drugset / Trial / NCT04559204

Summary

Subjects will be recruited and divided into 3 groups: 1. Experimental Group (408 subjects): combined immunization of PPV23 and IIV4; 2. Control Group A (408 subjects): IIV4 only; 3. Control Group B (408 subjects): PPV23 only; All blood samples will be collected before and one month after vaccinatioin. The immunogenicity and safety of both experimental and control groups will be compared and the data be analyzed.

Timeline

Start
2020-09-11
Primary completion
2020-11-26
Completion
2021-10-09

Drugs

EvaluationDrugModalityDoseRoute
Subject Influenza Virus Vaccine Vaccine 0.5 ml
Subject Pneumovax 23 Vaccine 0.5 ml