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
- NCT07177417RecruitingPhase 4
How the immune system responds to FluMist in the airways
This study tests how the immune system in your nose and airways responds to the FluMist nasal spray flu vaccine. It may help doctors understand why some people get better protection from the flu.
St Louis, MissouriAges 18–40 - NCT07266857Recruiting
Study on HPV vaccine education in middle schools
This trial tests if an educational program called e-Bug can increase HPV vaccination rates. It uses only anonymous data from schools, so no individual enrollment is needed.
Nice, Alpes MaritimesAges Any age - NCT07301905Recruiting
HPV vaccine study for parents in Flint, MI
This study tests a culturally tailored health message to see if it helps parents feel more open to the HPV vaccine for their daughters. It focuses on families in Flint whose daughters have not yet received the vaccine.
Flint, MichiganAges 18 years+ - NCT07464314RecruitingPhase 1
Testing a combined flu and COVID-19 mRNA vaccine in older adults
This trial is testing whether a new mRNA vaccine that targets both seasonal flu and COVID-19 is safe and creates a strong immune response. It may offer an easier way to protect against two illnesses with one shot.
Anniston, AlabamaAges 65–85 - NCT07416461Recruiting
Malaria vaccine study for reducing Salmonella risk
This study looks at whether malaria vaccines can also help lower the risk of a serious bacterial infection called invasive non-typhoidal Salmonella (iNTS). If you have a fever, you may be able to join and help researchers understand this connection.
KinshasaAges Any age - NCT07485855RecruitingPhase 3
Flu vaccine study for blood cancer patients
This trial tests how well the flu vaccine works in people with blood cancers like lymphoma, leukemia, or multiple myeloma. It aims to find the best vaccination strategy to protect you during treatment.
SeoulAges 19 years+ - NCT07487077RecruitingPhase 4
Extended interval oral cholera vaccine trial in Kenya
This trial tests giving the oral cholera vaccine on a longer dosing schedule than usual. It aims to see if a longer gap between doses still works well to protect people from cholera, especially helpful in places where returning for a second dose is hard.
NairobiAges 1 year+ - NCT05983874Enrolling by invitationPhase 1
Booster HIV vaccine study for those who got the first shots
This study tests two booster doses of an HIV vaccine to see if they are safe and boost the immune system. It is for healthy adults who already received three earlier doses of a related vaccine.
AmsterdamAges 18–51 - 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+ - NCT06127563Recruiting
Better vaccine care for frail patients
This trial tests whether offering vaccines more carefully to frail patients in certain hospital departments improves their health. It is open to adults living in Lazio who are being treated in one of five specific departments.
Rome, LazioAges 18 years+ - NCT06514898RecruitingPhase 1
Personalized cell therapy for recurrent medulloblastoma
This trial tests a combination of personalized immune cells, vaccines, stem cells, and an immunotherapy drug (pembrolizumab) for children and young adults whose medulloblastoma has come back or grown. The goal is to help the immune system fight the cancer more effectively.
Washington D.C., District of ColumbiaAges 4–30 - NCT07648953Recruiting
HPV Vaccine Education Videos for Cancer Survivors
This study tests short educational videos on Facebook to help young cancer survivors complete their HPV vaccine series. The HPV vaccine protects against certain cancers, and this trial aims to see if videos can help more survivors get vaccinated.
Salt Lake City, UtahAges 18–26 - NCT06262776Recruiting
Shingles vaccine safety study for transplant recipients
This trial tests whether the shingles vaccine (RZV) is safe and works well for organ transplant recipients and their household members. It also includes people on dialysis or certain immunosuppressants.
Adelaide, South AustraliaAges 18 years+ - NCT03705585RecruitingPhase 4
Check how typhoid and cholera vaccines work in adults
This study gives (or follows) typhoid and/or cholera vaccines and measures how your immune system responds. It is done in adults who are already scheduled for an upper endoscopy (EGD) and/or colonoscopy, using small tissue samples if appropriate.
Baltimore, MarylandAges 18 years+ - NCT06482450Recruiting
Improving vaccine acceptance with decision support for patients and providers
This trial tests if sending reminders and decision-support tools to patients and their doctors before appointments can increase vaccine acceptance. It focuses on families with children visiting a specific clinic in Atlanta.
Atlanta, GeorgiaAges Any age - NCT07500207Enrolling by invitationPhase 3
Rabies vaccine trial for people aged 10 to 60
This trial tests a new lyophilized rabies vaccine to see how well it works and how safe it is. It is for people who have not been vaccinated against rabies recently and have not been bitten or scratched by an animal that broke the skin in the past year.
Neijiang, SichuanAges 10–60 - NCT05985681RecruitingPhase 1
Testing an HPV vaccine to prevent cancer
This trial tests a new vaccine (RG1-VLP) to see if it can prevent HPV-related cancers. It is for women aged 18 to 60 who have not had an HPV vaccine before.
Birmingham, AlabamaAges 18–60 - NCT06617091RecruitingPhase 1
HIV vaccine trial for healthy adults with and without HIV
This trial tests an experimental HIV vaccine in healthy adults, including those living with HIV. The goal is to see if the vaccine is safe and prompts an immune response.
Mtubatuba, KwaZulu-NatalAges 18–50 - NCT06682117Recruiting
A study of a personalized vaccine for advanced solid tumors
This trial tests a personalized vaccine made from your own cells to help your immune system attack tumor-specific targets. It may be an option if standard treatments have stopped working or caused side effects you can't tolerate.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06967272RecruitingPhase 2
Oral rotavirus vaccine trial for healthy infants
This trial tests an oral vaccine given as drops to protect babies against rotavirus, a common cause of severe diarrhea. It is for healthy infants aged 6 to 12 weeks who have not had the rotavirus vaccine or infection before.
Wuhan, HubeiAges 1 month–3 months - NCT06878612RecruitingPhase 1
Personalized tumor cell vaccine for advanced solid tumors
This trial tests a new vaccine made from your own tumor cells to see if it can help your immune system fight the cancer. It is for people with advanced solid tumors that have not responded to other treatments.
Chengdu, SichuanAges 18–65 - NCT07156084RecruitingPhase 4
HPV vaccine long-term effect study for young adults
This study checks if one dose of the 9-valent HPV vaccine given at ages 9-11 still protects you 6 years later. It is for people who only had that single dose and no other HPV shots.
Québec, QuebecAges 15–17 - NCT06333275Recruiting
Boosting immunity after CAR-T therapy
This trial checks if giving vaccines after CAR-T cell therapy can help your immune system fight off preventable diseases. It is for adults with certain blood cancers who are about to get CAR-T treatment.
BernAges 18 years+ - NCT07304284RecruitingPhase 3
Cholera vaccine study for healthy adults and people with HIV
This trial tests a new cholera vaccine (Biovac OCV-S) to see if it works as well as the current vaccine (Euvichol-Plus). It is for healthy people aged 1 to 45, and also for adults with HIV who are on treatment.
Durban, Eastern CapeAges 1–45
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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.