Objectives: To clarify the mechanisms of interventions addressing loneliness and social isolation in older adults living in nursing homes through the involvement of primary and secondary informal caregivers.
Methods: This scoping review was performed by two independent reviewers, covering the period between 2011 and 2022 and the databases MEDLINE, CINAHL, PsycINFO and Scopus. It included terms related to (A) informal caregivers, (B) nursing homes, (C) psychosocial interventions, (D) involvement and (E) social isolation or loneliness.