the purpose of this double-blind study was to compare the therapeutic effects of a low initial dosage of acitretin , increased at 2-week intervals ( group 1 : 10 , 30 , 50 mg/day ) with a high initial dosage decreased at similar intervals ( group 3 : 50 , 30 , 10 mg/day ) and with a constant dosage ( group 2 : 30 mg/day ) in 66 patients ( 47 men and 19 women ) with severe psoriasis .
C0050559
acitretin
C0033860
psoriasis