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Clinical Trial Summary

PRIME-2-CoV_Beta is the first clinical candidate based on the attenuated 2nd generation Orf virus (ORFV) vaccine platform which encodes for the structural spike (S)- and nucleocapsid (N) protein of SARS-CoV-2. The aim of the multivalent vaccine is to broaden the specific immune response against SARS-CoV-2 and to increase the probability of cross-protection against emerging variants.


Clinical Trial Description

The Phase 1 dose-finding study (ORFEUS) will assess the safety, tolerability and immunogenicity of a two-dose regimen (28-days apart) of PRIME-2-CoV_Beta administered by intramuscular (IM) route in adult participants. In the first part, the safety and immunogenicity of increasing doses of PRIME-2-CoV_Beta will be assessed in adult healthy participants aged 18 to 55 years who have been vaccinated against COVID-19 with at least two doses of a SARS-CoV-2 mRNA vaccine (i.e. primary sequence with or without booster vaccination, subsequently referred to as "pre-vaccinated"). In addition, one dose level which has been identified as optimal will be assessed in a small cohort (12 participants) of participants 18 to 55 years of age who are SARS-CoV-2 vaccine-naïve. In addition, three dose levels identified in pre-vaccinated participants will be further evaluated for safety and immunogenicity in pre-vaccinated elderly participants aged 65-85 years (B-cohorts). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05367843
Study type Interventional
Source Speransa Therapeutics
Contact
Status Terminated
Phase Phase 1
Start date June 20, 2022
Completion date November 8, 2023

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