Last updated: 08/06/2025 12:12:52

A Phase 3 Study to Assess the Immune Response And Safety Of Rmenb+Omv Nz In Primed Healthy Participants (10 To 20 Years Old)

GSK study ID
220030
Clinicaltrials.gov ID
EudraCT ID
EU CT Number
Not applicable
Trial status
Recruiting
Recruiting
Overview
Eligibility
Locations
Study documents
Results summary
Plain language summaries
Additional information

Trial overview

Official title: A Phase 3b, Open-Label, Multi-Center Study to Assess the Immune Response And Safety of The Meningococcal Group B Vaccine Rmenb+Omv Nz When Administered to Healthy Participants Aged 10 To 20 Years Old, Who Were Primed During the First 2 Years Of Life
Trial description: The main purpose of this study is to evaluate the immune response and safety of a booster dose of the meningococcal group B vaccine, rMenB+OMV NZ (also known as Bexsero), in adolescents and young adults aged 10 to 20 years. This study focuses on individuals who were first vaccinated with rMenB+OMV NZ as infants. The primary hypothesis is that a booster dose of the vaccine will elicit a stronger immune response in these primed individuals compared to those who have never received any group B meningococcal vaccine, referred to as 'nave' participants.
Primary purpose:
Prevention
Trial design:
Parallel Assignment
Masking:
None (Open Label)
Allocation:
Randomized
Primary outcomes:

hSBA Geometric mean titers (GMTs) ratio against each MenB indicator strain

Timeframe: At Day 31

Secondary outcomes:

Number of participants with hSBA titers greater than or equal (>=) to pre-defined limit of detection against each MenB indicator strain

Timeframe: At Day 31

Number of participants with hSBA titers >= lower limit of quantification (LLOQ) against each MenB indicator strain

Timeframe: At Day 31

Number of participants with four-fold increase in hSBA titers

Timeframe: At Day 31

hSBA GMTs against each MenB indicator strain

Timeframe: At Day 31 compared to Day 1

hSBA Geometric Mean Ratios (GMRs) against each MenB indicator strain

Timeframe: At Day 31 compared to Day 1

Number of participants with hSBA titers >= to pre-defined limit of detection against each MenB indicator strain

Timeframe: At Day 1

Number of participants with hSBA titers >= LLOQ against each MenB indicator strain

Timeframe: At Day 1

hSBA GMTs against each MenB indicator strain

Timeframe: At Day 1

Number of participants with solicited administration site events

Timeframe: Day 1 (day of injection) to Day 7

Number of participants with solicited systemic events

Timeframe: Day 1 (day of injection) to Day 7

Number of participants with any unsolicited adverse events (AEs)

Timeframe: Day 1 (day of injection) to Day 31

Number of participants with adverse events of special interest (AESI): arthritis, serious adverse events (SAEs), AEs leading to withdrawal

Timeframe: Day 1 to Day 31 (throughout the study period)

Interventions:
  • Biological/vaccine: rMenB+OMV NZ vaccine
  • Enrollment:
    312
    Primary completion date:
    2025-10-12
    Observational study model:
    Not applicable
    Time perspective:
    Not applicable
    Clinical publications:
    Not applicable
    Medical condition
    Meningitis
    Product
    Not applicable
    Collaborators
    Not applicable
    Study date(s)
    July 2025 to December 2025
    Type
    Interventional
    Phase
    3

    Participation criteria

    Sex
    Female & Male
    Age
    10 - 20 Years
    Accepts healthy volunteers
    Yes
    • Participants are eligible to be included in the study only if all of the following criteria apply:
    • For primed group only:
    • Participants are excluded from the study if any of the following criteria apply:
    • Medical conditions

    Trial location(s)

    Location
    Status
    Contact us
    Contact us
    Location
    GSK Investigational Site
    Bristol, United Kingdom, BS2 8BJ
    Status
    Recruiting
    Location
    GSK Investigational Site
    London, United Kingdom, SW17 0RE
    Status
    Recruiting
    Location
    GSK Investigational Site
    Oxford, United Kingdom, OX3 7LE
    Status
    Recruiting

    Study documents

    No study documents available.

    Results overview

    Study Results yet to be posted

    Recruitment status
    Recruiting
    Actual primary completion date
    Not applicable
    Actual study completion date
    Not applicable

    Plain language summaries

    Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.

    Additional information about the trial

    Additional information
    Not applicable
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