The Romanian's current deal expires in June.
"We've already started speaking with the club about him," the agent told calciomercato.it. "He is really happy in Rome and everyone is happy with his work.
"There is still no agreement, but we are working on it and we'll probably meet up again at the end of the month for more discussions.
"At the end of the day, I believe that he will stay for another season. Let's see what happens."