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Study identifier: NCT06824519 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

Clinical Trials of Quadrivalent Influenza Vaccine

Condition: Influenza, Human  ·  Sponsor: Anhui Zhifei Longcom Biologic Pharmacy Co., Ltd.

PhasePhase 1/Phase 2
Planned participants620
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersYes

About this study

This clinical trial adopts a seamless design of phase I/II, conducted in two stages: phase I and phase II. Phase I is the age/dose ramp up stage, and phase II is the dose expansion stage.The purpose of this clinical trial is to evaluate the safety and tolerability of different doses of Influenza Vaccine (Split Virion), Inactivated, Quadrivalent, ZFA02 Adjuvant,explore the immunogenicity of the vaccine, and determine the appropriate dose for later clinical trials of this product.

This description comes directly from the study's public registry record.

Talk to the study team

Fei Jin  ·  13722795742  ·  ycjf3000@126.com

Always discuss trial participation with your own doctor first.

Locations (1)

Hebei Province Centers for Disease Control and PreventionShijiazhuang, Hebei, ChinaRecruiting

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Source record: clinicaltrials.gov/study/NCT06824519