Efficacy of topical diphenylcyclopropenone maintenance treatment for patients with alopecia areata: A retrospective study

To the Editor: Diphenylcyclopropenone (DPCP) immunotherapy is widely used in the treatment of alopecia areata (AA).1 Few studies have described the efficacy of DPCP maintenance treatment (DPCP-MT), and the relapse rate (RR) varies.2-4 Therefore, we  sought to clarify whether DPCP-MT prevents recurrence and to identify associated variables.
Source: Journal of the American Academy of Dermatology - Category: Dermatology Authors: Tags: Research letter Source Type: research