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A Study to Evaluate the Safety and Reactogenicity of DPX-RSV(A), a Respiratory Syncytial Virus Vaccine

Respiratory Syncytial Virus Clinical Trial

Official title:
A Phase I Randomized, Observer-blind, Controlled, Dose Escalation Trial of the Safety and Tolerability of Two Intramuscular Doses of DPX-RSV(A), a Respiratory Syncytial Virus Vaccine Containing Respiratory Syncytial Virus (RSV) SHe Antigen and a Novel Adjuvant DepoVaxTM, or SHe A Antigen Co-administered With Aluminum Hydroxide, or Placebo to Healthy Adults ≥50-64 Years of Age

Clinical Trial Summary

Administration of DPX-RSV(A), a Respiratory Syncytial Virus vaccine containing Respiratory Syncytial Virus (RSV) SHe antigen and DepoVaxTM adjuvant to healthy adults ≥50-64 years of age.

Clinical Trial Description

This is a phase 1, First in Humans, randomized (2:2:1) observer blind, controlled, dose ranging, multi-arm parallel-group clinical trial in healthy persons 50 to 64 years of age to assess the safety and immunogenicity of two dose levels of a novel vaccine formulation DPX-RSV(A) consisting of a synthetic Respiratory Syncytial Virus SHe antigen combined with a novel adjuvant DepoVaxTM, compared to the antigen combined with the commonly used adjuvant Aluminum hydroxide, and to a saline placebo control.

The study will evaluate two different doses of DPX-RSV(A) and two doses of the RSV SHe antigen with aluminum hydroxide (RSV(A)-Alum), and a placebo control. The study is randomized, controlled, and observer-blinded in order that allocation to treatment is concealed from the investigative team and the participant. The inclusion of comparator groups (a placebo control group and the RSV(A)-Alum) allows for estimation of the attributable risk of adverse events. Since the study vaccines are not identical in appearance, an unblinded study nurse who has no other role in the study will administer the study vaccines. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02472548
Study type Interventional
Source Dalhousie University
Contact
Status Completed
Phase Phase 1
Start date May 2015
Completion date March 14, 2017
View Details
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