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THN 102 for Excessive Daytime Sleepiness Associated with Parkinson's Disease: A Phase 2a Trial

JC. Corvol, JP. Azulay, B. Bosse, Y. Dauvilliers, L. Defebvre, F. Klostermann, N. Kovacs, D. Maltête, WG. Ondo, R. Pahwa, W. Rein, S. Thobois, M. Valis, A. Videnovic, O. Rascol, THN102-202 Study Investigators

. 2022 ; 37 (2) : 410-415. [pub] 20211028

Language English Country United States

Document type Clinical Trial, Phase II, Journal Article, Randomized Controlled Trial, Research Support, Non-U.S. Gov't

BACKGROUND: Excessive daytime sleepiness (EDS) is a frequent and disabling symptom of Parkinson's disease (PD) without approved treatment. THN102 is a novel combination drug of modafinil and low-dose flecainide. OBJECTIVE: The aim of this study is to evaluate the safety and efficacy of THN102 in PD patients with EDS. METHODS: The method involved a randomized, double-blind, placebo-controlled, crossover trial testing two doses of THN102 (200 mg/d modafinil with 2 mg/d [200/2] or 18 mg/d flecainide [200/18]) versus placebo; 75 patients were exposed to treatment. The primary endpoint was safety. The primary efficacy outcome was the change in Epworth Sleepiness Scale (ESS) score. RESULTS: Both doses of THN102 were well tolerated. ESS significantly improved with THN102 200/2 (least square means vs. placebo [95% confidence interval, CI]: -1.4 [-2.49; -0.31], P = 0.012) but did not change significantly with the 200/18 dosage. CONCLUSIONS: THN102 was well tolerated and showed a signal of efficacy at the 200/2 dose, supporting further development for the treatment of EDS in PD. © 2021 International Parkinson and Movement Disorder Society.

Department of Neurology and Movement Disorders La Timone Hospital Assistance Publique Hôpitaux de Marseille NS PARK FCRIN Network Marseille France

Department of Neurology and Movement Disorders Lille University Medical Center NS PARK FCRIN Network Lille France

Department of Neurology C Pierre Wertheimer Neurological Hospital Hospices Civils de Lyon NS PARK FCRIN Network Univ Lyon CNRS Institut des Sciences Cognitives Marc Jeannerod Bron France

Department of Neurology Centre d'Investigation Clinique Neurosciences NS PARK FCRIN Network Sorbonne Université Assistance Publique Hôpitaux de Paris Paris Brain Institute ICM INSERM CNRS Hôpital Pitié Salpêtrière Paris France

Department of Neurology Charité Universitätsmedizin Berlin Campus Benjamin Franklin Berlin Germany

Department of Neurology Charles University Faculty of Medicine and University Hospital Hradec Kralove Czechia

Department of Neurology Massachusetts General Hospital Boston Massachusetts USA

Department of Neurology Medical School University of Pecs Pecs Hungary

Department of Neurology Rouen University Hospital and University of Rouen NS PARK FCRIN Network Rouen France

Departments of Neurology and Clinical Pharmacology Centre of Clinique Investigations NS Park FCRIN Network Centre of Excellence for Neurodegenerative Disorders of Toulouse CHU de Toulouse Toulouse 3 University NS PARK FCRIN Network Toulouse France

Movement Disorders Division University of Kansas Medical Center Kansas City Kansas USA

Movement Disorders Methodist Neurological Institute Weill Cornel Medical School Houston Texas USA

Scope International Mannheim Germany

Sleep Wake Disorders Center Department of Neurology Gui de Chauliac Hospital CHU Montpellier University of Montpellier Montpellier France

Theranexus SA Lyon France

References provided by Crossref.org

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$a BACKGROUND: Excessive daytime sleepiness (EDS) is a frequent and disabling symptom of Parkinson's disease (PD) without approved treatment. THN102 is a novel combination drug of modafinil and low-dose flecainide. OBJECTIVE: The aim of this study is to evaluate the safety and efficacy of THN102 in PD patients with EDS. METHODS: The method involved a randomized, double-blind, placebo-controlled, crossover trial testing two doses of THN102 (200 mg/d modafinil with 2 mg/d [200/2] or 18 mg/d flecainide [200/18]) versus placebo; 75 patients were exposed to treatment. The primary endpoint was safety. The primary efficacy outcome was the change in Epworth Sleepiness Scale (ESS) score. RESULTS: Both doses of THN102 were well tolerated. ESS significantly improved with THN102 200/2 (least square means vs. placebo [95% confidence interval, CI]: -1.4 [-2.49; -0.31], P = 0.012) but did not change significantly with the 200/18 dosage. CONCLUSIONS: THN102 was well tolerated and showed a signal of efficacy at the 200/2 dose, supporting further development for the treatment of EDS in PD. © 2021 International Parkinson and Movement Disorder Society.
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