432
Participants
Start Date
June 25, 2021
Primary Completion Date
September 30, 2022
Study Completion Date
September 30, 2022
Vaccination once with Janssen vaccine (only priming)
Vaccination (priming) with janssen vaccine. There is no boosting.
Vaccination with Janssen vaccine followed with Janssen vaccine (homologous boosting).
Vaccination (priming) with janssen vaccine. There is boosting with Janssen vaccine.
Vaccination with Janssen vaccine followed with Moderna vaccine (heterologous boosting).
Vaccination (priming) with janssen vaccine. There is boosting with Moderna vaccine.
Vaccination with Janssen vaccine followed with Pfizer vaccine (heterologous boosting).
Vaccination (priming) with janssen vaccine. There is boosting with Pfizer vaccine.
NOT_YET_RECRUITING
AmsterdamUMC, Amsterdam
NOT_YET_RECRUITING
UMCG, Groningen
NOT_YET_RECRUITING
LUMC, Leiden
RECRUITING
Erasmus MC, Rotterdam
Lead Sponsor
Leiden University Medical Center
OTHER
University Medical Center Groningen
OTHER
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
OTHER
Erasmus Medical Center
OTHER