The study is a 48-week clinical study to compare study medication NTX-001 used intraoperatively to promote nerve regeneration compared to the standard of care on surgery for acute nerve damage in the hand on subjects between the ages of 18 to 80 years old. Subjects who present with sever nerve damage of the hand and need surgery to repair the nerve damage within 48 hours of injury. After surgery, subjects will complete 12 total study visits: 6 in person and 6 additional telehealth visits. During the in-person clinic visits, subjects will be assessed by physical examinations, vital signs, safety laboratory assessment and complete questionnaires. Subjects with motor/mixed motor injury will also complete an EMG and NCV assessments with an Occupational Therapist at 2 of the in-person visits. During the telehealth visits, subjects will complete questionnaires.