A Randomized Placebo-controlled Trial Of A Herbal Preparation In Functional Dyspepsia:
Funder
National Health and Medical Research Council
Funding Amount
$643,680.00
Summary
Functional dyspepsia is characterisd by relapsing upper abdominal symptoms (pain, early satietation, fullness, bloating) without identifiable cause if routine diagnostic measures are utilised. This condition is highly prevalent affecting between 10 and 25 % of the population and causes substantial costs to the society due to medical consultations, diagnostic work-up and treatment. So far, treatments with chemically defined medication are disappointing with only a small proportion of patients exp ....Functional dyspepsia is characterisd by relapsing upper abdominal symptoms (pain, early satietation, fullness, bloating) without identifiable cause if routine diagnostic measures are utilised. This condition is highly prevalent affecting between 10 and 25 % of the population and causes substantial costs to the society due to medical consultations, diagnostic work-up and treatment. So far, treatments with chemically defined medication are disappointing with only a small proportion of patients experiencing sufficient relief. More recently, some herbal preparations have been tested in Europe in clinical trials and found to be effective, but comparisons with chemically defined treatments. However, data from Australia are lacking. In addition no study has been conducted so far that assessed and compared the cost-efficacy of a herbal preparations and a chemically defined treatment. Thus this project aims to assess and compare the effects of a standardised herbal preparation (STW-9) and-or a proton pump inhibitor on the relief of symptoms and the cost-efficacy in patients suffering from functional dyspepsia. In addition, we will assess whether there is an association between the clinical response (complete or substantial improvement of symptoms) and the symptom pattern, the changes of the sensitivity of the stomach (as assessed with a standardised nutrient challenge) and we will elucidate the role of specific receptor channels called Transient Receptor Potential (TRP) channels that are involved in the manifestation of abdominal sysmptoms such as pain or discomfort. This study will establish the cost-efficacy of a standardised herbal preparation (as compared to the stablshed treatment standard), allows to identify subgroups of patients who will most likely respond to therapy and gain insights into the underlying mechanisms. Thus, this study bears the potential to substantially improve the quality of care and cost efficacy of treatment of patients with this highly prevalent disease.Read moreRead less
Determining The Synergistic Effects Of Complementary Medicines On Pro-inflammatory Cytokines,
Funder
National Health and Medical Research Council
Funding Amount
$290,412.00
Summary
Diseases like influenza, commonly called ‘the flu’, produce symptoms such as fever, headaches, lethargy and lack of appetite. What most people don’t realise is that it is not the influenza virus that produces these symptoms, but the body’s immune response to the influenza virus. This immune response comes about because the influenza virus stimulates cells to produce molecules called cytokines, and cytokines have many effects in the body, including causing fever and a lack of appetite. In severe ....Diseases like influenza, commonly called ‘the flu’, produce symptoms such as fever, headaches, lethargy and lack of appetite. What most people don’t realise is that it is not the influenza virus that produces these symptoms, but the body’s immune response to the influenza virus. This immune response comes about because the influenza virus stimulates cells to produce molecules called cytokines, and cytokines have many effects in the body, including causing fever and a lack of appetite. In severe infections like those caused by the influenza virus responsible for the pandemic of 1918, and during “bird ‘flu” (H5N1) infections, people die because the immune response becomes overwhelming. Cytokines produced during these sorts of responses are actually very harmful, even though in small amounts they help to kill the virus and cure the infection. Researchers working in this field have likened these severe responses to a “cytokine storm”. This project focusses on finding alternative therapies such as those used in Chinese medicine to prevent a cytokine storm happening, so that if an influenza pandemic occurs these treatments could be quickly made available to everyone. Examples are the Chinese herbs Angelica sinensis and Salvia miltiorrhiza. Recent laboratory studies in New York have shown that both of these herbs have potent cytokine effects, decreasing levels of an inflammatory cytokine known to be associated with death in both malaria and sepsis. Our study aims to closely examine the effects of these Chinese herbs, as well as other commercially available herbal extracts, and traditional combinations of herbs, to find synergies between them that could be used to treat severe influenza infections.Read moreRead less
Alternative Medicines From Medicinal Plants Of Aboriginal People Of Northern New South Wales
Funder
National Health and Medical Research Council
Funding Amount
$150,400.00
Summary
