Lebwohl 2004

Methods	Individual randomised controlled trial
Participants	Dx: SD of the scalp (physician diagnosis implied) Exclusion criteria: psoriasis, atopic dermatitis, previous use of systemic antimycotic medication and lots more (see Table 1, page 18) Sex: ciclo (male 46%), vehicle (male 49%)
Interventions	Intervention: ciclopirox (1%) shampoo applied twice weekly to scalp for 28 days (n = 250) Control: vehicle shampoo applied similarly (n = 249)
Outcomes	Complete clearance
Notes	Country: USA Conflict of interest: The second study author is employed by Medicis Pharmaceutical Corporation
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	"The present study was a randomized double blind, vehicle-controlled multicenter trial"
Allocation concealment (selection bias)	Unclear risk	See above
Baseline comparable?	Low risk	Baseline characteristics reported and similar
Patient blinded?	Unclear risk	"This randomized, double blind, vehicle-controlled study was conducted ..."
Provider blinded?	Unclear risk	"This randomized, double blind, vehicle-controlled study was conducted ..."
Outcome assessor blinded?	Unclear risk	"This randomized, double blind, vehicle-controlled study was conducted ..."
Co-interventions avoided?	Unclear risk	Not reported
Compliance acceptable?	Unclear risk	Mean treatment duration was 27 days for both groups
Drop-out acceptable?	Unclear risk	Not reported
Selective outcome reporting acceptable?	Low risk	All outcomes reported
ITT?	Unclear risk	Not reported