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Optimal Duration Of Neoadjuvant Androgen Deprivation Therapy In Localised Prostate Cancer Treated By Radiotherapy
Funder
National Health and Medical Research Council
Funding Amount
$422,335.00
Summary
The 96.01 trial aims to find out whether androgen deprivation (AD) administered prior to and during radiotherapy (i.e., neo-adjuvant AD) will improve outcomes in patients with locally advanced prostate cancer that is considered inoperable and is treated for cure by radiotherapy. The trial also aims to find out whether six months AD produces outcomes superior to those achieved by three months AD. The trial has been running since 1996 and involves 802 men who attend 19 cancer treatment centres acr ....The 96.01 trial aims to find out whether androgen deprivation (AD) administered prior to and during radiotherapy (i.e., neo-adjuvant AD) will improve outcomes in patients with locally advanced prostate cancer that is considered inoperable and is treated for cure by radiotherapy. The trial also aims to find out whether six months AD produces outcomes superior to those achieved by three months AD. The trial has been running since 1996 and involves 802 men who attend 19 cancer treatment centres across Australia and New Zealand. It would not have been possible without the continuous funding support of the NHMRC. So far this trial has shown that AD does prevent prostate cancer from returning after radiotherapy. This is very important because the need for treatment of recurrent cancer (usually AD for the rest of the patient's life) is halved by 6 months AD compared to standard treatment (radiotherapy alone). However, it is now necessary to observe the patients in this trial for another 5 years to find out whether AD also prolongs life, and whether 6 months AD is more effective than 3 months. Further patient follow up is also necessary to identify whether some men respond better to treatment than others. This is very important because it will enable treatment to be tailored to individual patients, in particular those who require more treatment than is given in this trial. This funding application is therefore to enable patient follow up on this large scale trial for another 5 years.Read moreRead less
Optimal Duration Of Neoadjuvant Androgen Deprivation Therapy In Localised Prostate Cancer
Funder
National Health and Medical Research Council
Funding Amount
$275,000.00
Summary
Each year approximately 8000 men in Australia and New Zealand develop prostate cancer which has not spread widely and which is amenable to attempted cure by surgery or radiation. Prostate cancer depends for its growth on the male hormone, testosterone, which circulates in the blood. As a result treatment which reduces testosterone level ('androgen deprivation' [AD] therapy) can produce shrinkage of prostate cancer. In fact AD has caused temporary but valued relief to millions of men with cancer ....Each year approximately 8000 men in Australia and New Zealand develop prostate cancer which has not spread widely and which is amenable to attempted cure by surgery or radiation. Prostate cancer depends for its growth on the male hormone, testosterone, which circulates in the blood. As a result treatment which reduces testosterone level ('androgen deprivation' [AD] therapy) can produce shrinkage of prostate cancer. In fact AD has caused temporary but valued relief to millions of men with cancer of the prostate that has spread throughout the body for the last five decades, worldwide. It remains uncertain however whether AD administered before surgery or radiation will benefit any of the 8000 men each year who develop localised cancer by shrinking the cancer first. In 1996 a trial involving 800 men across Australia and New Zealand commenced under the auspices of the Trans-Tasman Radiation Oncology Group (TROG) to answer the questions: 1 - Does either 3 or 6 months AD prior to radiotherapy reduce the chances of recurrence of the cancer after radiotherapy? 2 - Does such therapy reduce the volume of tissue requiring radiotherapy and hence the chances of long term side effects after radiotherapy? This grant will support collection of follow-up information from the trial and hence answers to the questions asked.Read moreRead less
Cancers of the skin are the most common tumours in humans, and their diagnosis and treatment impose the largest costs on Australia’s cancer budget. While much has been learned about the roles of sunlight and skin type as risk factors for skin cancer, relatively little is known about the genes conferring risk. This study will compare the genetic profiles of over 6000 patients with skin cancer to 3000 people without skin cancer to pinpoint the genes responsible for skin cancer.
