A Study to Compare Ultrasound Guided – Incisionless Thread Carpal Tunnel Release Versus Standard Mini-Open Carpal Tunnel Release for the Treatment of Carpal Tunnel Syndrome


About this study

The purpose of this study is to establish the safety and effectiveness of the ultra-minimally invasive thread carpal tunnel release technique versus the mini-open carpal tunnel release (standard of care).

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • A diagnosis of carpal tunnel syndrome (CTS) with symptoms including pain, paresthesia’s, and weakness of the hand in the median nerve distribution for minimum of 3 months.
  • Age 18-70 years old.
  • Persistence of symptoms after 6 weeks of conservative treatment such as splinting, activity modification, and/or injection therapy.
  • Electromyographic evidence of mild, moderate, moderately severe, or severe median nerve neuropathy at the wrist.
  • Ability to complete all follow up appointments.

Exclusion Criteria:

  • Previous CTS surgical release on affected side.
  • Diabetes mellitus.
  • Hypothyroidism.
  • Hand arthritis (rheumatologic or osteoarthritis).
  • Pregnancy.
  • Electromyographic evidence of any condition other than CTS affecting the hand.
  • Workman’s compensation.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status

Rochester, Minn.

Mayo Clinic principal investigator

Alexander Shin, M.D.

Closed for enrollment

More information


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