كتب : وكالات
Nordsjaelland's Refaat, who arrived in England on Thursday, will spend one week at the Stadium of Light, FilGoal.com understands.
The 20-year-old will join the Black Cats' reserve team should he impress.
Refaat, who has dual Danish-Egyptian nationality, will feature for Sunderland's reserve team on Monday.
The inexperienced midfielder played for a number of Danish outfits, including Nordsjaelland.
Now he is seeking to kick off his professional career at Premiership side Sunderland.