Clinical trials
Vaccination clinical trials
Below are recruiting vaccination clinical trials, each written for real people, not researchers. We’re tracking 575 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07104240Recruiting
Improving HPV vaccination for preteens ages 9-12
This study tests a program designed to help primary care practices increase HPV vaccination rates among adolescents aged 9 to 12 who haven't yet been vaccinated. It aims to find out if providing practices with resources and support can lead to more kids getting the HPV vaccine.
Atlanta, GeorgiaAges 9 years+ - NCT06406816RecruitingEarly Phase 1
Vaccine and chemotherapy after surgery for bile duct cancer
This trial tests a personalized cancer vaccine combined with chemotherapy to help prevent bile duct cancer from coming back after surgery. It is for people who had their tumor removed but have a high risk of recurrence.
Fuzhou, FujianAges 18–75 - NCT07093489Recruiting
LC16m8 mpox vaccine study in the DRC
This study tests whether a single dose of the LC16m8 mpox vaccine is safe and works in people living in the Democratic Republic of Congo. It also monitors for side effects and tracks mpox cases to see how well the vaccine protects the community.
KinshasaAges 1 year+ - NCT07087912RecruitingPhase 4
Dengue vaccine safety in people with autoimmune rheumatic diseases
This study tests the safety and immune response of a dengue vaccine in people aged 12–59 with stable autoimmune rheumatic diseases (like rheumatoid arthritis or lupus) who are on low-dose or no immune-suppressing medications. It also includes healthy volunteers for comparison.
São Paulo, São PauloAges 12–59 - NCT07078604RecruitingPhase 2
Vaccine with chemotherapy for advanced triple-negative breast cancer
This trial tests a cancer vaccine called STEMVAC combined with chemotherapy in people with a type of breast cancer that has spread and does not have certain markers. The goal is to see if adding the vaccine helps the chemotherapy work better.
Seattle, WashingtonAges 18 years+ - NCT07077356RecruitingPhase 1
mRNA vaccine for liver cancer patients awaiting transplant
This trial tests an mRNA vaccine for people with liver cancer who are waiting for a liver transplant. The vaccine is given to help control the cancer while they wait.
ChengduAges 18 years+ - NCT06980155RecruitingEarly Phase 1
Personalized vaccine with or without toripalimab to prevent AML relapse
This trial tests a personalized cancer vaccine, alone or with an immunotherapy drug called toripalimab, to help keep acute myeloid leukemia (AML) in remission. It is for people who have finished initial treatment, are in remission, but still have some leukemia cells remaining (MRD positive) and have a specific NPM1 gene mutation.
ShanghaiAges 18 years+ - NCT07049159RecruitingPhase 2
Testing a new oral vaccine to prevent shigella and ETEC infection
This trial tests an oral vaccine designed to protect against two common causes of severe diarrhea: shigella and ETEC bacteria. Healthy adults aged 18 to 50 will receive the vaccine and later be exposed to the bacteria to see if it works.
Baltimore, MarylandAges 18–50 - NCT07036159RecruitingPhase 2
Malaria vaccine safety study for children ages 5 months to 5 years
This trial tests a new malaria vaccine in healthy children. It aims to see if the vaccine is safe and how well it works in children who have had their regular childhood shots.
KigaliAges 5 months–5 years - NCT07038837RecruitingPhase 4
Comparing two ways to give the R21 malaria vaccine in Chad
This study tests two ways of giving the R21 malaria vaccine to children in Chad during the rainy season. One way follows the routine vaccination schedule, and the other gives the vaccine at the same time as seasonal malaria prevention medication.
Moïssala, Mandoul RegionAges 6 months–4.9 years - NCT07013747RecruitingPhase 1/Phase 2
Acne mRNA vaccine for mild acne
This trial tests an mRNA vaccine designed to treat mild facial acne. It aims to see if the vaccine is safe and effective at reducing acne lesions.
