Infant Malaria Vaccine Schedule Optimization
A Phase 2b Multicenter Randomized, Placebo-Controlled Study to Evaluate the Safety and Immunogenicity of R21/Matrix-M Malaria Vaccine in African Infants With Different Immunization Schedules
PATH
964 participants
May 30, 2025
INTERVENTIONAL
Conditions
Summary
The aim of this study is to identify an optimal infant vaccine schedule for a malaria vaccine which is better aligned with the timing of other vaccine interventions.
Eligibility
Plain Language Summary
Simplified for easier understanding
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Interventions
Administered by intramuscular injection. Each 0.5 mL dose contains R21 Malaria Antigen (5 mcg) and Matrix-M1 (Adjuvant) (50 mcg).
Administered by intramuscular injection. Each dose (0.5 mL) contains Normal saline (0.9%).
Administered by intramuscular injection. Each dose of 0.5 mL contains: * Diphtheria Toxoid \> 30 IU * Tetanus Toxoid \> 40 IU * B. pertussis (whole cell) \> 4 IU * Hepatitis B surface antigen (HBsAg) (recombinant DNA) 15 mcg * Inactivated polio vaccine (Salk strains grown on vero cells): Type - 1 (Mahoney strain) 40 D antigen units (DU); Type - 2 (MEF-1 strain) 8 DU; Type - 3 (Saukett strain) 32 DU * Haemophilus influenzae Type b (Hib) Conjugate Vaccine (Adsorbed) polyribosylribitol phosphate (PRP) 10 mcg conjugated to tetanus toxoid (TT) (carrier protein) 19 to 33 mcg\]
Administered by intramuscular injection. Each 0.5 mL dose contains 2 mcg each Saccharide for serotypes 1, 5, 9V, 14, 19A, 19F, 23F, 7F, 6A and 4 mcg Saccharide for serotype 6B.
Administered orally. Each 2.0 mL dose contains: Live Attenuated Bovine-Human Rotavirus Reassortant \[G1, G2, G3, G4 and G9\], 5.6 focus-forming units (FFU) / serotype.
Administered by subcutaneous injection. Each 0.5 mL dose contains not less than 1000 cell culture infectious dose 50% (CCID50) of Measles virus and 1000 CCID50 of Rubella virus.
Administered by intramuscular injection. Each 0.5 mL dose contains 5 mcg of each Meningococcal A, C, Y, W, and X polysaccharide, 7.8 to 33.4 mcg of TT and 11.7 to 50.1 mcg of recombinant CRM197.
Yellow fever vaccine will be locally sourced by each trial site in accordance with the countries' EPI program.
Typhoid conjugate vaccine will be locally sourced by each trial site in accordance with the countries' EPI program.
Locations(2)
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NCT06879327