Evaluation of Immune Response Against the Strain of Neisseria Meningitidis B: 14, P1-7, 16 in Patients Having to be Vaccinated MenBVac® (Extension EFFIVAC) (Exten Effivac)

June 9, 2026 updated by: University Hospital, Rouen

Phase 3, Vaccinal Activity Assessment of MenBVac Against Neisseria Meningitidis B:14,P1.7,16 Strain in Child

The main objective of the study is to estimate the proportion of children, born between the 06/04/2004 and the 17/004/2008, living around Neufchatel en Bray, vaccinated by MenBVac, with a serum bactericidal activity against B:14,P1-7,16 clone related to a protection (>= 4), before the fourth dose of MenBvac and after: 6 weeks and one year after the fourth dose.

Study Overview

Status

Completed

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

120

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Neufchâtel-en-Bray, France, 76270
        • Maison Du Département

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

4 years to 8 years (Child)

Accepts Healthy Volunteers

Yes

Study Population

Children aged 4 to 8 years old and living in neufchatel en bray area

Description

Inclusion Criteria:

  • children born between 06/04/2004 and 17/04/2008, living in Neufchatel en Bray,and Having participated to the first study,
  • children who Have to be Vaccinated MenBVac® for the four times,
  • parental authority(ies)assent.

Exclusion Criteria:

  • no parental authority(ies)assent,
  • no blood sample,
  • impossibility of fourth vaccination,
  • children yet vaccinated or non eligible for vaccination.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Health Services Research
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Bras A
children, born between the 06/04/2004 and the 17/04/2008, living around Neufchatel en Bray, before the fourth dose of MenBVac

Blood tests and vaccine :

  • First blood sample immediatly before the fourth dose of the vaccine
  • Fourth dose of MenBVac
  • Second blood sample 6 weeks after the fourth dose of the vaccine
  • Third blood sample 1 year after the fourth dose of the vaccine

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Vaccine Immunity
Time Frame: after the fourth dose of MenbVac
Assessment of vaccine Immunity with measure of percentage of children who have hSBA title >= 4 six weeks after the fourth dose of vaccine
after the fourth dose of MenbVac

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

April 1, 2012

Primary Completion (Actual)

April 1, 2013

Study Completion (Actual)

September 1, 2013

Study Registration Dates

First Submitted

March 26, 2012

First Submitted That Met QC Criteria

June 15, 2012

First Posted (Estimated)

June 18, 2012

Study Record Updates

Last Update Posted (Actual)

June 12, 2026

Last Update Submitted That Met QC Criteria

June 9, 2026

Last Verified

September 1, 2014

More Information

Terms related to this study

Other Study ID Numbers

  • 2011/198/HP
  • 2011-006209-83 (EudraCT Number)

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Subscribe