Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026
From continuous to adaptive deep brain stimulation: Personalized modulation improves motor complications and sleep in Parkinson's Disease.
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Soares Carolina, Borges Gabriel, Ferreira-Pinto Manuel J
Аннотация
BACKGROUND: Adaptive deep brain stimulation (aDBS) dynamically modulates stimulation parameters in real time based on ongoing neural activity, potentially overcoming key limitations of conventional continuous DBS (cDBS) in Parkinson's disease (PD).
OBJECTIVES: To assess the impact of switching from cDBS to aDBS on motor and non-motor symptoms in PD patients with suboptimal cDBS outcomes.
METHODS: Four PD patients transitioned from optimized cDBS to aDBS using threshold algorithms tailored to beta-band activity. Motor and non-motor outcomes were assessed before surgery, under cDBS, and 9 months after aDBS using MDS-UPDRS parts I-IV, PDSS-2, and PDQ-39.
RESULTS: aDBS reduced motor complications (ΔUPDRS-IV: -40.4%), while maintaining motor benefit. Patients showed improved sleep (ΔPDSS-2: -52.9%), improvement in non-motor and motor aspects of daily-living (ΔUPDRS-I: -43.6%; ΔUPDRS-II:- 31.3%), and quality-of-life (ΔPDQ-39: -24.7%). No adverse effects occurred and all patients preferred aDBS over cDBS.
CONCLUSIONS: aDBS was feasible, well tolerated, and improved motor fluctuations and sleep quality compared with cDBS, supporting its role in personalized neuromodulation for PD.
OBJECTIVES: To assess the impact of switching from cDBS to aDBS on motor and non-motor symptoms in PD patients with suboptimal cDBS outcomes.
METHODS: Four PD patients transitioned from optimized cDBS to aDBS using threshold algorithms tailored to beta-band activity. Motor and non-motor outcomes were assessed before surgery, under cDBS, and 9 months after aDBS using MDS-UPDRS parts I-IV, PDSS-2, and PDQ-39.
RESULTS: aDBS reduced motor complications (ΔUPDRS-IV: -40.4%), while maintaining motor benefit. Patients showed improved sleep (ΔPDSS-2: -52.9%), improvement in non-motor and motor aspects of daily-living (ΔUPDRS-I: -43.6%; ΔUPDRS-II:- 31.3%), and quality-of-life (ΔPDQ-39: -24.7%). No adverse effects occurred and all patients preferred aDBS over cDBS.
CONCLUSIONS: aDBS was feasible, well tolerated, and improved motor fluctuations and sleep quality compared with cDBS, supporting its role in personalized neuromodulation for PD.