Comparing dynamic and static modes of the NETTI wheelchair for patients with involuntary movements

Performance Evaluation of the NETTI Wheelchair in Dynamic Mode for Subjects with Involuntary Movements with an Impact on Sitting Position Compared with Its Static Mode. Single-case Experimental Design.

Centre Hospitalier Universitaire de Nīmes · NCT06351189

This study is testing whether a new wheelchair that can switch between moving and staying still helps people with involuntary movements feel more comfortable and better positioned.

Quick facts

Study typeObservational
Enrollment5 (estimated)
Ages16 Years and up
SexAll
SponsorCentre Hospitalier Universitaire de Nīmes (other)
Locations1 site (Nîmes)
Trial IDNCT06351189 on ClinicalTrials.gov

What this trial studies

This observational study evaluates the comfort and effectiveness of two modes of the NETTI wheelchair—dynamic and static—in patients with hyperkinetic syndromes characterized by involuntary movements. Utilizing a single-case experimental design, each participant serves as their own control, alternating between the two modes to determine which provides a better sitting position and reduces discomfort. The study aims to address the challenges faced by patients who require frequent repositioning due to their condition, ultimately improving their quality of life.

Who should consider this trial

Good fit: Ideal candidates are patients over 16 years old who experience involuntary extension movements requiring wheelchair repositioning at least every two hours.

Not a fit: Patients who cannot sit in a wheelchair for at least three hours a day or those who require a thermoformed corset will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved wheelchair design that enhances comfort and functionality for patients with involuntary movements.

How similar studies have performed: While the approach of using dynamic wheelchairs is innovative, similar studies have not been extensively documented, making this a relatively novel investigation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patient with involuntary extension movements with a frequency greater than (\>) 3/hour and requiring at least one wheelchair repositioning every 2 hours.
* Patient using a wheelchair and requiring to be in a seated position at least 4 hours per day.
* Patient and/or representative with free and informed consent.
* Patient and/or representative having signed the consent form.
* Patient affiliated or beneficiary of a health insurance plan.
* Patient over 16 years of age (≥16 years).

Exclusion Criteria:

* Patient unable to sit in chair for at least 3 hours a day.
* Patient unable to sit in the chair without the use of a thermoformed corset.
* Patients weighing over 135kg.
* Patient participating in a drug study.
* Patient in an exclusion period determined by another study.
* Patient/legal representative for whom it is impossible to provide informed information.
* Pregnant or breast-feeding patient

Where this trial is running

Nîmes

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Hyperextension Spasms, Involuntary Movements, Wheelchair, Single-case experimental design, Hyperextension spasms, Positioning

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.