Why is Meaning-Centered Group Psychotherapy (MCGP) effective? Enhanced sense of meaning as the mechanism of change for advanced cancer patients.

Results supported the hypotheses that improvement due to MCGP is mediated by advanced cancer patients' enhanced sense of meaning. These findings highlight the importance of interventions focused on enhancing sense of meaning, as this appears to be a viable route to improve quality of life and decrease psychological distress among patients with advanced cancer.