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A PHASE III, OPEN, MULTI-CENTRE, CONTROLLED STUDY TO EVALUATE THE LONG-TERM ANTIBODY PERSISTENCE AT 2, 3, 4, 5 AND 6 YEARS AFTER A BOOSTER DOSE OF MENINGOCOCCAL SEROGROUP A, C, W-135, Y- TETANUS TOXOID CONJUGATE VACCINE (MENACWY-TT) OR MENINGITEC (REGISTERED) ADMINISTERED IN HEALTHY 5-YEAR-OLD CHILDREN IN STUDY MENACWY-TT-048 EXT: 039 Y2, 3, 4, 5 (112036), WHO WERE PRIMED WITH THE SAME VACCINE IN STUDY MENACWY-TT-039 (109670) AT 12 THROUGH 23 MONTHS OF AGE

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Trial Profile

A PHASE III, OPEN, MULTI-CENTRE, CONTROLLED STUDY TO EVALUATE THE LONG-TERM ANTIBODY PERSISTENCE AT 2, 3, 4, 5 AND 6 YEARS AFTER A BOOSTER DOSE OF MENINGOCOCCAL SEROGROUP A, C, W-135, Y- TETANUS TOXOID CONJUGATE VACCINE (MENACWY-TT) OR MENINGITEC (REGISTERED) ADMINISTERED IN HEALTHY 5-YEAR-OLD CHILDREN IN STUDY MENACWY-TT-048 EXT: 039 Y2, 3, 4, 5 (112036), WHO WERE PRIMED WITH THE SAME VACCINE IN STUDY MENACWY-TT-039 (109670) AT 12 THROUGH 23 MONTHS OF AGE

Status: Completed
Phase of Trial: Phase III

Latest Information Update: 28 Nov 2023

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At a glance

  • Drugs Meningococcal vaccine groups A C Y W-135 conjugate (Primary) ; Meningococcal vaccine group C conjugate
  • Indications Meningococcal infections
  • Focus Pharmacodynamics; Registrational
  • Sponsors GlaxoSmithKline; Pfizer
  • Most Recent Events

    • 10 Apr 2020 Results (n=184) assessing antibody persistence and safety of the quadrivalent meningococcal vaccine conjugated to tetanus toxoid (MenACWY-TT) and the meningococcal serogroup C vaccine conjugated to Corynebacterium diphtheriae CRM197 protein for up to 6 years after booster dosing in children, published in the Vaccine.
    • 14 Dec 2017 Status changed from active, no longer recruiting to completed.
    • 21 Sep 2017 Planned End Date changed from 10 Nov 2017 to 14 Nov 2017.

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