Reliability and Validity of Sensor-derived Measurements in Individuals With Parkinson's Disease: Preliminary Results From the INERTIAL Study (INERTIAL)
Parkinson's disease (PD) is a neurodegenerative disorder that affects a significant portion of the elderly population. Gait disturbance is a core symptom of the disease and can impact stride length and height, gait speed, trunk sway, and the pendular movement of the arms. This impairment is often accompanied by postural alterations, balance difficulties, and an increased risk of falls. Additionally, freezing and festination phenomena may also occur.
Inertial Movement Units are inertial sensors that are used for monitoring clinical and identification of movement biomarkers in patients with neurodegenerative diseases. In particular, among existing devices based on IMUs, prototype versions of SensMode have shown promising results in identifying objective indices to support diagnosis and monitoring in patients with PD. Recent work shows that the aforementioned wearable sensors during some tasks of the MDS-UPDRS have excellent discriminative property between subjects healthy and those with PD.
The aim of the present research project is to investigate the potential of sensors in measuring limb movement in subjects with Parkinson's Disease.
Přehled studie
Postavení
Podmínky
Detailní popis
In detail, the primary objective of this project is to evaluate the reliability of measurements obtained from sensors used for measuring limb movement in subjects with PD. Specifically, the inter-rater and intra-rater reliability of measurements recorded with inertial sensor, during the execution of some items of Section III of the MDS-UPDRS. In addition, the study aims to assess the validity of the measurements obtained from the inertial sensor set by comparing them with clinical data in a sample of patients with PD.
Specifically, the objectives of the study are as follows:
- The verification of the reliability of sensor-derived measurements; in particular, the inter-rater and intra-rater reliability of measurements recorded with inertial sensor, while performing of some items of Section III of the MDS-UPDRS.
- The verification of the validity (criterion validity) of the experimental device-derived measurements during the execution of the items of Section III of the MDS-UPDRS involving limbs.
The data to be collected will include: demographic variables, clinical variables (Montreal Cognitive Assessment - MoCA; Clinical Instability Scale - CIS; Hoehn and Yahr stage - H&Y; MDS-UPDRS Part III), instrumental variables (recorded by inertial sensors). Inclusion criteria for participant selection are: age over 18 years, diagnosis of PD according to the Postuma criteria, Hoehn and Yahr stages I-IV, and signed informed consent. Exclusion criteria include: presence of severe comorbidities, significant cognitive impairment, or signs of clinical instability.
Typ studie
Zápis (Aktuální)
Kontakty a umístění
Studijní místa
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FI
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Florence, FI, Itálie, 50134
- Dipartimento di Medicina Sperimentale e Clinica
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
- Dospělý
- Starší dospělý
Přijímá zdravé dobrovolníky
Metoda odběru vzorků
Studijní populace
Popis
Inclusion Criteria:
- Age greater than or equal to 18 years
- Diagnosis of Parkinson's disease (PD) according to Postuma criteria
- Hoehn and Yahr stages I-IV
- Signed informed consent provided by the participant or, when necessary, by a legal guardian or court-appointed representative
Exclusion Criteria:
- Severe comorbid conditions that may alter the subject's motor function
- Cognitive impairment severe enough to prevent cooperation during the execution of the protocol
- Presence of clinical instability, defined as a score greater than zero on the Clinical Instability Scale (CIS)
Studijní plán
Jak je studie koncipována?
Detaily designu
Kohorty a intervence
Skupina / kohorta |
|---|
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Patients with Parkinson disease diagnosis
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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Participants assessed by BMR4Inertial wearable inertial sensor system
Časové okno: Baseline
|
The Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III (MDS-UPDRS Part III) motor examination is acquired using the BMR4Inertial wearable inertial sensor system. The following MDS-UPDRS Part III items are assessed through the experimental setup: finger tapping, hand movements, pronation-supination movements of the hands, toe tapping, leg agility, arising from chair, gait, postural tremor of the hands, kinetic tremor of the hands, rest tremor amplitude, and constancy of rest tremor. Raw inertial signals are acquired using wearable sensors and processed to obtain quantitative sensor-derived measures of motor performance. |
Baseline
|
|
MDS-Unified Parkinson's Disease Rating Scale (MDS-UPDRS)
Časové okno: At least 15 minutes after baseline
|
The Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III (MDS-UPDRS Part III) motor examination is acquired using the BMR4Inertial wearable inertial sensor system. The following MDS-UPDRS Part III items are assessed through the experimental setup: finger tapping, hand movements, pronation-supination movements of the hands, toe tapping, leg agility, arising from chair, gait, postural tremor of the hands, kinetic tremor of the hands, rest tremor amplitude, and constancy of rest tremor. Raw inertial signals are acquired using wearable sensors and processed to obtain quantitative sensor-derived measures of motor performance. |
At least 15 minutes after baseline
|
|
Participants assessed by BMR4Inertial wearable inertial sensor system
Časové okno: At least 30 minutes after baseline
|
The Movement Disorder Society-Unified Parkinson's Disease Rating Scale Part III (MDS-UPDRS Part III) motor examination is acquired using the BMR4Inertial wearable inertial sensor system. The following MDS-UPDRS Part III items are assessed through the experimental setup: finger tapping, hand movements, pronation-supination movements of the hands, toe tapping, leg agility, arising from chair, gait, postural tremor of the hands, kinetic tremor of the hands, rest tremor amplitude, and constancy of rest tremor. Raw inertial signals are acquired using wearable sensors and processed to obtain quantitative sensor-derived measures of motor performance. |
At least 30 minutes after baseline
|
Další výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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Demographic variables
Časové okno: Baseline
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Date of Parkinson's diagnosis, age, education level, sex, most affected side
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Baseline
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The Montreal Cognitive Assessment Test - MoCA
Časové okno: Baseline
|
The Montreal Cognitive Assessment (MoCA) is a screening tool that evaluates multiple cognitive domains, including attention, visuoconstructive abilities, memory, language, executive functions, numeracy, and orientation. It has been validated for the assessment of cognitive impairment in individuals with Parkinson's disease. Scores range from 0 to 30, with higher scores indicating better cognitive function. |
Baseline
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Scale of clinical instability - SIC
Časové okno: Baseline
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it is a rapid-response scale used to test the degree of clinical instability.
It has a score ranging from 0-5 where 0 indicates a condition requiring clinical monitoring of more than 60 days and 5 a multi-day monitoring
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Baseline
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Hoehn e Yahr scale
Časové okno: Baseline
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it is the most commonly used scale to describe the progression of Parkinson's disease.
The modified version of the scale consists of a seven-point scoring distributed over 5 stages of severity where 1 corresponds to a unilateral manifestation of the disease and 5 to wheelchair or bed confinement.
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Baseline
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Spolupracovníci a vyšetřovatelé
Sponzor
Spolupracovníci
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Aktuální)
Primární dokončení (Aktuální)
Dokončení studie (Aktuální)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Klíčová slova
Další relevantní podmínky MeSH
Další identifikační čísla studie
- INERTIAL
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