Abstract
The study objective was to assess the efficacy, safety and feasibility of switching from levodopa/benserazide (LB) or levodopa/carbidopa (LC) to levodopa/carbidopa/entacapone (LCE) in Parkinson’s disease (PD) patients with wearing-off. This was a multicenter, open-label, 6-week study; the primary outcome was success rate based on the patient-assessed Clinical Global Impression of Change (P-CGI-C). Secondary outcomes included investigator-assessed CGI-C (I-CGI-C), change from baseline in Unified Parkinson’s Disease Rating Scale (UPDRS), motor/non-motor wearing-off symptoms and quality of life–visual analog scale (QoL-VAS). After switching to LCE, 77% of patients reported an ‘improvement’ (p < 0.0001 vs. patients reporting ‘no change or worsening’). Significant improvements were seen in I-CGI-C, UPDRS and QoL-VAS, regardless of prior therapy. Oral levodopa dosing was increased in 28% of patients; the primary outcome remained significant when these patients were excluded. The data suggest that switching from LB/LC to LCE provided a significant benefit in PD patients with wearing-off.
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Acknowledgments
This study was funded by Orion Corporation Orion Pharma. The authors would like to thank Diya Lahiri, Ph.D. for her editorial assistance.
Conflict of interest statement
Karla Eggert has worked as a consultant for Orion Pharma, Schwarz Pharma Neuroscience (UCB), Solvay Pharmaceuticals, Valeant Pharmaceuticals International, Desitin, Orphane Europe, Boehringer Ingelheim, GlaxoSmithKline. She receives scientific grants from the German Ministry of Education and Health, from the Pitzer Foundation and from the Rhön Foundation; Helena Nissinen, Mikko Kuoppamäki and Liisa Luotonen are employees of Orion Pharma; Örjan Skogar and Khaled Amar have acted as consultants for Orion Pharma; statistical analysis was carried out my Mika Leinonen who has served as a consultant for Orion Pharma; W. H. Oertel has worked as a consultant for Boehringer Ingelheim, EISAI Medical Research, GE Health, GlaxoSmithKline, Novartis, Orion Pharma, Schwarz Pharma Neuroscience (UCB), Solvay Pharmaceuticals, Teva Neuroscience, Valeant Pharmaceuticals International. Prof. Dr. W. H. Oertel and his collaborators have received grants from Boehringer Ingelheim, Hoffmann LaRoche, Schwarz Pharma Neuroscience for basic science research and educational support. He receives scientific grants from the German Ministry of Education and Health, from the German Research Foundation, from the Pitzer Foundation and from the Rhön Foundation.
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The members of the SENSE Study Group are: Khaled Amar, The Royal Bournemouth Hospital, Bournemouth, UK; Ralf Bodenschatz, Pharmakologisches Studienzentrum Chemnitz, Chemnitz, Germany; Carsten Buhmann, Universitätskrankenhaus Eppendorf, Hamburg, Germany; Sven-Erik Bysell, Visby lasarett, Visby, Sweden; Ilona Csoti, Parkinson-Zentrum Gertrudis-Klinik, Leun-Biskirchen, Germany; Paul Davies, Northampton General Hospital, Northampton, UK; Karla Eggert, Klinik für Neurologie, Philipps-Universität Marburg, Germany; Christer Ewaldsson, Neurologmottagningen, Västra Frölunda, Sweden; Duncan Forsyth, Addenbrookes Hospital, Cambridge, UK; Thomas Gasser, Eberhard-Karls-Universität, Tübingen, Germany; Jan Kassubek, Neurologische Klinik der Universität Ulm, Ulm, Germany; Andreas Kupsch, Humboldt Universität Charité Neurologische Klinik, Berlin, Germany; Nelson Lo, Leicester General Hospital, Leicester, UK; Wolfhard Lünser, Facharzt für Neurologie und Neurochirurgie, Hamm, Germany; Thomas Müller, St. Josef-Hospital Klinikum der Ruhr-Universität-Bochum, Bochum, Germany; Alexander Nass, Nervenarztpraxis, Köln, Germany; Udo Polzer, Asklepios Fachklinikum Stadtroda, Stadtroda, Germany; Gerd Reifschneider, Gemeinschaftspraxis für Neurologie & Psychiatrie, Erbach, Germany; Stuart Rochow, Woodend Hospital, Aberdeen, UK; Anirban Saha, Royal Sussex County Hospital, Brighton, UK; Christine Schuster, Neurologische Praxis, Giessen, Germany; Örjan Skogar, Länssjukhuset Ryhov, Jönköping, Sweden; Alexander Storch, Technische Universität Dresden, Dresden, Germany; Claudia Trenkwalder, Paracelsus-Elena Klinik, Kassel, Germany; Wolfgang Oertel, Klinik für Neurologie, Philipps-Universität Marburg, Germany; Hans-Jürgen von Giesen, Alexianer-Krankenhaus, Krefeld, Germany; Görel Wachtmeister, Nyköpings Lasarett, Nyköping, Sweden; Richard Walker, North Tyneside General Hospital, North Shields, UK; Ulf Wigow, Höglandssjukhuset i Nässjö, Nässjö, Sweden.
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Eggert, K., Skogar, Ö., Amar, K. et al. Direct switch from levodopa/benserazide or levodopa/carbidopa to levodopa/carbidopa/entacapone in Parkinson’s disease patients with wearing-off: efficacy, safety and feasibility—an open-label, 6-week study. J Neural Transm 117, 333–342 (2010). https://doi.org/10.1007/s00702-009-0344-4
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DOI: https://doi.org/10.1007/s00702-009-0344-4