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Carisbamate Retention Study (CaReS): Comparative Study on the Long Term Effectiveness, Safety and Tolerability of Carisbamate Compared to Two Other Frequently Prescribed Anti-Epileptic Drugs (AEDs) in Patients With Epilepsy.
This study has resumed recruitment following a protocol amendment. This is a randomized, double-blind, parallel-group, active-comparator, multi-center study. The study consists of 5 phases: pretreatment (screening), double-blind titration phase, double blind maintenance phase, a transition phase, and an open-label phase. Patients who are not eligible or choose not to enter the transition and open-label phases of the study will complete an exit phase following double-blind treatment.The primary outcome variable is long term retention rate and safety of adjunctive therapy with carisbamate vs. topiramate and levetiracetam over a six month period. This primary endpoint is a clinically meaningful measure of efficacy, safety and tolerability over time, reflecting the therapeutic effectiveness of antiepileptic drugs (AEDs). Safety evaluations including adverse event monitoring, blood tests, and vital signs will be conducted throughout the study.The hypothesis is that the 3 study medications at a minimum will have similar treatment retention rates, but based on their distinct efficacy and side effect profiles, will have discernible differences in the rates of selected adverse events and reasons for treatment discontinuation in patients with partial onset seizures. Patients must be on at least 1, but not more than 2, baseline AEDs for 30 days prior to screening. By end of week 8 patients must have reached the following minimum dosages of study drug to be permitted to continue: carisbamate 400 mg/day, topiramate 200 mg/day, or levetiracetam 1000 mg/day. Double-blind phases last approximately 12 months. Carisbamate 800 mg/day, topiramate 300 mg/day and levetiracetam 2000mg/day will be administered orally in two equally divided doses.
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A prospective observational study - understanding the burden of adverse drug reactions and their impact on symptoms at end of life
There is a need to quantify the extent and severity of adverse drug reactions in palliative care to inform intervention strategies to reduce the burden of harm and pharmacovigilance as new drug therapies are introduced for the management of symptoms at end of life. This study will review the case notes of all patients admitted to participating palliative care units over a 3 month period, and then to seek permission to interview 30 participants from each site for symptoms, the burden of the symptoms, medications and health service use from the time of admission until death or end of study in February 2010. 1. To analyse the contribution of adverse drug reactions to referrals to Palliative Care Services 2. To determine the nature and frequency of adverse drug reactions in patients referred to palliative care services 3. To explore the relationship between adverse drug reactions and common symptoms experienced in palliative care 4. To undertake patient interview to determine their experience of adverse drug reactions and their perception of the impact of adverse drug reactions. To describe the resource utilisation of those patients in the subset of patients interviewed with the symptoms and index medicines of interest who experience an adverse drug reaction.
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A pilot study evaluating the effect of platelet transfusion using an electromechanical infusion pump versus conventional gravity flow method
Our current practice at the Launceston General Hospital (LGH) and many centres in Australia is to administer platelets via a free flowing gravity line. However there are a few reports that employ a pump during platelet-administration as an acceptable practice. Administration of platelets via a pump would ensure the platelets are infused in a timely fashion but in the meantime, we should ensure that the pumping action will not damage the platelets. There are 2 pumps currently available on the oncology ward at the LGH and used for red cell transfusion; the Graseby 3000 and the Imed Gemini PC-1 and PC-2 (double pump). Furthermore the pump offers wellcontrolled infusion rate, accurate volume measurement and an alarm system for monitoring infusion. There is very little data, if any, comparing the effect of the above two recognised methods on platelet-increment after transfusion. This pilot study is aiming to determine whether infusion method influences the quality and quantity of platelets transfused. Also to determine the most efficient procedure for the administration of platelets.
