Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 4,175 recruiting studies in this area right now.
By phase
- Not applicable2,709
- Phase 2362
- Phase 4321
- Phase 1291
- Phase 3285
- Phase 1/Phase 2142
- Phase 2/Phase 365
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 University32
- 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
- Maryland147
- Alabama89
- New York77
- Florida74
- Texas61
- Massachusetts56
- Arizona47
- Pennsylvania45
- Illinois42
Recruiting studies4,175 total
- NCT07545876Recruiting
Understanding pneumococcal bacteria in Malaysian children
This study collects nasal swabs from young children in Malaysia to learn which types of pneumococcal bacteria are present, which antibiotics work against them, and how they spread. This information helps doctors better treat and prevent pneumococcal infections in children.
Kuala Lumpur, Kuala LumpurAges birth–5 years - NCT05052619Recruiting
Check lactate-guided prevention after pancreas surgery
This study looks at whether measuring a blood test called lactate after surgery can help prevent infections inside the belly. You may be eligible if you recently had pancreas surgery and your lactate rises above a certain level within 24 hours.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06660342Recruiting
Safety of vonoprazan in pregnant women study
This study looks at the safety of vonoprazan (a medicine for acid reflux) when taken during pregnancy. It follows pregnant women who took the drug and those who didn't, to see how it affects mothers and their babies.
Wilmington, North CarolinaAges 15–50 - NCT07084402RecruitingPhase 4
Effect of Contezolid on MAC lung disease
This trial tests whether the drug Contezolid can quickly kill the bacteria that cause MAC lung disease, a type of lung infection. It is for people who have not been treated for this infection in the last 3 months.
Beijing, Beijing MunicipalityAges 18–75 - NCT06741306Recruiting
Long-term health study of young gay men who use drugs during sex
This study follows young men who have sex with men and use drugs during sex (chemsex) to understand their health and behaviors. It aims to provide better care and support.
Bangkok, BangkapiAges 16–35 - NCT05804461Recruiting
PrEP support study for Latino gay and bisexual men in Puerto Rico
This study tests ways to help Latino men who have sex with men use PrEP, a medicine that helps prevent HIV. You may be invited if you are HIV-negative (or your status is unknown), are not currently on PrEP, and can read and write Spanish.
San JuanAges 21–99 - NCT06995157Recruiting
HPV infections and vaccine attitudes in Slovenian women
This observational study looks at HPV infections and women's views about the HPV vaccine in Slovenia. It aims to understand the characteristics of HPV infections and attitudes toward vaccination after the vaccine became available.
Ljubljana, Municipality of DomžaleAges Up to 35 years - NCT06640192RecruitingPhase 2
High-dose HIV drugs to clear hidden virus
This study tests whether giving very high doses of your current HIV meds can flush out hidden HIV that stays in the body even when the virus is undetectable. It might help find a way to reduce or eliminate the reservoir of latent HIV.
Madrid, MadridAges 18–60 - NCT06745947Recruiting
Study to improve HIV prevention habits in young gay and bisexual men
This study tests a new approach to help young gay and bisexual men who take PrEP medication prevent HIV but sometimes miss doses or have condomless sex. It aims to see if behavioral strategies can improve adherence to PrEP and reduce risky behaviors.
San Antonio, TexasAges 18–34 - NCT07569939Recruiting
Treatment options for sore throat from viral infection
This study tests different treatments to help ease sore throat pain and symptoms caused by viral throat infections. It aims to find the best way to relieve discomfort when you have pharyngitis, tonsillitis, or a viral sore throat that started recently.
Clermont-FerrandAges 18–70 - NCT06971367Recruiting
Study to encourage HIV retesting in Kenya and Uganda
This study is testing different ways to encourage people who are at higher risk for HIV to get retested regularly. If you are HIV-negative and get tested at a participating clinic, you may be eligible.
