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. 2013 Jan 31;2013(1):CD007633. doi: 10.1002/14651858.CD007633.pub2

EUCTR2006‐006569‐18‐FR.

Trial name or title Efficacy and safety of 8% clobetasol nail lacquer formulation versus vehicle in nail psoriasis
Methods This is a randomised, double‐blind, placebo‐controlled trial assessing the efficacy of a 6‐month daily application of 8% clobetasol nail lacquer versus vehicle in fingernail psoriasis using the dynamic physician (blinded expert) global assessment (EPGA), the dynamic physician (investigator) global assessment (IPGA), and the patient global self assessment.
Participants Inclusion criteria of the trial
  • Participants are 18 years or older, men or women, and ambulatory participants. They have a history of having ‐ for the last 6 months ‐ bilateral fingernail psoriatic involvement on both hands.

  • At least 1 fingernail with psoriatic involvement per hand, at least 1 nail per hand (target nail) with an onycholysis area > 25%, a subungual hyperkeratosis > 2 mm, or both. The target nail should be on the same finger of each hand.

Interventions
  • 6‐month daily application of 8% clobetasol nail lacquer

  • Vehicle

Outcomes Primary outcomes of the trial
  • Main objective: to assess the efficacy of a 6‐month daily application of 8% clobetasol nail lacquer versus vehicle in fingernail psoriasis using the dynamic physician (blinded expert) global assessment (EPGA), the dynamic physician (investigator) global assessment (IPGA), and the patient global self assessment

  • Primary end point(s): dynamic PGA: 1) dEPGA (dynamic expert PGA), 2) dIPGA (dynamic investigator PGA); Static PGA: 1) sEPGA (static expert PGA), 2) sIPGA (static investigator PGA)

  • Total clinical score assessing onycholysis, hyperkeratosis, healthy nail, number of cured nails, healthy hands, number of cured hands, patients global self assessment, tolerance to clobetasol dosage, plasmatic clobetasol measurement at baseline and 3 and 6 months


Secondary outcomes of the trial
  • To assess local and general safety of 8% clobetasol fingernail lacquer

  • To assess systemic exposure of clobetasol after 6 months' treatment

Starting date 19 January 2007
Contact information Pierre Fabre Dermatology represented by Institut de Recherche Pierre Fabre
Notes Status: Authorised ‐ recruitment may be ongoing or finished