Infectious disease
Infections clinical trials
Bacterial, viral, and other infections — from common illnesses to emerging threats. We’re tracking 3,968 recruiting studies in this area right now.
By phase
- Not applicable2,549
- Phase 2357
- Phase 4301
- Phase 1287
- Phase 3282
- Phase 1/Phase 2132
- Phase 2/Phase 360
Top conditions
Leading sponsors
- National Institute of Allergy and Infectious Diseases (NIAID)88
- 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 studies3,968 total
- NCT05303805RecruitingPhase 4
Sevoflurane gel for painful, slow-healing leg ulcers
This trial studies a topical (skin-applied) form of sevoflurane to help painful leg ulcers that are not healing on their own. If you have ongoing ulcer pain and can report it reliably, you may be considered for this treatment study.
PragueAges 18 years+ - NCT07770347Enrolling by invitation
Sepsis and the immune system study
This study looks at how the immune system works in people who are critically ill with sepsis. By understanding these changes, doctors hope to find better ways to treat this serious condition.
Beijing, Beijing MunicipalityAges 18 years+ - NCT07774962Recruiting
Comparing fingertip refill time and blood oxygen use in septic shock
This study looks at two ways to check blood flow and oxygen use in people with septic shock, a severe infection-related condition. It aims to see if a simple bedside test (fingertip refill) and a blood measure (oxygen extraction ratio) agree, which could help guide treatment.
IstanbulAges 18 years+ - NCT07769983Enrolling by invitationPhase 1
HIV vaccine study for people on effective treatment
This study tests a new vaccine designed to help your immune system fight HIV better. It is for people with HIV who are already on effective antiretroviral therapy and have a well-controlled virus. The goal is to see if the vaccine is safe and boosts your body's natural defenses.
Bern, Canton of BernAges 18 years+ - NCT07770048Recruiting
Study of hidden malaria in Odisha, India
This study looks for malaria infections that do not cause symptoms, to better find and treat them and learn how mosquitoes spread the disease. It may help improve testing and prevention in your community.
Bhubaneswar, OdishaAges 1–69 - NCT07774013Recruiting
Early infection testing for premature newborns
This study tests a faster way to check premature babies for infection using a small blood sample taken shortly after birth. It aims to help doctors detect and treat infections earlier.
Graz, StyriaAges Any age - NCT07772791Recruiting
Online study on digital tools for HIV prevention and treatment in Brazil
This study tests online programs to help people who are at higher risk for HIV get prevention or treatment. It aims to see if digital tools can improve access to and use of HIV medications.
Rio de Janeiro, Rio de JaneiroAges 18 years+ - NCT07770022Recruiting
Long COVID biomarker study for UCSF participants
This study looks for signs of Long COVID in the blood and gut to better understand the condition. If you have Long COVID or were exposed to the virus without developing it, you may be able to help.
San Francisco, CaliforniaAges 18 years+ - NCT07770126Recruiting
Stomach bacteria study for gastric conditions and precancer
This study looks for certain stomach bacteria (other than the common H. pylori) that might be linked to stomach diseases or early signs of cancer. If you have a stomach condition, your participation could help doctors understand these bacteria better.
EdegemAges 18 years+ - NCT07772752Recruiting
Urinary crystals study: antibiotics and kidney effects
This study looks at whether certain strong antibiotics can cause crystals in urine that might damage kidneys. It's for adults taking specific antibiotics at high doses.
BrusselsAges 18 years+ - NCT07769827Recruiting
Peginterferon alfa-2b for advanced liver cancer with hepatitis B
This study tests a drug called peginterferon alfa-2b for people with advanced liver cancer that cannot be removed by surgery and who also have hepatitis B. The drug aims to boost the immune system to fight the cancer and may help control the disease.
Nanjing, JiangsuAges 18 years+ - NCT04147286RecruitingPhase 2/Phase 3
Atorvastatin to lower lingering inflammation after TB treatment
This trial studies whether atorvastatin (a cholesterol medicine) can reduce ongoing inflammation after you finish standard tuberculosis (TB) treatment. If it works, it may improve how your body recovers after TB, especially by lowering inflammation-related signals.
