Intraneural Facilitation as a Treatment for Carpal Tunnel Syndrome

Apr 5, 2019


This study hypothesizes that a standard course of intraneural facilitation (INF) may improve symptoms of carpal tunnel syndrome by clinical, electrodiagnostic, or ultrasound measures.


Study Information

This is an interventional, randomized, double blind, parallel assignment of an estimated 68 participants. It consists of two arms: an experimental arm (arm to be tested) of intraneural facilitation therapy and a sham comparator arm (placebo comparison) of sham therapy.


Inclusion Criteria

Eligibility includes patients between the ages of 19 and 74 who have been referred to the LLUH Neurology Electrodiagnostic Laboratory with electrodiagnostic and clinical evidence of carpal tunnel syndrome (uni- or bilateral).

Exclusion Criteria

  • Ineligible individuals include those with prior carpal tunnel release more than 2 years ago
  • Having the presence of any condition that would prevent NCS from accurately diagnosing CTS (e.g., hereditary polyneuropathy or acquired demyelinating polyneuropathy)
  • Workman’s Compensation cases
  • Pregnant women
  • Individuals undergoing conservative or surgical/injection therapy (physical or occupational therapy, injections)
  • Possess clinically silent CTS in face of positive electrodiagnostic results
  • Exhibit sufficiently severe clinical symptoms that warrant more aggressive therapy (i.e., carpal injections or release) or any confounding medical condition that the investigator deems may adversely affect subject participation or outcomes


The trial will be held at Loma Linda University Health in Loma Linda, California.



This study is sponsored by Loma Linda University Health by the Principal Investigator Bryan Tsao, MD.

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