I am investigating several areas relating to Paediatric surgery in particular the quality and coverage of paediatric surgical trials. The context for this study is to evaluate the current state of paediatric surgical research for methodological rigour, aiming to establish an evidence base and agenda for future trials to improve outcomes in paediatric surgery. The project will involve epidemiological methodology studies and systematic reviews, data linkage and analysis of existing study datasets.
Cancer Risks From Low-dose Ionising Radiation Following Diagnostic Medical Procedures
Funder
National Health and Medical Research Council
Funding Amount
$750,579.00
Summary
Our study investigates cancer risk following exposure to low doses of ionising radiation from medical procedures. Our first major paper linked over 800,000 CT exposures to cancer outcomes in a cohort of almost 11 million young Australians, and found that CT exposure predicted an increased incidence of leukaemia and most solid cancers. In our ongoing work we will incorporate nuclear medicine and other diagnostic x-rays, and estimate radiation dose for individual procedures and to specific organs.
The Role Of Infant Food Allergy In The Natural History And Burden Of Allergic Disease Across The Early Years: The HealthNuts Study
Funder
National Health and Medical Research Council
Funding Amount
$1,722,373.00
Summary
The HealthNuts study of 4600 infants is the world’s first comprehensive population-based study of food allergy with objective measurement of true food allergy and will enable us to understand better the natural history of allergic disorders including food allergy, asthma, eczema and allergic rhinitis and the interplay of risk factors for development of these conditions in the first 6 years of life. The study will have important implications for clinical guidelines and public health policy.
Enterovirus, Vitamin D Status And Inflammation At The Clinical Onset Of Type 1 Diabetes In Childhood
Funder
National Health and Medical Research Council
Funding Amount
$410,542.00
Summary
Type 1 diabetes is a serious disease that is increasing in incidence among Australian children. This project will build on an exsisting study to provide new information on the role of enteroviral infection, vitamin D status and the associated inflammatory changes in blood at the onset of disease.
The Interaction Between Sexually Transmissible Infections And Human Immunodeficiency Virus Infection In Homosexual Men
Funder
National Health and Medical Research Council
Funding Amount
$635,931.00
Summary
This project examines the inter-relationship between HIV infection and sexually transmitted infections (STIs) in homosexual men. The overall goal of the projet is to inform the development of STI prevention and treatment strategies which may be important in reducing HIV incidence in this population. Homosexual men comprise over 80% of people diagnosed with HIV infecton in Australia, and in many developed nations are one of the largest groups affected by HIV. Rates of other STIs are also increase ....This project examines the inter-relationship between HIV infection and sexually transmitted infections (STIs) in homosexual men. The overall goal of the projet is to inform the development of STI prevention and treatment strategies which may be important in reducing HIV incidence in this population. Homosexual men comprise over 80% of people diagnosed with HIV infecton in Australia, and in many developed nations are one of the largest groups affected by HIV. Rates of other STIs are also increased in homosexual men. Currently, HIV rates are increasing in Australia and in many developed countries. We are in need of new and effective methods of HIV prevention. Data in heterosexuals suggest that where STIs are common, the early detection and treatment of these infections may help reduce HIV incidence. There are few data on this relationship in homosexual men. We propose to utilise an existing Sydney cohort of homosexual men to collect data on biologic tests for STIs, history of recent diagnosis of STIs, and symptoms, to allow a comprehensive description of the epidemiology of STIs and their overlap with HIV. The quality of data on the interaction between HIV and STIs in this cohort will be superior to any previously collected in homosexual men, as it will include data on self-reported doctor diagnosed illness, state of the art biologic testing, and symptom data, for the full spectrum of important STIs. The results of this study will be helpful in determining strategies for HIV and STI screening, education and control in the population which comprises the great majority of cases of HIV infection in Australia, and one of the largest risk groups for HIV infection in the developed world. Screening coupled with treatment of asymptomatic STIs may be an effective new approach to HIV prevention in this population.Read moreRead less
Risk Factors For Long-term Chronic Disease Events In HIV-positive Persons: The D:A:D Cohort Study
Funder
National Health and Medical Research Council
Funding Amount
$925,659.00
Summary
The D:A:D Study is a large, international study assessing risk factors for chronic disease events in HIV-positive patients. We know these events, such as heart attacks and cancers, increase with age. And we also know that these events are more common in HIV-positive people. Over the next five years, D:A:D will assess risk factors for chronic disease events in HIV-positive people as they age, and help optimise patient monitoring and management.
HIV Pre-exposure Prophylaxis In Men Who Have Sex With Men: Investigating Impacts On HIV Incidence And Novel Methods Of Engagement
Funder
National Health and Medical Research Council
Funding Amount
$318,768.00
Summary
HIV infections are increasing in gay men and other men who have sex with men (MSM) in Australia and Indonesia. A promising new HIV prevention strategy is HIV pre-exposure prophylaxis (PrEP), which involves HIV-negative individuals taking one pill containing HIV treatments per day to prevent infection. PrEP is highly effective when taken correctly. Access to PrEP is currently very limited. Studies to investigate the best ways to implement PrEP services are required in Australia and Indonesia.
HIV Treatment As Prevention: A Longitudinal Assessment Of Population Effectiveness
Funder
National Health and Medical Research Council
Funding Amount
$783,160.00
Summary
This project is a large-scale evaluation of an HIV strategy known as ‘treatment as prevention’ (TasP). Through routine and repeat HIV testing for gay men and early treatment initiation following diagnosis, TasP aims to reduce HIV community infection rates. Through the establishment of a large cohort of gay men in NSW and Victoria, this study will track HIV testing, treatment and management to assess the real-world efficacy of TasP for reducing HIV infections among this at-risk population.