Value Of Androgen Deprivation And Bisphosphonate Therapy In Patients Treated By Radiotherapy For Limited Prostate Cancer
Funder
National Health and Medical Research Council
Funding Amount
$1,757,375.00
Summary
Prostate cancer depends for its growth on the male hormone, testosterone, which circulates in the blood. As a result treatment which reduces testosterone level ('androgen deprivation'[AD] therapy) can produce clinically important shrinkage of prostate cancer. Each year approximately 4000 men in Australia and New Zealand develop prostate cancer which has not spread widely and which is amenable to attempted cure by surgery or radiation. Results from recent trials, including a large trial run in Au ....Prostate cancer depends for its growth on the male hormone, testosterone, which circulates in the blood. As a result treatment which reduces testosterone level ('androgen deprivation'[AD] therapy) can produce clinically important shrinkage of prostate cancer. Each year approximately 4000 men in Australia and New Zealand develop prostate cancer which has not spread widely and which is amenable to attempted cure by surgery or radiation. Results from recent trials, including a large trial run in Australia and New Zealand by the Trans-Tasman Radiation Oncology Group (TROG) between 1996 and 2000, suggest that 6 months AD will benefit many of these men if administered in conjunction with radiotherapy.The aim of this project is to run a further trial to find out whether 12 months of AD, after radiotherapy will prevent the need for further treatment and prolong more lives than only 6 months AD. Bisphosphonate treatment also offers important benefits to prostate cancer patients because it can increase bony stregth by increasing its density and can also arrest cancerous growth in bones. A further aim of the trial therefore is to determine whether 18 months of bisphosphonate therapy (BP) will prevent bone loss (osteoporosis) caused by AD, and also further reduce the risk of secondary bone cancer developing. This trial will involve recruitment of 1000 men across Australia and New Zealand over a 5 year period. When complete the trial will determine whether further treatment can be delayed and life prolonged in up to half of all men in whom treatment presently fails. This grant will support collection of patient data and the necessary quality checks to ensure that reliable conclusions can be drawn.Read moreRead less
Role Of Brm In Skin Tumour Progression From Benign To Malignant
Funder
National Health and Medical Research Council
Funding Amount
$457,267.00
Summary
Australia has the highest incidence of skin cancer in the world. Skin cancer is 3 times as common as all other cancers combined and continues to increase in incidence, particularly in the aging population. Skin cancer is caused by exposure to the ultraviolet radiation found in sunlight. Ultraviolet radiation causes the appearance of solar keratosis, or sunspots, benign lesions that are not particularly dangerous to human health. Some of these develop into malignant squamous cell carcinomas that ....Australia has the highest incidence of skin cancer in the world. Skin cancer is 3 times as common as all other cancers combined and continues to increase in incidence, particularly in the aging population. Skin cancer is caused by exposure to the ultraviolet radiation found in sunlight. Ultraviolet radiation causes the appearance of solar keratosis, or sunspots, benign lesions that are not particularly dangerous to human health. Some of these develop into malignant squamous cell carcinomas that can spread to other tissues and are potentially fatal. Little is known about the biological mechanisms involved in solar keratosis development into squamous cell carcinomas. We have identified the gene brm as being involved in this process. It has not previously been recognised that this gene is important for skin cancer development and therefore our preliminary studies have identified a potential new target. We will study the role of this gene in ultraviolet radiation induced skin carcinogenesis, determine whether it is mutated by ultraviolet radiation in human skin cancer, and what role in plays in some key biological processes in skin cancer development. This study will expand our understanding of malignant conversion during human skin carcinogenesis, the most prevalent human cancer in Australia.Read moreRead less
A Phase III Trial Comparing Adjuvant Versus Salvage Radiotherapy For High Risk Patients Post Radical Prostatectomy
Funder
National Health and Medical Research Council
Funding Amount
$819,138.00
Summary
About half of all patients Treated with an operation to remove their prostate cancer have a high chance of the cancer coming back. Giving immediate radiotherapy to all patients will improve cure rates but does not benefit all men and can cause significant side effects. This study explores whether it is safe to wait and only give radiotherapy when there is a rising PSA after surgery indicating active cancer. A total of 470 men from Australasia will enter this study comparing the two approaches.
Radiotherapy Treatment For Prostate Cancer - A Change In Practice Based On Direct Evidence For Targeting And Toxicity Effects Using Real Outcomes Data
Funder
National Health and Medical Research Council
Funding Amount
$555,129.00
Summary
Radiotherapy for prostate cancer treatment will be more effective when we have better knowledge of what patient anatomy needs to be targeted, and what needs to be avoided. This project will combine data collected during a large Australasian prostate cancer radiotherapy trial, ‘RADAR’, with data collected using new patient imaging methods to determine how patient anatomy impacts on the effectiveness of their treatment and the side-effects they experience.
A Clinical Trial To Determine The Optimal Timing Of Androgen Deprivation In Relapsed Or Non-curable Prostate Cancer
Funder
National Health and Medical Research Council
Funding Amount
$627,600.00
Summary
The aim of the study is to clarify when is the optimal time to start hormone treatment for men with certain stages of prostate cancer. It has long been known that testosterone removal impedes prostate cancer growth, although not permanently. The removal of testosterone, however, has side effects , including loss of libido, hot flushes, weight gain, and in the longer term osteoporosis, loss of muscle bulk and mental changes such as loss of memory. Any benefit to be gained for a patient must there ....The aim of the study is to clarify when is the optimal time to start hormone treatment for men with certain stages of prostate cancer. It has long been known that testosterone removal impedes prostate cancer growth, although not permanently. The removal of testosterone, however, has side effects , including loss of libido, hot flushes, weight gain, and in the longer term osteoporosis, loss of muscle bulk and mental changes such as loss of memory. Any benefit to be gained for a patient must therefore be weighed against these side effects. This is particularly relevant in situations in which cure is not possible, when the aim of treatment should be to manage symptoms (either by preventing or delaying them or treating them as they arise). There are two situations in which a man may be diagnosed as having active prostate cancer but be without symptoms requiring immediate treatment. The first is after the failure of curative treatment, shown by the presence of prostate specific antigen (PSA) in the blood, but without any other evidence of prostate cancer. The second is a man newly diagnosed with asymptomatic prostate cancer, but with other reasons (such as heart disease) which make an attempt at cure inappropriate. We do not know in either case whether or not men live longer if treatment is started immediately, or whether it is reasonable to wait until symptoms develop, thus potentially postponing the side effects of treatment. The trial will therefore include these two groups of men. Half the men will be randomised to receive immediate treatment, and half to treatment starting when symptoms develop, or when there is evidence of progressive disease. The main endpoint is overall survival, balanced against quality of life and side effects from the disease and treatment. The hypothesis is that early treatment will improve survival with acceptable effects on quality of life.Read moreRead less