To the Editor.—
In the September 1986 issue of the Archives, Biren and Barr1 postulated that topical application of cyclosporine A could be efficacious in the treatment of cutaneous diseases characterized by a T-cell infiltrate. Frances et al2 subsequently reported that topically applied cyclosporine A had been effective in the treatment of oral erosive lichen planus.
Report of Cases.—
During the last year, we had the opportunity to study seven patients who were affected with oral erosive lichen planus that was not associated with internal diseases. All of the patients were unresponsive to traditional forms of treatment. Therefore, they were treated by means of topical applications of 10% cyclosporine A in Labrafil (absolute ethyl alcohol, 10%; oleic polyoxylate glycerides, 30%; and a sufficient quantity of olive oil to make) four times a day (100 mg/d) for 2 months, and then two times a day (50 mg/d) for 2