We are proposing to hold an online high-level conference shortly for countries interested in cooperation in the development of anti-coronavirus vaccines.
Several countries are now considering adopting emergency measures that would fast-track approval of a vaccine in a similar way.
EU chief Charles Michel said on Twitter that he had spoken to Putin by phone and added that "only peaceful and truly inclusive dialogue can resolve the crisis in Belarus".
The issue is urgent," Putin said in a statement, adding that the alternative was "only further escalation of tensions, increasing risk of conflict - such a scenario must be avoided.
The 13-year-old arms embargo is due to expire in October under the accord that prevents Tehran from developing nuclear weapons in return for sanctions relief.
President Vladimir Putin said on Tuesday that Russia had become the first country in the world to grant regulatory approval to a COVID-19 vaccine after less than two months of human testing.
In 2018 after winning another six-year term, Putin set targets including halving the poverty rate from the 2017 figure, increasing pensions and boosting the average life expectancy to 78 by 2024.
Russia's two houses of parliament have already approved the amendments but Putin reiterated they would only take effect if supported by a majority of voters.
He proposed such a summit in January and the four other permanent members of the UN Security Council - the United States, China, France and Britain - gave their agreement in principle.
"If this fight for natural rights, legal rights, turns into mayhem and rioting, I see nothing good for the country," Putin said in an interview with Rossiya-1 television to be broadcast in full Sunday evening.