Abstract
This open-label extension (SP716; NCT00599196) of a 6-month, double-blind, randomized study (SP513) investigated the safety and tolerability of rotigotine transdermal system over up to ~6 years in patients with Parkinson’s disease (PD; early-stage PD at double-blind enrollment). Eligible patients completing the 6-month study received optimal dose open-label rotigotine (≤16 mg/24 h) for up to ~6 years. Adjunctive levodopa was permitted. Primary outcomes included adverse events (AEs) and extent of rotigotine exposure. Analysis of adjunctive levodopa use, dyskinesias [unified Parkinson’s disease rating scale (UPDRS) IV], and efficacy (UPDRS II + III total score) were also assessed. Of 381 patients enrolled in the open-label extension, 52 % were still in the study at time of closure; 24 % withdrew because of AEs and 6 % because of lack of efficacy. Patients received rotigotine for a median duration of 1,564.5 days (~4 years, 3 months; range 5–2, 145 days). 69 % of patients started supplemental levodopa; median time to levodopa was 485 days (~1 year, 4 months). Most common AEs (% per patient-year) were somnolence (18 %), application site reactions (12 %), nausea (9 %), peripheral edema (7 %), and fall (7 %). AEs indicative of impulsive–compulsive behavior were recorded in 25 (7 %) patients. Dyskinesias were experienced by 65 (17 %) patients; the majority [47 of 65 (72 %)] reported first dyskinesia after starting levodopa. Mean UPDRS II + III total scores remained below double-blind baseline for 4 years (assessment of all patients). In conclusion, rotigotine was generally well tolerated for up to ~6 years in patients with early-stage PD. The AEs reported were in line with previous studies of rotigotine transdermal system, with typical dopaminergic side effects and application site reactions seen.
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Acknowledgments
This study was supported by UCB Pharma, Raleigh, NC, USA. The authors acknowledge the study investigators for their contributions to data acquisition in the SP716 study (in alphabetical order): A. Albanese, T. Anderson, S. Asenbaum, F. Badenhorst, L. Battistin, M. Bomhof, B. Boothman, J. Breuer, B. Brew, V. Brinar, D. Burn, J. Carr, B. Chmielewska, C. E. Clarke, D. Crimmins, P. De Deyn, G.-L. Defer, V. Demarin, A. Destee, G. Deuschl, R. Djaldetti, D. Dolezil, P. Endre, V. Fung, J. Gardiner, W. Guldenpfennig, D. Grosset, Y. Hallstrom, M. Hayes, A. Jeanjean, T. Jolma, A. Kaelin, B. Kies, J. Kotowicz, M. Kronenbuerger, J. Kulisevsky, V. Lajos, J. Larsen, Ma R. Luquin Pindo, S. Mossman, V. Myllyla, G. Nappi, W. Nyka, S. Ochudlo, W. Oertel, R. Palm, M. Partinen, N. Puiu, W. Poewe, J. Polivka, D. Pruchnik-Wolinska, N. Quinn, I. Rektor, O. Rascol, C. Rozsa, S. Ruggieri, I. Sagi, J. Smuts, B. Snow, H. Soininen, M. Steiger, A. Szczudlik, A. Takacs, E. Tolosa Sarro, A. Tutaj, J. Valpas, F. Viallet, F. Vingerhoets, R. Weiser, A. Williams, P. Wood. The authors also acknowledge Ging-Ging Li CMPP (Global Publications Manager, movement and sleep disorders, UCB Pharma, Brussels, Belgium) for publication coordination, and Emily Thompson, PhD, Evidence Scientific Solutions, London, UK, for writing and editorial assistance, which was contracted by UCB Pharma, Brussels, Belgium. This manuscript was developed in accordance with International Committee of Medical Journal Editors (ICMJE) guidelines: ICMJE uniform requirements for manuscripts submitted to Biomedical Journals.
Conflict of interest
Nir Giladi has served as a paid consultant for Schwarz Pharma, Teva, Lundbeck, UCB Pharma, Eisai, Intec Pharma, GSK, Solvay, Merz, Biogen, and NeuroDerm; has received honoraria as a member of advisory boards for UCB Phama, Teva, Lundbeck, NeuroDerm, and Intec Pharma; has received honoraria for lectures from Schwarz Pharma, Teva, Lundbeck, GSK, Allergan, Novartis, and UCB; has received grant support from NIH, Michael J.Fox Foundation, National Parkinson Foundation USA, Israel Science Foundation, Parkinson’s Disease Foundation USA, and European Community; and has received other educational support from Schwarz Pharma, Teva, Lundbeck, Allergan, Novartis, Solvay and Medtronic’s. Babak Boroojerdi is an employee of UCB Pharma, Raleigh, NC, USA. Erwin Surmann is an employee of UCB Pharma, Monheim am Rhein, Germany.
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Giladi, N., Boroojerdi, B. & Surmann, E. The safety and tolerability of rotigotine transdermal system over a 6-year period in patients with early-stage Parkinson’s disease. J Neural Transm 120, 1321–1329 (2013). https://doi.org/10.1007/s00702-013-1001-5
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DOI: https://doi.org/10.1007/s00702-013-1001-5