$TRVN.. Receives FDA Breakthrough Therapy Designation 4 Oliceridine 4 the Management of Moderate-to-Severe Acute Pain. 1st pain company to receive BTD for pain treatment. http://www.bioportfolio.com/news/article/2620668/Trevena-Inc-Receives-FDA-Breakthrough-Therapy-Designation-for-Oliceridine-for-the-Management.html …