MISSISSAUGA, ONTARIO--(Marketwire - July 08, 2008) - Nuvo Research Inc. (TSX: NRI), a Canadian drug development company focused on the research and development of drug products delivered to and through the skin using its topical and transdermal drug delivery technologies, and Paladin Labs Inc. (TSX: PLB), a leading Canadian specialty pharmaceutical company, today announced modifications to their existing licensing arrangements for Pennsaid and its follow-on product, Pennsaid Plus.