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Globus Pallidus Stimulation to Treat Insomnia

Stimulation of the External Pallidal Segment for Insomnia in Patients With Parkinson's Disease

Status
Recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04116996
Acronym
GPS-I
Enrollment
10
Registered
2019-10-07
Start date
2019-01-01
Completion date
2029-01-01
Last updated
2025-12-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Parkinson Disease

Brief summary

Researchers are to determine if turning on an additional unilateral DBS (deep brain stimulation) electrode with stimulation to the globus pallidus externa (GPe) region of the brain will improve insomnia (sleep).

Interventions

DEVICEDEEP BRAIN STIMULATION

NEUROMODULATION

Sponsors

Mayo Clinic
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
40 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

* 40-80 years of age * Symptomatic with Parkinsonism for 7-20 years * Severe insomnia based on ISI score

Exclusion criteria

* Clinically significant dementia (MMSE \<23) * Hoehn & Yahr \[Hoehn, 1967 #1839\] stage I or V disease * Other significant neurological or psychiatric disease * Previous pallidotomy or thalamotomy * Previous placement of other implantable devices * Secondary parkinsonism (non-idiopathic parkinsonism) * Inability to travel to Jacksonville for post-operative study visits * Severe sleep apnea * Insomnia due to pain or untreated mood disorder * Contraindications to 3T MRI * Circadian rhythm sleep disorders. * Current use of hypnotics

Design outcomes

Primary

MeasureTime frameDescription
Change in Insomnia Severity Index3 and 6 monthsChange in self-reported insomnia severity index questionnaire score, using a total score scale of 0-7 is no clinically significant insomnia, 8-14 is subthreshold insomnia, 15-21 is clinical insomnia (moderate severity), 22-28 is Clinical insomnia (severe)

Secondary

MeasureTime frameDescription
Change in Parkinson's Sleep Scale (PDSS)3 and 6 monthsChange in self-reported Parkinson's Sleep Scale (PDSS) questionnaire, using a scale of 0 is always and 10 as never

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026