Encino, CaliforniaAges 18–45 - NCT06997705Recruiting
HPV vaccine and health check for teens in Ivory Coast
This study combines HPV vaccination with other health services for young people in Ivory Coast. It aims to protect adolescents against HPV, which can cause cancer, while also checking their overall health and well-being.
AbidjanAges 9–110 - NCT07004244RecruitingPhase 1
KRAS vaccine study for people with KRAS-mutated cancers
This trial tests a vaccine designed to target cancers with KRAS mutations. It may be an option if your cancer has a KRAS mutation and you have either tried other treatments without success or have a newly diagnosed, early-stage lung adenocarcinoma.
Chengdu, SichuanAges 18 years+ - NCT07000708Recruiting
Vaccination, time-restricted eating, aging, and lifestyle study
This trial tests whether time-restricted eating (eating only during an 8-hour window each day) can improve how well your body responds to flu and COVID-19 vaccines. It is designed for older adults who want to see if this simple eating pattern boosts their immune system.
BerlinAges 60–85 - NCT06958198RecruitingPhase 1
Testing a new multi-stage malaria vaccine in adults and children
This trial tests a new combination of experimental malaria vaccines to see if they are safe and help protect against malaria. It includes both adults and young children in malaria-affected areas.
Siglé, Boulkiemdé ProvinceAges 5 months–35 years - NCT06955728RecruitingPhase 3
RSV vaccine in pregnancy to protect babies
This study tests an approved RSV vaccine given to pregnant women. The goal is to see if it safely protects their babies from severe RSV lung infections during the first months of life.
Kintampo, Bono EastAges 14–55 - NCT06514547RecruitingPhase 4
Vaccine response and aging in people with HIV
This study is for people living with HIV who are 18 or older and on HIV medication. Researchers want to learn how the immune system and vaccine response change as people age, and will give a pneumococcal (pneumonia) vaccine to study that.
Minneapolis, MinnesotaAges 18 years+ - NCT06949410RecruitingPhase 1
HER2 vaccine study for high-risk breast cancer
This trial tests a vaccine designed to help the immune system fight remaining HER2-positive breast cancer cells after standard treatment. It is for people who have completed at least six months of HER2-targeted therapy and still have a high risk of the cancer coming back.
Indianapolis, IndianaAges 18 years+ - NCT06927297RecruitingPhase 1
Safety study of a mitochondrial vaccine for advanced solid tumors
This early-phase trial tests a new type of cancer vaccine designed to help your immune system attack tumors. It is for people with advanced solid tumors who have run out of standard options.
Chengdu, SichuanAges 18–75 - NCT06067555RecruitingEarly Phase 1
Flu vaccine study for healthy adults
This study tests a flu vaccine given just under the skin (intradermal) to see how well it works. It may be a good option if you are a healthy young adult.
New Haven, ConnecticutAges 18–40 - NCT06891950RecruitingPhase 3
Dengue vaccine study for healthy older adults
This trial tests a new dengue vaccine in adults aged 40 to 79 to see if it can protect them from dengue fever. If you are generally healthy and willing to follow the study schedule, you may be able to join.
Curitiba, ParanáAges 40–79 - NCT06891417RecruitingPhase 1/Phase 2
Chlamydia mRNA vaccine study for adults 18-29
This study tests a new mRNA vaccine designed to prevent chlamydia infection. It is for adults aged 18 to 29 who have a higher risk of getting chlamydia.
Bruce, Australian Capital TerritoryAges 18–29 - NCT06890559Recruiting
Using points and digital tools to boost vaccination
This trial tests if offering points that can be redeemed for rewards, along with digital tools, can help more people get vaccinated. It uses community support to encourage participation and is open to adults who are able to follow the study requirements.
Quzhou, ZhejiangAges Any age - NCT06876467Recruiting
Study of immune response to hepatitis B vaccine
This study looks at how your body's cells respond after getting a hepatitis B vaccine. It may help researchers understand how well the vaccine works.
ParisAges 18 years+
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Common questions
- Are there clinical trials for vaccination?
- Yes. Clin2 currently lists 575 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.