The METRIC Study Protocol

The goal of this clinical trial is to test the effects of spinal manipulative therapy in individuals with chronic primary low back pain and determine the neurophysiological mechanisms underlying pain relief. The main questions it aims to answer are: • Is pain relief produced by spinal manipulative therapy in patients with chronic primary low back pain caused by a reduction of C-fiber-related nociceptive processing? • Are these effects greater when spinal manipulative therapy is applied to the whole spine where it is clinically indicated compared with lumbar spine only? • Are these effects greater after 36 treatments over 3 months compared with 12 treatments over 1 month. Participants will receive spinal manipulative therapy (all clinically indicated spine segments or back only) or a control intervention. A group of healthy volunteers will be recruited to assess secondary outcome measures over the same time period, as reference data for comparisons. Researchers will compare the two groups receiving spinal manipulative therapy to the group receiving the control intervention to see if clinical pain relief and the reduction of temporal summation of second pain (produced experimentally) is significantly greater with spinal manipulative therapy.

This description comes directly from the study's public registry record.

Benjamin Provencher  ·  1-819-376-5011  ·  metric@uqtr.ca

Mathieu Piché  ·  1-819-376-5011  ·  metric@uqtr.ca

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