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Study of the Immunogenicity, Safety and Tolerability of the Convacell Vaccine.

COVID-19 Clinical Trial

Official title:
A Double-blind, Randomized, Prospective, Placebo-controlled Trial to Assess the Immunogenicity, Safety, and Tolerability of a Coronavirus Vaccine in Healthy Volunteers Aged 18 to 60 Years

Clinical Trial Summary

A two-stage trial will involve healthy volunteers. The first stage is open trial, and the second stage is a double-blind trial with randomization of volunteers into three groups. At stage I of the trial, the maximum number of screened healthy volunteers will be 30 of which 20 men aged 18 to over 60 years. At stage II of the trial, the maximum number of screened healthy volunteers will be 150, of which 135 men and women aged 18 to over 60 years eligible according to the inclusion and exclusion criteria are planned to be included and randomized to collect data that will be used for the subsequent safety and immunogenicity assessment. The enrollment of volunteers at stage II will be competitive.

Clinical Trial Description

Trial product is subunit recombinant vaccine for the prevention of coronavirus infection caused by the SARS-CoV-2 virus. Vaccination forms humoral and cellular immunity that prevents the development of coronavirus infection caused by the SARS-CoV-2 virus. On the surface of excipients emulsion droplets N-protein is presented to monocytes attracted from the bloodstream due to a local increase in the level of cytokines. Antigen-bearing cells migrate to draining lymph nodes with activation of innate and adaptive immunity cells in them. Due to the activation of natural killer cells in combination with specific antibodies, the mechanism of lysis of infected cells is realized. The nucleocapsid protein (N) is conserved and little susceptible to mutational changes. This makes the vaccine based on it universal for various strains of coronavirus ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05156723
Study type Interventional
Source St. Petersburg Research Institute of Vaccines and Sera
Contact
Status Completed
Phase Phase 1/Phase 2
Start date July 19, 2021
Completion date December 31, 2022
View Details
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