ArticleNeurology and therapy2026
Care Partners' Perceptions of Amyloid-Targeting Therapy and Treat‑to‑Clearance for Alzheimer's Disease in Japan: A Qualitative Study.
Article in Neurology and therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionDonanemab has been developed as an amyloid-targeting therapy (ATT) for mild cognitive impairment (MCI) and mild dementia due to Alzheimer's disease (AD). In registration trials involving donanemab, a treat‑to‑clearance approach was used, in which patients discontinued ATT when amyloid plaque levels decreased below a predefined threshold, which differs from previously available symptomatic treatments for AD. Our study explored care partners' perceptions regarding ATT and treat‑to‑clearance.
methodsThis was a cross-sectional, qualitative interview study. Care partners of individuals with MCI or mild dementia due to AD participated in online semi-structured interviews about their perceptions regarding the impact of MCI or mild dementia diagnoses due to AD, the burden of supporting, and use/cessation of ATT. The qualitative data from the interviews were analyzed using a thematic approach.
resultsThe participants were 22 care partners (5 male/17 female), and their median age was 59 (range 35-81) years. The most common relationships between care partners and the individuals with AD were child (50.0%) and spouse/partner (45.5%); 68.2% of the care partners lived with the individuals with AD. Thematic analysis identified three major classifications (Thoughts regarding therapy; Treat‑to‑clearance; and Burdens of support), along with 15 themes and five sub-themes. Care partners expressed experiencing mental burden and time constraints, while treat‑to‑clearance could save care partners' time by reducing hospital waiting time and alleviating financial burden. Confirming the clearance of amyloid β plaques provided care partners with a sense of relief, while they remained concerned about the potential progression of AD symptoms and sought follow-up care after stopping treatment.
conclusionsThese results suggest that providing clear explanations and facilitating shared decision-making when introducing ATT, as well as introducing follow-up care and long-term evidence after stopping treatment, are needed.
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