At a glance
ClinicalIndex Comparison RecordPhase 4Completed· 100 enrolled
Drug / intervention
Pneumococcal Vaccine +1 morebiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
Immunogenicity of Pneumococcal Vaccination and Revaccination in Older Adults
In Brief
A Phase 4 clinical trial evaluating Pneumococcal Vaccine and Meningococcal Vaccine for Aging. Completed, enrolled 100 participants across 1 site.
Detailed Summary
The purpose of this study is to measure how long the improvement in the immune system lasts in older people after they have been vaccinated, and to examine the immune response in older people who get vaccinated a second time.
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsAging
CountriesUnited States
Collaborators--
Timeline
Phase 4CompletedFinished
200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
Enrollment StartApr 2001
First PostedOct 2005
Primary CompletionAug 2012
TodayJul 2026
First PostedOct 17, 2005
Enrollment StartApr 1, 2001
Primary CompletionAug 1, 2012
TodayJul 2, 2026
Enrollment to primary: 11.3 yearsPosted 20.7 years ago
Interventions
Pneumococcal Vaccinebiological
One time preventative vaccine
Meningococcal Vaccinebiological
One time preventative vaccine