Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: A Phase II Randomized, Double-blind, Double-dummy, Placebo and Comparator-controlled, Parallel Group, Multi-Center Study to Investigate the Safety and Efficacy of a Single Dose of JNJ-17216498 Adminis
Brief Summary: The purpose of this study is to evaluate the safety and effectiveness of JNJ-17216498 compared to modafinil and placebo in patients with narcolepsy, with and without cataplexy.