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Validity and Reliability of Mixed Reality-Based Functional Mobility Tests in Type 2 Diabetes

11 giugno 2026 aggiornato da: Mehmet Kaan ALTUNOK, Selcuk University

Validity and Reliability of the Mixed Reality Adaptation of the 6-Minute Walk, Timed Up and Go, and Five-Repetition Sit-to-Stand Tests in Individuals With Type 2 Diabetes Mellitus

Type 2 Diabetes Mellitus (T2DM) is a multifaceted metabolic disease associated not only with impaired glycemic control but also with reductions in muscle strength, balance, functional mobility, and walking performance. Individuals with T2DM may experience impairments in lower extremity function, postural control, and overall functional performance, which can negatively affect activities of daily living and quality of life. Therefore, the assessment of functional performance using reliable and valid methods is important for clinical monitoring and rehabilitation planning.

The 6-Minute Walk Test (6MWT), Timed Up and Go Test (TUG), and Five-Repetition Sit-to-Stand Test (5xSTS) are widely used clinical assessments for evaluating walking capacity, functional mobility, lower extremity function, and physical performance in individuals with T2DM. Previous studies have demonstrated that these tests provide reliable and clinically meaningful measurements in this population.

In recent years, virtual and mixed reality technologies have provided opportunities to conduct assessments in a more objective, standardized, and user-friendly manner. These technologies also offer important advantages, including real-time data collection, enhanced user interaction, and potential integration into future remote assessment applications. However, evidence regarding the measurement properties of mixed reality-based adaptations of commonly used functional performance tests in individuals with T2DM remains limited.

The aim of this study is to evaluate the validity and reliability of mixed reality-based adaptations of the 6-Minute Walk Test, Timed Up and Go Test, and Five-Repetition Sit-to-Stand Test developed using the Meta Quest 3 platform. In addition, convergent validity will be examined by investigating the relationships between outcomes obtained from the mixed reality-based assessments and measures of knee extensor muscle strength and handgrip strength.

The findings of this study are expected to contribute to the development of innovative, safe, standardized, and digital approaches for assessing functional performance in individuals with Type 2 Diabetes Mellitus. Furthermore, the results may provide a scientific foundation for future digital health applications and remote assessment strategies.

Panoramica dello studio

Stato

Reclutamento

Condizioni

Intervento / Trattamento

Tipo di studio

Osservativo

Iscrizione (Stimato)

75

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Luoghi di studio

  • Turchia (Türkiye)
    • Selcuklu
      • Konya, Selcuklu, Turchia (Türkiye), 42130
        • Reclutamento
        • Selcuk University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation
        • Contatto:

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

Metodo di campionamento

Campione non probabilistico

Popolazione di studio

Adults aged 18-65 years diagnosed with Type 2 Diabetes Mellitus who are able to ambulate independently, are clinically stable, and are eligible to participate in conventional and mixed reality-based functional performance assessments.

Descrizione

Inclusion Criteria:

  • Diagnosed with Type 2 Diabetes Mellitus by a physician,
  • Aged between 18 and 65 years,
  • Ability to ambulate independently without the use of an assistive device,
  • No participation in a structured exercise program within the previous 6 months,
  • Cognitive ability sufficient to understand and follow test instructions,
  • Visual, auditory, and vestibular functions sufficient to tolerate mixed reality applications,
  • Ability to read, understand, and follow instructions in Turkish,
  • Willingness to participate voluntarily in the study and provision of written informed consent.

Exclusion Criteria:

  • Presence of proliferative diabetic retinopathy or severe non-proliferative diabetic retinopathy,
  • Advanced peripheral neuropathy, active foot ulcer, Charcot foot, or significant sensory loss that may compromise safe test performance,
  • Presence of peripheral arterial disease,
  • Advanced renal failure, requirement for dialysis, or nephropathy that may compromise exercise safety,
  • Myocardial infarction within the previous 6 months,
  • Unstable ischemic heart disease or uncontrolled angina,
  • Resting blood pressure greater than 160/100 mmHg,
  • Presence of severe musculoskeletal, neurological, or vestibular disorders that may interfere with safe test performance,
  • High risk of balance loss or spatial disorientation in the mixed reality environment due to visual, auditory, or balance impairments,
  • Cognitive, behavioral, or compliance-related problems that may prevent completion of the study procedures.

