International psychogeriatrics · 2025
Recommendations for management and future investigation of psychosis in neurodegenerative disease: Findings from the International Psychogeriatric Association (IPA) working group.
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Namasivayam Andrew A, Fischer Corinne E, Abler Victor, Creese Byron, Gastiazoro Maria Paula, Hermida Adriana P, Ikeda Manabu, Ismail Zahinoor, Jeste Dilip V, McDermid Joanne, Mills Kathryn, Pathak Sanjeev, Peschin Susan, Pot Anne Margriet, Mintzer Jacobo, Sano Mary, Cummings Jeffrey, Ballard Clive
Аннотация
INTRODUCTION: Psychosis is frequently observed in patients with neurodegenerative disease and may precede onset of cognitive symptoms. Additionally, the presence of psychosis in neurodegenerative disease is often associated with adverse effects including increased progression of cognitive decline and conversion to dementia, increased caregiver burden, and increased rates of placement in long-term care. Moreover, existing pharmacological treatments, which consist principally of off-label antipsychotic medications, may be associated with increased risk of harm, making management of symptoms challenging.
OBJECTIVE: We review recent advances in the field of psychosis in neurodegenerative disease, including advances in clinical criteria, biomarkers (neuroimaging, pathology, and genomic and epigenomics), and treatments.
METHOD: Under the direction of the International Psychogeriatric Association (IPA), a task force comprised of experts in the field of psychosis in neurodegenerative disease was convened. An in-person meeting was organized in September 2024, coincident with the annual IPA Congress. The task force undertook a review of the literature in the areas of clinical care, biomarkers, and treatment, from which key recommendations for the management and future investigation of psychosis in neurodegenerative disease were derived.
RESULTS: It was concluded that psychosis in neurodegenerative disease has a characteristic phenomenology that despite sharing some features with schizophrenia spectrum psychotic disorders, may differ in other clinically meaningful aspects. Etiopathogenesis based on biomarker, genomic, and treatment studies may differ to some extent among neurodegenerative diseases. There is emerging evidence supporting the use of prescriptive non-pharmacological (WHELD intervention) and novel pharmacological (pimavanserin, muscarinic agonists) approaches in the treatment of psychosis in neurodegenerative disease.
CONCLUSION: Future directions include the need for the implementation of evidence-based nonpharmacological treatments consistent with the aims of precision medicine, further investigation into novel pharmacological agents, mapping specific psychotic symptoms to specific biomarkers, and further exploration of the link between psychosis in neurodegenerative disease and other late-life psychoses.
OBJECTIVE: We review recent advances in the field of psychosis in neurodegenerative disease, including advances in clinical criteria, biomarkers (neuroimaging, pathology, and genomic and epigenomics), and treatments.
METHOD: Under the direction of the International Psychogeriatric Association (IPA), a task force comprised of experts in the field of psychosis in neurodegenerative disease was convened. An in-person meeting was organized in September 2024, coincident with the annual IPA Congress. The task force undertook a review of the literature in the areas of clinical care, biomarkers, and treatment, from which key recommendations for the management and future investigation of psychosis in neurodegenerative disease were derived.
RESULTS: It was concluded that psychosis in neurodegenerative disease has a characteristic phenomenology that despite sharing some features with schizophrenia spectrum psychotic disorders, may differ in other clinically meaningful aspects. Etiopathogenesis based on biomarker, genomic, and treatment studies may differ to some extent among neurodegenerative diseases. There is emerging evidence supporting the use of prescriptive non-pharmacological (WHELD intervention) and novel pharmacological (pimavanserin, muscarinic agonists) approaches in the treatment of psychosis in neurodegenerative disease.
CONCLUSION: Future directions include the need for the implementation of evidence-based nonpharmacological treatments consistent with the aims of precision medicine, further investigation into novel pharmacological agents, mapping specific psychotic symptoms to specific biomarkers, and further exploration of the link between psychosis in neurodegenerative disease and other late-life psychoses.