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Cognitive-Based Balance Rehabilitation in Parkinson's Disease: Virtual Reality vs. Dual Task

16 giugno 2026 aggiornato da: Bezmialem Vakif University

Effects of Cognitive-Based Balance Rehabilitation on Balance, Gait and Cognitive Functions in Parkinson's Disease Patients: Comparison of Virtual Reality and Dual Task

This prospective, randomized, single-blind, controlled clinical trial aims to evaluate and compare the efficacy of cognitive-based balance rehabilitation delivered via immersive Virtual Reality (VR) versus traditional Dual-Task Training (DTT) on balance, gait, cognitive functions, and quality of life in patients with Parkinson's Disease (PD). Postural instability and cognitive decline are hallmark features of progressive PD that significantly elevate fall risks and compromise daily independence, yet conventional pharmacological therapies offer limited effectiveness in restoring complex postural control. Given that motor and cognitive processes are intrinsically linked, this study addresses a critical gap in neurorehabilitation by investigating two contemporary modalities designed to challenge these systems simultaneously. A total of 34 participants diagnosed with PD (aged 40-80 years, Hoehn and Yahr stages I-III) will be randomly allocated to either the Dual-Task Group (DTG), receiving structured therapeutic exercises integrated with sequential cognitive tasks, or the Virtual Reality Group (VRG), engaging in an immersive balance program utilizing the Oculus Quest 2® headset with the FIT-XR application. Both groups will undergo an identical intervention protocol consisting of 45-minute supervised sessions, conducted twice weekly for 8 consecutive weeks during their pharmacological "on" phase. Standardized assessments will be performed by a blinded clinician at baseline and post-intervention (Week 8). The primary outcome measures will be dynamic balance and gait assessed through the Mini-Balance Evaluations Systems Test (Mini-BESTest) alongside global cognitive performance measured via the Montreal Cognitive Assessment (MoCA). Secondary outcomes will encompass objective posturographic indices using the Biodex Balance System, motor severity via the Unified Parkinson's Disease Rating Scale (UPDRS-III), freezing of gait, health-related quality of life, global perceived improvement, and potential cyber-sickness symptoms monitored through the Virtual Reality Sickness Questionnaire (VRSQ) to comprehensively determine the safety and comparative therapeutic value of these interventions.

Panoramica dello studio

Stato

Non ancora reclutamento

Condizioni

Intervento / Trattamento

Tipo di studio

Interventistico

Iscrizione (Stimato)

34

Fase

  • Non applicabile

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Adulto
  • Adulto più anziano

Accetta volontari sani

No

Descrizione

Inclusion Criteria:

  • Diagnosed with Parkinson's Disease by a neurologist.
  • Hoehn & Yahr Stage I-III.
  • Aged between 40-80 years.
  • Literate and capable of performing basic mathematical calculations.
  • Montreal Cognitive Assessment≥21
  • Stable pharmacological treatment.
  • Physician's approval for exercise participation.

Exclusion Criteria:

  • Currently participating in another exercise or drug trial.
  • Presence of any additional neurological disorders.
  • Significant musculoskeletal disorders, arthritis, or cardiovascular disease.
  • Uncontrolled epilepsy or severe orthostatic hypotension.
  • Engaged in regular moderate-intensity exercise more than once a week in the last 6 months.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Separare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Comparatore attivo: Dual Task Group
Participants in this group will undergo a supervised, structured therapeutic exercise program specifically designed for balance and postural control, which will be integrated with concurrent, increasingly complex cognitive tasks (such as counting backward, calculation, or memory retrieval). The intervention will consist of 45-minute sessions held twice a week for 8 consecutive weeks, totaling 16 sessions. All exercises will be conducted by a physiotherapist during the patients' pharmacological 'on' phase.
Altro: Dual Task Training (DTT)
A supervised physical therapy program consisting of motor balance and postural control exercises executed simultaneously with secondary cognitive tasks. The physical component includes progressive static and dynamic balance training, functional gait training, and coordination exercises. The concurrent cognitive tasks involve backward counting, mental arithmetic, and working memory retrieval. The intervention is delivered in 45-minute sessions, twice a week for 8 weeks (16 sessions total) by a certified physiotherapist.
Sperimentale: Virtual Reality Group
Participants in this group will engage in an immersive Virtual Reality (VR) balance rehabilitation program utilizing the Oculus Quest 3® headset. They will play the clinically validated FIT-XR application, which is tailored to target upper and lower extremity coordinate functions and dynamic balance. The exercise intensity, session duration (45 minutes), and frequency (twice a week for 8 weeks, totaling 16 sessions) will be identical to the Dual Task Group. Sessions will be supervised by a physiotherapist during the patients' pharmacological 'on' phase, with full safety protocols implemented to prevent fall risks.
Altro: Virtual Reality Training (VRT)
An immersive virtual reality rehabilitation program utilizing the Oculus Quest 3® VR headset. Participants engage in motion-based exercises within the clinically validated FIT-XR software application, specifically targeting multi-directional reaching, stepping, upper and lower limb coordination, and dynamic weight shifting. The exercise intensity, session duration (45 minutes), and frequency (twice weekly for 8 weeks, 16 sessions total) are tightly matched to the Dual Task Group. All sessions are fully supervised by a physiotherapist with standard safety measures.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Mini-Balance Evaluations Systems Test
Lasso di tempo: Baseline and Week 8
A 14-item clinical rating scale specifically focused on dynamic gait and postural control across four domains: anticipatory postural adjustments, reactive postural responses, sensory orientation, and dynamic gait. Each item is scored on a scale from 0 (unable to perform) to 2 (normal performance). The total score ranges from 0 to 28, where higher scores indicate better dynamic balance and superior postural performance.
Baseline and Week 8

