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Randomised controlled trial of the onset of analgesic efficacy of dexketoprofen and diclofenac in lower limb injury
  1. P Leman,
  2. Y Kapadia,
  3. J Herington
  1. Emergency Department, St Thomas’ Hospital, London, UK
  1. Correspondence to:
 Dr P Leman
 Emergency Department, St Thomas’ Hospital, Lambeth Palace Road, London SE1 7EH, UK;


Objective: To assess the time of onset and difference in analgesic efficacy of oral dexketoprofen compared with oral diclofenac in patients with acute lower limb injury.

Design: A prospective, double blind, randomised controlled trial.

Interventions: Patients who fitted the study criteria were given either 25 mg oral dexketoprofen trometamol or 50 mg sodium diclofenac immediately after triage; baseline and 15 minute pain scores were then recorded for one hour.

Results: 122 patients were studied (diclofenac = 57 and dexketoprofen = 65). There were no significant differences in age, sex, type of injury, or baseline pain scores between the two groups. The differences in group mean pain scores between diclofenac and dexketoprofen at 15, 30, 45, and 60 minutes were; 0.53 (95% confidence intervals −0.03 to 1.09), 0.70 (0.16 to 1.24), 0.89 (0.32 to 1.47), and 0.83 (0.21 to 1.45). Odds ratios for a decrease in pain score of at least 1 from baseline (on the 11 point scale) when given dexketoprofen rather than diclofenac at 15, 30, 45, and 60 minutes were; 2.66 (1.19 to 5.98), 3.52 (1.60 to 7.73), 4.48 (1.72 to 11.65), and 5.54 (1.90 to 16.15). Corresponding odds ratios for a decrease in pain score of ⩾2 were; 6.88 (1.48 to 32.0), 3.79 (1.59 to 9.01), 5.19 (2.29 to 11.78), and 5.87 (2.68 to 12.88).

Conclusions: Dexketoprofen trometamol is an effective and rapidly acting analgesic for the treatment of acute musculoskeletal injuries.

  • analgesia
  • injury
  • pain score
  • non-steroidal anti-inflammatory drug

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