Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 4,173 recruiting studies in this area right now.
By phase
- Not applicable2,709
- Phase 2360
- Phase 4322
- Phase 1292
- Phase 3284
- Phase 1/Phase 2141
- 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
- Arizona46
- Pennsylvania45
- Illinois42
Recruiting studies4,173 total
- NCT07346521Recruiting
Stomach cancer screening during routine colonoscopy
This study looks for early signs of stomach cancer and Barrett's esophagus (a precancerous condition) in people who are already getting a routine colonoscopy. By adding a quick upper endoscopy during the same visit, doctors can check for H. pylori infection and abnormal tissue changes without extra hassle.
ViennaAges 30 years+ - NCT07212361Recruiting
Restoring infant gut bacteria with mother's microbes
This study tests whether giving healthy newborns a special mix of their own mother's friendly bacteria can help build a healthy gut. It is for mothers who had a healthy pregnancy, plan to breastfeed, and live near Helsinki.
HelsinkiAges Up to 50 years - NCT07231770Recruiting
Sulfamethoxazole prevention study after kidney transplant
This trial tests how long kidney transplant patients should take a common antibiotic (sulfamethoxazole) to prevent a lung infection called PJP. You may join if you are between 18 and 70 and have had a kidney transplant.
Hefei, AnhuiAges 18 years+ - NCT07256561Recruiting
Testing simvastatin gel inside root canals for infection and pain
This study tests whether a gel containing simvastatin, a medicine usually used for cholesterol, can help fight infection and reduce inflammation inside a tooth's root canal. It might be a treatment option for people who have a failed root canal and still have a small infection at the tip of the tooth root.
CairoAges 20–40 - NCT07194902Recruiting
HIV self-testing for partners of new and expecting mothers
This study offers HIV self-testing kits to the partners of pregnant women and new mothers who are HIV-negative. It aims to make testing easier and more accessible for partners whose HIV status is unknown.
Durban, KwaZulu-NatalAges 18 years+ - NCT07261969Recruiting
Blood test and leaflet to guide antibiotic use for respiratory infections
This trial tests if a quick blood test (C-reactive protein, CRP) and a patient leaflet can help doctors prescribe antibiotics only when needed for adults with respiratory tract infections. It aims to reduce unnecessary antibiotic use.
Sokuluk Village, Chui RegionAges 18–70 - NCT07262814RecruitingPhase 2
Testing arpraziquantel for liver fluke in children
This study tests if higher doses of arpraziquantel can safely treat children infected with the liver fluke Opisthorchis viverrini. It aims to find the best dose that clears the infection.
VientianeAges 6–7 - NCT07120464Recruiting
Rabies vaccine study for people with weak immune systems or older age
This study tests how well a rabies vaccine works and how safe it is for people whose immune systems may be weaker, such as those with certain long-term illnesses, organ transplants, or age 60 and older. It compares them to healthy adults ages 18 to 59.
Shenzhen, GuangdongAges Any age - NCT07129603Recruiting
Detecting Brain Complications After a Non-Traumatic Bleed
This study looks for clues in your blood or spinal fluid that might predict brain spasms, delayed damage, or infections after a brain bleed. If you already need a drain to remove fluid, you could be a candidate.
DebrecenAges 18 years+ - NCT07171164Recruiting
Community-based ways to boost RSV vaccine use in Latino adults
This study looks at community-based ways to help Latino adults ages 50 and older in San Francisco and Daly City get the RSV vaccine. The goal is to learn what works best to increase vaccination rates.
San Francisco, CaliforniaAges 18 years+ - NCT07125235Recruiting
Support program for HIV treatment adherence
This trial tests a program to help people with HIV stay on track with their medication. If you take HIV medication, sometimes miss doses, and use stimulants, this program may offer support to improve your health.
San Francisco, CaliforniaAges 18–70 - NCT07096453RecruitingPhase 1/Phase 2
CMV prevention in kidney transplant patients switching to belatacept
This trial tests whether an experimental drug (CMVIG) can prevent CMV infection in kidney transplant patients who are switching to or already on belatacept, a newer immunosuppressant. It may help protect those at higher risk for CMV.
