Novel Non-invasive Brain Stimulation Techniques in Neurological Rehabilitation
NCT ID: NCT05766059
Last Updated: 2025-09-17
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
NA
36 participants
INTERVENTIONAL
2023-02-08
2026-09-30
Brief Summary
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Participants will perform the standard PAS targeting the motor system and the recently developed mirror-PAS in two separate sessions. The investigators will compare the possible effect of the protocols in terms of neurophysiological and behavioral outcomes to identify the optimal PAS method to enhance plasticity and promote sensory-motor function.
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Detailed Description
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In this study, researchers will use a TMS protocol called Paired Associative Stimulation (PAS), in which two stimuli (e.g., a cortical stimulus - delivered with TMS - and a peripheral stimulus) are repeatedly associated to promote associative plasticity in the primary motor cortex (M1).
The objective is to explore the clinical efficacy of a newly developed cross-modal PAS protocol -the so-called "mirror-PAS"- as a possible motor rehabilitation treatment in patients with upper limb motor disorders, investigating its neurophysiological and behavioural effects. The innovative aspect of mirror-PAS is to act on a more extended visuomotor network, featured by the functional properties of the mirror neuron system (MNS). Indeed, in the mirror-PAS, a visual stimulus depicting a hand movement is repeatedly paired with a TMS pulse over M1. In the healthy, this protocol was found effective in modulating neurophysiological responses of the motor cortex (i..e, MEPs), hence inducing these effects bypassing the afferent somatosensory pathway exploited by the standard PAS protocols. This may represent a clinical advantage allowing the promotion of motor recovery through the induction of a plastic reorganization in the damaged motor system by gaining access through a potentially spared MNS.
The project's first phase aims to assess the motor and neurophysiological effects of mirror-PAS in stroke patients with upper-limb hemiparesis, compared to the standard excitatory M1-PAS (whose effects are well known in the literature, even if still debated).
In the second phase, we will test the efficacy of the mirror-PAS in a population of amputated patients affected by phantom limb pain (PLP).
Conditions
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Study Design
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NON_RANDOMIZED
SEQUENTIAL
In a second phase of the study \[Phase 2\], we will test the efficacy of the aforementioned cross-modal PAS in a population of amputated patients affected by phantom limb pain (PLP).
OTHER
NONE
Study Groups
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[Phase 1] Stroke patients with upper-limb hemiparesis
Transcranial Magnetic Stimulation
The standard PAS protocol will be compared with the mirrorPAS protocol.
[Phase 2] Patients with phantom limb pain (PLP)
Transcranial Magnetic Stimulation
The standard PAS protocol will be compared with the mirrorPAS protocol.
Interventions
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Transcranial Magnetic Stimulation
The standard PAS protocol will be compared with the mirrorPAS protocol.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* single, unilateral, hemispheric stroke (cortical or sub-cortical areas)
* stroke confirmed by neuroimaging (CT or MRI)
* stroke at least 4 months before enrollment
* hemiparesis of the upper limb resulting from stroke or hemianesthesia clinically documented
* age from 18 to 90 years
* amputation of one part of the upper limb at least 2 months before enrollment
* presence of stable phantom limb pain at least 2 months prior to enrollment
Exclusion Criteria
* other neurological conditions (e.g., Parkinson's Disease, Multiple Sclerosis, ALS)
* other orthopedic condition that affected the hand (e.g., carpal tunnel syndrome)
* contraindications to TMS (Rossi et all, 2021)
* other neurological, orthopedical or psychiatric conditions
18 Years
85 Years
ALL
No
Sponsors
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Istituto Auxologico Italiano
OTHER
Responsible Party
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Principal Investigators
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Nadia Bolognini, PhD
Role: PRINCIPAL_INVESTIGATOR
Laboratorio di Neuropsicologia, IRCCS Istituto Auxologico Italiano
Locations
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Istituto Auxologico Italiano IRCCS
Milan, Lombardy, Italy
Countries
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Central Contacts
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Facility Contacts
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References
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Guidali G, Roncoroni C, Bolognini N. Paired associative stimulations: Novel tools for interacting with sensory and motor cortical plasticity. Behav Brain Res. 2021 Sep 24;414:113484. doi: 10.1016/j.bbr.2021.113484. Epub 2021 Jul 21.
Guidali G, Carneiro MIS, Bolognini N. Paired Associative Stimulation drives the emergence of motor resonance. Brain Stimul. 2020 May-Jun;13(3):627-636. doi: 10.1016/j.brs.2020.01.017. Epub 2020 Feb 5.
Kaur A, Guan Y. Phantom limb pain: A literature review. Chin J Traumatol. 2018 Dec;21(6):366-368. doi: 10.1016/j.cjtee.2018.04.006. Epub 2018 Dec 4.
Castel-Lacanal E, Marque P, Tardy J, de Boissezon X, Guiraud V, Chollet F, Loubinoux I, Moreau MS. Induction of cortical plastic changes in wrist muscles by paired associative stimulation in the recovery phase of stroke patients. Neurorehabil Neural Repair. 2009 May;23(4):366-72. doi: 10.1177/1545968308322841. Epub 2008 Dec 5.
Stefan K, Kunesch E, Cohen LG, Benecke R, Classen J. Induction of plasticity in the human motor cortex by paired associative stimulation. Brain. 2000 Mar;123 Pt 3:572-84. doi: 10.1093/brain/123.3.572.
Hummel FC, Cohen LG. Non-invasive brain stimulation: a new strategy to improve neurorehabilitation after stroke? Lancet Neurol. 2006 Aug;5(8):708-12. doi: 10.1016/S1474-4422(06)70525-7.
Bolognini N, Russo C, Edwards DJ. The sensory side of post-stroke motor rehabilitation. Restor Neurol Neurosci. 2016 Apr 11;34(4):571-86. doi: 10.3233/RNN-150606.
Rossi S, Antal A, Bestmann S, Bikson M, Brewer C, Brockmoller J, Carpenter LL, Cincotta M, Chen R, Daskalakis JD, Di Lazzaro V, Fox MD, George MS, Gilbert D, Kimiskidis VK, Koch G, Ilmoniemi RJ, Lefaucheur JP, Leocani L, Lisanby SH, Miniussi C, Padberg F, Pascual-Leone A, Paulus W, Peterchev AV, Quartarone A, Rotenberg A, Rothwell J, Rossini PM, Santarnecchi E, Shafi MM, Siebner HR, Ugawa Y, Wassermann EM, Zangen A, Ziemann U, Hallett M; basis of this article began with a Consensus Statement from the IFCN Workshop on "Present, Future of TMS: Safety, Ethical Guidelines", Siena, October 17-20, 2018, updating through April 2020. Safety and recommendations for TMS use in healthy subjects and patient populations, with updates on training, ethical and regulatory issues: Expert Guidelines. Clin Neurophysiol. 2021 Jan;132(1):269-306. doi: 10.1016/j.clinph.2020.10.003. Epub 2020 Oct 24.
Other Identifiers
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25C212
Identifier Type: -
Identifier Source: org_study_id
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