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
- NCT03219450RecruitingPhase 1
Personalized vaccine for early-stage, treatment-free CLL
This Phase 1 study tests a personalized cancer vaccine made from each patient’s CLL (“neoantigens”) plus a medicine called poly-ICLC to help the immune system learn to recognize the cancer. It is designed for people who have CLL but are currently not needing treatment, to see if it’s safe and may help keep the disease under control.
Boston, MassachusettsAges 18 years+ - NCT03323112Recruiting
Studying immune responses to seasonal flu shots in health workers
This study looks at how your immune system (your body’s infection-fighting system) responds after you get the seasonal flu vaccine. It may help researchers understand what the vaccine triggers in people working in healthcare and labs.
HelsinkiAges 18–64 - NCT07414719Recruiting
HPV vaccine study for teens and teachers in AuRA
This study tests a program to increase HPV vaccination among teens aged 11-17 in public schools. It aims to see if education and support can help more adolescents get the vaccine to prevent HPV-related cancers.
Saint-PriestAges 11–17 - NCT07422337Recruiting
Vaccine protection after blinatumomab for childhood leukemia
This study checks how well vaccines you got as a baby still protect you after treatment with blinatumomab for B-cell leukemia or lymphoma. It helps doctors understand if you may need extra vaccines.
Little Rock, ArkansasAges 1–23 - NCT07478952RecruitingPhase 1
EBV vaccine study for healthy adults 18 to 30
This trial tests an experimental mRNA vaccine (mRNA-1189) to see if it can prevent Epstein-Barr virus (EBV) infection. It is for healthy adults 18 to 30 years old.
Melbourne, VictoriaAges 18–30 - NCT07669961Recruiting
Distraction cards vs toy squeezing for kids getting shots
This trial compares using distraction cards or a squeezable toy to help children aged 4–7 feel less pain and fear during a routine vaccination shot.
Mersin, ProvinceAges 4–7 - NCT07651891RecruitingPhase 4
Dog allergy vaccine study for Swedish adults
This study tests an allergy shot (Alutard SQ Dog) for people with moderate to severe dog allergies. It aims to see how well the vaccine works in Swedish medical practices.
Lund, Skåne CountyAges 18–50 - NCT07651761Enrolling by invitation
Vaccine Talk Training for Primary Care Doctors
This study tests whether special training helps primary care doctors have better conversations with patients about flu and COVID-19 vaccines. You may be eligible if you're a patient who visits a participating clinic during the 2026–2027 vaccine season.
Worcester, MassachusettsAges 18 years+ - NCT07495202RecruitingPhase 1
Monkeypox vaccine trial for healthy adults
This trial tests a new monkeypox vaccine to see if it's safe and works. It's for healthy adults who haven't had monkeypox or smallpox before.
Shenzhen, GuangdongAges 18–59 - NCT07500506RecruitingPhase 3
Safety of a fifth dose of the Lyme disease vaccine
This study is for people who have already received four doses of the Lyme vaccine (VLA15) in a previous study. It tests whether a fifth dose is safe and helps the body build more protection against Lyme disease.
Bangor, MaineAges 7 years+ - NCT07516418RecruitingPhase 1
RSV and Flu H5 Vaccine Formulations Study
This study tests different versions of experimental vaccines designed to protect against RSV (a common respiratory virus) and flu H5. You'll receive one of these vaccines and be monitored to see how safe it is and how your body responds.
Griffith, QueenslandAges 18–49 - NCT07530198RecruitingPhase 1
HIV DNA vaccine test for people on stable treatment
This study tests a new DNA vaccine (ICVAX) designed to help your immune system better control HIV. You'll receive injections over several months if your HIV is well-controlled with current medications.
Shatin, New TerritoriesAges 18–60 - NCT07560943RecruitingPhase 1
AI-Designed Cancer Vaccine for Advanced Solid Tumors
This trial tests a new mRNA vaccine designed by artificial intelligence to treat advanced cancers that have stopped responding to standard chemotherapy. The vaccine is personalized to each patient's tumor and aims to help the immune system fight remaining cancer cells.
