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Rheumatology (Oxford). 2013 Jul;52(7):1303-12. doi: 10.1093/rheumatology/ket133. Epub 2013 Mar 28.

A multicentre, randomized, placebo- and active-controlled trial comparing the efficacy and safety of topical ketoprofen in Transfersome gel (IDEA-033) with ketoprofen-free vehicle (TDT 064) and oral celecoxib for knee pain associated with osteoarthritis.

Author information

  • 1University of Leeds and NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds, UK. p.conaghan@leeds.ac.uk

Abstract

OBJECTIVE:

To assess the efficacy and safety of 12-week treatment with ketoprofen in ultradeformable phospholipid vesicles in patients with OA knee pain and to compare the efficacy with that of ketoprofen-free vehicle and celecoxib. METHODS; A multicentre, double-blind controlled study in which patients with knee OA and moderate pain were randomized to one of the six arms: topical ketoprofen 50 or 100 mg in ultradeformable vesicles (IDEA-033), 2.2 or 4.4 g ketoprofen-free vehicle (TDT 064), oral celecoxib 100 mg or matching oral placebo, all bd. The primary outcome was change from baseline in the WOMAC pain subscale at week 12.

RESULTS:

A total of 1395 patients received treatment. Baseline mean WOMAC pain scores ranged from 4.7 to 4.8 across groups. The mean reduction in WOMAC pain score at week 12 was -1.9 (-40.8%) for ketoprofen 50 mg, -1.9 (-40.9%) for ketoprofen 100 mg, -1.9 (-39.8%) for 2.2 g TDT 064, -1.8 (-37.8%) for 4.4 g TDT 064, -1.9 (-40.4%) for celecoxib and -1.4 (-29.3%) for oral placebo. IDEA-033 was not statistically superior to TDT 064. All topical treatments were statistically superior to oral placebo and non-inferior to celecoxib. The most frequent types of treatment-related adverse events reported were gastrointestinal for oral (15.9% for celecoxib) and dermal for topical applications (12.2% for ketoprofen 100 mg).

CONCLUSION:

IDEA-033 was not superior to ketoprofen-free vehicle, but both formulations were superior to oral placebo and non-inferior to celecoxib in reducing OA knee pain.

TRIAL REGISTRATION:

ClinicalTrials.gov, http://clinicaltrials.gov/, NCT00716547.

KEYWORDS:

IDEA-033; TDT 064; Transfersome; ketoprofen; osteoarthritis; topical therapy

PMID:
23542612
[PubMed - indexed for MEDLINE]
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