[Use of etretinate (RO-10-9359) in intermittent doses and follow-up for 1 year in patients with psoriasis. Final report]

p6e results of the treatment of 21 cases of psoriasis with etretinate are reported. The initial doses was 1 mg./Kg./daily for 8 weeks and, after control of the disease, minimal doses alternative with placebo administration. This method permits to obtain good results with minimal side effects.