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A prospective randomised trial to study the effect of intravenous iron infusion versus oral iron therapy in pre-operative anaemia
Analysis of 175 patients (median age 65 range 53-77 years) who underwent orthopaedic surgery at the Launceston General Hospital (LGH) during the last 4 months revealed that approximately 25-30% of the patients had mild anaemia (Hb>100 g/L and below <140 for males and 120 for females). Unfortunately there is no data regarding haematinics deficiency or amount of blood transfusion in this cohort of patients. Hence the importance of this trial to study all of these factors in Tasmanian patients and provide a solution to this problem. To address this problem and improve health services at LGH, we are aiming to study patients with mild anaemia only (Hb>90 g/L) and have no specific cause for anaemia and randomise them between administration of oral iron therapy or intravenously (i.v.) As common practice we have performed 78 iron infusions at a single centre (Holman Clinic) in 2005 and 48 infusions in the last 6 months without a record of a single case of intolerability. All patients who received i.v. iron infusion preceded by premedications with antihistamine and low dose steroids, did not experience any side effects. In summary, this study is dealing with an important problem which is preoperative mild anaemia in orthopaedic patients which is usually significantly increased in this cohort of patients. Also, we are aiming to overcome exposing this group of patients (with low preoperative Hb) to unnecessary blood transfusion with subsequent hazards/complications of blood transfusion and complications of anaemia. Primary objectives: 1. To study the effect of haematinic replacement on peri-operative mild anaemia (Hb>90 g/L) in order to optimise preoperative haemoglobin level in patients who undergoing elective orthopaedic surgery. 2. To reduce pre, peri and postoperative exposure to allogeneic blood transfusion and hence to avoid its subsequent complications/hazards. Bearing in mind that the current shortage of blood supply might lead to cancellation of this type of elective surgery. Secondary objectives of the study: 1. As a pilot study of the effect of vitamin B12 on erythropoeisis in those patients, who are receiving iron therapy 2. To assess patient outcome, recovery and quality of life 3. To assess the benefits in minimising length of hospital stay 4. To obtain additional information on the transfusion needs of non-anaemic patients, and the relationship to their iron status.
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Quality of life assessment and overall survival in patients with mulitple myeloma after Tandem Autologous Stem Cell Transplantation (ASCT)
To study the Quality of Life Assessed by the European Organization of Reseach and Treatment of Cancer (EORTC) disease spesific module and disease free survival and overall survival in patients with mulitple myeloma after Tandem Autologous Stem Cell Transplantation (ASCT) Assessment of patient: 1. Age and sex. 2. Stage of disease initially and at time of recruitment (according to the World Health Organization (WHO) Myeloma Staging System). 3. Type of myeloma disease (M protein): Paraprotein quantification, Serum free light chains, Bence Jones Protein quantification. 4. Skeletal Survey: documentation of all lytic lesions at time of diagnosis and recruitment. 5. Liver and kidney function, C-reactive protein (CRP), Erythrocyte sedmintation rate (ESR), Beta 2 microglobulin (B2M), serum Calcium will be determined at time of the study, and if possible, traced from time of diagnosis. 6. Bone marrow study will be traced from time of diagnosis and relapse when it is possible with documentation of plasma cell content in the bone marrow. 7. Cytogenetic studies will be offered for the patients during routine marrow test to determine the cytogenetic risk factors including 13q- and translocation t(4,14) and its correlation with disease outcome as per our registered trial ACTRN12609000594224. 8. All previous treatments received and response to each treatment should be documented. Monitoring and assessment of quality of life and pain: Quality of life assessment and symptoms, in particular pain, will be assessed quarterly (after initial assessment) and at the end of the study as per the EORTC quality of life questionnaire (QLQ-C30) with disease specific module. In the case of patient willingness to take part in the study, a written consent will be completed, after which the patient will be formally enrolled in the study. Follow-up will be conducted every 8-12 weeks for the first 24 months after the second stem cell transplant. A clinical assessment form will be filled out at each visit. A full patient profile will be obtained including such detail as medical and drug history, risk factors for multiple myeloma. The patient demographic and physical detail (weight, height etc) will be also measured and recorded. Other routine data and laboratory investigations including kidney and liver function will be recorded. All patients will be counselled that if they decide to withdraw from the study at any time, this will in no way affect their care or procedure at the treatment centre.
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Study of chromosomal abnormalities by fluorescent in-situ-hyberdisation (FISH), and quantitative polymerase chain reaction (qPCR) in Multiple Myeloma patients and correlations with treatment outcomes.
This study aims at evaluating the prognostic value of chromosome 13 deletions as well as t(4,14) as detected by the FISH/qPCR techniques in multiple myeloma patients. The impact of these abnormalities in the context of high-dose therapy (HDT) or conventional therapy will help to identify those patients who would maximally benefit from HDT and those who would be refractory to HDT and might benefit from other therapeutic options. Furthermore, it would be of great value for determining the prognosis of the disease to study the prognostic factors of myeloma, including -13q and t(4;14), at the time of diagnosis, prior to and after transplantation, and at the time of relapse, with special emphasis on the outcome of patients who underwent HDT. Moreover, these data might supply valuable guidance regarding identification and cloning of a MM-tumour suppressor gene.