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

Coorti e interventi

Gruppo / Coorte
Intervento / Trattamento
Individuals with Type 2 Diabetes Mellitus
Adults aged 18-65 years diagnosed with Type 2 Diabetes Mellitus who will undergo conventional and mixed reality-based assessments of functional performance, including the 6-Minute Walk Test, Timed Up and Go Test, and Five-Repetition Sit-to-Stand Test. Additional assessments of knee extensor muscle strength and handgrip strength will be performed to evaluate convergent validity.
Altro: Mixed Reality-Based Functional Performance Assessment
Participants will perform mixed reality-based adaptations of the 6-Minute Walk Test (6MW-MR), Timed Up and Go Test (TUG-MR), and Five-Repetition Sit-to-Stand Test (5xSTS-MR) developed for the Meta Quest 3 platform. The mixed reality environment digitally replicates the conventional test setups and provides standardized visual guidance while allowing participants to interact safely with the real environment. Test outcomes will be automatically recorded by the system and compared with conventional clinical assessments to evaluate validity. The mixed reality-based tests will be repeated one week later to assess test-retest reliability.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
6-Minute Walk Test - Mixed Reality (6MW-MR)
Lasso di tempo: Baseline and 1-week follow-up
Functional exercise capacity and walking endurance will be assessed using a mixed reality-based adaptation of the 6-Minute Walk Test. Walking distance will be recorded in meters, with greater distances indicating better performance. Validity will be evaluated by comparison with the conventional 6-Minute Walk Test, and reliability will be assessed using repeated measurements performed one week apart.
Baseline and 1-week follow-up
Timed Up and Go Test - Mixed Reality (TUG-MR)
Lasso di tempo: Baseline and 1-week follow-up
Functional mobility will be assessed using a mixed reality-based adaptation of the Timed Up and Go Test. Test completion time will be recorded in seconds, with shorter times indicating better functional mobility. Validity and reliability will be evaluated through comparison with the conventional Timed Up and Go Test and repeated measurements.
Baseline and 1-week follow-up
Five-Repetition Sit-to-Stand Test - Mixed Reality (5xSTS-MR)
Lasso di tempo: Baseline and 1-week follow-up
Lower extremity functional performance will be assessed using a mixed reality-based adaptation of the Five-Repetition Sit-to-Stand Test. Test duration will be recorded in seconds, with shorter times indicating better performance. Validity and reliability will be evaluated through comparison with the conventional Five-Repetition Sit-to-Stand Test and repeated measurements.
Baseline and 1-week follow-up

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Participant Satisfaction
Lasso di tempo: Baseline
Participant satisfaction with conventional and mixed reality-based assessments will be evaluated using a 10-point visual analog scale ranging from 1 to 10, with higher scores indicating greater satisfaction.
Baseline
6-Minute Walk Test - Conventional
Lasso di tempo: Baseline
Walking distance measured during the conventional 6-Minute Walk Test will be used as a reference measure for concurrent validity analyses. Greater distances indicate better functional exercise capacity.
Baseline
Timed Up and Go Test - Conventional
Lasso di tempo: Baseline
The conventional Timed Up and Go Test will be administered to assess functional mobility and will serve as a reference measure for validity analyses. Test completion time will be recorded in seconds, with shorter times indicating better functional mobility.
Baseline
Five-Repetition Sit-to-Stand Test - Conventional
Lasso di tempo: Baseline
The conventional Five-Repetition Sit-to-Stand Test will be used as a reference measure for validity analyses. Test completion time will be recorded in seconds, with shorter times indicating better lower extremity functional performance.
Baseline
Knee Extensor Muscle Strength
Lasso di tempo: Baseline
Knee extensor muscle strength will be measured using a handheld digital dynamometer. Maximum voluntary contraction values will be recorded, with higher values indicating greater muscle strength. Outcomes will be analyzed for convergent validity with mixed reality-based test results.
Baseline
Handgrip Strength
Lasso di tempo: Baseline
Handgrip strength will be assessed using a hand dynamometer. The highest value obtained from repeated trials will be recorded, with higher values indicating greater muscle strength. Outcomes will be analyzed for convergent validity with mixed reality-based test results.
Baseline

Collaboratori e investigatori

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

Sponsor

Selcuk University

Investigatori

  • Cattedra di studio: Gülşah ÖZSOY, Assist. Prof. Dr., Selcuk University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Konya, Türkiye
  • Cattedra di studio: Zehra KORKUT, Assist. Prof. Dr., Selcuk University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Konya, Türkiye
  • Cattedra di studio: İsmail ÖZSOY, Assoc. Prof. Dr., Selcuk University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Konya, Türkiye
  • Cattedra di studio: Mehmet A GÜLER, PhD, Selcuk University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Konya, Türkiye
  • Cattedra di studio: İhsan KODAK, Assist. Prof. Dr., Kırşehir Ahi Evran University, School of Physical Therapy and Rehabilitation, Kırşehir, Türkiye
  • Cattedra di studio: Yasemin GEDİKLİ ERTÜRK, PhD (c) in PT, Selcuk University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Konya, Türkiye
  • Cattedra di studio: Selma Ö ÇELİKDELEN, Assist. Prof. Dr., Konya City Hospital

Pubblicazioni e link utili

La persona responsabile dell'inserimento delle informazioni sullo studio fornisce volontariamente queste pubblicazioni. Questi possono riguardare qualsiasi cosa relativa allo studio.

Pubblicazioni generali

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 (Effettivo)

10 giugno 2026

Completamento primario (Stimato)

30 dicembre 2026

Completamento dello studio (Stimato)

10 maggio 2027

Date di iscrizione allo studio

Primo inviato

11 giugno 2026

Primo inviato che soddisfa i criteri di controllo qualità

11 giugno 2026

Primo Inserito (Effettivo)

16 giugno 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

16 giugno 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

11 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

  • SelcukU_PT_DM_MR_ADAPTATİON_1

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

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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