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
Reported results 2006-002358-31 Specific B-cell Memory After a Single Dose or Booster MenC Conjugate Vaccination: a Pilot Study in Adults 2007-12-31 due-trials
Not reported 2008-002378-37 The longitudinal kinetics of long term cellular memory immunity against Bordetella pertussis in Dutch 8-9 years old children after ACV booster vaccination. 2014-11-11 due-trials
Completed, but no date, and reported results 2009-014315-12 Immunogenicity of alternate and reduced immunization schedules using the regular thirteen-valent polysaccharide conjugate vaccine against infection with Streptococcus pneumoniae bad-data
Ongoing 2011-000375-13 Study to determine the appropriate age for a second immunization with the Meningococcal C conjugated vaccine. not-yet-due
Ongoing 2011-000923-33 Effects of paracetamol use on the immune response after hepatitis B vaccination not-yet-due
Completed, but no date, and reported results 2011-002103-15 Development of humoral and cellular immune response in infants after pneumococcal conjugate vaccinations with Synflorix® or Prevenar-13® bad-data
Completed, but no date, and reported results 2012-001458-24 Cross-sectional surveillance study on pneumococcal serotypes and other pathogens in nasopharyngeal samples from infants and parents performed 6.5 years after introduction of pneumococcal vaccination i... bad-data
Ongoing 2012-005101-51 Tick Test & Prophylaxis Proof not-yet-due
Ongoing 2013-001823-38 Second meningococcal vaccination in Dutch children: Study to compare the tetravalent MenACWY-TT conjugate vaccine with the monovalent MenC-TT conjugate vaccine. Tweede meningokokken vaccinatie bij ... not-yet-due
Ongoing 2013-001864-50 Long-term memory immunity against Bordetella pertussis in children 9 years of age who have been vaccinated with acellular pertussis vaccines: effect of an extra preadolescent acellular booster vaccina... not-yet-due
Ongoing 2013-003078-28 Immunological effect of early extra MMR immunization in infants between 6 and 12 months of age in an outbreak setting Immunologisch effect van een vroege extra BMR vaccinatie in zuigelingen tussen ... not-yet-due
Not reported 2013-003090-98 Maternal pertussis (Tdap) vaccination and its effects on the immune response of the newborn up to 12 months of age. Maternale Kinkhoest vaccinatie en de effecten hiervan op de immuunrespons van bab... 2020-07-22 due-trials
Ongoing 2013-005355-32 Memory response against Bordetella pertussis in adults: immunological effects of an acellular pertussis booster vaccination Geheugen reactie tegen Bordetella pertussis in volwassenen: immunologisch... not-yet-due
Ongoing 2014-000967-42 Strengthening memory immunity in the aged population by vaccinating re-elderly Stimuleren van geheugen immuniteit in de ouder wordende populatie door mensen op middelbare leeftijd te vaccineren not-yet-due
Not reported 2016-001104-36 Immunogenicity and safety study of a third measles mumps rubella (MMR-3) vaccine dose in healthy young adults in The Netherlands Onderzoek naar de immunogeniciteit en veiligheid van een derde vacc... 2020-03-25 due-trials
Reported results 2016-003678-42 Immunological effects of an acellular pertussis booster vaccination in children, young adults and elderly with different immunisation background. An international study in Finland, the Netherlands and... 2020-01-14 due-trials
Ongoing 2018-002976-41 ‘Premature infants and maternal pertussis immunization. Is second trimester vaccination beneficial?’ te vroeg geboren kinderen en maternale kinkhoestvaccinatie; is vaccinatie in het tweede trimeste... not-yet-due
Ongoing 2019-000836-24 Immune responses to influenza and pneumococcal conjugate vaccines in older adults compared to middle-aged adults and adults. not-yet-due
Ongoing 2019-001301-24 ‘Primary and booster meningococcal vaccination in Dutch elderly: study to investigate the immune response and determine functional antibodies after the tetravalent MenACWY-TT conjugate vaccine in the ... not-yet-due
Ongoing 2020-003620-16 Vaccine immunogenicity in Dutch frail versus non-frail older individuals (participating in the Doetinchem Cohort study) Vaccin immuniteit in Dutch kwetsbare versus niet-kwetsbare ouderen (deelneme... not-yet-due
Ongoing 2021-001357-31 Immune Responses Induced by Vaccination Against COVID-19 in Dutch healthy subjects Immuun responsen opgewekt door vaccinatie tegen COVID-19 in Nederlandse gezonde proefpersonen not-yet-due
Ongoing 2021-001976-40 Monitoring immunogenicity of SARS-Cov-2 vaccination in Dutch middle-aged and older individuals (participating in the Doetinchem Cohort Study) not-yet-due
Ongoing 2021-002363-22 Vaccination of older persons against Sars-Cov-2 and cellular immunogenicity for long term protection (participating in the Doetinchem Cohort Study) not-yet-due