Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 3,966 recruiting studies in this area right now.
By phase
- Not applicable2,545
- Phase 2357
- Phase 4302
- Phase 1287
- Phase 3282
- Phase 1/Phase 2133
- Phase 2/Phase 360
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 Alabama at Birmingham23
- University of Oxford23
- University of Washington23
Where studies are running
- California233
- Maryland142
- Alabama93
- New York73
- Florida72
- Texas62
- Massachusetts57
- Arizona48
- Pennsylvania43
- Illinois41
Recruiting studies3,966 total
- NCT05833217Recruiting
Study for persistent COVID symptoms with insulin resistance
This trial studies people who have ongoing effects after COVID (often called PASC) and may be related to weight and insulin resistance. It may help researchers find better ways to understand the condition and improve treatment.
Palo Alto, CaliforniaAges 18–80 - NCT05836272RecruitingPhase 4
Early norepinephrine for low blood pressure in sepsis
This trial tests whether starting norepinephrine early can improve outcomes for adults with sepsis who have low blood pressure. It may help stabilize circulation sooner and reduce complications from severe infection.
TunisAges 18 years+ - NCT06248151Recruiting
Exercise and heart health after COVID-19
This study looks at how a single exercise session affects the heart and blood vessels in people with lasting COVID-19 symptoms. It may help understand if exercise is safe and helpful for recovery.
São PauloAges 18 years+ - NCT06573008RecruitingPhase 3
Testing GP681 Tablets for Flu in High-Risk Patients
This study tests an oral tablet called GP681 for people with flu who are at higher risk of serious complications. It compares the new drug to a placebo to see if it helps reduce symptoms faster.
ChizhouAges 12 years+ - NCT07599449Recruiting
Tracking respiratory infections in French primary care
This study tracks viruses that cause sudden colds and flu-like illnesses during winter months in France. Researchers collect information from patients seen by participating doctors to better understand which respiratory viruses are circulating and help prepare for future outbreaks.
ParisAges Any age - NCT07600983RecruitingPhase 1/Phase 2
New pneumococcal vaccine safety and effectiveness study
This trial tests a new vaccine designed to protect against 24 types of pneumococcal bacteria (which cause pneumonia and other serious infections). Researchers are checking if it's safe and how well it works in infants, children, and adults.
ShangqiuAges 1 month+ - NCT07600788RecruitingPhase 1
Liver Function and Safety Study of AHB-137 Injection
This study tests how a new investigational drug called AHB-137 moves through your body and affects safety in people with mild-to-moderate liver problems compared to people with normal liver function. The goal is to understand if the drug works safely in people whose livers don't work as well as they should.
Chongqing, Chongqing MunicipalityAges 18–65 - NCT07601074RecruitingPhase 2
Testing DARE-HPV to Clear Persistent HPV Infection
This study tests whether DARE-HPV, a new treatment, can help your body clear a persistent human papillomavirus (HPV) infection that hasn't gone away on its own. HPV is a common virus; persistent infection with certain high-risk types can lead to cervical cancer, so clearing it early may prevent future problems.
Phoenix, ArizonaAges 22–50 - NCT07603128Recruiting
Testing a tool to predict antibiotic-resistant infections in ICU patients
This study validates a prediction tool designed to identify which ICU patients are at risk of developing multidrug-resistant gram-negative bacteria (a serious infection resistant to many antibiotics). The tool may help doctors start appropriate treatment earlier and improve patient outcomes.
Nanjing, JiangsuAges 18 years+ - NCT07599865RecruitingPhase 2
Bubble study for knee infection after joint replacement
This trial tests if a contrast agent used in ultrasound can help surgeons see pockets of infection around knee implants during revision surgery. It may help doctors do a better job cleaning out the infection.
Philadelphia, PennsylvaniaAges 18 years+ - NCT07596888RecruitingPhase 1
Early safety study of experimental HIV treatment IAP-086-1
This is an early-stage trial testing a new experimental drug (IAP-086-1) in people with HIV who have their virus well-controlled on current medications. Researchers want to understand how safe the drug is and how the body handles it.
