Evaluation of the Phantom X Implantable EMG Sensor System for Myoelectric Prosthesis Control

Recruiting now · Not applicable

Conditions studied: Upper Limb Amputation Below Elbow (Injury), Wrist Disarticulation, Transradial Amputation

In brief

The CYBORG Study is a first-in-human clinical investigation evaluating the safety and performance of the Phantom X System, an implantable electromyography (EMG) sensor array designed to provide control of upper-limb prostheses. The study will assess surgical feasibility, device function, signal quality, and the system's ability to support intuitive prosthetic control during functional tasks. Participants will undergo implantation of the Phantom X sensors and complete a series of in-clinic visits to assess functional performance of the Phantom X system. Patient-reported outcomes will also be collected at various timepoints.

Key facts

Study ID

NCT07325708

Run by

Phantom Neuro Inc.

People needed

10

Starts

2026-04-17

Expected to finish

2027-06-01

Last updated by the study team

2026-06-24

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patient has a unilateral upper-limb difference (congenital or acquired) at the transradial or wrist level.
• The patient currently uses a myoelectric prosthesis or is deemed a suitable candidate for fitting with a myoelectric prosthesis.
• Patient is a suitable candidate for the implantation of the Phantom X sensor array as assessed by the implanting physician.
• Patient is at least 18 years old and can provide written informed consent.
• Patient is willing to comply with study protocol and make required study visits.
• Patient received amputation ≥ 12 months prior to consent.

You may not qualify if…

• Patient has a significant cognitive deficit resulting in inability to follow study directions.
• Patient has a neuro-muscular deficit and is unable to initiate substantial muscle contraction in the residual limb as determined by the implanting physician or investigator.
• Patient has another medical condition, which, in the opinion of the Investigator, may cause him/her to be non-compliant with the protocol, confound the data interpretation, or is associated with a life expectancy insufficient to allow for the completion of study procedures and follow-up.
• The patient has a planned medical procedure (e.g., surgery) during the study period that could interfere with compliance with study visits or assessments.
• Patient has an allergy to anesthesia or other medication used for sedation in the study.
• Patient has an active implantable device (e.g. cardiac pacemaker, neuromodulation device) that can potentially interfere with the performance of Phantom X system.
• Patient may require an MRI during the study duration.
• Implantation of the device poses a health risk to the patient as determined by the implanting physician.
• Women who are breastfeeding, currently pregnant or planning to become pregnant during the duration of the study or have a positive urine pregnancy test at screening.

Where it is running

• Cabrini Health Ltd — Malvern, Victoria, Australia (enrolling)
• ProMotion Prosthetics Pty Ltd — Moorabbin, Victoria, Australia (enrolling)

Full record on ClinicalTrials.gov

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