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

11 czerwca 2026 zaktualizowane przez: 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.

Przegląd badań

Typ studiów

Obserwacyjny

Zapisy (Szacowany)

75

Kontakty i lokalizacje

Ta sekcja zawiera dane kontaktowe osób prowadzących badanie oraz informacje o tym, gdzie badanie jest przeprowadzane.

Kontakt w sprawie studiów

Lokalizacje studiów

    • Selcuklu
      • Konya, Selcuklu, Turcja (Türkiye), 42130
        • Rekrutacyjny
        • Selcuk University, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation
        • Kontakt:

Kryteria uczestnictwa

Badacze szukają osób, które pasują do określonego opisu, zwanego kryteriami kwalifikacyjnymi. Niektóre przykłady tych kryteriów to ogólny stan zdrowia danej osoby lub wcześniejsze leczenie.

Kryteria kwalifikacji

Wiek uprawniający do nauki

  • Dorosły
  • Starszy dorosły

Akceptuje zdrowych ochotników

Nie

Metoda próbkowania

Próbka bez prawdopodobieństwa

Badana populacja

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.

Opis

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.

Plan studiów

Ta sekcja zawiera szczegółowe informacje na temat planu badania, w tym sposób zaprojektowania badania i jego pomiary.

Jak projektuje się badanie?

Szczegóły projektu

Kohorty i interwencje

Grupa / Kohorta
Interwencja / Leczenie
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.
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.

Co mierzy badanie?

Podstawowe miary wyniku

Miara wyniku
Opis środka
Ramy czasowe
6-Minute Walk Test - Mixed Reality (6MW-MR)
Ramy czasowe: 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)
Ramy czasowe: 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)
Ramy czasowe: 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

Miary wyników drugorzędnych

Miara wyniku
Opis środka
Ramy czasowe
Participant Satisfaction
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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

Współpracownicy i badacze

Tutaj znajdziesz osoby i organizacje zaangażowane w to badanie.

Śledczy

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

Publikacje i pomocne linki

Osoba odpowiedzialna za wprowadzenie informacji o badaniu dobrowolnie udostępnia te publikacje. Mogą one dotyczyć wszystkiego, co jest związane z badaniem.

Publikacje ogólne

Daty zapisu na studia

Daty te śledzą postęp w przesyłaniu rekordów badań i podsumowań wyników do ClinicalTrials.gov. Zapisy badań i zgłoszone wyniki są przeglądane przez National Library of Medicine (NLM), aby upewnić się, że spełniają określone standardy kontroli jakości, zanim zostaną opublikowane na publicznej stronie internetowej.

Główne daty studiów

Rozpoczęcie studiów (Rzeczywisty)

10 czerwca 2026

Zakończenie podstawowe (Szacowany)

30 grudnia 2026

Ukończenie studiów (Szacowany)

10 maja 2027

Daty rejestracji na studia

Pierwszy przesłany

11 czerwca 2026

Pierwszy przesłany, który spełnia kryteria kontroli jakości

11 czerwca 2026

Pierwszy wysłany (Rzeczywisty)

16 czerwca 2026

Aktualizacje rekordów badań

Ostatnia wysłana aktualizacja (Rzeczywisty)

16 czerwca 2026

Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości

11 czerwca 2026

Ostatnia weryfikacja

1 czerwca 2026

Więcej informacji

Terminy związane z tym badaniem

Plan dla danych uczestnika indywidualnego (IPD)

Planujesz udostępniać dane poszczególnych uczestników (IPD)?

NIE

Informacje o lekach i urządzeniach, dokumenty badawcze

Bada produkt leczniczy regulowany przez amerykańską FDA

Nie

Bada produkt urządzenia regulowany przez amerykańską FDA

Nie

Te informacje zostały pobrane bezpośrednio ze strony internetowej clinicaltrials.gov bez żadnych zmian. Jeśli chcesz zmienić, usunąć lub zaktualizować dane swojego badania, skontaktuj się z register@clinicaltrials.gov. Gdy tylko zmiana zostanie wprowadzona na stronie clinicaltrials.gov, zostanie ona automatycznie zaktualizowana również na naszej stronie internetowej .

Badania kliniczne na Cukrzyca typu 2 (T2DM)

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