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 applicable2,710
- Phase 2360
- Phase 4321
- Phase 1291
- Phase 3288
- Phase 1/Phase 2141
- Phase 2/Phase 364
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
- California236
- Maryland147
- Alabama89
- New York76
- Florida74
- Texas61
- Massachusetts56
- Arizona46
- Pennsylvania45
- Illinois42
Recruiting studies4,175 total
- NCT06472219RecruitingPhase 3
PREDICATE trial for serious lung infections
This trial tests a new approach to treating serious respiratory infections in hospitalized adults. It aims to see if a targeted strategy works better than standard care while avoiding extra risks.
Hong KongAges 18 years+ - NCT06473844Recruiting
SGLT2 inhibitors for adults with sepsis
This trial tests whether a type of diabetes medicine (SGLT2 inhibitors) can help adults with sepsis, a life-threatening response to infection. If you have new-onset sepsis and can take oral medicine, you may be eligible.
Hong Kong, Hong KongAges 18 years+ - NCT06476171Recruiting
Blood test study for heart surgery patients
This study looks at blood test results from people having heart surgery with a heart-lung machine. It will help doctors understand and improve the use of these tests.
MoscowAges 18–80 - NCT06476210RecruitingPhase 4
New drug combo for drug-resistant tuberculosis
This trial tests a three-drug combination (bedaquiline, delamanid, and linezolid) to see if it's safe and works well for people with multi-drug resistant or rifampicin-resistant tuberculosis. It may offer a new treatment option if standard drugs aren't working.
Hefei, AnhuiAges 18 years+ - NCT06477185RecruitingPhase 2
Preventing lung scarring after TB with doxycycline
This trial tests whether the antibiotic doxycycline can prevent lung scarring (fibrosis) after a serious TB infection. You may be eligible if you are currently being treated for active TB and have significant lung damage on your chest X-ray.
Kampala, KampalaAges 18–65 - NCT06478160Recruiting
Closed blood-sampling system for ICU patients
This trial is testing a new way to draw blood from an arterial line that may reduce infection and blood loss. It is for adults in the ICU who need an arterial line for several days.
Madrid, MadridAges 18 years+ - NCT06480604Recruiting
Probiotic for yeast infection prevention
This trial tests if taking a multi-strain probiotic daily can prevent repeat yeast infections in women who have had at least three infections in the past year.
Vadodara, GujaratAges 18–50 - NCT06480578RecruitingPhase 2
Sensor pill study to improve HIV medication adherence
This study tests a special pill that has a sensor inside, which sends information to your doctor or care team to help you remember to take your HIV medication. It is for people who sometimes miss doses and want extra support.
Los Angeles, CaliforniaAges 18 years+ - NCT06480825Recruiting
Ultrasound study of gum tissue
This study uses a special high-frequency ultrasound to take detailed pictures of your gum tissue. It may help doctors understand gum disease better and find new ways to treat it.
Pisa, ItalyAges 18–70 - NCT06481410Recruiting
Methylene blue for severe septic shock
This trial is testing whether a medication called methylene blue can help people with severe septic shock who are already on strong blood pressure support (norepinephrine). The goal is to see if it improves survival and reduces the need for other treatments.
Hangzhou, ZhejiangAges Any age - NCT06482138Recruiting
Why smell may change after COVID-19: a nose tissue study
This study looks at why some people lose or change their sense of smell after COVID-19. Researchers will take a tiny sample of tissue from your nose to study the cells and molecules involved.
Brussels, Brussels CapitalAges 18–70 - NCT06482463Recruiting
D-lactate test for meningitis in patients with a brain drain
This study checks if a substance called D-lactate in the fluid around your brain can help diagnose meningitis that develops in the hospital after a brain drain (ventriculostomy). It aims to improve diagnosis.
ToulouseAges 18 years+ - NCT06483854Recruiting
HIV testing from traditional healers in rural South Africa
This trial compares HIV counseling and testing provided by traditional healers to the standard care approach. If you are over 18 and would like to receive an HIV test from a traditional healer, you may be able to join.
Agincourt, MPAges 18 years+ - NCT06484335RecruitingPhase 1
Testing an HIV vaccine and antibody combo for treatment-free control
This study tests a combination of an HIV vaccine and an antibody infusion to see if your immune system can control HIV without daily pills. You would temporarily stop your HIV medication under close monitoring and restart if needed.
Pathum Wan, BangkokAges 18–60 - NCT06484530RecruitingPhase 4
Gene-guided NAC to prevent TB drug liver injury
This trial tests whether a medicine called N-acetylcysteine (NAC) can help prevent liver damage caused by standard TB drugs. If you have a higher risk of liver injury based on your genes, you may be given NAC along with your TB treatment.
Bangkok Noi, BangkokAges 18–80 - NCT06485505RecruitingPhase 1
Isotretinoin vs light for nail fungus treatment
This trial compares two treatments for nail fungus (onychomycosis): a medication called isotretinoin and a special light therapy (excimer light) used alongside standard care. It aims to find which works better as an add-on treatment.
Zagazig, ZagazigAges 18–60 - NCT06485895Recruiting
Testing a new TB blood test for diagnosis
This study is testing a new blood test (IGRA) to see if it can help doctors diagnose active and latent (hidden) tuberculosis. If you are already being treated for TB and have had an IGRA blood test, you may be able to join.
MarseilleAges 18 years+ - NCT06554223Recruiting
HIV treatment support for people with gaps in care
This study is for people with HIV who have had a gap in care (missed an appointment or had a detectable viral load). It tests a program to help you stay on your dolutegravir-based HIV medication and keep your viral load undetectable.
Cape TownAges 18 years+ - NCT06230367Recruiting
Text program for HIV prevention for young guys who like guys
This trial tests a text-messaging program to help young guys who have sex with guys stay HIV-negative. It's designed for teens and young adults who own a cell phone and can take a quick HIV test at home.
San Clemente, CaliforniaAges 13–22 - NCT06250504RecruitingPhase 3
HIV prevention study for young adults
This study tests a long-acting HIV prevention shot (Cabotegravir) or a vaginal ring (DapiRing) along with sexual health services for young people. It aims to find the best way to prevent HIV and support overall health.
Somkele, KwaZulu-NatalAges 15–30 - NCT07206745Recruiting
Chinese and Western medicine for severe pneumonia from drug-resistant bacteria
This trial tests a combination of traditional Chinese and Western medicine for adults with severe pneumonia caused by bacteria that are resistant to multiple antibiotics. It aims to see if this combined approach can improve treatment outcomes.
Zhengzhou, HenanAges 18–80 - NCT07135453RecruitingPhase 4
Pneumonia vaccine study for healthy adults
This trial tests whether a pneumococcal vaccine can help protect against a specific type of pneumonia bacteria. Researchers want to see if the vaccine can create antibodies that work against multiple strains.
Birmingham, AlabamaAges 18 years+ - NCT07263230RecruitingPhase 2
Roflumilast Foam for Hidradenitis Suppurativa
This study tests whether roflumilast foam (a prescription foam) is safe and can reduce inflamed bumps in people with mild-to-moderate hidradenitis suppurativa (HS) who do not have draining tunnels. Participants will stop other HS treatments during the trial.
Boston, MassachusettsAges 18 years+ - NCT07317011Recruiting
Active referral for hepatitis B patients
This trial aims to connect adults with chronic hepatitis B to proper care. It tests an active referral program for patients hospitalized in specific departments in Bergamo, Italy, or attending certain clinics, to see if it improves follow-up and treatment.
BergamoAges 18–100
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 7,094 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.