Clinical trial NCT06278818: Effects of Telerehabilitation on Brain Network Connectivity
Official title: Neural and Clinical Correlates of Rehabilitation in Neurodegenerative Conditions
Study type: INTERVENTIONAL
Overall status: RECRUITING
Phase: NA
Conditions: Mild Cognitive Impairment
Keywords: Non-pharmacological treatments
Cognitive training
Rehabilitation
Dementia
Connectivity
Neuroimaging
Lead sponsor: University of Pavia
Sponsor class: OTHER
Collaborators: name: University of Parma
name: University of Bologna
name: University of Rome Tor Vergata
First posted: 2024-02-26
Enrollment: 110
Sex: ALL
Minimum age (years): 50
Maximum age (years): 85
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: The current project aims at assessing the impact of various cognitive telerehabilitation approaches on patients with Mild Cognitive Impairment (MCI) associated with neurodegenerative diseases, namely Alzheimer's disease (AD) and Parkinson's disease (PD). The study focuses on non-pharmacological interventions to maintain patients' residual functionality, limit disease progression, and improve quality of life for both patients and their caregivers.

This longitudinal and multicenter study applies innovative cognitive telerehabilitation (TR) methods and evaluates their impact on functional parameters obtained with high-density electroencephalogram (HD-EEG) and resting-state functional magnetic resonance imaging (rsFMRI). The goal is to identify neurophysiological correlates of the effects of three different cognitive TR in individuals with MCI due to neurodegenerative conditions.

The study aims to:

* Identify correlations between improvement in cognitive performance and functional brain data.
* Use acquired knowledge to develop neurologically guided TR approaches for broader use.

The research will include patients diagnosed with MCI associated with neurodegenerative diseases. Primary outcome measures include changes in resting-state brain connectivity assessed through HD-EEG and rsFMRI. Secondary outcomes involve the assessment of changes in neuropsychological measures, caregiver burden, immediately after rehabilitation and after longitudinal follow-up.

The study is designed to last 30 months, with follow-up assessments at three time points. The primary outcomes will be evaluated using rsFMRI and HD-EEG instrumental acquisitions, the secondary outcomes will be evaluated using clinical assessments and neuropsychological tests.

Detailed description: Currently, the impact of drug therapies on neurodegenerative conditions is very limited; The drugs available are mostly symptomatic and recent drug trials with new molecules have given contrasting results about the possibility of slowing down progression of disease. Therefore, clinically there is a strong interest in possible non-pharmacological intervention strategies for preserving functionality and limiting progression of disease as far as possible, reducing disability, and improving quality of life for both patients and their caregivers. Neurodegenerative diseases, such as Alzheimer's disease (AD) and, in some cases Parkinson's disease (PD), are characterized by a progressive cognitive decline. During the initial and mild cognitive impairment (MCI) phase, subjects report subjective disorders and show an objective and measurable cognitive impairment, although they maintain independence in day-to-day life activities. No consensus has been reached on the effect of non-pharmacological approaches to contrast cognitive decline, but there is a general agreement that these approaches are more likely to succeed the sooner they are implemented and the more accurately they act on the domains involved in the cognitive decline process.

The current longitudinal and multicenter study aims to apply innovative cognitive telerehabilitation (TR) approaches to the MCI population, to assess the impact of the different cognitive telerehabilitation approaches on brain network connectivity, acquired by means of high-density electroencephalogram (HD-EEG) and functional magnetic resonance imaging at rest (rs-fMRI). Moreover, the protocol will evaluate the effects of cognitive TR on neuropsychological measures. The primary outcome will be evaluated by means of a direct comparison between brain network connectivity measures before and after the intervention and by means of a comparison with a control group of MCI subjects, who will be involved in unstructured cognitive activities.

Condition Condition: Early stages of cognitive impairment due to neurodegenerative diseases, i.e. AD and PD.

Telerehabilitation Approaches Network-based Cognitive Training (NBCT) - A cognitive training specifically designed to promote the co-activation of multiple brain areas (i.e., central nodes), modulating the functional connectivity of specific resting state networks (RSNs) (i.e., Default Mode Network, DMN, e Salience Network, SN). This rehabilitation package has been used in face-to-face mode on a sample of healthy subjects (average age: 66 years), in whom a rehabilitation-induced "up-regulation" effect of the functional connectivity of the rear central nodes of the DMN was observed. Subsequently, this training approach has been tested in MCI-AD, MCI-PD and in patients with relapsing-remitting multiple sclerosis who complained of mild cognitive deficits. Within the framework of this study, the rehabilitation program will be implemented on a telerehabilitation platform (i.e. Khymeia) and will be administered through a virtual connection. A link will be provided for each rehabilitation session, which will allow participants to access and use the rehabilitation protocol through a web browser on their personal computer, tablet or mobile. This approach offers many advantages in terms of practicality, ease of use and accessibility for study participants.