Minneapolis, MinnesotaAges 18–70 - NCT00114647Recruiting
Blood draw to collect plasma or white blood cells for lab tests
This trial uses a special blood-removal procedure called apheresis to collect either plasma or white blood cells for laboratory research. It may help scientists understand infection or immune-related processes by providing specific blood components for study.
Bethesda, MarylandAges 18–100 - NCT06714864RecruitingPhase 4
Preventing catheter infections in children on dialysis
This study tests a liquid that is put into the dialysis catheter after each session to prevent infections that can happen through the catheter. It is designed for children up to age 18 who need hemodialysis through a catheter.
Birmingham, AlabamaAges Up to 17 years - NCT07030075Recruiting
Flu and respiratory infection study in Lusaka
This study looks at flu-like symptoms and other respiratory infections in adults in Lusaka, Zambia. It aims to understand how these infections affect people with and without HIV, and may help improve care.
Lusaka, Lusaka ProvinceAges 18 years+ - NCT06029933Recruiting
Comparing two flu vaccines for older adults
This study compares two types of flu shots for people 65 and older to see which works better. If you are a Kaiser Permanente member and get your flu shot at a Kaiser facility, this trial looks at your health records to see how well the vaccine protected you.
Oakland, CaliforniaAges 65 years+ - NCT07748169Recruiting
Observational study of skin disease patients
This study looks at the health records of people with skin diseases to learn more about their care and outcomes. It may help improve future treatments.
Winston-Salem, North CarolinaAges Any age - NCT07341386RecruitingPhase 4
Preventing herpes outbreaks in autoimmune rheumatic diseases
This trial tests whether a medicine called acyclovir can prevent herpes simplex outbreaks in people who also have an autoimmune rheumatic disease. It may help reduce the number of painful cold sores or genital herpes episodes you experience.
São Paulo, São PauloAges 12 years+ - NCT06124157RecruitingPhase 2
Targeted therapy plus chemo for children with Ph+ or Ph-like B-ALL
This trial tests if adding a targeted drug (dasatinib or imatinib) to a chemotherapy combination with blinatumomab works better for children and young adults with a specific genetic form of B-cell acute lymphoblastic leukemia. The goal is to see if this approach can improve treatment outcomes for patients with Philadelphia chromosome-positive or ABL-class Ph-like B-ALL.
Birmingham, AlabamaAges 1 year–46 years - NCT07746999Enrolling by invitation
Liver health study for transgender adults
This study looks at liver health in transgender individuals to better understand and improve care. You may join if you are 18 or older and can read and write in English.
Newark, New JerseyAges 18 years+ - NCT07739004Recruiting
Fever in Children: Predictors of Serious Illness
This study looks at children with fever to find early signs that might predict serious illness, helping doctors make better triage decisions in the emergency room.
Kayseri, TalasAges birth–18 years - NCT07137910RecruitingPhase 2
Study of AHB-137 for chronic hepatitis B
This trial tests a new injection called AHB-137 for people with chronic hepatitis B. It aims to see if the drug is safe and helps control the virus.
Beijing, Beijing MunicipalityAges 18–65 - NCT07745530Recruiting
How platelets affect HIV reservoirs in the blood
This study looks at how platelets (small blood cells that help with clotting) might influence the hidden HIV that remains in your body even when your viral load is undetectable. The goal is to understand why some people's immune systems don't fully recover despite effective HIV treatment.
TourcoingAges 18 years+ - NCT07744321Recruiting
Bacteria in stool during long ICU stays
This study looks at how certain bacteria (Klebsiella pneumoniae and Enterobacter cloacae) change over time in the stool of ICU patients staying at least 28 days. It aims to understand why these infections occur and how they evolve, which could help improve future care.
CaenAges 18 years+
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 4,173 recruiting infectious disease studies from the U.S. registry right now, out of 7,061 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.