Chengdu, SichuanAges 18–70 - NCT07567222RecruitingPhase 1
Vaccine therapy for advanced solid tumors
This study tests a new therapeutic vaccine designed to help your immune system fight advanced solid cancers. You would receive vaccine injections alongside standard cancer care if your cancer has progressed despite previous treatments.
Chengdu, SichuanAges 18–75 - NCT07604103RecruitingPhase 3
Heart Attack and Pneumonia Recovery Study With Vaccination
This study looks at blood markers (special proteins) in patients who have had both a heart attack and pneumonia, to see how vaccination affects recovery. The goal is to understand whether flu and pneumonia vaccines are safe and helpful for people recovering from these two serious conditions together.
Malang, East JavaAges 18–65 - NCT07567274Enrolling by invitationPhase 2
DMSO Therapy for Ringing in Ears After COVID
This trial tests a combination therapy using DMSO (a chemical that penetrates tissues) mixed with several medications to treat persistent ringing in the ears (tinnitus) that developed or worsened after COVID-19 infection or vaccination. If you have bothersome tinnitus linked to long COVID or vaccine injury and haven't responded to previous treatments, this study may help.
Ithaca, New YorkAges 18–70 - NCT07545564Enrolling by invitationPhase 4
Immune Response Study of Nasal Flu Vaccine in Children
This study measures how your child's body builds immunity after receiving a nasal spray flu vaccine. Researchers will collect samples to understand how the vaccine triggers the immune system to protect against influenza.
Hohhot, Inner MongoliaAges 3–17 - NCT07412743Enrolling by invitation
HPV vaccine program for teens in school health centers
This trial tests a program at school health centers to help teens get their HPV vaccine and learn about wellness. If you're due for the HPV shot, this could be a helpful way to get it in a familiar place.
Portland, OregonAges 9–18 - NCT07285434Enrolling by invitationEarly Phase 1
Personalized vaccine for first-line advanced lung cancer
This study tests a personalized vaccine (Microlyvaq™) made just for your tumor, given together with standard chemo and immunotherapy (pembrolizumab). It is for people with advanced non-small cell lung cancer who have not yet started treatment for the advanced stage.
Thessaloniki, MacedoniaAges Any age - NCT07144202Enrolling by invitation
Long-term protection study after EV71 vaccination
This study checks how long immunity lasts after receiving two doses of the EV71 vaccine. It is for children who took part in the earlier study and got either the vaccine or a placebo.
Guilin, GuangxiAges Any age - NCT06144229Enrolling by invitation
HPV Vaccine in Women with HIV
This study looks at how well the HPV vaccine works in women living with HIV and whether it helps make cervical cancer screening more accurate. If you are a woman with HIV between 21 and 40 years old and already part of certain other HIV studies, you may be able to join.
Denver, ColoradoAges 21–40 - NCT05610423Enrolling by invitation
Study of heart inflammation after COVID-19 vaccination in Norway
This study looks at people who may have developed myocarditis or pericarditis (inflammation of the heart muscle or the lining around the heart) shortly after a COVID-19 vaccine. It compares their health records to vaccination records to understand who is affected and when, which may help improve future care.
OsloAges 5 years+ - NCT05524480Enrolling by invitation
Help Latina women get overdue breast, cervical care
This trial tests an implementation program that helps clinics better provide breast and cervical cancer screening and HPV vaccination to Latina women who are behind on recommended care. It may help you catch up on screening or start HPV vaccination and connect you to low-cost services.
Houston, TexasAges 18–74 - NCT04112355Enrolling by invitation
Tracking children’s immune response after routine vaccinations
This study measures how a child’s immune system responds after standard childhood vaccines, like DTaP-IPV/Hib, pneumococcal, MMR, varicella, flu, and COVID shots. It may help researchers better understand what a “healthy” immune response looks like after vaccination.
Rochester, MinnesotaAges 4 months–21 years
Hear when a new Vaccination trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
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.