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BACKGROUND: Increases in cancer survivorship negatively impact patients and family caregivers, decreasing quality of life. Previous dyadic interventions involved them as a unit and focused on their outcomes, but inconsistent results existed in influencing quality of life. OBJECTIVES: To assess dyadic intervention effect on quality of life for cancer patients and family caregivers across different cancer types and intervention durations. DESIGN: A systematic review and meta-analysis based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). METHODS: statistic, P values, and Egger's test, and differences in overall effects were deemed statistically significant, having a P value 6 weeks), enhanced quality of life for cancer patients and family caregivers. The evidence and methodology were of a moderate quality. CONCLUSIONS: Nurses are important practitioners of culture-oriented dyadic interventions. Long-term (> 6 weeks) and family-centred dyadic interventions for patients with a specific cancer type can enhance cancer patients' and family caregivers' quality of life, along with digital intelligence approaches to promote mutual communication and strengthen family relationships, thereby optimising oncology clinical nursing and enhancing the quality of life, health, and welfare of the entire family. RELEVANCE TO CLINICAL PRACTICE: Dyadic interventions emphasising the involvement of both cancer patients and family caregivers should be considered and tailored by professionals and oncology nurses to establish harmonious family relationships, improve family coping techniques and decision-making to enhance the whole family's quality of life and well-being according to their cultural contexts, and promote more efficient, targeted, and economical oncology care. PATIENT OR PUBLIC CONTRIBUTION: No Patient or Public Contribution because all the involved participants were from existing studies, and the design, conduction, analysis, and interpretation of the data were completed by the authors in this article. TRIAL REGISTRATION: International Prospective Register of Systematic Reviews: CRD42024519432; https://www.crd.york.ac.uk/PROSPERO/#recordDetails.
Li et al. (Wed,) studied this question.