The addition of group cognitive–behavioural therapy to pharmacological treatment has been shown to be effective in patients with bipolar disorder, with evidence that it can reduced mania, depression, and anxiety symptoms, and also lower the frequency and duration of mood change episodes.3
References:
1. Miklowitz DJ, Efthimiou O, Furukawa TA, et al. Adjunctive psychotherapy for bipolar disorder: a systematic review and component network meta-analysis. JAMA Psychiatry 2021; 78 (2): 141–150.
2. Colom F, Vieta E, Martinez-Aran A, et al. A randomized trial on the efficacy of group psychoeducation in the prophylaxis of recurrences in bipolar patients whose disease is in remission. Arch Gen Psychiatry 2003; 60 (4): 402–407.
3. Costa RT, Cheniaux E, Rangé BP, et al. Group cognitive behavior therapy for bipolar disorder can improve the quality of life. Braz J Med Biol Res 2012; 45 (9): 862–868.