Phase 4 Vaccine Clinical Trials
17 recruitingPhase 4
What is a Phase 4 trial?
Phase 4 trials, also called post-marketing studies, are conducted after a treatment has been approved and is available to the public. They monitor long-term effectiveness and safety in a broader population.
Showing 1–17 of 17 trials
Recruiting
Phase 4
Antibiotics and Vaccine Immune Responses Study
Vaccine Response Impaired
South Australian Health and Medical Research Institute348 enrolled1 locationNCT06148025
Recruiting
Phase 4
Persistence of Immune Response Six Years After One Dose of 9vHPV Vaccine Among Male and Female Students
HPV Vaccine
Canadian Immunization Research Network300 enrolled1 locationNCT07156084
Recruiting
Phase 4
Characterizing the Human Airway Immune Response to FluMist Vaccination
Healthy Young AdultsInfluenza VaccinesInfluenza Vaccine Response
Washington University School of Medicine30 enrolled1 locationNCT07177417
Recruiting
Phase 4
Integrating Malaria Vaccine With Seasonal Malaria Chemoprevention in West Africa
Malaria Vaccine
Epicentre40,000 enrolled2 locationsNCT06860178
Recruiting
Phase 4
Clinical Trial Assessing the Immunogenicity of an Anti-pneumococcal Vaccination Strategy (PCV13+PPV23 Versus PREVENAR20) in Adult Patients Treated for a Lymphoma
Lymphoma, Non-HodgkinStreptococcus PneumoniaeVaccine
Poitiers University Hospital160 enrolled7 locationsNCT04460235
Recruiting
Phase 4
Durability of Vaccine Responses
Vaccine Response
Emory University66 enrolled3 locationsNCT05801978
Recruiting
Phase 4
Immunogenicity of Gardasil-9 HPV Vaccine in People Living With HIV
Papillomavirus InfectionHuman Immunodeficiency VirusCervical Intraepithelial Neoplasia+4 more
Louisiana State University Health Sciences Center in New Orleans250 enrolled1 locationNCT05266898
Recruiting
Phase 4
Impact of Immunosuppression Adjustment on COVID-19 Vaccination Response in Kidney Transplant Recipients
COVID-19ImmunosuppressionVaccine Response Impaired
University of California, Davis50 enrolled1 locationNCT05060991
Recruiting
Phase 4
Assessing Interventions to Increase Tdap Acceptance for Non-birthing Partners in Pregnancy
Tdap - Tetanus, Diphtheria and Acellular Pertussis VaccinationNon-birthing Partner Vaccination in PregnancyVaccine Exposure During Pregnancy
Women and Infants Hospital of Rhode Island150 enrolled1 locationNCT06135636
Recruiting
Phase 4
A Deep Longitudinal Analysis of Next Generation Influenza Vaccines in Older Adults
AgingVaccine ResponseInfluenza Vaccine+1 more
The Jackson Laboratory75 enrolled1 locationNCT05518500
Recruiting
Phase 4
Measles and BCG Vaccines for Mother and Child
Mother-Infant InteractionMeaslesVaccine Preventable Disease+1 more
Bandim Health Project2,400 enrolled1 locationNCT04899765
Completed
Phase 4
Evaluation of efficacy and safety of an enhanced influenza vaccination schedule in immunocompromised children undergoing treatment for cancer.
Response to influenza vaccineInfluenza infectionCancer
CAHS80 enrolled1 locationACTRN12620000548932
Completed
Phase 4
MenGO: Does the licensed meningococcal vaccine Bexsero® provide cross- protection against gonorrhoea?
Gonorrhoea infectionMeningococcal B vaccine
Gold Coast Hospital and Health Service130 enrolled1 locationACTRN12619001478101
Completed
Phase 4
The effects of exercise on vaccination responses - the role of timing and site of active muscle
Vaccine related adverse events (pain, tenderness, redness, swelling)Vaccine-related pain
The University of sydney80 enrolled1 locationACTRN12617000374369
Completed
Phase 4
Duration of Pertussis Immunity in Adults: a study of Healthcare Workers.
A study analysing the duration of Immunity to Pertussis booster vaccine in Health Care workers to establish guidelines when boosters are required.
Telethon Kids Institute150 enrolled1 locationACTRN12615001262594
Not Yet Recruiting
Phase 4
Immune response to polio vaccine in malnourished and normally nourished Pakistani infants
polio vaccine immunogenecity
WHO840 enrolled1 locationACTRN12612000259842
Not Yet Recruiting
Phase 4
Preventing pneumococcal disease in people without spleens (asplenia) and with poorly functioning spleens (hyposplenia)
Asplenia and HypospleniaBetter understanding of pneumococcal vaccine regimes in asplenic/hyposplenic patientsImproving and sustaining pneumococcal antibodies in asplenic patients
National Health and Medical Research250 enrolled1 locationACTRN12610000210077