"No, there is no truth," he told gazzettagiallorossa.it. "At the moment there is no official offer from Manchester United for Lamela.
"I have a relationship with Manchester United, but I have never discussed this topic with them or with Roma.
"Will Erik stay at Roma? It is still too early to talk about the market."
Lamela joined Roma from River Plate in his native Argentina in the summer of 2011, and has attracted attention from several top European clubs during the current campaign.