Home-based Cognitive Rehabilitation (HomeCoRe) system - software for cognitive rehabilitation specially developed for the initial stages of deterioration (amnestic MCI, MCI-PD, mild AD), the usability and effectiveness of both in the person version (CoRe), as well as in remote rehabilitation (HomeCore) in the short and long term has been verified in the hospital field also in combination with neurostimulation techniques. HomeCoRe is an adaptive patient-tailored treatment that returns a Weighted score of performance for each exercise and each session to monitor patient's progress even remotely and adjust the level of difficulty of the proposed exercises accordingly. The mentioned strategy is applied to avoid over or under stimulation of the patient. The software provides an easy to access platform through which the patient interacts via a touch screen. The usability and acceptance of the home version of HomeCoRe has already been tested in a small group of patients in the early stages of cognitive impairment.

Semantic Memory Rehabilitation Training (SMRT) - Building upon the crucial role that the processing of semantic aspects of episodic information plays in long-term episodic memory processes, and recent evidence indicating early involvement of semantic memory in preclinical forms of Alzheimer's disease, the current cognitive training aims to enhance semantic processing in patients with MCI. The dual objective is to improve both episodic and semantic memory processes. A pilot study has yielded encouraging results in a small group of patients. The protocol is administered through telerehabilitation using a specific device with constant assistance from an online therapist.

Unstructured Home-based Cognitive Stimulation (Control) - This activity is commonly used as a control condition to test the effectiveness of innovative rehabilitative treatments, such as NBTC, HomeCoRe, and SMRT in this case. The treatment involves 60 minutes of daily activities (frequency and overall treatment duration will be adapted to the experimental treatment for comparison). Patients will receive instructions from the therapist along with a participant diary. For each session, few newspaper articles will be provided for the patient to read and summarize in the diary by answering specific questions. The protocol is administered through tele-rehabilitation using a specific device with constant assistance from an online therapist.

Eligibility criteria: Inclusion criteria for MCI-AD subjects:

* Confirmed clinical diagnosis of MCI due to possible Alzheimer\&#39;s disease with evidence of AD pathophysiological processes, according to National Institute of Neurological and Communicative Disorders and Stroke - Alzheimer's Disease and Related Disorders Association criteria (Albert et al., 2011);
* Ability to understand and consciously sign informed consent and adhere to study procedures.
* Educational level ≥ 5 years.

Inclusion criteria for MCI-PD subjects:

* Clinical diagnosis of MCI-PD according to Level II criteria (Litvan et al., 2012). Ability to understand and consciously sign informed consent and adhere to study procedures.
* Educational level ≥ 5 years.

Exclusion criteria:

* Aphasia, visuospatial neglect;
* Atypical and/or secondary parkinsonisms;
* Dementia according to Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria;
* Alterations of consciousness;
* Sensory disorders that could interfere with the execution of tests and rehabilitative treatment;
* Concurrent psychiatric and/or neurological and/or essential tremor disorders;
* Presence of systemic inflammatory and infectious diseases, autoimmune diseases, malignant tumors at the time of recruitment, deemed clinically significant by the investigator and therefore capable of interfering with the study results;
* Inability or unwillingness to undergo MRI and/or EEG;
* Presence of prostheses or metallic implants incompatible with MRI;
* Deep brain stimulation (DBS) implant.
* Any dropouts will be managed by enrolling new patients.

Primary outcomes:
measure: Changes in resting-state brain networks functional connectivity after NBTC treatment
timeFrame: Between-session before (Week 0) - after (Week 4 +/-2) NBCT TR
measure: Changes in resting-state EEG coherence after NBTC treatment
timeFrame: Between-session before (Week 0) - after (Week 4 +/-2) NBCT TR
measure: Changes in resting-state EEG coherence after HomeCore treatment
timeFrame: Between-session before (Week 0) - after (Week 6 +/-2) HomeCore TR
measure: Changes in resting-state brain networks functional connectivity after SMRT treatment
timeFrame: Between-session before (Week 0) - after (Week 6 +/-2) SMRT TR
Secondary outcomes:
measure: Changes in neuropsychological and caregiver burden measures after TR
timeFrame: Between-session TO (Week 0) - T1 (Week 4 +/-2 or 6 +/-2) - T2 (Week 30+/-2 or 32+/-2) - T3 (Week 56+/-2 or 58+/-2)
Other outcomes:
Locations:
city: Pavia
country: Italy
facility: IRCCS Mondino Foundation
Study officials:
affiliation: University of Pavia
name: Cristina Tassorelli, MD
role: PRINCIPAL_INVESTIGATOR
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