Early addition of selegiline to L-Dopa treatment is beneficial for patients with Parkinson disease.

Abstract:

OBJECTIVES:To evaluate the clinical outcome of Parkinson disease (PD) patients treated with selegiline (with L-Dopa/decarboxylase inhibitor) in the early stage of the disease in comparison with that of late-stage use of selegiline. METHODS:The study and the reference groups were extracted from a large database of the registry of all selegiline users (4692) between year 1998 and 2003 according to the defined criteria. The study group consisted of 106 PD patients who received selegiline within 5 years from the onset of the disease and were followed up for 7 years in average. The reference group consisted of 585 PD patients with comparable disease duration who received selegiline for 16 weeks from 9 to 11 years (mean [SD], 9.9 [0.7]) after the onset of the disease, and the evaluation was made before and after the treatment with selegiline. RESULTS:The sum of the Unified Parkinson's Disease Rating Scale (UPDRS) scores of 6 major motor symptoms of the study group was significantly lower than that of the reference group (mean [SD], 7.78 [4.30] vs 11.41 [3.88]; P < 0.0001) when compared at a point with the same disease duration (9.8 [1.7] vs 9.9 [0.7] years). The mean UPDRS score of the reference group after 4 months' treatment with selegiline did not reach that of the study group (mean [SD], 9.40 [3.76] vs 7.78 [4.30]; P = 0.0002). CONCLUSIONS:The clinical outcome as evaluated by the selected UPDRS motor scores was better for L-Dopa-treated patients who received selegiline within 5 years from the onset compared with those who received selegiline approximately 10 years from the onset.

journal_name

Clin Neuropharmacol

authors

Mizuno Y,Kondo T,Kuno S,Nomoto M,Yanagisawa N

doi

10.1097/WNF.0b013e3181bbf45c

subject

Has Abstract

pub_date

2010-01-01 00:00:00

pages

1-4

issue

1

eissn

0362-5664

issn

1537-162X

journal_volume

33

pub_type

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