Enhancing quality of life among adolescents with bipolar disorder: A randomized trial of two psychosocial interventions ☆

•Compared quality of life in family-focused therapy versus psychoeducation in BD.•Family-focused therapy had better quality of life for family and physical well-being.•Brief psychoeducation had better quality of friendships in active treatment phase.•The trajectory during the post-treatment phase favored family-focused therapy.