Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: A Dose Titrated Clinical Trial With a Placebo-controlled, Double-blind, Randomised, Cross-over Phase to Demonstrate the Efficacy of 400 μg Intranasal Fentanyl (INFS) Dose Strength, and to Evaluat
Brief Summary: The aim of this clinical trial was to demonstrate the efficacy of a 400 μg dose strength of intranasal fentanyl spray (INFS, Instanyl®) and to evaluate the safety and to establish long term tolerability of treatment with INFS doses of 50, 100, 200 and 400 μg.