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Neonatal Immunization With Pneumococcal Conjugate Vaccine In Papua New Guinea
Funder
National Health and Medical Research Council
Funding Amount
$1,181,966.00
Summary
One million children die every year of pneumococcal (Pnc) disease, the majority in the third world. Many die in early infancy and babies may benefit from immunisation with a Pnc conjugate vaccine (PrevenarTM) at birth. The Papua New Guinea (PNG) Insatiate of Medical Research; Telethon Institute for Child Health Research and the Department of Paediatrics, University of Western Australia, will collaborate to closely examine the safety of this approach, particularly with regard to impact on the dev ....One million children die every year of pneumococcal (Pnc) disease, the majority in the third world. Many die in early infancy and babies may benefit from immunisation with a Pnc conjugate vaccine (PrevenarTM) at birth. The Papua New Guinea (PNG) Insatiate of Medical Research; Telethon Institute for Child Health Research and the Department of Paediatrics, University of Western Australia, will collaborate to closely examine the safety of this approach, particularly with regard to impact on the development of immunity and response to other vaccines given to infants. This study will also provide a unique opportunity for training of PNG and Australian scientists in both countries; transfer state-of-the-art immunological technology and stimulate further collaborations on respiratory infections in the region.Read moreRead less
Injecting Drug Users: Social Networks And Molecular Epidemiology Of The Hepatitis C Virus
Funder
National Health and Medical Research Council
Funding Amount
$543,868.00
Summary
The hepatitis C virus (HCV) continues to spread among injecting drug users (IDUs) in Australia at a very high rate, despite success in preventing the spread of HIV in the same groups; the complete reasons for this remain unclear. There is an urgent need for the HCV epidemic among IDUs to be contained. To do so, we must better understand the ways in which it is spreading among IDUs. Much is known about risk behaviours of individual IDUs and how they contribute to HCV transmission; much less is kn ....The hepatitis C virus (HCV) continues to spread among injecting drug users (IDUs) in Australia at a very high rate, despite success in preventing the spread of HIV in the same groups; the complete reasons for this remain unclear. There is an urgent need for the HCV epidemic among IDUs to be contained. To do so, we must better understand the ways in which it is spreading among IDUs. Much is known about risk behaviours of individual IDUs and how they contribute to HCV transmission; much less is known about how these behaviours are modified by the influence of the IDUs peer group, especially their immediate and intimate social networks. Despite its importance in influencing attitudes and behaviours, and therefore HCV transmission, this has never been studied in Australia, nor, in relation to HCV, in the world. We hope that by studying social and risk networks of IDUs we shall discover new ways in which control of the HCV epidemic can be achieved in Australia. We intend to do this among two groups of young IDUs, one of Vietnamese ethnicity, located in the one suburb of Melbourne. By using field techniques for gathering information (ethnography), and sophisticated analytic techniques to understand how these networks are formed and influence behaviours, we hope to be able to identify interventions which work at the level of the social group rather than the individual in bringing about the behaviour change necessary to prevent HCV transmission. To ensure that the risk networks we describe are as influential as they appear, and to discover more about the variability of HCV, we will also be investigating the relationship between the various strains of HCV in members of the IDU networks, particularly as another measure of the connectedness of networks and network members. This will be done using sophisticated genetic analysis of the HCV obtained from network members by blood test.Read moreRead less
Provision Of Secondary Cardiac Preventive Australian General Practice
Funder
National Health and Medical Research Council
Funding Amount
$499,513.00
Summary
This study will provide a comprehensive description of secondary preventative activities for patients with ischaemic heart disease, with the aim of determining those factors that can most contribute to reducing the increased risk of further events which they experience, and thereby reducing the burden of this disease.
