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
- NCT06714513RecruitingPhase 1
TB vaccine study in older adults aged 55 to 74
This study tests a new tuberculosis (TB) vaccine (ID93+GLA-SE) in healthy adults aged 55 to 74. It aims to see if the vaccine is safe and can help protect against TB, especially in people who may have latent (inactive) TB infection.
Gwangmyeong, Gyeonggi-doAges 55–74 - NCT06718127Recruiting
Study of immune response to yellow fever vaccine
This study looks at how your body's immune system responds to the yellow fever vaccine. It may help researchers understand how well the vaccine protects people.
ParisAges 18–65 - NCT06731374RecruitingPhase 4
New pneumonia vaccine study for healthy adults 18–50
This study tests a new pneumococcal vaccine (PCV15) to see how well it protects against carrying the bacteria that can cause pneumonia. Healthy adults aged 18–50 who have not had a pneumococcal vaccine in the last 5 years may join.
Liverpool, North WestAges 18–50 - NCT06784167Recruiting
Vaccine response after CAR-T for myeloma and lymphoma
This study looks at how well vaccines work in people with multiple myeloma or certain lymphomas after they receive CAR-T cell therapy. It aims to help doctors understand the best way to revaccinate patients to protect against preventable diseases.
Portland, OregonAges 18 years+ - NCT06803368Recruiting
Recovery and maintenance strategies for chronic hepatitis B
This trial is for people with chronic hepatitis B who have already cleared the virus with interferon treatment. It tests ongoing strategies to help maintain their health and prevent the virus from coming back.
Beijing, Beijing MunicipalityAges 18–65 - NCT06810934RecruitingPhase 1/Phase 2
New COVID-19 vaccine study for those with prior mRNA vaccines
This study tests a new type of COVID-19 vaccine that is designed to train your immune system to make stronger, longer-lasting protection. You may be able to join if you are 40–64, have already had at least two doses of a mRNA COVID-19 vaccine (Pfizer or Moderna) more than 4 months ago, and are generally healthy.
Los Angeles, CaliforniaAges 40–64 - NCT06821126RecruitingPhase 1/Phase 2
Nasal spray COVID-19 vaccine booster study for healthy adults
This study tests a new nasal spray COVID-19 vaccine to see how it compares to an mRNA booster shot. It is for healthy adults who have already had at least 3 doses of an mRNA COVID-19 vaccine (or 2 doses plus a confirmed COVID infection) and are looking for a needle-free booster option.
DijonAges 18–60 - NCT06822907RecruitingPhase 4
Testing pneumococcal vaccine during a fever in adults
This trial tests if a pneumococcal vaccine (PCV-20) is safe and works well when given to adults during a fever. It may help protect people with certain health conditions from serious pneumococcal infections.
Saint-Etienne, FranceAges 18–85 - NCT06833957Recruiting
Preparing for a maternal GBS vaccine in Africa
This study is preparing for future trials of a vaccine for Group B Strep (GBS) in pregnant women. It includes different parts: watching pregnant women and their babies, surveying GBS infections, and understanding how communities feel about vaccines.
Mariakani, CoastAges Any age - NCT06834100RecruitingPhase 3
Comparing a new meningitis vaccine to an approved one
This trial tests a new meningitis vaccine (GNG-DE) to see how well it works compared to a vaccine already on the market. It might help protect you or your child from meningococcal disease.
KirovAges 3–55 - NCT06843226Recruiting
Dengue vaccine study for children and teens
This study tests if a dengue vaccine (TDV) can reduce hospital stays for dengue. It follows children and teens in areas where dengue vaccination is planned.
Banjarmasin, South KalimantanAges 6–12 - NCT06843317RecruitingPhase 1
RSV vaccine booster for older adults
This trial tests a booster dose of an experimental RSV vaccine (SCB-1019T) in healthy adults aged 60-85 who have already received the approved RSV vaccine AREXVY. The goal is to see if the booster is safe and boosts your immune system.
Phoenix, ArizonaAges 60–85 - NCT06863142RecruitingPhase 1
Testing a new flu vaccine with or without adjuvant
This study tests a new investigational flu vaccine (FluMos-v2) with or without an adjuvant (ALFQ) to see how safe, tolerable, and effective it is. It may help protect against multiple flu strains.
Bethesda, MarylandAges 18–50 - NCT06866405RecruitingPhase 3
RSV vaccine boost in a new pregnancy
This study tests whether a second dose of the RSV vaccine during a new pregnancy protects you and your baby from RSV. If you received the RSVpreF or Abrysvo vaccine in a past pregnancy, you may be able to join.
Birmingham, AlabamaAges birth+ - NCT06874842RecruitingPhase 1
Testing a new shingles vaccine in adults 40 and older
This trial tests a new shingles vaccine (LYB004) in adults 40 and older. It looks at how safe the vaccine is and how well it helps your body build protection against shingles.
MeizhouAges 40 years+ - NCT06885853Recruiting
Long-term immune response to mpox booster in men on PrEP
This study tests how well a booster dose of the MVA-BN mpox vaccine keeps working over time in men who are on or starting PrEP for HIV prevention.
Paris, ParisAges 18 years+ - NCT06928753RecruitingPhase 4
Chikungunya vaccine study in La Réunion
This study is for people who are eligible for the chikungunya vaccine in La Réunion. It looks at how well the vaccine works in real life, if it’s safe, and how your body responds to it.
Saint-DenisAges 18 years+ - NCT06947187Recruiting
Vaccine confidence study for Southeast Asia social media users
This study tests an online tool to help people in Southeast Asia feel more confident about vaccines. If you live in Brunei, Indonesia, Malaysia, or Singapore and watch social media in Malay or Indonesian every day, you may be able to join.
Berkeley, CaliforniaAges 18 years+ - NCT06976632Recruiting
Helping ease vaccine pain for pregnant women
This study tests two simple methods (a skin tap and a cold spray) to see if they can reduce pain and stress during a tetanus vaccine shot in pregnant women.
Manisa, Uncubozköy/YunusemreAges 18–42 - NCT07009847Recruiting
Study of the R21/Matrix-M malaria vaccine
This study looks at how well the R21/Matrix-M malaria vaccine works and how safe it is in children who received it. It compares children who got malaria (or died) to healthy children who also got the vaccine.
Bousse, Burkina FasoAges 5 months+ - NCT07013487RecruitingPhase 3
Dengue vaccine study for healthy children ages 2 to 17
This trial tests an experimental dengue vaccine in healthy children and teens to see if it can prevent dengue. It may help protect your child from this mosquito-borne illness.
East Jakarta, Jakarta Special Capital RegionAges 2–17 - NCT07054099RecruitingPhase 3
Testing a chickenpox vaccine for children ages 1 to 12
This study tests a new chickenpox vaccine (MG1111, also called BARYCELA Inj.) in healthy children aged 1 to 12 years. It checks how well the vaccine works and if it is safe, with two doses given over time.
Khon Kaen, Changwat Khon KaenAges 1–12 - NCT07081984RecruitingPhase 1
Testing TI-0093 for advanced HPV-16 positive cancers
This study tests a new drug, TI-0093, for people with HPV‑16 positive solid tumors (like head and neck or cervical cancer) that have come back or spread after standard treatments. The goal is to see if the drug can help shrink tumors or slow their growth.
ShanghaiAges 18–75 - NCT07085611Recruiting
Studying vaccine and antibody protection in adults
This trial checks how well antibodies from COVID-19 or monkeypox vaccines or treatments work in adults. It helps researchers understand your protection level.
OrléansAges 18 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.