Phase 4 Vaccination Clinical Trials
13 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 1–13 of 13 trials
Recruiting
Phase 4
Extended Dosing Intervals Trial for Oral Cholera Vaccine, Kenya
Cholera Vaccination
Albert B. Sabin Vaccine Institute1,071 enrolled1 locationNCT07487077
Recruiting
Phase 4
Concurrent Versus Sequential Administration of Tdap and RSV Vaccines in Pregnancy
PregnancyHealthyRSV+1 more
Canadian Immunization Research Network60 enrolled4 locationsNCT07097012
Recruiting
Phase 4
Investigating Gender and Sex Differences in Immune Responses Through Vaccination of Transgender and Cisgender Persons
VaccinationTransgender PersonsMeningococcal Meningitis, Serogroup B+1 more
University Ghent250 enrolled1 locationNCT06832514
Not Yet Recruiting
Phase 4
Optimal Timing for Adolescent Meningococcal B vaccination schedule (BOOST MenB study)
Meningococcal immunityImmune Response to meningococcal vaccination
University of Adelaide284 enrolled1 locationACTRN12625001444471
Not Yet Recruiting
Phase 4
Immune Effects of Respiratory Syncytial Virus (RSV) Vaccination in Older Adults
Response to vaccinationDepressionStress+1 more
Tasmanian Health Service120 enrolled1 locationACTRN12625001211459
Recruiting
Phase 4
CVD 38000: Study of Responses to Vaccination With Typhoid and/or Cholera
Typhoid and/or Cholera Vaccination
University of Maryland, Baltimore240 enrolled1 locationNCT03705585
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
Measles and BCG Vaccines for Mother and Child
Mother-Infant InteractionMeaslesVaccine Preventable Disease+1 more
Bandim Health Project2,400 enrolled1 locationNCT04899765
Completed
Phase 4
Safety and efficacy of the 3rd and the 4th dose of mRNA COVID19 vaccine in kidney transplant recipients
COVID19 vaccination response
Martin Kacer140 enrolled1 locationACTRN12622001106729
Completed
Phase 4
A study on the influence of obesity on the protection after influenza vaccination in children aged 9-17 years.
Response to influenza vaccinationObesity in children and adolescents
Women's and Children's Hospital50 enrolled1 locationACTRN12617001086358
Active
Phase 4
OPTimising IMmunisation Using Mixed schedules (OPTIMUM): comparing allergic outcomes in infants following pertussis vaccination
Pertussis vaccinationAllergy
University of Sydney3,000 enrolled5 locationsACTRN12617000065392
Completed
Phase 4
Optimising pertussis vaccination in infants: a new approach. Effects of delaying the third pertussis vaccine to 11 months old.
Immunogenicity and safety after pertussis vaccination
The Sydney Children's Hospitals Network80 enrolled1 locationACTRN12615000898550
Completed
Phase 4
Intramuscular and intradermal hepatitis B vaccine administration: immunological response in hemodialysis patients
Hepatitis B vaccinationHemodialysis
Nefrologia – Faculdade de Medicina/Instituto de Pesquisas Biomedicas/Hospital Sao Lucas from PUCRS198 enrolled1 locationACTRN12609000616279