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Analgesic efficacy and safety of lornoxicam quick-release formulation compared with diclofenac potassium: randomised, double-blind trial in acute low back pain.

Abstract：

BACKGROUND:NSAIDs are widely used for patients presenting with low back pain. A quick-release formulation of lornoxicam, a potent NSAID from the chemical class of oxicams, offers a faster onset of pain relief compared with the standard tablet formulation. METHODS:Time to onset of pain relief with lornoxicam was compared with the quick-release formulation of diclofenac potassium in acute low back pain in a randomised, double-blind, multicentre study. 220 patients received either lornoxicam 24 mg or diclofenac potassium 150 mg on day 1 followed by lornoxicam 8 mg twice daily or diclofenac potassium 50 mg twice daily for 5 days. Efficacy outcomes included time to onset of pain relief, as measured by the stopwatch method (primary outcome), pain intensity, pain relief, rescue medication, ability to perform daily activities and global evaluation of the study medication. RESULTS:The time to onset of pain relief ratios between diclofenac potassium/lornoxicam was 1.03 (95% CI 0.91, 1.26) and 1.05 (95% CI 0.93, 1.29) in the intention-to-treat (ITT) and per-protocol (PP) analyses, respectively, demonstrating the non-inferiority of lornoxicam (defined by lower limits of the 95% CIs >0.80). Time to onset of pain relief was shorter with lornoxicam (30 minutes) compared with diclofenac potassium (36 minutes). The difference was not statistically significant (ITT analysis). A higher magnitude of analgesic effect associated with better global evaluation of the study medication for lornoxicam was also demonstrated. The drugs were equally well tolerated. CONCLUSION:Lornoxicam administered as a quick-release formulation was shown to be non-inferior to the equivalent formulation of diclofenac potassium in terms of onset of pain relief and more effective on most of the major standard efficacy outcomes.

journal_name

Clin Drug Investig

journal_title

Clinical drug investigation

authors

Yakhno N,Guekht A,Skoromets A,Spirin N,Strachunskaya E,Ternavsky A,Olsen KJ,Moller PL

doi

10.2165/00044011-200626050-00004

subject

Has Abstract

pub_date

2006-01-01 00:00:00

pages

267-77

issue

eissn

1173-2563

issn

1179-1918

pii

2654

journal_volume

pub_type

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Analgesic efficacy and safety of lornoxicam quick-release formulation compared with diclofenac potassium: randomised, double-blind trial in acute low back pain.