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Montreal Cognitive Assessment
Lasso di tempo: Baseline and Week 8
A 30-point screening instrument designed to detect mild cognitive impairment and dementia by evaluating short-term memory, visuospatial abilities, executive function, language, attention, concentration, working memory, and orientation. The total score ranges from 0 to 30, with higher scores indicating better global cognitive function.
Baseline and Week 8
Biodex Balance System
Lasso di tempo: Baseline and Week 8
Postural stability (anterior-posterior stability index, mediolateral stability index, general stability index), fall risk index, and limits of stability will be assessed using the Biodex Balance System. Higher scores on stability indices indicate poorer postural stability, while higher scores on limits of stability indicate better postural control.
Baseline and Week 8
Unified Parkinson's Disease Rating Scale - Part III (Motor Examination)
Lasso di tempo: Baseline and Week 8
A comprehensive clinical rating scale used to evaluate the severity of motor symptoms in Parkinson's disease. Part III involves the objective motor examination. Each item is scored from 0 (unaffected) to 4 (most severely affected), yielding a total score ranging from 0 to 108. Higher scores indicate greater disease severity and more pronounced motor impairment.
Baseline and Week 8
Parkinson's Disease Questionnaire-39
Lasso di tempo: Baseline and Week 8
A 39-item self-administered, disease-specific health status instrument evaluating quality of life across 8 dimensions. Each item is scored on a scale from 0 (never) to 4 (always). Individual dimension scores and the global index are standardized to range from 0 to 100. Higher scores indicate worse quality of life (more frequent difficulties), while lower scores reflect better health status.
Baseline and Week 8
Freezing of Gait Questionnaire
Lasso di tempo: Baseline and Week 8
A 6-item self-report questionnaire designed to evaluate the severity of freezing of gait and its impact on walking performance. It includes 4 items on freezing severity and 2 items on general walking difficulty, with each item scored from 0 to 4. The total score ranges from 0 to 24, where higher scores indicate more severe freezing of gait and a greater negative impact on gait performance.
Baseline and Week 8
Global Rating of Change Scale
Lasso di tempo: Post-intervention (Week 8)
A 5-point Likert scale used to measure participants' subjective perception of overall health change and treatment satisfaction over the course of the study. Total scores range from -2 to +2, where -2 represents "much worse", 0 represents "the same", and +2 represents "much better". Higher scores indicate greater perceived improvement and higher treatment satisfaction.
Post-intervention (Week 8)
Virtual Reality Sickness Questionnaire
Lasso di tempo: Post-intervention (Week 8)
A 9-item self-report questionnaire assessing general oculomotor discomfort and disorientation following the virtual reality intervention. Items are scored using a 4-point Likert scale from 0 (none) to 3 (severe). The total score ranges from 0 to 27, where higher scores indicate worse and more severe cyber-sickness symptoms. This measure is evaluated only for the Virtual Reality Group.
Post-intervention (Week 8)

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Bezmialem Vakif University

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Stimato)

20 giugno 2026

Completamento primario (Stimato)

30 giugno 2027

Completamento dello studio (Stimato)

30 dicembre 2027

Date di iscrizione allo studio

Primo inviato

16 giugno 2026

Primo inviato che soddisfa i criteri di controllo qualità

16 giugno 2026

Primo Inserito (Effettivo)

22 giugno 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

22 giugno 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

16 giugno 2026

Ultimo verificato

1 giugno 2026

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • E-35700536-108.99-176309

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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