OPAL: a randomised, placebo-controlled trial of opioid analgesia for the reduction of pain severity in people with acute spinal pain—a statistical analysis plan
Abstract Background Low back and neck pain are a leading cause of disease burden globally. Opioids are recommended in guidelines for acute low back and neck pain; however, there is a lack of compelling efficacy data to support this. Methods The OPAL trial is a prospectively registered, triple-blinde...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2022-03-01
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Series: | Trials |
Subjects: | |
Online Access: | https://doi.org/10.1186/s13063-022-06028-y |