About this trial
INdependence Through Endovascular Neuroprosthetic Technology (INTENT): an Early Feasibility Study
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Able to provide informed consent to participate in the study.
Diagnosis of ALS, with bilateral upper-limb paresis.
ALS must be refractory to treatment and have been present for a minimum of six months.
Aged 22 years or older.
Disqualifiers
Active infection or unexplained fever in the 48 hours prior to informed consent.
Major psychiatric disorder that may adversely impact the participant's safety or study compliance, including severe depression, psychotic features, personality disorder, severe emotional lability, or substance abuse.
Diagnosis of ALS-FTD or another dementia.
Active implanted device (e.g., deep brain stimulator, cardiac defibrillator, pacemaker, vagal nerve stimulator, spinal cord stimulator, diaphragmatic pacer, etc.).
Trial design
Single group
Treatments tested in this trial
Stentrode
DeviceThe Stentrode is an endovascular electrode array that senses electrical signals from the sensorimotor cortices.
Treatment groups
Trial outcomes
Primary outcomes
Device-related serious adverse events up to 180 days after implant
Secondary outcomes
Device-related serious adverse events up to 1 year after implant
Target vessel patency assessed using CT venography at 180 days and 364 days after implant
Device migration assessed using CT images at 180 days and 365 days after implant
Other outcomes
Time in days from implant to device activation
Time in days from device activation to successful demonstration of motor signal transmission.
Stability of recorded Synchron BCI signal up to 3 years after device implant
Synchron BCI use up to 1 year after device implant
Sponsors and contacts
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