A Comprehensive Regulatory Strategy For Obesity Prevention In Australia
Funder
National Health and Medical Research Council
Funding Amount
$810,696.00
Summary
This research aims to develop regulatory approaches to obesity prevention and the reduction of socio-economic inequalities in obesity prevalence. Laws related to the provision, marketing, and labelling of food, urban planning, transportation, taxes and subsidies and so on will be comprehensively analysed and prioritised, and options proposed for legislative reform. The evidence-base and the implementation pathways will be developed contemporaneously and will be widely promoted to governments. A ....This research aims to develop regulatory approaches to obesity prevention and the reduction of socio-economic inequalities in obesity prevalence. Laws related to the provision, marketing, and labelling of food, urban planning, transportation, taxes and subsidies and so on will be comprehensively analysed and prioritised, and options proposed for legislative reform. The evidence-base and the implementation pathways will be developed contemporaneously and will be widely promoted to governments. A significant portion of time will be devoted to working closely with those within the bureaucracy who administer the law and legislators who together make the relevant policy decisions so that they may gain an understanding of the rationale behind each recommendation.Read moreRead less
A National Resource For Mouse Models Of Mesothelioma
Funder
National Health and Medical Research Council
Funding Amount
$483,643.00
Summary
Mouse models of mesothelioma have led to a greater understanding of the disease and the identification of potential drug therapies some of these have now been translated into clinical trials. In the existing models, mesothelioma cells that have been grown in the laboratory are transplanted into animals by injecting the cells under the skin. Different cell lines with different properties are used in different experimental protocols. This application will fund the establishment of a central resour ....Mouse models of mesothelioma have led to a greater understanding of the disease and the identification of potential drug therapies some of these have now been translated into clinical trials. In the existing models, mesothelioma cells that have been grown in the laboratory are transplanted into animals by injecting the cells under the skin. Different cell lines with different properties are used in different experimental protocols. This application will fund the establishment of a central resource to maintain and distribute these cell lines. In addition, we describe a new transgenic mouse model in which mesotheliomas are rapidly induced in the peritoneal cavity after exposure to asbestos, recreating the natural tumour development much more accurately. These mice have been engineered to express the cancer causing protein of a monkey virus (SV40 large T antigen) in their mesothelial cells because it has been suggested that the virus has a role in the development of mesothelioma. This application also seeks funding to use the MexTAg mice to test the usefulness of different therapies for the prevention or treatment of mesothelioma. These animals give us the ability to investigate the disease in a more realistic environment than previous models. In parallel collaborative studies with other groups investigating different aspects of the biology of this cancer, we plan to analyze the earliest changes in the development of the disease and search for early markers using proteomics and gene expression studies. We anticipate that this model will generate information more directly relevant to understanding the human disease and will provide essential experimental data for clinical trials.Read moreRead less
The Impact Of Declining Dental Needs Of Age Cohorts On The Cost-effectiveness Of Water Fluoridation & Supplementary Prev
Funder
National Health and Medical Research Council
Funding Amount
$85,600.00
Summary
This research will apply economic modelling, based on current trend-data by birth cohort on the effectiveness of water fluoridation to the evaluation of its continuing application to metropolitan water supplies. Wherever possible data from Victoria, and Australia as a whole, will be used in the modelling. It will explore the implications for policy-making in relation to maintenance of benefits gained and potential future application to non-fluoridated rural water supplies in Victoria. A key focu ....This research will apply economic modelling, based on current trend-data by birth cohort on the effectiveness of water fluoridation to the evaluation of its continuing application to metropolitan water supplies. Wherever possible data from Victoria, and Australia as a whole, will be used in the modelling. It will explore the implications for policy-making in relation to maintenance of benefits gained and potential future application to non-fluoridated rural water supplies in Victoria. A key focus is to identify and analyse data relating to the point at which there is a ‘plateauing-out’ of the benefits accruing from water fluoridation in middle and older age. The evaluation will also consider the policy implications of trends towards retention of more teeth into older age and the consequent increased exposure to both caries and periodontal disease.Read moreRead less
Identification And Quantification Of Risk Of Falls In Cognitively Impaired Older Adults
Funder
National Health and Medical Research Council
Funding Amount
$530,741.00
Summary
This study represents the first systematic approach to understanding the complex interaction of factors that contribute to risk of falling in cognitively impaired older people. The results will provide much needed information on how to intervene to prevent falls and fractures in this high risk population. In the last decade, 25 randomised controlled trials have been published which show it is possible to prevent falls in older people. However, a major disappointing outcome of research in this fi ....This study represents the first systematic approach to understanding the complex interaction of factors that contribute to risk of falling in cognitively impaired older people. The results will provide much needed information on how to intervene to prevent falls and fractures in this high risk population. In the last decade, 25 randomised controlled trials have been published which show it is possible to prevent falls in older people. However, a major disappointing outcome of research in this field is that trials that have included or specifically focused on older people with cognitive impairment have been unsuccessful in preventing falls. Cognitive impairment has long been known to be a major risk factor for falls and fractures but little research has been undertaken to understand the underlying mechanisms as to why this is the case. It is likely that previous falls prevention trials involving people with cognitive impairment were unsuccessful because they did not directly assess mechanisms for falls in this group and simply translated intervention strategies from studies undertaken in cognitively intact older people. This study aims to develop our understanding of the important factors that contribute to risk of falling in older people with cognitive impairment and dementia. Participants will be recruited from a number of sources including hospitals, out-patient clinics, retirement villages, hostels etc. Whilst some participants will be able to consent to take part, all participants must have a nominated person responsible. Consenting participants will undergo a series of assessments, the majority of which can be undertaken in their own home. These will include medical and medication history, measures of gait and balance and tests assessing performance of different regions of the brain. An MRI scan will allow us to determine whether risk of falling relates to any specific pathology in different parts of the brain. We anticipate that we will be able to identify which risk factors and underlying mechanisms are most strongly associated with falling in cognitively impaired older people. We then hope to use the information to design targeted and tailored intervention strategies to reduce falls and fractures in this high risk population.Read moreRead less