The Long-term Antibody Persistence of GSK Biologicals' Meningococcal Vaccine GSK134612 in Healthy Toddlers
Public ClinicalTrials.gov record NCT00718666. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Long Term Antibody Persistence Study of GSK Biologicals' Meningococcal Vaccine GSK 134612 Administered as 1 or 2 Doses to Healthy Toddlers at 9-12 Months of Age and as a Booster Dose at 5 Years Post-primary Vaccination
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
In this study, the concentration of antibody to the vaccine one year, three and five years after vaccination in subjects who were vaccinated with GSK Biologicals' meningococcal vaccine GSK134612 in a previous study (whose objectives \& outcome measures are presented in a separate protocol posting with NCT number =00471081) will be evaluated. The safety and immune response of a booster dose of vaccine GSK134612 administered at 5 years post-primary vaccination will also be evaluated. In addition, the immune response to a dose of vaccine GSK134612 administered to age-matched controls not previously given a meningococcal vaccine will be evaluated. This protocol posting has been updated further to protocol amendment 2, dated 28 october 2010. The sections impacted are summary, study design, outcome measures, intervention, and eligibility criteria.
Study identification
- NCT ID
- NCT00718666
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 387 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 2 Years to 6 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 19, 2008
- Primary completion
- Nov 12, 2013
- Completion
- Mar 27, 2014
- Last update posted
- Jun 25, 2019
2008 – 2014
United States locations
- U.S. sites
- 14
- U.S. states
- 5
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| GSK Investigational Site | Benton | Arkansas | 72019 | — |
| GSK Investigational Site | Little Rock | Arkansas | 72205 | — |
| GSK Investigational Site | Antioch | California | 94509 | — |
| GSK Investigational Site | Fremont | California | 94538 | — |
| GSK Investigational Site | Hayward | California | 94545 | — |
| GSK Investigational Site | Santa Rosa | California | 95403 | — |
| GSK Investigational Site | Vacaville | California | 95688 | — |
| GSK Investigational Site | Lakewood | Colorado | 30226 | — |
| GSK Investigational Site | Littleton | Colorado | 80122 | — |
| GSK Investigational Site | Littleton | Colorado | 80123 | — |
| GSK Investigational Site | Westminster | Colorado | 80234 | — |
| GSK Investigational Site | Wheat Ridge | Colorado | 80033 | — |
| GSK Investigational Site | Canton | Ohio | 44708 | — |
| GSK Investigational Site | Amarillo | Texas | 79124 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00718666, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 25, 2019 · Synced Sep 11, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00718666 live on ClinicalTrials.gov.