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Usability of the FTEXES Wearable Textile Platform for Functional Electrical Stimulation and EMG (FTEXES)

2 november 2026 uppdaterad av: Giuseppe Andreoni, Politecnico di Milano

Interventional Clinical Trial Evaluating the Usability of the FTEXES System (Functionalized TEXtiles for Electrical Stimulation), a Wearable Textile-Based Platform for Functional Electrical Stimulation and Surface Electromyography

FTEXES (Functionalized TEXtiles for Electrical Stimulation) is a wearable platform based on sensorized garments (Smart Pants and Smart T-shirt) with integrated textile electrodes for surface electromyography (EMG) recording and functional electrical stimulation (FES). This single-center, open-label, non-randomized study evaluates the usability of the system in a controlled laboratory setting. Fifteen participants (5 healthy adults, 5 patients with neuromotor disability, 5 healthcare professionals) take part in a single 45-60 minute session including donning, system setup, calibration, functional tasks (gait for the lower limb; reaching and grasping for the upper limb), doffing and skin inspection. Comfort, skin tolerability, stimulation-related discomfort, perceived usability, satisfaction and acceptability are assessed with standardized questionnaires. The quality of EMG signals recorded with textile electrodes is evaluated as a secondary objective. The study has no therapeutic purpose for individual participants.

Studieöversikt

Status

Har inte rekryterat ännu

Betingelser

Intervention / Behandling

Studietyp

Interventionell

Inskrivning (Beräknad)

15

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studiekontakt

Studieorter

    • Lecco
      • Bosisio Parini, Lecco, Italien, 23842
        • IRCCS Eugenio Medea - Associazione La Nostra Famiglia

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

12 år och äldre (Barn, Vuxen, Äldre vuxen)

Tar emot friska volontärer

Ja

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

  • Healthy adults: age 18 years or older; no neuromotor disability; written informed consent.
  • Patients: age 18 years or older, or 12-17 years with parental/guardian consent and minor's assent; neuromotor disability compatible with the use of the FTEXES system; indication for FES confirmed by a physiatrist. Previous FES experience is not required.
  • Healthcare professionals: professional qualification consistent with study activities (physiotherapist or physiatrist).

Exclusion Criteria:

  • Missing informed consent (for minors: missing parental/guardian consent and/or minor's assent).
  • Inability to understand study aims and procedures or to follow instructions.
  • Clinical, functional, cognitive, behavioral or skin conditions that make participation unsafe or inappropriate, in the investigator's judgment.
  • Skin lesions, abrasions, dermatitis, irritation, infection or other dermatological conditions in device contact areas.
  • Healthy adults: known neuromuscular disease, recent trauma, direct involvement in FTEXES development, or professional/academic dependency on the Principal Investigator.
  • Patients: absence of motor disability compatible with the FTEXES system, or no indication for / unsuitability to FES in the physiatrist's judgment.
  • Healthcare professionals: lack of professional qualification or of competence in the use/configuration of FES systems.
  • Any other condition that, in the investigator's judgment, may interfere with study conduct or endpoint assessment.

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Övrig
  • Tilldelning: Icke-randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: Healthy adults

Five adults aged 18 years or older without neuromotor disability use the FTEXES system in a single session.

Sensorized textile garments (Smart Pants for the lower limb, Smart T-shirt for the upper limb) with integrated textile electrodes, connected to a CE-marked FES stimulator (HASOMED RehaMove3) and a CE-marked surface EMG system (FreeEMG 1000). Single session of about 45-60 minutes: donning, setup, calibration, functional tasks (gait cycle or reaching/grasping), doffing and skin inspection.

Experimentell: Patients with neuromotor disability

Five patients aged 12 years or older with neuromotor disability compatible with FES, as assessed by a physiatrist, use the FTEXES system in a single session.

Sensorized textile garments (Smart Pants for the lower limb, Smart T-shirt for the upper limb) with integrated textile electrodes, connected to a CE-marked FES stimulator (HASOMED RehaMove3) and a CE-marked surface EMG system (FreeEMG 1000). Single session of about 45-60 minutes: donning, setup, calibration, functional tasks (gait cycle or reaching/grasping), doffing and skin inspection.

Övrig: Healthcare professionals

Five healthcare professionals (3 physiotherapists, 2 physiatrists) configure and operate the FTEXES system and evaluate its usability from the operator's perspective.

