Description Module

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Description Module

The Description Module contains narrative descriptions of the clinical trial, including a brief summary and detailed description. These descriptions provide important information about the study's purpose, methodology, and key details in language accessible to both researchers and the general public.

Description Module path is as follows:

Study -> Protocol Section -> Description Module

Description Module

Ignite Creation Date: 2025-12-24 @ 11:35 PM
Ignite Modification Date: 2025-12-24 @ 11:35 PM
NCT ID: NCT05829356
Brief Summary: This is a Phase 1, parallel, randomized, active-controlled, multi-center, dose-esclation study with a Master Protocol design which will include several substudies that are developed to evaluate the safety and immunogenicity of different dose levels of modified messenger ribonucleic acid (mRNA) vaccines encoding full length hemagglutinin (HA) sequence of influenza virus encapsulated in lipid nanoparticles (LNPs) (hereafter referred to as HA mRNA vaccines) compared to control(s). The HA mRNA vaccine candidates and control(s) are presented in the substudy protocols. The aim is to generate clinical data across different substudies to provide learnings regarding the mRNA technology to support optimization of the mRNA platform including mRNA and LNP design and to support the decision of LNP and dose selection for future projects using mRNA technology. The purpose of this Substudy 01 is to evaluate the safety and immunogenicity of a single IM injection of up to 5 dose levels of a monovalent modified mRNA encoding the full-length HA sequence of A/Tasmania/503/2020 (H3N2) influenza virus encapsulated in LNP (hereafter referred to as H3 mRNA /LNP) administered as a single intramuscular (IM) injection in adults 18 to 49 years of age and 60 years of age and above, compared to the following active control: a quadrivalent recombinant influenza vaccine (RIV4).
Detailed Description: The study duration per participant will be approximately 6 months with 1 injection of one of the different HA mRNA vaccines or control for each substudy and a dose-escalation with sequential enrollment (sentinel cohort followed by main cohort).
Study: NCT05829356
Study Brief:
Protocol Section: NCT05829356