Bereaved Family ACP Participation Boosts Own Planning and Interpersonal Trust

The Relational Legacy of Advance Care Planning in Oncology

Advance care planning (ACP) serves as a cornerstone of high-quality oncology care by facilitating the documentation of patient preferences and increasing the utilization of palliative services [1]. Meta-analytic data involving 14 studies indicate that while these interventions significantly increase advance directive completion (OR 7.93; 95% CI, 2.76 to 22.77) and palliative care use (OR 1.39), they may not directly alleviate patient anxiety or depression [1]. Clinicians often utilize motivational interviewing (a goal-oriented counseling style that helps patients resolve ambivalence about end-of-life decisions) to improve patient readiness for appointing a healthcare proxy (p = 0.005) and discussing preferences with family members (p = 0.006) [2]. Furthermore, structured support led by lay health workers has demonstrated durable clinical benefits, including a 25% reduction in the risk of death (HR 0.75; 95% CI, 0.56 to 0.98) and a substantial decrease in median total healthcare costs from $18,520 to $1,637 [3]. Despite these systemic benefits, the clinical focus frequently remains limited to the patient's immediate end-of-life period, leaving the subsequent behavioral and psychological trajectory of bereaved survivors under-examined. The current study investigates how active participation in a loved one's end-of-life planning influences the survivors' own health behaviors and interpersonal relationships.

Methodology of the J-HOPE4 Bereavement Survey

To evaluate the long-term impact of end-of-life planning on survivors, researchers conducted a nationwide, cross-sectional, anonymous questionnaire survey (a study design that captures data from a population at a single point in time to identify associations). This investigation was nested within the Japan Hospice and Palliative Evaluation Study 4 (J-HOPE4), a large-scale initiative designed to assess the quality of end-of-life care from the perspective of the bereaved. The study population consisted of family members of cancer patients who had received specialized care at designated palliative care units across Japan. To ensure a sufficient period for bereavement and reflection, the researchers specifically recruited families of patients who had died before January 31, 2018, allowing for a retrospective look at how the planning process influenced the family's subsequent outlook. Data collection yielded a total of 639 returned questionnaires, representing a response rate of 63.5%. After excluding incomplete or ineligible submissions, the researchers included 544 valid responses in the final analysis. To determine which specific experiences or demographics influenced a survivor's likelihood of engaging in their own end-of-life preparations, the authors employed logistic regression analyses (a statistical method used to estimate the probability of an event occurring based on independent variables). This approach allowed the team to isolate the specific impact of participating in a loved one's advance care planning while controlling for potential confounding factors, thereby identifying the primary drivers of subsequent behavioral changes in the bereaved.

Behavioral Shifts in End-of-Life Preparation

The study specifically examined how a bereaved family member's participation in a deceased cancer patient's advance care planning influenced their own subsequent behavior regarding end-of-life preparation. The researchers assessed these behaviors by measuring three distinct levels of engagement: thinking about, discussing, or documenting personal medical preferences. Among the 544 valid respondents analyzed, the data revealed a clear hierarchy of engagement. While 75% of respondents had thought about their own advance care planning, only 42.1% had discussed their preferences with others, and a mere 7.9% had documented their wishes in a formal capacity. This gradient suggests that while internal reflection is common following the loss of a loved one, the transition to verbal communication and formal documentation remains a significant clinical hurdle for most individuals. The analysis demonstrated that active participation in a loved one’s advance care planning served as a powerful driver for a survivor's own preparation. Specifically, participation in a loved one’s planning was significantly associated with thinking about one’s own advance care planning, yielding an odds ratio of 5.07. This indicates that those involved in a family member's end-of-life discussions were more than five times as likely to reflect on their own future care compared to those who did not participate. Furthermore, this involvement was significantly associated with discussing one’s own advance care planning, with an odds ratio of 2.46. Overall, the researchers concluded that participation in a loved one’s process was associated with greater engagement in the bereaved individuals’ own advance care planning, effectively lowering the barrier to these critical clinical conversations. For the practicing physician, these findings suggest that the benefits of end-of-life discussions extend beyond the immediate patient to the family, potentially facilitating more robust preparation for the survivors.

Psychological Resilience and Relational Outcomes

Beyond the behavioral shifts in how survivors approach their own medical futures, the researchers evaluated the qualitative impact of end-of-life discussions on the family unit. The survey specifically assessed discussion partners and psychological outcomes to determine how these interactions shaped the bereavement experience. The data revealed that advance care planning conversations were linked to increased trust and emotional understanding among family members. Furthermore, these conversations were linked to reduced anxiety, suggesting that the clarity provided by structured end-of-life discussions serves as a protective factor against the psychological distress often associated with the death of a loved one. The study also explored the broader impact of participation on interpersonal relationships and values regarding life and death. The results indicated that participation was associated with enhanced interpersonal trust and reflection on life and death, suggesting that the process of planning for the end of life can deepen the bonds between the living and prompt a more profound engagement with personal mortality. These findings support viewing advance care planning as a relational and life-oriented process (a framework that treats medical decision-making as an opportunity for strengthening family ties and personal meaning rather than a purely administrative or legal checklist). For the practicing physician, these results indicate that the benefits of palliative care interventions extend well beyond the patient, contributing to the long-term psychological health and relational stability of the surviving family members.

References

1. Zhang S, Li J, Zhang Y, Hu X. Effects of advance care planning for patients with advanced cancer: A meta-analysis of randomized controlled studies.. International journal of nursing studies. 2025. doi:10.1016/j.ijnurstu.2025.105096

2. Chan HY, Leung D, Lam P, Ko PP, Lam RW, Chan K. Effect of motivational interviewing to promote advance care planning among palliative care patients in ambulatory care setting: a randomized controlled trial. BMC Palliative Care. 2025. doi:10.1186/s12904-025-01667-9

3. Patel M, Agrawal M, Blayney D, Bundorf M, Milstein A. Long-Term Engagement of Patients With Advanced Cancer: Results From the EPAC Randomized Clinical Trial.. JAMA Oncology. 2024. doi:10.1001/jamaoncol.2024.1221