A Study to Learn About How Safe and Effective is 20vPnC and 13vPnC Vaccines in Chinese Adults

PHASE1Active, not recruitingINTERVENTIONAL
Enrollment

158

Participants

Timeline

Start Date

July 6, 2025

Primary Completion Date

February 3, 2026

Study Completion Date

February 3, 2026

Conditions
Pneumococcal Disease
Interventions
BIOLOGICAL

20vPnC

20 valent pneumococcal conjugate vaccine

BIOLOGICAL

13vPnC

13 valent pneumococcal conjugate vaccine

Trial Locations (3)

310051

Zhejiang provincial center for disease control and prevention, Hangzhou

324300

Kaihua County Center For Disease Prevention and Control, Kaihua

Kaihua County Center For Disease Prevention and Control, Quzhou

Sponsors

Lead Sponsor

All Listed Sponsors
lead

Pfizer

INDUSTRY