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Safety and Immunogenicity of the Bris10 M2SR and Sing2016 M2SR H3N2 Monovalent Influenza Vaccines

Influenza A Clinical Trial

Official title:
Phase 1b Clinical Study to Investigate the Safety and Immunogenicity of the Bris10 (A/Brisbane/10/2007) M2SR and Sing2016 (A/Singapore/INFIMH-16-0019/2016) M2SR H3N2 Monovalent Influenza Vaccines

Clinical Trial Summary

This is a Phase I double-blind, randomized, placebo-controlled study in 250 healthy adults, 18-49 years of age, inclusive, who are in good health and meet all eligibility criteria. The purpose of this dose escalation clinical study is to assess the safety, tolerability/reactogenicity, and immunogenicity of H3N2 M2SR investigational vaccines for prevention of influenza, when delivered at higher dosages or in two doses . Eligible subjects will be screened and randomized to receive two administrations 28 days apart of Sing2016 M2SR at three dose levels (low, medium, high), Bris10 M2SR at one dose level (low), or placebo in a 1:1:1:1:1 ratio. Study duration will be approximately 8 months with subject participation duration approximately 7 months. The primary study objective is to assess the safety and reactogenicity of a monovalent live single replication influenza H3N2 M2SR vaccine.

Clinical Trial Description

This is a Phase I double-blind, randomized, placebo-controlled study in 250 healthy adults, 18-49 years of age, inclusive, who are in good health and meet all eligibility criteria. This dose escalation clinical study is designed to assess the safety, tolerability/reactogenicity, and immunogenicity of H3N2 M2SR investigational vaccines for prevention of influenza, when delivered at increasing dosages or in two doses. Subjects will be enrolled in five groups in a 1:1:1:1:1 ratio. Arm 1 will receive a low dose of Sing2016 M2SR intranasally on days 1 and 29. Arm 2 will receive a medium dose of Sing2016 M2SR intranasally on days 1 and 29. Arm 3 will receive a high dose of Sing2016 M2SR intranasally on days 1 and 29. Arm 4 will receive a low dose of Bris16 M2SR intranasally on days 1 and 29. Arm 5 will receive a placebo intranasally on days 1 and 29. Study duration will be approximately 8 months with subject participation duration approximately 7 months. The primary study objective is to assess the safety and reactogenicity of a monovalent live single replication influenza H3N2 M2SR vaccine. The secondary study objectives are to evaluate systemic and mucosal immune responses induced by H3N2 M2SR vaccination. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03999554
Study type Interventional
Source FluGen Inc
Contact
Status Completed
Phase Phase 1
Start date September 3, 2019
Completion date July 1, 2020
View Details
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