HEIDI DOUGLASS | email@example.com
Co-Director of CHeBA Professor Perminder Sachdev has been awarded US$2.57 million from the National Institutes of Health, USA, to identify risk and protective factors and biomarkers of cognitive ageing and dementia.
Announced by the National Institute on Aging, this grant will allow CHeBA to broaden their international research collaboration within COSMIC (Cohort Studies of Memory in an International Consortium), specifically to determine what factors are common for cognitive decline and dementia in all human populations irrespective of race, ethnicity and socioeconomic development.
“Ageing is intricately connected with cognitive decline and there is an increasing proportion of life lived with cognitive impairment as age increases,” said Professor Sachdev.
“If an impact is to be made on this disability burden, we must understand the risk and protective factors for cognitive decline associated with ageing. The best approach is to study this and to develop early biomarkers is using population-based ageing cohorts,” he said.
The funding will support the bringing together cohort studies of cognitive ageing internationally in order to facilitate a better understanding of the determinants of ageing and neurocognitive disorders. The priority objectives are to harmonise shared data from studies that longitudinally examine change in brain function and the development of dementia in those over 60 years of age.
The data harmonisation strategy in COSMIC is unique and offers the potential to explore both existing and novel research questions by creating a single, large database. Harmonizing data across studies to create a single, large database helps to minimize the influence of both study-level (e.g. methodology) and individual level (e.g. demographic) factors, while also enabling these to be explored as potential contributors to differences in results. Other advantages include increased statistical power for detecting effects of modest size, and the inherent replication and enhanced generalizability associated with using heterogeneous samples and methodologies.
“COSMIC is truly an international effort,” said Professor Sachdev. “It currently has 30 member studies from 5 continents and potentially data from more than 90,000 participants.”
“The rules of COSMIC’s engagement have been established and the success of its initial projects has demonstrated its feasibility.”
“This funding will now allow make a lasting impact on the epidemiology of cognitive ageing and dementia,” he said.
Having already led a number of international consortia, Professor Sachdev says CHeBA is in an outstanding position to make a difference to the worldwide understanding of dementia for improved outcomes in prevention, earlier diagnosis as well as earlier and more effective interventions.
Richard Grellman AM, Chairman of IPH Limited, AMP Foundation and Spokesman for The Dementia Momentum initiative - which aims to increase community awareness and drive societal change while generating philanthropic support for CHeBA’s big data research - congratulated its Co-Directors on their track record in dementia research.
“CHeBA’s focus on international collaboration inspires significant promise for future outcomes in dementia research,” he said.
Investigators on the grant include Professor Louisa Jorm, director of the UNSW Centre for Big Data Research in Health and CHeBA Co-Director Professor Henry Brodaty, as well as leading researchers from USA (Professors Mary Ganguli, Ron Petersen and Richard Lipton), France (Professors Karen Ritchie and Carole Dufouil) and South Korea (Prof Ki-Woong Kim). Significant contributions have been made by CHeBA researchers Drs Darren Lipnicki, John Crawford, Nicole Kochan and Anbu Thalamuthu and other staff, in particular the Centre Manager Angie Russell.
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