This article describes the treatment of a depressed adolescent (15 years of age) boy using Interpersonal Psychotherapy for depressed adolescents (IPT-A). IPT-A is an empirically supported psychosocial intervention for adolescents suffering from a depressive episode. It is delivered as an individual psychotherapy with a minimum of parental involvement. The following case study illustrates the principal strategies and techniques of IPT-A. (Contains 1 table and 1 figure.)