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Clinical Trial Summary

This study is designed to answer the question of whether injection of the greater occipital nerve at its proximal origin, near the C2 vertebrae, using ultrasound guidance is effective in improving pain in human subjects.

HYPOTHESES

1. Ultrasound (US) guided greater occipital nerve (GON) injections are effective at a novel, proximal C2 location in live, human subjects, measured by improvement in visual analog scale (VAS) pain scores pre-injection compared to VAS scores 30 minutes post-injection, 2-weeks post-injection, and 1-month post-injection .

2. Ultrasound (US) guided injection of the greater occipital nerve (GON) at a novel, C2 location is effective at improvement of both occipital neuralgia and cervicogenic headache demonstrated by improvement in visual analog scale (VAS) pain scores pre-injection compared to VAS scores 30 minutes post-injection, 2-weeks post-injection, and 1-month post-injection. We further hypothesize that the mean improvement in VAS scores at 1-month post injection will be greater than 2 units.

3. Ultrasound (US) guided injection of the greater occipital nerve (GON) at novel, proximal C2 location in live, human subjects appears safe.


Clinical Trial Description

Patients must be referred to Pain Clinic for occipital nerve injection.

Patients are responsible for all clinical costs associated with the injection.

There is no remuneration offered for participation in this study. ;


Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01988363
Study type Interventional
Source Mayo Clinic
Contact
Status Completed
Phase Phase 1
Start date June 2013
Completion date February 2015

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