A Study to Evaluate the Safety and Ability of the Vaccine to Induce Antibodies Against the Respiratory Syncytial Virus in Healthy Adults

Summary

The purpose of this study is to evaluate the safety and immunogenicity of two doses of the investigational RSV F subunit vaccine administered intramuscularly (IM). In this current Phase 1, first-in-human study, the three different antigen amounts that have been selected will be evaluated in a stepwise manner in three different cohorts (Cohort 1: low dosage of RSV F subunit vaccine, Cohort 2: middle dosage of RSV F subunit vaccine, and Cohort 3: high dosage of RSV F subunit vaccine). In addition, the effect of an adjuvant, either aluminum hydroxide or MF59, and antibody kinetics post-vaccination at different time points will be evaluated as compared to unadjuvanted RSV F subunit vaccine at the same dosage levels.

Timeline

Start

2014-12-19

Primary completion

2017-03-27

Completion

2017-03-27

Publications

• Schneikart G, Tavarini S, Sammicheli C, Torricelli G, Guidotti S, Andreano E, Buricchi F, D'Oro U, Finco O, Bardelli M. The respiratory syncytial virus fusion protein-specific B cell receptor repertoire reshaped by post-fusion subunit vaccination. Vaccine. 2020 Nov 25;38(50):7916-7927. doi: 10.1016/j.vaccine.2020.10.062. Epub 2020 Oct 29.
• Leroux-Roels G, De Boever F, Maes C, Nguyen TL, Baker S, Gonzalez Lopez A. Safety and immunogenicity of a respiratory syncytial virus fusion glycoprotein F subunit vaccine in healthy adults: Results of a phase 1, randomized, observer-blind, controlled, dosage-escalation study. Vaccine. 2019 May 6;37(20):2694-2703. doi: 10.1016/j.vaccine.2019.04.011. Epub 2019 Apr 12.

Drugs

Indications