Altius Peripheral Nerve Stimulation in Amputees After TMR/RPNI

This is a single-center, prospective, within-subject study. This study seeks to enroll a total of 32 prospective subjects who will undergo surgical implantation of the FDA-approved Altius® system. Subjects will be followed longitudinally and will complete a series of patient-reported outcome measure questionnaires, a study intake questionnaire which assesses demographics, amputation and prosthesis history, and medical/medication history.

NCT Number	NCT07571239
Lead Sponsor	NYU Langone Health
Conditions	Amputation; Lower Extremity, Pain, Persistent Postsurgical
Enrollment	32 participants
Start Date	2026-07-01
Primary Completion	2028-07-01 (estimated)
Study Completion	2028-07-01 (estimated)
Updated on ClinicalTrials.gov	2026-05-06