Efficacy and Safety of Sublingual Fentanyl Orally Disintegrating Tablets in Patients with Breakthrough Pain: Multicentre Prospective Study

Background and Objectives The aim of this study was to evaluate the effectiveness and safety of sublingual fentanyl oral disintegrating tablets (sublingual fentanyl ODT) for the treatment of breakthrough pain (BTP), cancer or non-cancer related, in terms of relief of pain intensity, adverse events (AEs) and patient satisfaction, and to further examine the clinical and epidemiological profile of patients with BTP in a clinical setting.