The trial will include 40,000 volunteers aged 18+. After screening, they will be randomized (3:1) into two groups - a reference group of 10,000 volunteers receiving placebo and a study group of 30,000 volunteers receiving the Gam-COVID-Vac combined vector vaccine against the SARS-СoV-2-induced coronavirus infection.
The trial subjects will be randomized into five age strata: 18-30, 31-40, 41-50, 51-60, and 60+ years.
Actual Study Start Date : September 7, 2020
Estimated Study Completion Date : May 1, 2021
3 фаза испытания закончится 1 мая 2021 года