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
- NCT07095192Recruiting
Hepatitis C testing and treatment study in Canada
This study looks at how to make hepatitis C testing and treatment easier to access in Canada. It involves different people, like those at risk, healthcare workers, and policy makers, to find better ways to offer care.
Montreal, QuebecAges 18 years+ - NCT07089381Recruiting
Resveratrol for rheumatoid arthritis
This study tests whether resveratrol (a natural substance found in grapes) can help control moderate-to-high rheumatoid arthritis when added to your current RA medications. It aims to see if it reduces disease activity safely.
CairoAges 18 years+ - NCT07089966Recruiting
PrEP delivery in family planning clinics
This trial tests a program where HIV testing counselors help family planning patients learn about and get PrEP, a daily pill that prevents HIV. It aims to make PrEP easier to access in clinics you may already visit.
KisumuAges 15 years+ - NCT07093749Recruiting
Antibiotics and symptom tracking in children
This study looks at how children with common infections feel while taking antibiotics. The goal is to better understand symptom patterns during treatment.
Melbourne, VictoriaAges 4–17 - NCT06890065Recruiting
JY231 injection for relapsed B-cell lymphoma or leukemia
This trial tests a new injection called JY231 for people with B-cell lymphoma or leukemia that has come back or not responded to treatment. The therapy targets a protein called CD19 on cancer cells, helping your immune system attack them.
Zhengzhou, HenanAges 18–75 - NCT06972537Recruiting
Piperacillin-Tazobactam Dosing for Pneumonia in Older Adults
This study looks at the best way to give the antibiotic piperacillin-tazobactam (Zosyn) to people 65 and older who have pneumonia. It aims to make treatment more effective and safer for older adults.
Jinan, ShandongAges 65–100 - NCT05650905Recruiting
Eye and blood-vessel function study after COVID-19
This study measures how well the nerves in your retina and the tiny blood vessels in your eye “couple” (work together) after COVID-19. It may help researchers understand eye-related effects of COVID-19 and long COVID, and how these processes change over time.
Vienna, State of ViennaAges 18 years+ - NCT05788094RecruitingPhase 4
Compare two medicines for P. vivax malaria
This study tests how well a malaria treatment plan works for people with P. vivax malaria who don’t have another malaria type at the same time. It aims to see whether adding or using different medicines (ACT vs chloroquine with tafenoquine) helps clear infection and prevent return of disease.
Mae Sot, Changwat TakAges 18 years+ - NCT05798351Recruiting
Study bacteria on admission in adults at a hospital
This study looks at bacteria (including antibiotic-resistant germs) present when you are admitted to a hospital. It may help doctors understand how often these germs are carried and how to respond early to prevent spread.
Paris, Île-de-France RegionAges 18 years+ - NCT06968442Recruiting
Obesity and severe COVID-19 study
This study looks at how obesity affects the body's response to severe COVID-19. It compares people with obesity to healthy-weight healthcare workers to understand differences in the immune system.
Rotterdam, South HollandAges 18–65 - NCT07075939Recruiting
Centralized care for ovarian cancer: a study of outcomes
This study looks at whether having ovarian cancer care coordinated by a special team (Multidisciplinary Tumor Board) leads to better outcomes. It reviews records of patients treated between 2018 and 2023 to understand how centralization affects their health.
Carpi, ModenaAges 18–99 - NCT07085702RecruitingPhase 1
Testing a new Strep A vaccine in healthy young adults
This study tests a new vaccine designed to protect against Group A Strep bacteria. It will check how safe the vaccine is and how well it boosts your immune system. Healthy young adults between 18 and 25 years old may be eligible.
Botany, New South WalesAges 18–25 - NCT07077122Recruiting
Comparing five gum disease treatments
This trial tests five different non-surgical gum treatments to see how they affect overall health. It may be a good fit for people with advanced gum disease who do not smoke heavily or take certain medications.
AthensAges Any age - NCT07076043RecruitingPhase 4
HIV prevention for young women getting reproductive health care
This study offers different forms of HIV prevention medicine (PrEP) to young women ages 18–30 who are visiting clinics for reproductive health services like family planning or postnatal care. It aims to see which delivery method works best for you.
Thika, Kiambu CountyAges 18–30 - NCT07085611Recruiting
Studying vaccine and antibody protection in adults
This trial checks how well antibodies from COVID-19 or monkeypox vaccines or treatments work in adults. It helps researchers understand your protection level.
OrléansAges 18 years+ - NCT07084129RecruitingPhase 1
Vancomycin and kidney injury study for children with sepsis
This trial tests a different way of giving vancomycin to children with sepsis to reduce the risk of kidney injury. It compares standard dosing to an approach that adjusts dose based on how the kidneys are working.
Philadelphia, PennsylvaniaAges 1 month–17 years - NCT07076862RecruitingEarly Phase 1
PET scan study for long COVID symptoms
This study uses a special PET scan to look at inflammation in the body of people with long COVID (symptoms lasting 3+ months after infection). The goal is to understand why symptoms persist and find better ways to help.
Sacramento, CaliforniaAges 18 years+ - NCT07078929RecruitingPhase 1
CAR T-cell therapy for children with relapsed or refractory ALL
This trial tests a new type of immune therapy called CAR T-cells (engineered to find and attack a protein called CD19 on leukemia cells) for children whose acute lymphoblastic leukemia has come back or hasn't responded to usual treatments. The goal is to see if these special cells can safely help control the disease.
Bangkok, BangkoknoiAges 1–18 - NCT07079150Recruiting
Long-term pegylated interferon study for HBV families with poor outcomes
This study looks at how well pegylated interferon alpha-2b works over the long term for people with chronic hepatitis B who come from families where the virus has caused serious liver problems like cirrhosis or liver cancer. The goal is to see if this treatment can help prevent these bad outcomes in family members.
Xi'an, ShaanxiAges 18–70 - NCT07079735RecruitingPhase 2/Phase 3
Preventing CMV after heart transplant
This trial compares two antiviral drugs, valganciclovir and letermovir, to see which works better at preventing CMV infection after a heart transplant. If you've had a heart transplant and haven't started preventive treatment yet, this study may be for you.
New York, New YorkAges 18–99 - NCT07077213Recruiting
PET scan test for TB-related lung scarring
This study uses a special PET scan (called FAPI-74) to see if it can detect fibrosis (scarring) in the lungs of people with active TB. It looks at the scan both at the start of treatment and after 6 months of therapy to understand how the lungs heal.
Cincinnati, OhioAges 18 years+ - NCT07077642Enrolling by invitation
Health needs check for people with HIV
This study tests a new survey tool to better understand the health needs of people living with HIV. It aims to include a mix of ages and genders to make sure the tool works for everyone.
Genova, GenovaAges 18 years+ - NCT07083804Recruiting
Testing for H. pylori using stool samples in children
This study checks if a stool test can find H. pylori bacteria in children, instead of using a stomach biopsy during an endoscopy. It may help diagnose stomach issues with less discomfort.
PoitiersAges Up to 16 years - NCT07076238Recruiting
Phage therapy for hard-to-treat bacterial infections
This study looks at how well phage therapy works for people with stubborn bacterial infections, like NTM. If your doctor is already considering phage therapy as part of your care, this trial may help track your response.
New York, New YorkAges 18 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.