These trials completed more than 12 months ago and should have reported results. Some have, some have not.

These trials are not yet due to report results: some are ongoing, some completed within the past 12 months.

These trials have problematic data on the registry. Details why »

Status Trial ID Title Completion date Category
Not reported 2021-000401-24 Influence of Prior Infection With COVID-19 on Occurrence of Influenza-like Illness or Acute Respiratory Infection (PICOV) A Non-commercial multicentre academic prospective cohort study in nursing hom... 2022-12-31 due-trials
Not reported 2021-002088-23 Covid-19: Safety and Immunogenicity of a Reduced Dose of the BioNTech/Pfizer BNT162b2 Vaccine in a Healthy Population (REDU-VAC) 2023-01-31 due-trials
Other 2022-002531-56 LONGITUDINAL FOLLOW-UP OF SARS-COV-2 (COVID-19) IMMUNITY IN IMMUNOCOMPROMISED POPULATIONS IN BELGIUM (COVICO) A non-commercial multicenter academic prospective cohort study during 2023-2026 not-yet-due