The primary objectives of this study are to evaluate the safety and tolerability of the pneumococcal 21 valent conjugate vaccine (V116), and to evaluate the serotype-specific opsonophagocytic activity (OPA) post-vaccination with V116 and PCV15 (a pneumococcal conjugate vaccine that includes 15 serotypes) + PPSV23 (comprised of the polysaccharides from 23 of the serotypes causing disease in adults) post-vaccination within each vaccination group separately.
Age range
18 Years – 64 Years
Sex
ALL
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Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Percentage of Participants With Solicited Injection-site Adverse Events (AEs) From Day 1 Through Day 5 Post-vaccination
Timeframe: Up to 5 days following each vaccination
Participants With Solicited Systemic AEs From Day 1 Through Day 5 Post-vaccination
Timeframe: Up to 5 days following each vaccination
Participants With Vaccine-related Serious Adverse Events (SAEs) From Day 1 Through The Duration of Participation in The Study
Timeframe: Up to 194 days following Visit 2 (Day 1)
Serotype-specific Opsonophagocytic Activity (OPA) Geometric Mean Titers (GMTs) for Pneumococcal Serotypes Contained in V116
Timeframe: 30 days following V116 [Day 30] for the V116 + Placebo group and 30 days following PPSV23 [Week 12] for the PCV15 + PPSV23 group.