Effect of thermal therapy and exercises on acute low back pain: a protocol for a randomized controlled trial

Claudia Côté-Picard, Jean Tittley, Catherine Mailloux, Kadija Perreault, Catherine Mercier, Clermont E Dionne, Jean-Sébastien Roy, Hugo Massé-Alarie, Claudia Côté-Picard, Jean Tittley, Catherine Mailloux, Kadija Perreault, Catherine Mercier, Clermont E Dionne, Jean-Sébastien Roy, Hugo Massé-Alarie

Abstract

Background: Low back pain (LBP) is the first cause of years lived with disability worldwide. This is due to the development of chronic pain. Thus, it is necessary to identify the best therapeutic approaches in the acute phase of LBP to limit the transition to chronic pain. Superficial heat presents the highest level of evidence for short-term reduction in pain and disability in acute LBP. Physical activity is also recommended to avoid transition to chronic LBP, but there is a lack of evidence to determine its effect to reduce acute LBP. Also, the long-term effects of these interventions are unknown. This is a protocol for a randomized controlled trial (RCT) to determine the short and long-term effects of wearable continuous low-level thermal therapy, in combination with exercises or not, on disability and pain.

Methods/design: Sixty-nine participants with acute LBP will be randomly assigned to one of three intervention programs: 1) thermal therapy, 2) thermal therapy + exercises, and 3) control. The interventions will be applied for 7 continuous days. The primary outcome will be disability and secondary outcomes will be pain intensity, pain-related fear, self-efficacy, number of steps walked and perception of change. The evaluators will be blinded to the interventions, and participants will be blinded to other groups' interventions. Primary and secondary outcomes will be compared between intervention groups.

Discussion: This study will provide new evidence about acute LBP treatments, to limit transition to chronicity. This will be the first study to measure the long-term effects of wearable continuous low-level thermal therapy, combined or not to exercises.

Trial registration: This RCT has been retrospectively registered on ClinicalTrials.gov ( NCT03986047 ) on June 14th, 2019.

Keywords: Acute low back pain; Exercises; Randomized controlled trials; Thermal therapy.

Conflict of interest statement

HMA received a grant from Pfizer inc. for a project not related to this protocol. None of the other authors have potential competing interest to be disclosed.

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