Clinical trials
Vaccination clinical trials
Below are recruiting vaccination clinical trials, each written for real people, not researchers. We’re tracking 600 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05291845RecruitingPhase 2
Vaccine study for treating multiple common skin warts
This Phase 2 study tests giving a Candida antigen plus a bivalent HPV vaccine to help shrink or clear multiple common skin warts. It may help people with warts on different body areas, with different sizes or how long they’ve had them.
Zagazig, Al SharqiaAges 9 years+ - NCT05417165RecruitingPhase 2
Pneumococcal vaccine plan for CLL or SLL patients
This Phase 2 study tests a specific plan for giving a pneumococcal vaccine in people with chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL). It may help improve protection against pneumococcal infections in patients who have not started CLL/SLL treatment yet.
Columbus, OhioAges 18 years+ - NCT05644184RecruitingPhase 2
Oral polio vaccine for infants and young children in Bangladesh
This trial tests a new oral polio vaccine given to babies and young children. It aims to see whether the vaccine is safe and helps the body build protection against polio.
DhakaAges birth–4 years - NCT05654467RecruitingPhase 2
Oral polio vaccine study for young children in Panama
This trial tests a new oral polio vaccine in children and babies in Panama. The goal is to see if it is safe and helps the body build protection against polio.
Panama CityAges 1 day–4 years - NCT05832307Recruiting
Testing whether inpatient flu shots improve vaccination rates
This trial looks at an organized plan to give flu vaccines during hospital stays. It may help more inpatients get protected against influenza before they leave the hospital.
Chicago, IllinoisAges 6 months–99 years - NCT05947071RecruitingPhase 2
Higher-dose flu vaccine versus standard dose in child transplant patients
This trial compares a higher-dose flu vaccine to the standard dose in children who recently received a kidney, heart, and/or liver transplant. It aims to see which dose better protects children against influenza while checking for safety.
Stanford, CaliforniaAges 3–17 - NCT05984849Recruiting
A Game to Learn About the HPV Vaccine
This study uses a game to teach children ages 11-14 about the HPV vaccine and why it's important. It's for kids who haven't gotten the vaccine yet and their parent or guardian.
Chandler, ArizonaAges 11–14 - NCT06023056Recruiting
Hepatitis B vaccine after newborn surgery
This trial tests whether giving the hepatitis B vaccine to full-term newborns who had multiple stomach or intestine surgeries is safe and works well. It aims to protect these babies from hepatitis B infection.
Chongqing, Chongqing MunicipalityAges Any age - NCT06044077RecruitingPhase 3
Testing a new pneumonia vaccine in healthy people
This trial tests a new 23-valent pneumococcal vaccine to see if it safely protects healthy people against pneumonia and other infections caused by pneumococcal bacteria.
Chengdu, SichuanAges 2 years+ - NCT06126822RecruitingPhase 3
Study of Ebola vaccine booster in previously vaccinated adults
This study tests if a booster dose of one of two Ebola vaccines (Ervebo® or Zabdeno®) is safe and works well in people who already got an Ebola vaccine more than 4 months ago. It's especially for people living in the Democratic Republic of Congo (DRC) who may have been vaccinated before and might need a stronger, longer-lasting immune response.
GomaAges 18–50 - NCT06168032Recruiting
COVID-19 vaccine for lung cancer patients
This trial is testing how well the COVID-19 vaccine works for people with lung cancer to prevent another infection. It also looks at certain biomarkers in your blood that might help predict your body's immune response.
BeijingAges 18 years+ - NCT06181656Recruiting
Pneumonia Vaccine Study for Esophageal and Liver Cancer Patients
This trial studies how well the pneumonia vaccine works in people with esophageal or liver cancer who have low white blood cell counts after chemoradiation. It aims to see if the vaccine can still protect them from infection.
Houston, TexasAges 18 years+ - NCT06255626RecruitingPhase 1/Phase 2
New COVID-19 booster vaccine study
This trial tests a new type of COVID-19 booster vaccine that targets a protein to help your immune system. It's for people who already had a primary vaccine series and at least one mRNA booster, with the last booster at least 6 months ago.
CréteilAges 18–84 - NCT06355232RecruitingPhase 1
Oral vaccine for COVID-19 and flu
This study tests an experimental oral vaccine that may protect against both COVID-19 and the flu. Researchers want to see if it's safe and how the body responds.
Adelaide, South AustraliaAges 18 years+ - NCT06455852Recruiting
How well does the cholera vaccine protect you?
This study looks at how well the cholera vaccine and past infections protect people from getting cholera. It may help researchers understand who stays protected and for how long.
DhakaAges 2–80 - 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+ - NCT06496373RecruitingEarly Phase 1
mRNA vaccine plus immunotherapy after pancreatic cancer surgery
This trial tests a personalized mRNA vaccine combined with an immunotherapy drug (PD-1 inhibitor) to prevent pancreatic cancer from returning after surgery. It is for patients whose tumors have specific genetic features and who cannot have standard chemotherapy.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT06513494Recruiting
Health education to boost HPV vaccine in youth
This trial tests whether active health education in schools can increase HPV vaccine coverage among students. It may help protect young people from HPV-related cancers.
Crato, CearáAges 9–14 - NCT06521944Recruiting
RSV vaccine safety registry for pregnant people
This registry follows pregnant people who received an RSV vaccine during a specific window (32 to 36 weeks) to monitor safety. If you got the shot in that time, your information helps researchers understand how well the vaccine works in pregnancy.
Wilmington, North CarolinaAges 18–50 - NCT07020533RecruitingPhase 1
CMV vaccine for stem cell transplant recipients
This trial tests a vaccine designed to boost immunity against CMV (a common virus) and prevent active CMV infection in people receiving a half-matched stem cell transplant. It may help protect you from CMV-related complications after transplant.
Duarte, CaliforniaAges 18–75 - NCT06608199RecruitingPhase 3
Pneumonia vaccine study for healthy infants
This study tests a new pneumonia vaccine (PCV13) in healthy infants to see if it works as well as a current vaccine. It compares the immune response and safety of the two vaccines.
Denpasar, BaliAges 1 month–2 months - NCT06616753Recruiting
Vaccine knowledge study for hospitalized patients
This study looks at what patients at Melun Hospital know about their vaccines and how they feel about vaccination. It aims to improve communication around vaccination.
Melun, Seine Et MarneAges 18 years+ - NCT06675201RecruitingPhase 2
Personalized vaccine for advanced esophageal cancer after treatment
This trial tests a personalized vaccine made from your tumor's unique markers (neoantigens) to help prevent your advanced esophageal cancer from coming back. It's for people who have already completed strong treatment and are currently cancer-free, but have a high risk of recurrence.
Chengdu, Please SelectAges 18–80 - NCT06676644Recruiting
Flu vaccine with booster for older adults with health conditions
This trial tests whether a flu vaccine with an extra ingredient (called an adjuvant) is safer and works better for older Asian adults with chronic health conditions than a standard flu vaccine. It aims to provide better protection against the flu for people like you.
TaipeiAges 65 years+
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Common questions
- Are there clinical trials for vaccination?
- Yes. Clin2 currently lists 600 recruiting vaccination studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a vaccination trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a vaccination trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.