TORONTO, ONTARIO--(Marketwired - June 20, 2013) - Merus Labs International Inc. ("Merus" or the "Company") (TSX:MSL) (NASDAQ:MSLI) is pleased to announce that it has made its calendar 2013 scheduled principal repayment in the amount of US$7.5 million relating to the debt facility provided to Merus by its primary lender.