- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06145776
The Role of EEG in Identifying Cognitive Changes in Parkinson's Disease
Effects of Cognitive-motor Dual-Task Training and tDCS on Brain Electrical Activity Assessed by EEG and Cognitive Performance in Patients With Parkinson's Disease: a Randomized, Double-blind, Controlled Clinical Trial.
Study Overview
Status
Detailed Description
Background: Parkinson disease (PD) is one of the most common age-related brain disorders. PD is defined primarily as a movement disorder, with the typical symptoms being resting tremor, rigidity, bradykinesia and postural instability. In addition to the defining dopamine-related motor symptoms, however, PD is increasingly recognized as a heterogeneous multisystem disorder involving other neurotransmitter systems, such as the serotonergic, noradrenergic and cholinergic circuits. Thus, a wide variety of nonmotor symptoms (NMS) linked with these neurotransmitters are commonly observed in patients with PD. Cognitive decline is among the most common and important NMS. Robust evidence indicates that in comparison with age-matched groups without PD, people with PD exhibit more rapid decline in a number of cognitive domains - in particular, executive, attentional and visuospatial domains, but also memory. In recent years, research has focused on the pre-dementia stages of cognitive impairment in PD, including mild cognitive impairment (MCI). Several longitudinal studies have shown that MCI is a harbinger of dementia in PD, although the course is variable, and stabilization of cognition - or even reversal to normal cognition - is not uncommon. A variety of biomarkers have been studied, some using novel structural and functional imaging techniques, and have documented in vivo brain changes associated with cognitive impairment. Patients with Parkinson's disease have difficulty performing a dual-task, a condition present in everyday life. It is possible that strategies such as Transcranial Direct Current Stimulation can be associated with motor training enriched with dual-task and cognitive training to improve the performance of two concurrent tasks. It is currently unclear whether specific tasks and clinical conditions of PD patients have different results after the intervention. Therefore, the proposed randomized controlled trial will examine the effects of a intervention protocol on brain eletric activity and cognitive outcomes on PD patientes and the relationships between baseline outcomes in responders and non-responders to therapy.
Discussion: This study will evaluate the effectiveness of an intervention protocol with transcranial direct current stimulation, dual-task motor-cognitive training in patients with Parkinson's disease. The study will also highlight whether, by qEEG analysis, the clinical factors and variability between individuals that could interfere in the efficacy intervention and influence the therapeutic effect.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Suellen M Andrade, Doctor
- Phone Number: +55 83993812744
- Email: suellen.andrade@academico.ufpb.br
Study Locations
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João Pessoa, Brazil
- Recruiting
- Aging and Neuroscience Studies Laboratory
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Contact:
- Suellen Andrade
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Paraiba
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João Pessoa, Paraiba, Brazil, 51051900
- Recruiting
- Federal University of Paraiba
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Contact:
- Suellen M Marinho dos Santos Andrade, Doctor
- Phone Number: +55 83993812744
- Email: suellen.andrade@academico.ufpb.br
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Contact:
- E
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- being diagnosed with idiopathic Parkinson's disease by a neurologist based on definitive evidence of responsiveness to levodopa at the start of the disease and the history of progressive hypokinesia with asymmetric onset. PD will be diagnosed based on Parkinson's Disease Society Brain Bank (PDSBB) criteria, as described in Hughes et al. (1992)
- Age between 40 and 70 years, with no distinction for sex, schooling level or other sociodemographic characteristics;
- disease staging between 1.5 and 3, according to the modified Hoehn and Yahr scale (Hoehn and Yahr, 1998);
- undergoing regular pharmacological treatment with levodopa (equivalent dose > 300 mg) or taking antiparkinsonian medication, such as anticholinergics, selegiline, dopamine agonists, and COMT (catechol-O-methyl transferase) inhibitors for at least 4 weeks prior intervention;
- score of more than 24 points on the Mini-Mental State Examination (Folstein et al., 1975);
- not exhibiting other associated neurological diseases; and
- no musculoskeletal and/or cardiorespiratory changes that could compromise gait.
