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Updated: Jul 6, 2026

Controlling Parkinson's Disease With Adaptive Deep Brain Stimulation
Published on: July 16, 2014
Antiparkinsonian therapy modifications in PD patients after STN DBS: a retrospective observational analysis
M Zibetti1, M Pesare, A Cinquepalmi
1Department of Neuroscience, University of Turin, via Cherasco 15, 10126 Turin, Italy. mzibetti@molinette.piemonte.it
Objective:
This study reports a retrospective analysis of 67 consecutive parkinsonian patients to assess changes in antiparkinsonian medications after Deep Brain Stimulation (DBS) of the Subthalamic Nucleus (STN).
Methods:
All antiparkinsonian drugs, including levodopa, dopamine agonists, associated drugs such as COMT and MAO inhibitors, amantadine and anticholinergics, were evaluated pre- and post-operatively at 1 and 3 years follow-up.
Results:
The levodopa mean daily dose was reduced approximately 60% after 1 year and remained stable after 3 years. Apomorphine, bromocriptine, tolcapone, entacapone and selegiline were withdrawn after STN DBS. Three years post-operatively, 9 patients (13.4%) no longer required levodopa and 6 patients (8.9%) completely stopped all dopaminergic medications. More patients were on monotherapy of either levodopa or dopamine agonist and fewer patients required a combined treatment of dopamine agonist and levodopa, compared to the pre-surgical condition.
Conclusions:
STN DBS treated PD patients experience a significant long-term reduction and simplification of the pharmacological treatment.
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