Observatory, WCAges 18–65 - NCT05610098Recruiting
Study of gene activity in spinal tuberculosis
This trial looks at patterns of gene activity (from blood/tissue samples) in adults with spinal tuberculosis. The goal is to better understand the disease and how to tell different conditions apart, which may help future care.
Cape Town, Western CapeAges 18 years+ - NCT06507059RecruitingPhase 3
Injectable HIV treatment trial for people with unsuppressed virus
This trial tests if switching to a long-acting injectable medication can help people with HIV who have trouble keeping their virus suppressed with daily pills. You would receive shots in the buttocks every few months instead of taking pills every day.
KeelungAges 18 years+ - NCT05336357Recruiting
Non-invasive treatment plan for septic shock
This study tests a non-invasive, goal-based treatment approach for people with septic shock—an emergency condition caused by severe infection. It may help by using blood-pressure and circulation targets to guide care without more invasive procedures.
São PauloAges 18 years+ - NCT06449547Recruiting
Risk factors for anxiety and depression in shingles nerve pain
This study looks at what makes people with shingles nerve pain more likely to feel anxious or depressed. By joining, you'll help doctors understand how to better support patients like you.
Wuhan, HubeiAges 18 years+ - NCT06529237Recruiting
Malaria study for children and pregnant women in Mozambique
This study looks at how malaria spreads in Mozambique by testing children and pregnant women with fever. If you or your child may have malaria, participating could help researchers understand and fight the disease better.
Manhiça, Maputo ProvinceAges 6 months+ - NCT04056533RecruitingPhase 2
Preventing CMV after a haploidentical stem cell transplant
This Phase 2 study tests a preventive “cell therapy” made from a donor’s immune cells to lower the risk of CMV infection after a haploidentical stem cell transplant. If you’re at risk for CMV, this may help protect you during the early post-transplant period.
SantanderAges 18–80 - NCT05463380Recruiting
Study of hospitalized adults with COVID-19
This study follows adults who are in the hospital (including the emergency ward) with a confirmed COVID-19 infection. It aims to learn how COVID-19 affects people in the hospital and how different cases may differ over time.
DüsseldorfAges 18 years+ - NCT07762014RecruitingPhase 2
A new vaccine for respiratory infections in adults 60 and older
This trial tests a new vaccine designed to help protect older adults from infections that can affect breathing. You might be able to join if you're in generally good health and meet the other requirements listed below.
AthensAges 60 years+ - NCT07759245RecruitingPhase 2
Brenipatide for moderate-to-severe COPD
This trial tests a new medicine called Brenipatide to see if it can help people with moderate-to-severe COPD who still have symptoms despite using standard inhalers. The study will compare the effects of Brenipatide against a placebo to understand if it is safe and effective.
Birmingham, AlabamaAges 40–75 - NCT07766044Recruiting
Comparing two ways to close belly surgery cuts
This study compares two methods of closing the cut made during belly surgery to see which one is less likely to cause a hernia later. It is for people having planned colorectal surgery through a midline incision.
Helsingborg, Skåne CountyAges 18 years+ - NCT07764237RecruitingPhase 1
mRNA vaccine for older adults to prevent RSV and hMPV
This trial tests a new mRNA vaccine designed to protect older adults against two common respiratory viruses, RSV and hMPV. It aims to see if the vaccine is safe and creates a good immune response.
Québec, QuebecAges 60 years+ - NCT07759934RecruitingPhase 2
Comparing ASK0912 to polymyxin B for hospital-acquired pneumonia
This study compares an experimental antibiotic called ASK0912 with an approved antibiotic (polymyxin B) in adults with hospital-acquired or ventilator-associated pneumonia. It aims to see if the new drug is as effective and safe as the standard treatment.
Nanjing, JiangsuAges 18 years+
Common questions
- How many infections clinical trials are recruiting?
- Clin2 is tracking 3,968 recruiting infectious disease studies from the U.S. registry right now, out of 6,521 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.