Sputnik V vaccine 92% effective on COVID-19: Russia institute

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November 11, 2020 6:03 PM

As a result of a statistical analysis of 20 confirmed cases of coronavirus, the case split between vaccinated individuals and those who received the placebo indicating that the Sputnik V vaccine had an efficacy rate of 92 per cent after the second dose, the release said.

The trials evaluated the efficacy among over 16,000 volunteers who received the vaccine or placebo 21 days after the first injection.China has already administered the vaccine, including the one from Sinovac Biotech Ltd. whose trial was just paused in Brazil, to hundreds of thousands of people under an expansive emergency use program. (Representational image: Reuters)

Sputnik V vaccine for COVID-19, being developed by Russia’s Gamaleya National Research Institute of Epidemiology and Microbiology, has demonstrated an efficacy rate of 92 per cent. The confirmation is based on the first interim data from the largest randomised, placebo-controlled Phase-III clinical trials in Russia involving 40,000 volunteers, a press release from Gamaleya and the Russian Direct Investment Fund (RDIF) said. The trials evaluated the efficacy among over 16,000 volunteers who received the vaccine or placebo 21 days after the first injection.

As a result of a statistical analysis of 20 confirmed cases of coronavirus, the case split between vaccinated individuals and those who received the placebo indicating that the Sputnik V vaccine had an efficacy rate of 92 per cent after the second dose, the release said. In September 2020,Dr. Reddys and Russian Direct Investment Fund (RDIF), Russias sovereign wealth fund,entered into a partnership to conduct clinical trials of Sputnik V vaccine and its distribution in India. As part of the partnership, RDIF shall supply 100 million doses of the vaccine toDr.Reddys upon regulatory approval in India. On August 11, 2020, the Sputnik V vaccine was registered by the Ministry of Health of Russia and became the worlds first registered vaccine against COVID-19 based on the human adenoviral vectors platform. Separately, in September the vaccine was first administered to a group of volunteers from the ‘red zones’ of Russian hospitals.

The observation of additional 10,000 vaccinated volunteers representing medics and other high-risk groups under the civil use of the vaccine out of clinical trials also confirmed the vaccines efficacy rate of over 90 per cent, the release added. As of November 11, as part of the clinical trials in Russias 29 medical centres, more than 20,000 volunteers were vaccinated with the first dose and over 16,000 volunteers with the first and the second dose of the vaccine. In addition, as on the date, no unexpected adverse events were identified as part of the research. Some of those vaccinated had short-term minor adverse effects such as pain at the injection site, flu-like syndrome, including fever, weakness, fatigue, and headache, according to the release.

Alexander Gintsburg, director of Gamaleya Centre, said the publication of the interim results of the post-registration clinical trials that convincingly demonstrate Sputnik V vaccines efficacy gives way to mass vaccination in Russia against COVID-19 in the coming weeks.” Thanks to the production scale-up at new manufacturing sites, Sputnik V vaccine would soon be available for a wider population, he said. “This will break the current trend and lead to an eventual decrease in COVID-19 infection rates, first in Russia, then globally,” he said. Pfizer Inc and BioNTech SE on Monday said their vaccine candidate was found to be more than 90 per cent effective in preventing COVID-19.

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