Last updated on August 2019

Investigation of Cannabidiol for Reduction of NeuroInflammation in Chronic Back Pain


Brief description of study

In this research, the study team will use brain imaging to evaluate the presence of neuroinflammation in the brains and spinal cords of patients with low back pain, and whether CBD effects levels of neuroinflammation. The efficacy of CBD use for low back pain treatment will also be evaluated by observing whether CBD administration will reduce neuroinflammation and low back pain symptoms.

Detailed Study Description

The goal of this research study is to test whether "glial cells" (the immune cells of the brain and spinal cord) that are active in patients with low back pain can be reduced with CBD. Previous studies have showed that patients with chronic low back pain demonstrated elevations in brain levels of the 18kDa translocator protein (TSPO), a marker of glial activation.

To test this hypothesis, the study team will image the brains and spinal cords of patients suffering from low back pain using integrated magnetic resonance- positron emission tomography (MR-PET), and a radiotracer called [11C]PBR28, which tracks levels of glial activation.

The efficacy of CBD as a treatment for chronic low back pain will be evaluated. The study team will observe whether 4 weeks of CBD treatment may reduce glial activation along with self-reported low back pain symptoms. To this end, patients will be evaluated clinically and/or re-scanned after completing the 4-week trial of minocycline.

This study will be enrolling individuals who have been suffering from chronic low back pain.

Clinical Study Identifier: NCT03891264

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