Exclusion Criteria:
- diagnosis of atypical Parkinson's disease;
- neuropsychiatric comorbidities;
- convulsions, metal clips and/or pacemaker;
- deep brain stimulation implant;
- history of epilepsy; neurosurgery;
- traumatic brain injury;
- alcohol abuse or drug dependency;
- associated diseases of the peripheral or central nervous system;
- undergoing physical therapy at another location;
- inability to walk 10 meters;
- presence of important dyskinesia that prevents the participant from sitting in a chair;
- abnormal and persistent increase in systemic blood pressure before or during training, after three measurements taken 5 min apart-Cut-off: systolic blood pressure ≥ 140 mm Hg and/or diastolic ≥ 90 mm Hg (Malachias et al., 2016);
- not understanding any of the training protocol stages; chemical scalp treatment within the previous 30 days, and experiencing severe pain and/or discomfort that precludes performing the proposed activities.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: dual-task group
Dual-Task Training Protocol (DTTP) The dual-task training protocol (DT) will consist in cognitive exercise categories: verbal fluency, mental screening tasks, discrimination, decision-making and reaction time tasks, which will be associated to treadmill gait training (Sousa et al., 2016).
Verbal commands will focus on the following: (1) large strides; (2) heel strike; (3) raising the knees while walking (Kelly et al., 2012).
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Standart Rehab training will consist in 20 min treadmill gait training associated to active atDCS F3 2mA for 20 min.
The dual-task training protocol (DT) will consist in cognitive exercises (verbal fluency, mental screening tasks, discrimination, decision-making and reaction time tasks) and motor exercises (walking while carrying a tray with only one empty glasscarrying a glass while walks, change peaces from one pocket to another, looking from one side to another while walking)
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Active Comparator: control group
The participants will perform 21 min treadmill gait training associated to tDCS active in F3 for 20 min, 3 times a week for 4 weeks.
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Standart Rehab training will consist in 20 min treadmill gait training associated to active atDCS F3 2mA for 20 min.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
EEG outcomes
Time Frame: 30 days
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PSD of theta, alpha and beta and alpha/theta ratio and beta/theta ratio of 6 ROIs (righ and left: frontal, temporoparietal and occipital)
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30 days
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clinic outcome
Time Frame: 30 days
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Dual-task cost
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30 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Total Montreal Cognitive Assessment (MoCA)
Time Frame: 30 days
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total score obtained at Montreal Cognitive Assesment, for a possible maximum of 30 points.
A final total score of 26 and above is considered normal.
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30 days
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domains of MoCA
Time Frame: 30 days
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Score of ecah subscale obtained at Montreal Cognitive Assesment: visuospatial/executive (5 points); nomination (3 points); memory (5 points for delayed recall); attention (6 points); language (3 points); abstraction (2 points); and orientation (6 points).
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30 days
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Trail Making Test part B (TMT-B)
Time Frame: 30 days
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TMT-B is scored based on how long it takes to complete the test, within 5 minutes.
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30 days
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Stroop Test
Time Frame: 30 days
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score of total Stroop test (Stroop Colors and Stroop Words).
Word, color, and color-word T-Scores of 40 or less are considered "low."
Word, color, and color-word T-Scores above 40 or are considered "normal."
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30 days
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Movement Disorder Society - Unified Parkinson's Disease Rating Scale PART II Score Compare insights MDS-Unified Parkinson's Disease Rating Scale part II (UPDRS-II)
Time Frame: 30 days
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Score of part II of UPDRS, Motor experiences of daily living: 13 items.
Score range: 0-52,[8] 12 and below is mild, 30 and above is severe
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30 days
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Suellen Andrade, Doctor, Federal University of Paraiba
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- EEG_DPcog
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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