Sensorized textile garments (Smart Pants for the lower limb, Smart T-shirt for the upper limb) with integrated textile electrodes, connected to a CE-marked FES stimulator (HASOMED RehaMove3) and a CE-marked surface EMG system (FreeEMG 1000). Single session of about 45-60 minutes: donning, setup, calibration, functional tasks (gait cycle or reaching/grasping), doffing and skin inspection.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Perceived usability: System Usability Scale (SUS) score
Tidsram: During and at the end of the single experimental session (approximately 60 minutes)

SUS is a 10-item questionnaire scored from 0 to 100; higher scores indicate better perceived usability.

During and at the end of the single experimental session (approximately 60 minutes)
Wearable comfort: Comfort Rating Scale (CRS) score
Tidsram: During and at the end of the single experimental session (approximately 60 minutes)

Comfort of the textile garments and textile electrodes assessed with the Comfort Rating Scale (CRS); higher scores indicate greater discomfort.

During and at the end of the single experimental session (approximately 60 minutes)
Stimulation-related pain/discomfort (NRS/VAS 0-10)
Tidsram: During and at the end of the single experimental session (approximately 60 minutes)

Global and localized discomfort, perceived fatigue and pain associated with functional electrical stimulation, rated on a 0-10 numeric/visual analogue scale; 0 = none, 10 = worst imaginable.

During and at the end of the single experimental session (approximately 60 minutes)
Satisfaction with the assistive device: adapted QUEST 2.0
Tidsram: During and at the end of the single experimental session (approximately 60 minutes)

Satisfaction with the FTEXES system assessed with an adapted version of the Quebec User Evaluation of Satisfaction with Assistive Technology (QUEST 2.0); items scored 1-5, higher scores indicate greater satisfaction.

During and at the end of the single experimental session (approximately 60 minutes)
Acceptability and intention to use: Net Promoter Score (NPS) and intention-to-use questionnaire
Tidsram: During and at the end of the single experimental session (approximately 60 minutes)

Likelihood to recommend the system (NPS, 0-10 rating, summarized as -100 to +100) and intention to use the platform in the future, including at home.

During and at the end of the single experimental session (approximately 60 minutes)

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Coherence score (0.0-1.0) of EMG signal quality: amplitude and frequency spectrum
Tidsram: During and at the end of the single experimental session (approximately 60 minutes)

Coherence score (0.0 if signal amplitude <50% of amplitude with standard Ag/AgCl electrodes -1.0 = signal amplitude = 100% of amplitude with standard Ag/AgCl electrodes) of Amplitude and frequency spectrum (% coveragle of signal spectrum) of surface EMG signals recorded with the textile electrodes of the FTEXES garments.

During and at the end of the single experimental session (approximately 60 minutes)
FES artifact rejection in EMG signals
Tidsram: During and at the end of the single experimental session (approximately 60 minutes)

Effectiveness of rejection of functional electrical stimulation artifacts in surface EMG signals recorded during stimulation scored as number number of artifacts recorded as number of artifacts out of 10 test events.

During and at the end of the single experimental session (approximately 60 minutes)

Andra resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Skin tolerability: visual skin inspection
Tidsram: During and at the end of the single experimental session (approximately 60 minutes)

Presence of redness, pressure marks, abrasions or other skin reactions in device contact areas, assessed by visual inspection at the end of the session.

During and at the end of the single experimental session (approximately 60 minutes)
Number of participants with adverse events
Tidsram: During and at the end of the single experimental session (approximately 60 minutes)

Adverse events recorded during the session using the study adverse event form.

During and at the end of the single experimental session (approximately 60 minutes)
Donning and setup performance
Tidsram: During and at the end of the single experimental session (approximately 60 minutes)

Time to don/doff the garments and connect/configure the system, level of assistance required and number of non-critical procedural errors, assessed by observation.

During and at the end of the single experimental session (approximately 60 minutes)

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Samarbetspartners

Utredare

  • Huvudutredare: Leonardo Boccuni, PhD, IRCCS Eugenio Medea
  • Studiestol: Giuseppe Andreoni, Politecnico di Milano

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Beräknad)

26 oktober 2026

Primärt slutförande (Beräknad)

30 november 2026

Avslutad studie (Beräknad)

31 december 2026

Studieregistreringsdatum

Först inskickad

22 oktober 2026

Först inskickad som uppfyllde QC-kriterierna

2 november 2026

Första postat (Faktisk)

6 november 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

6 november 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

2 november 2026

Senast verifierad

1 oktober 2026

Mer information

Termer relaterade till denna studie

Andra studie-ID-nummer

  • 380-26
  • CUP B53C22006960001 (Annat bidrag/finansieringsnummer: Italian Ministry of University and Research - PNC Fit4MedRob (PNC0000007))
  • L2-648 (Annan identifierare: Comitato Etico Territoriale Lombardia 2)

Plan för individuella deltagardata (IPD)

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OBESLUTSAM

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Nej

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Nej

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