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
- NCT06370923Recruiting
Using male peer networks for HIV prevention
This study tests if working with groups of male friends can help men better engage with HIV prevention services. It aims to find new ways to reach men who may not otherwise seek prevention tools.
Mutare, Manicaland ProvinceAges 18 years+ - NCT07149428Recruiting
Deep study of smell loss causes using brain scans
This study uses brain imaging and electrical recordings to understand the brain's role in smell loss from any cause—like COVID, sinus problems, or chemotherapy. You may be eligible if you have any degree of smell loss lasting under a year.
Bethesda, MarylandAges 18–99 - NCT07145736RecruitingPhase 4
Comparing two drugs to control river blindness and other neglected diseases
This trial tests if moxidectin works better than ivermectin for controlling river blindness and other neglected tropical diseases. Both drugs are given as a single dose during mass treatment campaigns in villages.
Andulo, Bíe ProvinceAges 5 years+ - NCT07146100Recruiting
Long-term follow-up after AHB-137 treatment for hepatitis B
This study follows participants with chronic hepatitis B who previously responded to the drug AHB-137. The goal is to track long-term health and safety after their treatment.
Hefei, AnhuiAges 18 years+ - NCT07149454Enrolling by invitationPhase 1
Testing a new antibody to prevent tetanus
This trial tests a new medicine made from antibodies that target tetanus toxin. It may help protect people from tetanus without needing a vaccine.
Lanzhou, GansuAges 18–60 - NCT07154992Recruiting
Preventing colds in kids with a probiotic
This trial tests if a daily probiotic (Lacticaseibacillus rhamnosus CRL1505) can help prevent upper respiratory infections (like colds and sore throats) in healthy children ages 3 to 12. If your child often gets sick, this supplement might reduce how often they catch a cold.
MurciaAges 3–12 - NCT07151937RecruitingPhase 2
Testing LAD191 for moderate to severe hidradenitis suppurativa
This study tests a new medicine called LAD191 for people with moderate to severe hidradenitis suppurativa (HS) who haven't been helped enough by antibiotics. Researchers want to see if LAD191 safely reduces painful bumps and tunnels.
ManisesAges 18–65 - NCT07152639RecruitingPhase 3
New skin test for tuberculosis in people 3 and older
This trial tests a new skin test (EEC) to see if it can accurately detect tuberculosis infection in people aged 3 and older. It compares the test's results in healthy people, people with TB, and people with other lung diseases to check how well it works.
Beijing, Beijing MunicipalityAges 3 years+ - NCT07146048RecruitingPhase 3
Stopping penicillin for early rheumatic heart disease
This trial tests whether it is safe to stop taking daily penicillin for children and teens whose rheumatic heart disease has improved or stayed mild. If you took part in the GOALIE study and your heart condition is now stable, this study may help determine if you can safely stop medication.
Kampala, UGAges 5–20 - NCT07152106Recruiting
Amniotic fluid and the preterm baby's gut
This study looks at the fluid around your baby (amniotic fluid) and how it might affect your baby's gut health if they are born early. It may help doctors understand how to better care for preterm infants.
AmsterdamAges 16 years+ - NCT07154615Recruiting
Immune system study in sepsis patients
This study looks at how the immune system changes in people with sepsis (a severe response to infection that can cause organ failure). It aims to understand immune dysfunction to help improve treatments.
Minneapolis, MinnesotaAges 18 years+ - NCT07147517Recruiting
Tracking respiratory viruses in your community and home
This study tracks how respiratory viruses spread in the community and within households. It involves testing and collecting samples from people who are sick or healthy, to help better understand and prevent outbreaks.
La Jolla, CaliforniaAges Any age - NCT07154199Recruiting
Ultrasound for brain fog after COVID-19
This trial tests if gentle ultrasound waves to the head can help clear brain fog that lasts after a COVID-19 infection. If you've had COVID and still feel mentally slow or forgetful, this treatment might help your thinking get sharper.
Beijing, Beijing MunicipalityAges 18–75 - NCT07148960Enrolling by invitationPhase 4
Early dual antibiotics for staph bloodstream infections
This trial tests whether giving two antibiotics early, instead of the usual one, improves recovery for people with a staph bloodstream infection (a serious bacterial infection in the blood). If you qualify, participation will involve close monitoring and follow-up care.
Morgantown, West VirginiaAges 18 years+ - NCT07145164Enrolling by invitationPhase 2
IL-15 to boost HIV control after pausing daily meds
This study tests whether giving a small protein called IL-15 can help your immune system keep HIV under control after pausing your daily HIV medications. You will stop your meds for a short time under careful monitoring, and the hope is that your body might learn to fight HIV without daily pills.
San Francisco, CaliforniaAges 18–70 - NCT05970965Recruiting
Teeth and gum study in children with Down syndrome
This study looks at how gums and inflammation work in children with Down syndrome by collecting and analyzing biological samples. It may help researchers understand gum health differences and improve future care.
Ivry-sur-SeineAges 3–12 - NCT06958874Recruiting
Erythritol for gum pocket healing
This study tests if adding erythritol to standard gum treatment helps close deep gum pockets in people with advanced gum disease (periodontitis).
L’AquilaAges 35 years+ - NCT04098315Recruiting
HIV drug-resistance patient registry study for people 14+
This study is a registry (a way to collect and organize information) for people living with HIV who have drug-resistant virus. It may help researchers better understand how resistant HIV behaves and how to manage treatment over time.
Milan, MIAges 14 years+ - NCT05663580Recruiting
Study of HIV treatment with long-acting injected medicines
This study follows adults with well-controlled HIV who are planning to switch to a long-acting HIV medicine given as injections. It may help researchers understand how this approach works for people already stable on current treatment.
MilanAges 18 years+ - NCT05892614RecruitingPhase 2
Efzofitimod for early systemic sclerosis lung scarring
This trial tests efzofitimod to see if it can improve or slow lung disease caused by systemic sclerosis (scleroderma), and to check safety and side effects. It focuses on people with relatively early disease and measurable lung involvement on lung scans.
Los Angeles, CaliforniaAges 18 years+ - NCT07138144RecruitingPhase 4
Switching to a two-drug HIV pill vs. staying on three drugs
This study tests whether switching to a simpler, two-drug HIV pill (dolutegravir/lamivudine) is as safe and effective as staying on a three-drug regimen. It is for people whose HIV is already well-controlled and who are currently taking Biktarvy or Triumeq.
Mexico City, Mexico CityAges 18–70 - NCT07136467Recruiting
Understanding daily life with vitiligo, alopecia areata, or hidradenitis suppurativa
This study looks at how certain skin conditions affect daily life in teens and adults. Researchers want to understand the challenges people face with vitiligo, alopecia areata, or hidradenitis suppurativa by having participants fill out simple questionnaires.
Ciudad Autonoma de Buenos Aire, Buenos AiresAges 12 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 - NCT06947356Recruiting
TAF vs TDF to prevent passing hepatitis B to babies
This trial tests if TAF is safer and as effective as TDF for pregnant women with high hepatitis B viral loads to prevent passing the virus to their babies. You may qualify if you are pregnant, between 20-28 weeks, and have high viral levels.
Guangzhou, GuangdongAges 20–40
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.