Laguna Pharmaceuticals, formerly known as ChanRx, has closed $30 million in Series B financing. Versant Ventures and Frazier Healthcare led the round with participation from BioMed Ventures and previous backer Sante Ventures. In addition to the financing, Dr. Jerel Davis of Versant Ventures and Dr. Jamie Topper of Frazier Healthcare have been added to Laguna’s board of directors. Also, Laguna Pharmaceuticals has hired Bob Baltera as CEO. Previously, Baltera was CEO of Amira Pharmaceuticals. Laguna Pharmaceuticals is a biopharmaceutical company focused on treating atrial fibrillation and atrial flutter.