Background: Online mindfulness-based interventions (MBIs) are increasingly being used in complex oncology. However, we are still at the early stages of understanding how effective online MBIs are for cancer patients, and what delivery modes are most efficient.Objective: This systematic review aims to examine the feasibility and efficacy of online MBIs in improving the mental health and quality of life of patients with cancer, to describe intervention characteristics and delivery modes of these programs, and to summarize the results of the included studies in terms of predictors of efficacy, adherence, and attrition.Methods: A comprehensive literature search was conducted using Cochrane Library, Web of Science, PubMed (National Library of Medicine), Embase, SinoMed, CINAHL Complete (EBSCOhost), Scopus (Elsevier), APA PsycINFO (EBSCOhost) from database inception to December 9, 2022.studies were eligible if a mental health outcome (e.g., FCR, PTG, anxiety, depression, distress, stress, sleep) and quality of life was assessed.
Results:The results of the meta-analysis showed that compared with the control group, the quality of life (standardized mean difference SMD[], 0.33; 95% CI, 0.14 to 0.51; p<.0001) and post-traumatic Growth (SMD, 0.17; 95%CI , -0.07 to 0.40; p=.16) of cancer patients was significantly improved and the fear of cancer recurrence (