Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 4,178 recruiting studies in this area right now.
By phase
- Not applicable2,713
- Phase 2361
- Phase 4321
- Phase 1290
- Phase 3288
- Phase 1/Phase 2141
- Phase 2/Phase 364
Top conditions
Leading sponsors
- National Institute of Allergy and Infectious Diseases (NIAID)89
- Assistance Publique - Hôpitaux de Paris80
- University of California, San Francisco44
- Johns Hopkins University31
- Hospices Civils de Lyon30
- National Cancer Institute (NCI)28
- University of Washington27
- University Hospital, Strasbourg, France26
- Columbia University23
- University of Alabama at Birmingham23
Where studies are running
- California235
- Maryland146
- Alabama89
- New York76
- Florida74
- Texas61
- Massachusetts56
- Arizona47
- Pennsylvania45
- Illinois42
Recruiting studies4,178 total
- NCT06514664Enrolling by invitation
Do probiotic toothpastes help gums and teeth?
This trial tests whether using a probiotic toothpaste can improve gum health in people with gum disease (periodontitis). It may help reduce inflammation and slow bone loss.
KütahyaAges 18–99 - NCT06513871Enrolling by invitation
Social perception study for ages 16 and up
This study looks at how people understand social situations. It may help us learn more about social thinking in everyday life.
New Haven, ConnecticutAges 16–65 - NCT06513858Enrolling by invitation
Community drum circle for wellness
This study looks at how a community drum circle may affect your wellbeing. It is open to anyone aged 16 and older.
New Haven, ConnecticutAges 16–65 - NCT06513845Enrolling by invitation
Drum circle study for adults
This study is looking at how drumming together in a group may affect people's sense of connection and well-being. You may be able to join if you are 18 or older.
New Haven, ConnecticutAges 18–65 - NCT06503939Enrolling by invitation
Treating long COVID cough with inhaled steroids
This trial is testing if inhaled steroid medications (ICS or ICS/LABA) can help people whose cough continues long after a COVID-19 infection. It is designed for adults whose cough started after a positive COVID test and has lasted more than 8 weeks without other lung issues.
Changsha, HunanAges 18 years+ - NCT06488846Enrolling by invitation
Giving HIV injections at home with a helper
This study tests whether having a trained friend or family member give you your HIV injections at home is safe and works as well as getting them at a clinic. You may qualify if you are already on the injectable HIV medication cabotegravir/rilpivirine (Cabenuva) and have a support person willing to help.
San Francisco, CaliforniaAges 18 years+ - NCT06484686Enrolling by invitationPhase 4
Long-term immunity study of chickenpox vaccine booster
This study follows up people who were in a previous phase 3 chickenpox vaccine trial. It checks how long protection from a booster dose lasts, by taking a blood sample.
Zhengzhou, HenanAges 8–16 - NCT06483815Enrolling by invitation
Fungal infections during and after COVID-19 pandemic
This study looks at fungal infections in adults during and after the COVID-19 pandemic, comparing data from before and after. It may help understand how the pandemic affected fungal infection rates and outcomes.
IstanbulAges 18 years+ - NCT06472765Enrolling by invitation
Study of the Vaginal Ecosystem in Healthy Women
This study looks at the natural balance of bacteria and other factors in the vagina of healthy women. It aims to learn more about what a healthy vaginal ecosystem looks like.
Fullerton, CaliforniaAges 18–89 - 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+ - 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+ - NCT06350682Enrolling by invitation
HIV prevention app study for young men
This study tests a smartphone program to help young men who have sex with men stay healthy and prevent HIV. It's designed for people already getting care at certain clinics.
Abuja, NigeriaAges 15–24 - NCT06334341Enrolling by invitation
Study to improve PrEP use in primary care
This trial tests ways to help primary care providers and their patients start using PrEP, a daily pill that prevents HIV. It may be right for you if you are interested in HIV prevention.
Detroit, MichiganAges 18 years+ - NCT06314386Enrolling by invitation
Improving TB prevention in Eastern Cape clinics
This study looks at how to improve TB prevention in rural and semi-urban clinics in South Africa. They will work with clinic staff and district leaders to find better ways to stop TB.
AddoAges birth+ - NCT06312267Enrolling by invitation
Testing a special bandage to prevent wound infections after colon surgery
This trial tests a special bandage that uses a gentle electric charge to help prevent infections in surgical wounds. If you are having planned colon surgery for diverticulitis, polyps, or colon cancer, and you meet certain health requirements, you may be able to join.
Kissimmee, FloridaAges 18–90 - NCT06262282Enrolling by invitation
Phage therapy for stubborn NTM infection in cystic fibrosis
This trial tests whether a special virus therapy (phage) can help clear stubborn NTM lung infections in people with cystic fibrosis who have been on antibiotics for over a year without success. Participants will continue their antibiotics while receiving the phages.
Birmingham, AlabamaAges 6 years+ - NCT06257420Enrolling by invitation
Low-dose rapamycin for ME/CFS and Long-COVID
This trial tests whether a low dose of rapamycin, a drug that may help regulate the immune system, can improve symptoms in people with ME/CFS or Long-COVID.
Palo Alto, CaliforniaAges 18–65 - NCT06215846Enrolling by invitationPhase 1
Study of BioTTT001 for advanced solid tumors
This trial tests a new drug, BioTTT001, given as a shot directly into tumors. It is for people with certain advanced solid tumors that have stopped responding to standard treatments or who have no other options.
Shenyang, LiaoningAges 18–80 - NCT06201377Enrolling by invitation
Early healing after periodontal surgery
This trial looks at how well gum surgery incisions heal in the first days and weeks after the procedure. It may help people with gum disease who need surgery to control their condition.
Leioa, BiscayAges 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+ - NCT06178627Enrolling by invitationPhase 4
Amphotericin B for non-HIV cryptococcal meningitis
This trial tests the drug amphotericin B for people with cryptococcal meningitis who do not have HIV. The goal is to see if this treatment is safe and effective.
Shanghai, Shanghai MunicipalityAges 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 - 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 - 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+
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 4,178 recruiting infectious disease studies from the U.S. registry right now, out of 7,113 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.