Green Tea Polyphenols And Cancer Prevention: Use Of Population Controls And Biomarkers To Elicit Causal Pathways
Funder
National Health and Medical Research Council
Funding Amount
$956,189.00
Summary
There is laboratory evidence that chemicals in green tea (poloyphenols) protect against cancer. Epidemiologic studies in humans have generally supported these findings, especially for breast cancer. This project is a crucial stepping stone towards future prospects of a large-scale trial using green tea extract. It will see if the protection extends to leukaemia and bowel cancer, and will identify the genetic makeup of people who are able to benefit the most from green tea polyphenols.
An Implementation Trial Of A Telephone-based Care Management Program For Patients Following Myocardial Infarction
Funder
National Health and Medical Research Council
Funding Amount
$641,656.00
Summary
We are trialling the implementation of an innovative telephone-delivered program for managing people who have had a heart attack. Cardiac rehabilitation programs are generally based in hospitals in Australia and people have to be able to attend the programs when they are offered. Even though such programs have been shown to be very effective in improving outcomes after a heart attack, at least 85% of Australians after a heart attack are either unable to access and-or unable to attend such progra ....We are trialling the implementation of an innovative telephone-delivered program for managing people who have had a heart attack. Cardiac rehabilitation programs are generally based in hospitals in Australia and people have to be able to attend the programs when they are offered. Even though such programs have been shown to be very effective in improving outcomes after a heart attack, at least 85% of Australians after a heart attack are either unable to access and-or unable to attend such programs due to transport and many other barriers. So, there is an urgent need to identify new, effective, and affordable ways of delivering cardiac rehabilitation programs to people after a heart attack. The proposed telephone-delivered program will be particularly appropriate for disadvantaged people, such as those living in rural and remote areas as well as Indigenous Australians, who do not currently have access to hospital-based cardiac rehabilitation programs. People who have had a heart attack will be recruited from three of Brisbane's largest public teaching hospitals, and will then be randomly assigned to the telephone-delivered cardiac rehabilitation program (Care Management Intervention group) or to a control or Usual Care group. The Care Management Intervention group will receive regular telephone calls from a highly qualified 'Care Manager' based at the renowned National Heart Foundation of Australia telephone support service, 'Heartline'. The Care Manager will help people to manage their heart condition and prevent the reoccurrence of further heart problems. People will also be encouraged to make necessary lifestyle and behavioural changes with the assistance of the Care Manager and some Heart Foundation educational and interactive resources to record their progress. We expect that the program or Care Management Intervention group will have better health outcomes than the control or Usual Care group at 6 and 12 months follow up.Read moreRead less
An Epidemic Of Vulvar Cancer In Young Women: Investigating The Role Of Human Papillomavirus And Genetic Susceptibility
Funder
National Health and Medical Research Council
Funding Amount
$489,706.00
Summary
Vulvar cancer is a rare disease; in 1993-1997 the age-adjusted incidence rate in Australia was 1.4 per 100,000 women (average 207 cases per year), similar to the incidence in most other countries. An epidemic of cases of vulvar cancer has been identified in younger Indigenous women living in remote communities in the Northern Territory (NT). Vulvar cancer is over fifty times more common in women aged less than 50 years in these communities than in the total Australian population. Women in these ....Vulvar cancer is a rare disease; in 1993-1997 the age-adjusted incidence rate in Australia was 1.4 per 100,000 women (average 207 cases per year), similar to the incidence in most other countries. An epidemic of cases of vulvar cancer has been identified in younger Indigenous women living in remote communities in the Northern Territory (NT). Vulvar cancer is over fifty times more common in women aged less than 50 years in these communities than in the total Australian population. Women in these communities also experience higher rates of high-grade Vulvar Intraepithelial Neoplasia (a pre-cursor to vulvar cancer), than elsewhere in the NT. Vulvar cancer is usually much more common in older women than younger women. In young women vulvar cancer and VIN are thought to be caused by infection with cancer causing strains of human papillomavirus (HPV), particularly the strain known as HPV16. In older women, vulvar cancer is not caused by HPV. In the remote communities in the NT, vulvar cancer is occurring almost entirely in young women, the amount of cancer occurring in older women in these communities is similar to the amount expected in the total Australian population. This project will investigate the cause of this epidemic of vulvar cancer and high-grade VIN. It will investigate whether HPV16 is more prevalent in these communities than elsewhere in Australia; whether there is a variant strain of HPV16 in these communites that is more virulent at causing cancer, and whether the disease occurs more commonly in families, which would mean that women in these communities inherit an increased susceptibility to vulvar cancer and VIN. This project will help to increase our understanding of vulvar cancer and VIN, help to control this epidemic, and inform whether the new HPV vaccines may be effective in preventing vulvar cancer in these communities.Read moreRead less
