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
- NCT07370207RecruitingPhase 2
Study of AHB-137 for HBeAg negative chronic hepatitis B
This study tests a new medicine called AHB-137 for people with chronic hepatitis B who are HBeAg negative and currently on antiviral therapy. The goal is to see if it can help control the virus better or allow you to stop your current medication safely.
Fitzroy, VictoriaAges 18–65 - NCT06839209Recruiting
Add-on TOXCLEAN for recurrent C. difficile diarrhea
This trial tests an add-on treatment called TOXCLEAN for people with repeat C. difficile diarrhea. It aims to see if adding TOXCLEAN to standard antibiotics helps more than antibiotics alone.
RomaAges 18 years+ - NCT06161285Recruiting
Gut germs and immune response in infant bronchiolitis
This study looks at how the germs in a baby's gut and their immune system respond to bronchiolitis (a common lung infection). If your baby is under 12 months and gets bronchiolitis during the RSV season, their participation could help us understand why some babies get very sick and others don't.
ClamartAges 1 day–1 year - NCT06550609RecruitingPhase 2
Inhaled pentamidine plus oral miltefosine for mucosal leishmaniasis
This trial tests a combination of two medicines—inhaled pentamidine and oral miltefosine—to treat mucosal leishmaniasis, a parasitic infection of the nose, mouth, and throat. It may be an option for people in Bolivia who have not been treated recently.
La Paz, La Paz DepartmentAges 12 years+ - NCT06127290Recruiting
HIV treatment study for people in Eastern Europe and Russia
This study looks at how well newer HIV medicines work in people starting treatment for the first time in Eastern Europe and Russia. It also checks for drug resistance to find better treatment strategies.
CologneAges 18 years+ - NCT06656676Recruiting
WePrEP: HIV prevention tool for transgender women
This study is creating a decision-making tool to help transgender women choose the right PrEP (HIV prevention pill) for them. It is looking for transgender women in Denver who are HIV-negative and interested in learning more about PrEP, as well as healthcare providers who help transgender women decide about PrEP.
Sheridan, ColoradoAges 18–65 - NCT07356323Recruiting
Study on antibacterial drape for hip or knee replacement
This trial tests if a special antibacterial drape reduces contamination during hip or knee replacement surgery. The drape is placed over the skin to help prevent infection.
Fishers, IndianaAges 22 years+ - NCT07357051RecruitingPhase 3
Flu treatment study for children ages 2 to 12
This trial tests a new oral medicine (JKN2301) for children with the flu. It aims to see if the medicine is safe and works well to treat flu symptoms like fever and cough.
Guangzhou, GuangdongAges 2–11 - NCT07354269RecruitingPhase 4
Polio vaccine study for adolescents and adults
This trial tests a polio vaccine (sIPV) in healthy people aged 7-50 years. It aims to see how safe and effective the vaccine is, and may help protect against polio.
Dingxi, GansuAges 3 months–50 years - NCT07357584RecruitingPhase 4
Quick-start HIV treatment with doravirine for newly diagnosed adults
This study tests a fast-start HIV treatment using doravirine, tenofovir, and lamivudine for people who were just diagnosed with HIV in the last 30 days and have never taken HIV medications before. The goal is to see if starting treatment right away is safe and effective.
Ciudad Autonoma de Buenos Aire, Buenos AiresAges 18–90 - NCT07359482RecruitingPhase 3
Fluvoxamine for fatigue after covid-19
This study tests the antidepressant fluvoxamine to see if it can reduce long-term fatigue in adults who developed severe tiredness after a covid-19 infection. You may join if your fatigue started or got worse after covid and has lasted at least 3 months.
Amsterdam-ZuidoostAges 18–70 - NCT07359651Recruiting
Study on factors linked to death in severe tissue infections
This study looks at what factors are linked to higher risk of death in patients hospitalized with a severe, flesh-eating infection called necrotizing soft tissue infection (NSTI). It aims to help doctors better identify and treat these dangerous infections.
CagliariAges 18 years+ - NCT07358130Recruiting
Comparing two treatments for H. pylori infection
This trial tests two different ways to treat Helicobacter pylori (H. pylori), a bacteria that can cause stomach ulcers. One treatment combines three medicines (bismuth, amoxicillin, and vonoprazan), and the other uses four medicines (bismuth quadruple therapy). The goal is to see which works better.
Kaohsiung CityAges 18 years+ - NCT07356570Recruiting
Post-COVID care tracking study for long-term symptoms
This study follows people with lasting or complex COVID-19 symptoms who are already in a specialized care program. It aims to better understand and improve recovery after COVID.
Pierre-BéniteAges 18 years+ - NCT07354568Recruiting
Mixed heart and blood vessel shock study
This study looks at people with a severe type of shock that affects both the heart and blood vessels, treated in the intensive care unit. It aims to understand how these patients recover and what factors impact their survival.
Amiens, SommeAges 18 years+ - NCT07355452Enrolling by invitation
Leg closure after heart bypass vein harvesting
This trial compares two ways of closing the leg after doctors remove a vein for heart bypass surgery. The goal is to see which method leads to better healing and fewer complications.
Karachi, SindhAges 18–70 - NCT07357038Recruiting
AmBisome for fungal infections in children with blood cancer
This study follows children and teens with blood cancers who got a fungal infection while on preventive antifungal medicine. It looks at how well liposomal amphotericin B (AmBisome) works and how safe it is for them.
Tianjin, Tianjin MunicipalityAges 1 month–18 years - NCT07358910Recruiting
Tracking infectious diseases in communities
This study looks at how infections spread in villages in Cambodia. If you live in a participating village, you might help us understand and prevent disease outbreaks.
Phnom Penh, Phnom PenhAges 2–75 - NCT07356583Recruiting
Neonatal enterovirus infections in Italy
This study looks at enterovirus infections in newborn babies admitted to intensive care, focusing on one type called echovirus 11. It aims to better understand the virus and how it affects babies to improve care.
Pavia, LombardyAges 1 day–4 weeks - NCT07359287Recruiting
Study on antibiotic use for respiratory infections
This study tests a program to help doctors prescribe antibiotics more carefully for common respiratory infections like colds, flu, bronchitis, and sinusitis. It may lead to better treatment for you.
CaenAges Any age - NCT07361679RecruitingPhase 4
Aspirin plus heparin vs aspirin alone for preeclampsia prevention
This trial tests whether adding a daily blood-thinning injection (heparin) to low-dose aspirin helps prevent preeclampsia better than aspirin alone for pregnant women at high risk.
Athens, AtticaAges 18 years+ - NCT07358949Recruiting
Rapid syphilis test for family planning patients in Hawai'i
This study tests a quick syphilis test for people getting birth control or abortion services. It aims to see if the test is easy to use and helpful in a clinic setting.
Honolulu, HawaiiAges 14 years+ - NCT03365609Recruiting
Testing different treatment plans for H. pylori in children
This study compares four ways to treat H. pylori (a stomach germ) in children, to see which works best. It may help families by finding more effective or tolerable treatment options.
Shanghai, Shanghai MunicipalityAges 6–18 - NCT05041556Recruiting
Study of RTS,S malaria vaccine evidence in local areas
This study checks how well evidence about the RTS,S/AS01 malaria vaccine helps inform health policy. You may be included if you live in a specific local area and your child is the right age for the vaccine schedule, and you agree to participate.
KintampoAges 6 months–4.9 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.