Immunogenicity, Safety and Tolerability of a Plant-Derived Seasonal VLP Quadrivalent Influenza Vaccine in the Elderly Population

Summary

This is a multiple sites phase II trial, randomized, observer-blind, dose ranging, placebo-controlled study to evaluate the immunogenicity, safety, and tolerability of a single intramuscular injection of plant-based Seasonal VLP Quadrivalent Influenza Vaccine administered in elderly subjects (50 years old and more). A total of four hundred fifty (450) subjects will be randomized in six (6) groups of 75 subjects to receive one injection of either a non-adjuvanted low, medium or high dose level of VLP, a low or high dose level of VLP of the quadrivalent VLP influenza vaccine combined with Alhydrogel® as adjuvant or the placebo preparation (100 millimolar (mM) phosphate buffer + 150 mM sodium chloride (NaCl) + 0.01% Tween 80)

Timeline

Start

2014-07-16

Primary completion

2015-06-17

Completion

2015-06-17

Publications

• Results Pillet S, Couillard J, Trepanier S, Poulin JF, Yassine-Diab B, Guy B, Ward BJ, Landry N. Immunogenicity and safety of a quadrivalent plant-derived virus like particle influenza vaccine candidate-Two randomized Phase II clinical trials in 18 to 49 and >/=50 years old adults. PLoS One. 2019 Jun 5;14(6):e0216533. doi: 10.1371/journal.pone.0216533. eCollection 2019.

Drugs

Indications