N-3 LCPUFA Supplementation In Pregnancy To Reduce Allergies In Early Childhood
Funder
National Health and Medical Research Council
Funding Amount
$813,423.00
Summary
Over the last 20 years there has been a dramatic increase in allergic diseases in Australia as well as many other industrialised countries. This may be due to changes in our environment or diet. Over this period of time there has also been an increase in the dietary intake of n-6 fatty acids from vegetable oils and a corresponding decline in the intake of n-3 fatty acids from fish. Studies now indicate that there is a plausible link between these dietary changes and allergic diseases. Furthermor ....Over the last 20 years there has been a dramatic increase in allergic diseases in Australia as well as many other industrialised countries. This may be due to changes in our environment or diet. Over this period of time there has also been an increase in the dietary intake of n-6 fatty acids from vegetable oils and a corresponding decline in the intake of n-3 fatty acids from fish. Studies now indicate that there is a plausible link between these dietary changes and allergic diseases. Furthermore, emerging data suggest that the potential benefits of increasing n-3 fatty acids may be greatest during pregnancy and before allergic responses are established. Our project aims to minimise allergies in children from families where at least one parent has an allergy. We will assess whether dietary n-3 fatty acid supplementation of pregnant women will result in fewer children with allergies at 1 and 3 years of age. If the proposed intervention is successful, it would be a safe, cheap, acceptable and effective strategy to prevent allergies in children at high risk.Read moreRead less
Longitudinal Study Of Modifiable Influences For The Development Of Harmful Young Adult Alcohol Use And Related-problems.
Funder
National Health and Medical Research Council
Funding Amount
$1,484,496.00
Summary
Young adulthood is a time of high vulnerability for alcohol use problems that are the major preventable contributor to death and injury in this age period. This 5-year project will identify modifiable influences in adolescence and young adulthood that contribute to harmful alcohol use. A cohort of almost 3,000 young people initially recruited in Victoria in 2002 (aged 11 to 15) will be followed for two further waves of data collection in 2010-11 (age 19 to 23) and 2012-13 (age 21 to 25).
Is High-school Screening For Hereditary Haemochromatosis Acceptable And Feasible?
Funder
National Health and Medical Research Council
Funding Amount
$728,573.00
Summary
Hereditary haemochromatosis (HH) is a preventable adult onset genetic iron overload disorder. In this research project we will offer senior high school students the opportunity to be tested for their risk of developing HH. Testing will be by a painless cheek brush test. Using questionnaires and interviews we will assess the psychological impact on the students. We will also assess whether those who are at increased risk of HH take steps to prevent disease.
VITATOPS Study - A Randomised, Double-blind, Placebo-controlled Trial Of Vitamins To Prevent Stroke.
Funder
National Health and Medical Research Council
Funding Amount
$1,477,963.00
Summary
Stroke is one of the most important causes of death and long-term disability in developed countries. Hardening of the arteries (atherosclerosis) is the major cause of stroke and heart attacks. High blood pressure, high blood concentrations of cholesterol, cigarette smoking and diabetes accelerate the formation of atherosclerosis, but they do not account for all strokes and heart attacks caused by atherosclerosis. There is now increasing evidence that high blood concentrations of homocysteine, a ....Stroke is one of the most important causes of death and long-term disability in developed countries. Hardening of the arteries (atherosclerosis) is the major cause of stroke and heart attacks. High blood pressure, high blood concentrations of cholesterol, cigarette smoking and diabetes accelerate the formation of atherosclerosis, but they do not account for all strokes and heart attacks caused by atherosclerosis. There is now increasing evidence that high blood concentrations of homocysteine, a normal protein in the blood, are another major causal risk factor for atherosclerosis (and stroke and heart attacks). Furthermore, blood concentrations of homocysteine can be lowered by about one quarter with simple, safe and inexpensive multivitamin therapy (folic acid, vitamin B12, and vitamin B6). However, despite the potentially massive public health benefits of such a strategy, it remains to be demonstrated in properly designed clinical trials that lowering homocysteine levels in the blood actually prevents stroke and heart attack. The VITATOPS trial is the only ongoing randomised, double-blind, placebo-controlled trial in the world which aims to determine whether multivitamin therapy (folic acid 2 mg, vitamin B12 0.5 mg, and vitamin B6 25 mg) prevents recurrent stroke and heart attacks in patients who have suffered a recent stroke.Read moreRead less
The Immunogenicity Of 7-valent Pneumococcal Conjugate Vaccine In Sick Elderly People For Whom Vaccine Is Not Registered
