DOUBLE-BLIND TRIAL
This double-blind, randomised trial compared the efficacy of photodynamic therapy with topical pre-treatment with 5-aminolaevulinic acid or placebo.
Patients had recalcitrant warts which had proved resistant to standard first-line treatment. 232 warts on 45 patients were entered into the trial.
Endpoints were:
A clearance rate of 56% was achieved with photodynamic therapy.
Notes:
Reference:
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