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While we need to consume salt, too much can be harmful and is in fact directly linked to ~5% of deaths annually in Australia. We have identified a system in the brain that regulates salt intake. Going forwards we will fully elucidate the pathway(s) implicated in regulation of salt intake, thereby identifying strategies to reduce excessive salt consumption.
Novel Analgesic Approaches: Harnessing Functional Interactions Between Sodium Channels And Opioids
Funder
National Health and Medical Research Council
Funding Amount
$329,076.00
Summary
Chronic pain is a debilitating condition that affects the life of one five Australians and has significant socioeconomic impact. Currently available pain killers often do not work, or have intolerable side effects. We have discovered that combination treatment with opioids and a novel venom-derived compound discovered by us provides effective pain relief. The aim of this project is to understand the mechanisms underlying this synergistic effect to develop new treatment approaches for pain.
Combating Escalating Harms Associated With Pharmaceutical Opioid Use
Funder
National Health and Medical Research Council
Funding Amount
$925,767.00
Summary
Increases in opioid use have been accompanied by increased opioid harms. But there is a lack of population-level evidence about drivers of long-term prescribed opioid use, dependence, overdose and other harms. Using linked data, we will fill these gaps using a cohort of all people in NSW prescribed opioids since 2002, linked to datasets containing information on health, social and health service utilisation, that will permit a comprehensive assessment of the risks of all prescribed opioids.
Pharmaceutical Opioids For Chronic Non-cancer Pain: Evaluating Health Outcomes And Economic Impact Over Five Years
Funder
National Health and Medical Research Council
Funding Amount
$775,922.00
Summary
Chronic non-cancer pain (CNCP) is a major contributor to disability. Increased opioid prescribing for CNCP has produced concern about dependence and overdose in the absence on data on its long-term effectiveness. Novel statistical methods will test causal relationships over 5 years between treatment, outcomes, and costs on 1,514 CNCP patients prescribed opioids. We will answer critical questions on 5-year outcomes, and whether, and for whom, opioids and other clinical interventions reduce costs.
Debilitating anxiety disorders, such as post-traumatic stress disorder or panic disorder, affect 14% of adult Australians and current therapy is often ineffective. The amygdala is a brain region that is key to learning fear responses but also in reducing our fear responses. This project will determine whether the brain’s own endogenous opioids can modify the activity of the amygdala in order to provide new leads for novel pharmacotherapies with enhanced efficacy.
Studies On The Effects Of Endogenous And Exogenous Opioids In Modulating Exercise-induced Dyspnoea In People With Moderate / Severe Chronic Obstructive Pulmonary Disease (COPD). Two Double-blind Randomised, Placebo Controlled Trials.
Funder
National Health and Medical Research Council
Funding Amount
$197,086.00
Summary
There is evidence that morphine-like chemicals made by the body itself help reduce breathlessness. It is not clear whether this response is because of the effects of these morphine-like chemicals on the brain, in the lung or both. This study will help understand where these chemicals act to reduce breathlessness in people with emphysema during exercise. Subsequently, it will also help to understand whether small, regular doses of morphine safely further reduce breathlessness during exercise.
Evaluating The Effect Of Morphine On Obstructive Sleep Apnea
Funder
National Health and Medical Research Council
Funding Amount
$534,303.00
Summary
Prescription opiate poisoning deaths have increased substantially in recent years which may be worsened by population increases in obesity and related obstructive sleep apnea. However, no proper clinical trial has ever investigated the effect of an opiate on obstructive sleep apnea, which is the aim of the proposed trial. The study will be important in understanding ways to reduce opiate realted deaths and may also provide insights into new treatment methods for snoring and sleep apnea.
The First Placebo-controlled Trial Of Opioid Analgesics For Acute Spinal Pain
Funder
National Health and Medical Research Council
Funding Amount
$1,024,067.00
Summary
Despite the widespread and increasing use of opioid analgesics, there is a complete lack of evidence on their efficacy in acute spinal pain. Concerns are also being raised because of the risks of potentially serious adverse events associated with opioid analgesics. In this world-first study, we will establish whether using opioid analgesics can effective reduce pain in people with acute spinal pain and provide rigorous evidence to inform the safe and appropriate use of this medicine.
Improving The Treatment Of Breathlessness – A Phase III Randomised, Controlled Trial Of Sustained Release Morphine For The Symptomatic Treatment Of Chronic Refractory Breathlessness. A Palliative Care Clinical Studies Collaborative Study
Funder
National Health and Medical Research Council
Funding Amount
$902,732.00
Summary
More than 300000 Australians are chronically short of breath at rest or on minimal exertion despite optimal treatment of the underlying causes of their breathlessness, of whom 70000 cannot leave home. No medication in the world is registered to treat this. There is evidence that regular, low dose morphine safely helps breathlessness. This study will help clinicians adjust doses more effectively and understand whether using an additional medication to reduce anxiety helps relieve breathlessness.