Funder
National Health and Medical Research Council
Funding Amount
$443,800.00
Summary
The bacteria pneumococcus (also known as streptococcus pneumoniae) is the most common cause of pneumonia in the community, and a major cause of illness and death in the elderly. Rates of antibiotic resistance are also increasing. The pneumococcus is a complex bacteria, with over 80 known serotypes. Most human disease in Australia is caused by 23 of these serotypes. Australia has an ageing population. The health and wellbeing of the elderly has been identified as a national priority. Vaccination ....The bacteria pneumococcus (also known as streptococcus pneumoniae) is the most common cause of pneumonia in the community, and a major cause of illness and death in the elderly. Rates of antibiotic resistance are also increasing. The pneumococcus is a complex bacteria, with over 80 known serotypes. Most human disease in Australia is caused by 23 of these serotypes. Australia has an ageing population. The health and wellbeing of the elderly has been identified as a national priority. Vaccination and prevention of serious infections, a common cause of illness in the elderly, is an achievable public health goal. The National Health and Medical Research Council (NHMRC) of Australia recommends that adults aged 65 years and over should be immunised with 23-valent polysaccharide pneumococcal vaccine (PPV). PPV has been available long term in Australia, but the dilemma associated with its use is that it is least effective in those at greatest risk of pneumococcal disease and its complications, the sick elderly population. A new 7-valent pneumococcal conjugate vaccine (PCV-7) has been available since the end of 2000, but is currently indicated only for children, because it has never been tested in adults. This vaccine uses different technology, and is conjugated to a protein to make it more effective. Clinicals trials of PCV7 have largely been limited to children aged 0-4 years, and have shown it protects 93.9% of children under 2 years of age against invasive pneumococcal disease (IPD). Our study aims to look at the efficacy of this new vaccine, currently only registered for children, in the sub-group of the population who are at highest risk for pneumococcal disease - hospitalised elderly. We will vaccinate hospitalised elderly people with PCV or PPV and compare their immune response to the two different vaccines. If PCV is more effective than PPV, this has implications for the development and use of conjuagated pneumococcal vaccines for adults.Read moreRead less
Indigenous Community Action To Reduce Harms Associated With Heavy Cannabis Use In Cape York
Funder
National Health and Medical Research Council
Funding Amount
$814,163.00
Summary
Cape York Indigenous communities together with Queensland Police, are working to reduce cannabis availability. Community leaders report that cannabis use is widespread in their communities with associated problems such as violence, mental illness and economic hardship. This project will deliver tailored strategies to reduce the demand for cannabis whilst providing support and education about the effects of cannabis and reasons to avoid using it over a three year period.
Environmental And Metabolic Influences On Musculoskeletal And Other Diseases In A Cohort Of Elderly Women
Funder
National Health and Medical Research Council
Funding Amount
$840,575.00
Summary
Osteoporosis is a largely preventable disease yet 1 in 10 Australians have osteoporosis. Every year >64,000 osteoporotic fractures occur, which is one every 8.1 minutes and women are three times as likely to have the disease than men. The Bone and Calcium Research Group at the University of Western Australia, has been monitoring a cohort of elderly women for since 1998. This study is called the Calcium Intake Fracture Outcome Study or CAIFOS. 1,500 women were recruited to study whether a dail ....Osteoporosis is a largely preventable disease yet 1 in 10 Australians have osteoporosis. Every year >64,000 osteoporotic fractures occur, which is one every 8.1 minutes and women are three times as likely to have the disease than men. The Bone and Calcium Research Group at the University of Western Australia, has been monitoring a cohort of elderly women for since 1998. This study is called the Calcium Intake Fracture Outcome Study or CAIFOS. 1,500 women were recruited to study whether a daily calcium supplement for 5 years helps to prevent fractures compared to a diet without a supplement. Each year the study participants are reviewed and asked whether or not they have broken any bones and have other measurements to monitor their bone and cardiovascular health and cognitive function. The subjects will end the treatment phase in 2003 and they will find out the results of the study. More than 93% are interested in being followed for a further 5 years, where they will be contacted every 6 months and asked questions about their general health including information on fracture, hospital visits and changes in medication use. The subjects will have a clinic visits at 2 and 5 years post treatment. With the ongoing collection of adverse event data and metabolic and environmental data from the first phase of the study, we will be able to examine the metabolic and environmental factors that influence musculoskeletal, cardiovascular and mental health. This is important to determine how we can prevent disease to maintain the quality of life and independence in the elderly, a growing segment of the population.Read moreRead less