MbitaAges 15 years+ - NCT05985642Recruiting
HIV treatment interruption study for long-term participants
This study looks at people with HIV who have already taken a break from their HIV medications (called an analytic treatment interruption, or ATI) as part of another study. It aims to understand how well the body can control the virus during longer breaks from treatment, up to 96 weeks.
San Francisco, CaliforniaAges 18 years+ - NCT07134270Recruiting
Digestive bacteria and infection risk in hospitalized patients
This study looks at whether patients in the hospital who carry certain resistant bacteria in their gut are more likely to get infections. The goal is to understand the risk so doctors can better protect you.
Bucharest, BucharestAges 18 years+ - NCT07317154RecruitingPhase 1
Dendritic cell vaccine for HPV type 6 recurrent respiratory papillomatosis
This Phase 1 trial is testing a vaccine made from your own immune cells (dendritic cells) that may help your body fight the virus causing recurrent papillomas in your voice box. It is for people whose papillomas are caused by HPV type 6, who have had at least one recurrence in the past year.
Scottsdale, ArizonaAges 18 years+ - NCT07529171Recruiting
Monitoring hepatitis B reactivation in immunosuppressed patients
This study tracks patients who carry hepatitis B antibodies and are about to start immunosuppressive therapy (medications that weaken the immune system). Researchers want to understand when and how hepatitis B can reactivate in these patients and how to prevent it.
AdanaAges 18–80 - NCT06617091RecruitingPhase 1
HIV vaccine trial for healthy adults with and without HIV
This trial tests an experimental HIV vaccine in healthy adults, including those living with HIV. The goal is to see if the vaccine is safe and prompts an immune response.
Mtubatuba, KwaZulu-NatalAges 18–50 - NCT07725042Recruiting
HIV infection study in Hong Kong for newly diagnosed adults
This study looks at people newly diagnosed with HIV in Hong Kong. It aims to understand patterns of infection to improve care.
North PointAges 18 years+ - NCT06757166Recruiting
Non-invasive respiratory support for COVID-19 breathing failure
This study tests if non-invasive breathing support (like a mask or high-flow oxygen) can help hospitalized patients with low oxygen levels due to COVID-19, without needing a breathing tube. It aims to see how well it works and what risks it may have.
Rotterdam, South HollandAges 18 years+ - NCT06444360Recruiting
Program to reduce stimulant use and risky sex in young adults
This study tests a program to help sexually active young adults reduce stimulant use and risky sexual behavior. It involves online coaching sessions, and you can join from home if you have a private space and video chat access.
Los Angeles, CaliforniaAges 16–24 - NCT07706634Recruiting
Helping people with HIV stay in care
This study tests ways to help people living with HIV in Indonesia stay engaged in their care. It may help you if you want extra support to keep up with your appointments and treatment.
Depok, West JavaAges 18 years+ - NCT06737809Recruiting
Silver-coated hip revision for infection
This trial tests a new silver-coated hip implant for people who need a revision due to a chronic infection around the joint. It may help control the infection while replacing the implant.
BerlinAges 18 years+ - NCT04799288RecruitingPhase 1/Phase 2
Teriflunomide for HTLV-1 spinal cord stiffness and weakness
This early-phase trial tests whether teriflunomide can help people with HTLV-1 associated myelopathy (HAM) or tropical spastic paraparesis (TSP). It also checks safety and how well the treatment can be followed over time.
Bethesda, MarylandAges 18–120 - NCT07704333RecruitingPhase 1
PET scan test for mold infections
This study is testing a new imaging agent to see if it can help detect invasive mold infections in the body. It will involve healthy volunteers and people with certain types of fungal infections.
Bethesda, MarylandAges 18–100 - NCT06453460RecruitingPhase 2
Preventing CMV with letermovir after stem cell transplant
This trial tests whether the drug letermovir can prevent cytomegalovirus (CMV) infection in people who have had a stem cell transplant. It is for adults who are CMV-positive and have not yet had a CMV infection.
Orange, CaliforniaAges 18 years+
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 4,175 recruiting infectious disease studies from the U.S. registry right now, out of 7,037 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.