Effectiveness of dignity therapy on well-being among patients under palliative care: A systematic review and meta-analysis

Dignity therapy is a psychotherapeutic intervention that is potentially effective in improving the well-being of patients receiving palliative care. However, the effects of dignity therapy are not well-understood. We attempted to determine the effectiveness of dignity therapy in palliative patients to provide evidence that dignity therapy could be used in their care. Systematic review. The number of participants from all the studies was 1202 (intervention group, 619 patients; control group, 583 patients). The review was reported according to the updated Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2020. Relevant studies were collected with database searching of PubMed, Scopus, ScienceDirect, ProQuest Health & Medical Complete, CINAHL, and Psych Info databases from the inception of dignity therapy in 2002 to 2022. Literature was selected to identify trials of dignity therapy in patients with palliative care needs including cancer and non-cancer condition. Critical appraisal was performed independently by two reviewers to assess the relevance, reliability, and quality of the included studies. Two independent reviewers extracted data from all the studies. Data were synthesized using Review Manager version 4.5. A total of 16 studies involving 1202 participants were included. Most studies were rated as medium quality (n = 10, 62.5 %). The results showed a significant difference between the dignity and control groups in dignity-related distress (MD = − 3.54, 95 % CI: [− 4.66, − 2.42], p < 0.00001), hope (MD = 2.27, 95 % CI: [1.32, 3.22], p < 0.0001), and quality of life (SMD = 0.45, 95 % CI: [0.15, 1.14], p = 0.00). However, no significant difference was observed in depression (MD = − 0.44, 95 % CI: [− 1.09, 0.20], p = 0.18); anxiety (MD = − 0.21, 95 % CI: [− 1.68, 1.27], p = 0.78), and spiritual well-being (MD = 2.41, 95 % CI: [− 0.82, 5.64], p = 0.14). Dignity therapy was effective in improving dignity-related distress, quality of life, and levels of hope. A meta-analysis found no significant differences in patients' psychological or spiritual well-being. Differences in the providers of dignity therapy in the included studies may be the cause of the different findings regarding the varying effects of dignity therapy. Professional health workers need to be trained as dignity therapists to enhance the visibility of dignity therapy for patients. CRD42022375319. Dignity therapy is an effective and promising intervention in palliative care.