By: Hayeon Na, Co-Copy Editor [Content-Focused] – On October 8th of 2013, Bayer’s new drug riociguat (Adempas®) was approved for the treatment of patients whose pulmonary hypertension (PH) belongs in WHO groups 1 and 4.1 Riociguat (Adempas®) is a soluble guanylate cyclase (sGC) stimulator, and currently the only one of its kind on the market.…