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Aims: To describe a nurse‐led multicentre randomized controlled trial protocol developed to evaluate the effectiveness and cost‐effectiveness of a Chinese iSupport for Dementia program in Australia and Greater China including mainland China, Taiwan, Hong Kong and Macau. Design: A multicentre randomized controlled trial following the SPIRIT checklist. Methods: Participants in the study will be recruited from Australia and Greater China and will be randomly assigned to the intervention group or the usual care group. Interventions will include self‐learning of the iSupport program, virtual peer support and nurse program facilitator support for 6 months. Primary outcome measures will be the 12‐Item Short‐Form Health Survey. Secondary outcome measures will include: Revised Scale for Caregiving Self‐efficacy; Quality of Social Support Scale; Revised Memory and Behaviour Problem Checklist; the Quality of Life in Alzheimer's Disease‐Proxy; usages of care services; and cost‐effectiveness of the intervention. Outcomes will be measured at baseline, 6 months and 9 months from the baseline. Caregivers' experiences of the peer support will be explored. This project was funded by the National Foundation for Australia‐China Relations, Australian Government (Project ID: NFACR216). The total amount is $440,000 Australian dollars (or £ 236,231). Discussion: Approximately, 20% of people living with dementia in the world live in Australia and Greater China. Older Chinese are usually cared for by family caregivers at home due to the influence of Confucianism. However, free and online psychoeducation programs for this large cohort of caregivers are not available or accessible. The World Health Organization iSupport for Dementia is an evidence‐based online psychoeducation program for caregivers. Implementing a culturally adapted Chinese iSupport program will address this gap in supporting caregivers. Impact This study will provide research evidence on effectiveness and cost‐effectiveness of an online psychoeducation program for caregivers. Findings will inform policy and practice development. [ABSTRACT FROM AUTHOR]

In order to obtain data from patients with Alzheimer's disease dementia and their informants in a uniform manner and to foster further research among the Chinese and other races, we have conducted an international study to recruit patients diagnosed with Alzheimer's disease (AD) from Taiwan, Hong Kong, and Beijing. The Uniform Data Set was translated into Chinese and administrated to AD patients and their informants. A total of 1,107 AD dementia patients were recruited, including 691 from Taiwan, 244 from Beijing, and 172 from Hong Kong. There were differences in the AD patients: gender (p = 0.099), education (p < 0.001), age (p < 0.001), and handedness (p = 0.007). For informants, age (p = 0.679), gender (p = 0.117), education (p < 0.001), and living together or not (p < 0.001) differed in the three samples. Although three areas across the Taiwan Strait are ethnic Chinese, the clinical picture for patients and informants are very different. Further study is needed to clarify the significance of clinical characteristics in Chinese societies.