving outcomes for lung transplant patients
This study looks at ways to improve outcomes for people who are waiting for or have recently received a lung transplant. It aims to find better management strategies for both donors and recipients.
Los Angeles, CaliforniaAges 18 years+ - NCT06389565Recruiting
Change My Story: A mental health program for young adults with HIV
This study tests a mental health program to help young people living with HIV who feel down or depressed. It's designed to see if talking through your story can help you feel better and function day-to-day.
Ibadan, Oyo StateAges 16–29 - NCT06397378Recruiting
Video to help college students learn about HPV vaccine
This study is testing a video to help college students learn about the HPV vaccine and consider getting it. You'll watch a short video and share your thoughts in a survey. It's a chance to learn more about a vaccine that can prevent certain cancers.
East Lansing, MichiganAges 18–26
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.