Title Interventions Conditions Effects of BF2.649 in the Treatment of Excessive Daytime Sleepiness in Narcolepsy.[38] Drug: BF2.649, Drug: Modafinil, Drug: Placebo Treatment of Excessive Daytime Sleepiness in Narcolepsy. Efficacy and Safety Study of BF2.649 in the Treatment of Excessive Daytime Sleepiness in Narcolepsy[39] Drug: BF2.649, Modafinil, Placebo Narcolepsy, Excessive Daytime Sleepiness, Cataplexy, Sleep Disorders Dose Range Finding Study of BF2.649 Versus Placebo to Treat Excessive Daytime Sleepiness in Parkinson's Disease Patients[40] Drug: Placebo, Drug: BF 2.649 5 mg, Drug: BF 2.649 10 mg, Drug: BF 2.649 20 mg, Drug: BF 2.649 40 mg Excessive Daytime Sleepiness, Parkinson's disease A Study Of A Novel Compound For Excessive Daytime Sleepiness Associated With Narcolepsy[41] Drug: Placebo, Drug: PF-03654746 Excessive Daytime Sleepiness, Narcolepsy Treatment of Refractory Excessive Daytime Sleepiness in Patients With Obstructive Sleep Apnea/Hypopnea Syndrome (OSA/HS) Using Nasal Continuous Positive Airway Pressure (nCPAP) Therapy (0249-015)[42] Comparator: MK0249, Drug: Comparator: placebo, Drug: Comparator: modafinil Sleep Apnea (Obstructive), Hypopnea Syndrome, Excessive Daytime Sleepiness Pitolisant to Assess Weekly Frequency of Cataplexy Attacks and EDS in Narcoleptic Patients (HARMONY CTP)[43] Drug: Pitolisant, Drug: Placebo Narcolepsy with Cataplexy, Excessive Daytime Sleepiness Comparison of Modafinil and Methylphenidate in Treatment of Excessive Daytime Sleepiness in Patients With Parkinson's Disease[44] Drug: modafinil, Drug: methylphenidate Parkinson's Disease Modafinil Augmentation Therapy for Excessive Daytime Sleepiness and Negative Symptoms in Patients With Schizophrenia[45] Drug: Modafinil, Drug: Placebo Schizophrenia Efficacy and Safety of BF2.649 in Excessive Daytime Sleepiness (EDS) in Parkinson's Disease[46] Drug: BF2.649 (Pitolisant) Parkinson's Disease Trial of Xyrem for Excessive Daytime Sleepiness and Sleep Disturbance in Parkinson's Disease (PD)[47] Drug: sodium oxybate Parkinson's Disease