This study will be conducted among adolescents in Saudi Arabia who previously received one dose of A, C, Y, W 135 and at least one dose of A, C meningococcal polysaccharide vaccine. This study will evaluate the booster administration of Menactra® (Meningococcal A, C, Y, and W 135 Polysaccharide Diphtheria Toxoid Conjugate vaccine) compared with Mencevax® (Meningococcal A, C, Y, and W 135 Polysaccharide vaccine)in terms of their serum bactericidal antibody responses.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Enrollment
450
0.5 mL, Intramuscular
0.5 mL, Subcutaneous
0.5 mL, Intramuscular
Unnamed facility
AlKhaleej, Al-Qassim Region, Saudi Arabia
Unnamed facility
AlRabwa, Al-Qassim Region, Saudi Arabia
Unnamed facility
S. Buraida, Al-Qassim Region, Saudi Arabia
Unnamed facility
Safra-Al Midhnab, Al-Qassim Region, Saudi Arabia
Geometric Mean Titers (GMTs) of Vaccine Serogroups Determined by Serum Bactericidal Activity Using Baby Rabbit Complement (SBA-BR) Pre- and Post-Menactra® Vaccination
Time frame: Baseline (Day 0) and Day 28 after vaccination
Percentage of Participants With At Least a 4-Fold Rise in Titers Determined by Serum Bactericidal Activity Using Baby Rabbit Complement (SBA-BR) Post-Menatcra® Vaccination
Time frame: Baseline (Day 0) and Day 28 After Vaccination
Number of Participants Reporting a Solicited Injection Site or Systemic Reactions Post-vaccination
Time frame: Day 0 to Day 7 Post-vaccination
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.
Unnamed facility
Helal Ahmar, Mecca Region, Saudi Arabia
Unnamed facility
Iskan, Mecca Region, Saudi Arabia
Unnamed facility
Mecca, Mecca Region, Saudi Arabia