Association of timing of gabapentinoid use with motor recovery after spinal cord injury.

Neurology

From the School of Kinesiology (F.M.W., J.L.K.K.), International Collaboration on Repair Discoveries (ICORD) (F.M.W., J.J.C., J.L.K.K.), and Faculty of Pharmaceutical Sciences (J.J.C.), University of British Columbia, Canada; Department of Biosystems Science and Engineering (C.R.J.), ETH Zurich, Switzerland; Department of Neurosurgery (L.G.), Medical University Innsbruck; Institute of Molecular Regenerative Medicine (L.G.), Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University, Austria; Spinal Cord Injury Center (L.G., O.M., D.D.M., B.M.), Trauma Center Murnau; Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology) (J.M.S., M.A.K.), Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health; and QUEST-Center for Transforming Biomedical Research (M.A.K.), Berlin Institute of Health, Germany. Dr. Kramer is currently affiliated with the Department of Anesthesiology, Pharmacology, and Therapeutics, Faculty of Medicine, University of British Columbia, Canada.

Published: December 2020

AI Article Synopsis

  • - This study investigates whether giving gabapentinoids earlier after a spinal cord injury can improve motor recovery in humans, utilizing patient data from a European spinal cord injury study.
  • - The research examined 201 participants, finding that those who received gabapentinoids within the first 30 days showed significant improvements in motor scores compared to those who didn't, with the greatest benefits occurring when the medication was administered within the first 5 days.
  • - The results suggest that early administration of gabapentinoids is beneficial for motor recovery post-injury, indicating the importance of timing in treatment effectiveness.

Article Abstract

Objective: To explore the hypothesis that earlier administration of acute gabapentinoids is beneficial to motor recovery after spinal cord injury in humans.

Methods: This is an observational study using a cohort from the European Multi-Centre Study about Spinal Cord Injury. Patient charts were reviewed to extract information regarding the administration and timing of gabapentinoid anticonvulsants. The primary outcome measure was motor scores, as measured by the International Standards for Neurological Classification of Spinal Cord Injury, collected longitudinally in the first year after injury. Sensory scores (light touch and pinprick) and functional measures (Spinal Cord Independence Measure) were secondary outcomes. Linear mixed effects regression models included a drug-by-time interaction to determine whether exposure to gabapentinoids altered recovery of muscle strength in the first year after injury.

Results: A total of 201 participants were included in the study and had a median age of 46 and baseline motor score of 50. Participants were mostly men (85%) with sensory and motor complete injuries (50%). Seventy individuals (35%) were administered gabapentinoids within the first 30 days after injury, and presented with similar demographics. In the longitudinal model, the administration of gabapentinoids within 30 days after injury was associated with improved motor recovery when compared to those who did not receive gabapentinoids during this time (3.69 additional motor points from 4 to 48 weeks after injury; = 0.03). This effect size increased as administration occurred earlier after injury (i.e., a benefit of 4.68 points when administered within 5 days).

Conclusions: This retrospective, observational study provided evidence of the beneficial effect of gabapentinoid anticonvulsants on motor recovery after spinal cord injury. More critically, it highlighted a potential time dependence, suggesting that earlier intervention is associated with better outcomes.

Classification Of Evidence: This study provides Class IV evidence that gabapentinoids improve motor recovery for individuals with acute spinal cord injury.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7836656PMC
http://dx.doi.org/10.1212/WNL.0000000000010950DOI Listing

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