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The METRIC Study Protocol
Sponsor: Université du Québec à Trois-Rivières
Summary
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.
Official title: The METRIC Study Protocol: an Explanatory Randomized Controlled Trial Investigating the Neurophysiological Mechanisms Underlying the Therapeutic Effects of Spinal Manipulative Therapy for Chronic Primary Low Back Pain
Key Details
Gender
All
Age Range
18 Years - 60 Years
Study Type
INTERVENTIONAL
Enrollment
112
Start Date
2023-10-25
Completion Date
2026-12-31
Last Updated
2023-12-04
Healthy Volunteers
Yes
Conditions
Interventions
lumbar spinal manipulative therapy
Spinal manipulative therapy involves the application of spinal manipulation over several sessions. Spinal manipulation is defined as a high-velocity, low-amplitude thrust performed by a clinician to move a segment of the spine in a specific direction. This type of intervention often generates cavitation sounds (audible pops).
sham spinal manipulative therapy
Sham spinal manipulative therapy (sham SMT), was designed to be structurally equivalent to SMT, i.e., to attend to the same body regions with the same amount of contact as well as to have the same number, frequency and length of sessions. SMT and sham SMT will be provided by the same treatment provider and will appear to be similarly tailored to the participants' condition. Sham SMT does not share the component of interest of SMT, i.e., the activation of deep high-threshold mechanoreceptors via high-velocity, low-amplitude thrusts applied to the spine. Yet, it shares all the other components not of interest in this study that may contribute to the placebo response, such as therapeutic alliance, contextual factors, physical touch, and expectations. Furthermore, deception will be used to balance expectations and enhance blinding.
full spine spinal manipulative therapy
Spinal manipulative therapy involves the application of spinal manipulation over several sessions. Spinal manipulation is defined as a high-velocity, low-amplitude thrust performed by a clinician to move a segment of the spine in a specific direction. This type of intervention often generates cavitation sounds (audible pops).
Locations (1)
Université du Québec à Trois-Rivières
Trois-Rivières, Quebec, Canada