This research will conserve customary Australian Aboriginal knowledge of historical and cultural significance and apply this knowledge to the discovery of new evidence-based alternative medicines that may help address the growing need for new antimicrobial treatments. It will also be a model for collaboration between Australian Aboriginal communities and research scientists. The customary (traditional and contemporary) knowledge of medicinal plants possessed by Indigenous peoples is a significan ....This research will conserve customary Australian Aboriginal knowledge of historical and cultural significance and apply this knowledge to the discovery of new evidence-based alternative medicines that may help address the growing need for new antimicrobial treatments. It will also be a model for collaboration between Australian Aboriginal communities and research scientists. The customary (traditional and contemporary) knowledge of medicinal plants possessed by Indigenous peoples is a significant medicinal resource, as seen by the reliance on customary medicines by ~80% of the population in developing countries as their primary healthcare. There has been a renewed interest in customary medicines, especially with the increase in microbial resistance and emergence of new diseases, side effects of single compound medications and high cost of drug development. Australian Aboriginal people have a vast medicinal plant knowledge based on thousands of years of using plants as medicines. This especially includes topical use for conditions indicative of microbial infections. Despite their potential, relatively few studies have been conducted on Australian Aboriginal medicines to provide evidence for their use. For Northern New South Wales (NNSW) Aboriginal communities, as is the case for many other Australian Aboriginal communities, this customary knowledge is rapidly disappearing, especially due to premature deaths of the elder custodians of this knowledge. The overall aims of this project are to work in partnership with the NNSW Yaegl Local Aboriginal Land Council and Ulgundahi Elders Aboriginal Corporation to i) document and preserve first hand customary medicinal plant knowledge; ii) identify plants of significant medicinal potential in treating antibacterial and antifungal infections; iii) evaluate their effectiveness using in vitro and in vivo biological assays; and iv) identify the major bioactive components responsible for their medicinal properties.Read moreRead less
Clinical And Physiological Evaluation Of Chinese Herbal Medicine For Constipation Predominant Irritable Bowel Syndrome
Funder
National Health and Medical Research Council
Funding Amount
$592,705.00
Summary
This innovative study examines the effectiveness, safety and mechanisms of action of a complex Chinese herbal medicine (CHM) for irritable bowel syndrome (IBS). IBS is the most common chronic medical disorder of the digestive tract with 10% prevalence in the Australian population. Characterised by abdominal pain and altered bowel habits, it significantly affects quality of life and has major socioeconomic implications. IBS is increasingly recognized as a complex multi-factorial condition with ps ....This innovative study examines the effectiveness, safety and mechanisms of action of a complex Chinese herbal medicine (CHM) for irritable bowel syndrome (IBS). IBS is the most common chronic medical disorder of the digestive tract with 10% prevalence in the Australian population. Characterised by abdominal pain and altered bowel habits, it significantly affects quality of life and has major socioeconomic implications. IBS is increasingly recognized as a complex multi-factorial condition with psychogenic, hormonal and immune components. It is poorly addressed by current pharmaceutical treatments. Medical treatment of IBS remains unsatisfactory, with incomplete benefits offered by a single drug approach. The multi-factorial nature of IBS renders it an ideal candidate for evaluation with a more complex mix of low dose agents offered by herbal medicine. Specifically, CHMs by their complex chemical nature have substantial potential in the treatment of IBS because of their range of physiological effects on both bowel function and the central nervous systems We will perform a clinical trial of 8 weeks to determine the effectiveness of a chemically standardised CHM preparation in 160 patients with constipation predominant IBS patients compared to an identical placebo (sham). This project builds on our previous studies that demonstrated an effectiveness of CHM for IBS superior to current interventions. We’ve validated methods to ensure chemical standardisation of herbal medicines; validated approaches to psychosocial assessment of cognitive and behavioural changes in IBS patients; and have validated physiological, mechanistic evaluation of the lower bowel in response to treatment. The significance of the current proposal lies in its ability to provide a standardised, multi-component CHM (8 herbs) for the comprehensive clinical evaluation of the efficacy and safety of this type of therapy for IBS, and to provide insight into the relevant mechanisms of action. This project draws together the unique skills and previous studies from the Centre for Complementary Medicine Research (UWS), and the Gastrointestinal Investigation Unit of RNSH, USYD. This innovative project is medically important because it addresses a common gastrointestinal disorder with high socioeconomic implications for which conventional western medicine has failed to produce a cure or adequate palliative treatment.Read moreRead less