The natural history of vitiligo
The efficacy of a course of narrow-band UVB (including high intensity light sources) vs. placebo
The efficacy of systemic (i.e. orally and parenterally administered) treatments, including corticosteroids, ciclosporin and other immunosuppressive agents
The accuracy of scoring index
The efficacy of applying betamethasone, clobestasol, flucinolone, fluticasone, or mometasone vs. placebo
The efficacy of a skin graft and of various forms of placebo
The efficacy of applying tacrolimus or pimecrolimus vs. placebo
The efficacy of cognitive therapy vs.psychological support or no treatment
The efficacy of applying p-(benzyloxy)phenol (hydroquinone monobenzyl ether) vs. placebo
The efficacy of a course of narrow-band UVB with a vitamin D analogue vs. narrow-band UVB with placebo