SHARING Choices: Lessons Learned from a Primary-Care Focused Advance Care Planning Intervention.

Background: Few advance care planning (ACP) interventions have been scaled in primary care.

Problem: Best practices for delivering ACP at scale in primary care do not exist and prior efforts have excluded older adults with Alzheimer's Disease and Related Dementias (ADRD).

Intervention: SHARING Choices (NCT#04819191) is a multicomponent cluster-randomized pragmatic trial conducted at 55 primary care practices from two care delivery systems in the Mid-Atlantic region of the U.