NovaQuest, the strategic partnering group of Quintiles Transnational, has made a strategic investment in Topigen Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company specializing in respiratory disorders.  The investment, part of a private placement of $25 million in the Montreal-based company, is intended to helps Topigen accelerate its Phase II lead-product clinical programs.  NovaQuest and Quintiles first provided strategic product development advice to the company three years ag...