Chapel Hill, North CarolinaAges 18–70 - NCT07602920Recruiting
Understanding Gut Leakage in Dengue Fever
This study investigates whether dengue fever causes the intestinal lining to become leaky, allowing harmful substances to enter the bloodstream. Researchers compare blood markers in dengue patients and healthy volunteers to understand how this happens and why it might make dengue worse.
Chittagong, Chattogram DivisionAges 18 years+ - NCT07601711Recruiting
Sulbactam-Durlobactam for Drug-Resistant Bacterial Infections
This study tracks hospitalized patients receiving a specific antibiotic combination (sulbactam-durlobactam) to treat a serious, hard-to-treat bacterial infection called CRAB. Researchers want to understand how well this treatment works in real-world hospital settings.
Chengdu, SichuanAges 18 years+ - NCT07599644Recruiting
Sepsis Risk Study in Chinese ICU Patients
This trial studies people with and without sepsis in the ICU to understand why some get very sick from infections. It aims to find better ways to predict who will have complications and guide treatment.
Shaoguan, GuangdongAges 18 years+ - NCT07597122Recruiting
Blood markers study in septic shock patients
This research study measures special blood markers (microRNAs) in patients with septic shock or critical illness to understand how the body responds to severe infection. Results may help doctors better diagnose and treat sepsis in the future.
BernAges 18 years+ - NCT07596316Recruiting
Understanding Immune Response to Chlamydia Infection
This study examines how your body's immune system responds to a Chlamydia trachomatis infection by analyzing urine and blood samples. Researchers hope to better understand infection patterns and improve future treatments.
Antwerp, AntwerpAges 18 years+ - NCT07597876Recruiting
COVID-19 Patient Registry and Data Collection Study
This study collects medical information from COVID-19 patients to help doctors better understand the disease and improve treatment. You'll be asked about your health history and how COVID-19 has affected you.
PaviaAges Any age - NCT07601412Recruiting
Understanding Immune Response to Respiratory Viruses in Older Adults
This study examines how the body's natural defense system (specifically a type of immune protein) responds to common respiratory viruses like flu and cold in older adults. Researchers will analyze nasal samples that are already being collected as part of routine care to better understand why older people sometimes have different immune responses to these infections.
LyonAges 60 years+ - NCT06718517Recruiting
Testing drug levels to improve antibiotic therapy in liver transplant patients
This trial checks if monitoring antibiotic levels in the blood can help doctors give the right dose to liver transplant patients with serious bacterial infections. The goal is to make the treatment work better.
BolognaAges 18 years+ - NCT05121025Recruiting
Study of stomach bacteria and gut microbes in Helicobacter infection
This study looks at how stomach bacteria (Helicobacter pylori) interact with the normal microbes in your gut. You may be asked to provide tissue, stool, and blood samples to help researchers understand infection and the body’s response.
Freiburg im Breisgau, Baden-WurttembergAges 18 years+ - NCT06717581Recruiting
Drug interaction study for older people with HIV
This study looks at how other medicines you take for conditions like high blood pressure, diabetes, or cholesterol might interact with your HIV medication (Biktarvy) if you are 60 or older. The goal is to learn how to better manage your overall health.
BolognaAges 18 years+ - NCT06574724Recruiting
Greenspace microbes and human health study
This trial looks at how tiny organisms (microbes) from parks, gardens, and other green spaces might move to people. It helps researchers understand if being around nature is good for your health.
AntwerpAges 4 years+ - NCT05484128Recruiting
Probiotic for kids taking acid-reducing medicine
This trial studies whether a specific probiotic (Lactobacillus reuteri) is helpful for children who need acid-reducing medicine for reflux or stomach discomfort. It may help improve stomach symptoms while they are on or need treatment with proton pump inhibitors.
BariAges 1–14 - NCT05969275RecruitingPhase 2
Cell therapy trial for infection-related septic shock in ICU
This Phase 2 trial tests an immune-boosting cell therapy (umbilical mesenchymal stromal cells) in people with septic shock—when infection causes dangerous stress on the heart and other organs. The goal is to see if this treatment can improve outcomes compared with standard care.
Ottawa, OntarioAges 18 years+
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 3,966 recruiting infectious disease studies from the U.S. registry right now, out of 6,543 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.