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The Epi-No trial: Effect of intravaginal balloon device on levator trauma in mothers following childbirth
The EpiNo trial is trialing the use of a commercially available intravaginal balloon device in order to determine whether this device reduces the risk of major pelvic floor trauma at vaginal delivery.
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A pilot study of the role of CD133+ as a cell marker for human haematopoietic stem cells
Therapeutic transplantation of haematopoietic stem cells (HSCs) is an increasing area of interest in medicine. In autologous stem cell transplantation, there is the ability to harvest stem cells soon after chemotherapeutic treatment, and then cryo-preserve and store such cells for stem cell transplantation at a later date. CD34 is the typical cell marker used to identify HSCs for transplantation. There exist certain limitations to CD34+ HSCs which include its expression on cells not capable engraftment, and also on acute leukaemic cells. CD133 is an alternative cell surface marker on HSCs which could prove useful in identifying cells for transplantation. Preliminary research suggests that CD133 is a more primitive marker, which is expressed by early progenitor cell line, and it has the additional advantage of not being expressed on acute leukaemic cells. The Launceston General Hospital is the site for stem cell harvest for the North and North-West of Tasmania. Annually, approximately 20-30 patients undergo stem cell harvest with the aim of later transplantation. This project is a pilot study to evaluate the value of CD133 in addition to the usual marker CD34+ as a cell marker for HSCs while using the current protocol for stem cell harvest. There is currently little data on the validity of CD133 as a HSC marker, and this project, as a part of Master degree at the School of Human Life Sciences at the University of Tasmania, aims to add to the current data and potentially identify the role of CD133 as HSC marker. We are aiming to study 30-50 patients with different haematological malignancies that require stem cell harvest with subsequent stem cell transplantation during a period of 24 months at the LGH, Tasmania. Current numbers of autologous stem cell harvest at a single centre; the LGH are varied between 20 and 30 episodes per year. Our current autologous stem cell harvest-protocol for patients with malignant haematological disorders is employing mobilisation chemotherapy with cyclophosphamide 5g/m2 and subsequent administration of granulocyte colony stimulating factor (G-CSF) subcutaneously daily at a dose of 10mcg/kg body weight (BW) until harvesting sufficient stem cells per transplant defined as at least 2x106 stem cells/Kg BW. We will start to measure both CD 34+ and CD 133+ daily using the flow cytometr (Becton-Dickenson) when the white cell count (WCC) recovers above 1.0/nL post chemotherapy and until the time of stem cell harvest at the Holman Clinic. Thereafter we will measure both markers according to manufacturer reccomendations (with commercially available CD34 and CD133 kits) in the harvest product for each patient. Correlation between the amount of harvested CD 34+/CD133+ cells and patient engraftment will be documented for each patient. Using commercially available kits, we are proposing to study the progenitors cells which express CD133 antigen by flow cytometry technique according to the manufacturer recommendations as a part of the usual daily measurement of CD34+ cells. There is no additional sample will be required from patients and hence this will not expose the participants to any extra burden. Also we are proposing to measure CD133+ in addition to CD34+ stem cells in the stem cell product garnered by the stem cell harvest. Using flow cytometry to study stem cell characteristics in the leukaphoresis product will provide useful information regarding engraftment kinetics. Platelets engraftment is defined as reaching platelet count>20/nL without substitution, while neutrophil engraftment is defined as reaching neutrophil count above>0.5/nL.
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A randomised, single centre, controlled study to assess whether listening to self selected recorded music reduces the anxiety of patients undergoing their first radiotherapy treatment.
The study is the first to investigate whether self selected music, played during the initial radiotherapy session, alters patients’ anxiety states. It uses a randomized, single centre, unblinded design with the outcome measure being the change in state-trait anxiety inventory (STAI) state anxiety score from baseline to post radiotherapy. The study sample size has adequate power to detect a clinically meaningful difference in anxiety between the two treatment arms should treatment be effective. Qualitative data collected after participants' radiotherapy treatments will also elucidate subjective experiences amongst participants receiving radiotherapy with music or standard care radiotherapy.
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Maternal Sleep Health and Foetal Outcomes
The study will investigate the association between sleep-disordered breathing during pregnancy and foetal growth and well-being. It is hypothesised that Obstructive Sleep Apnoea is detrimental to foetal health (acute foetal compromise as evidenced by abnormal cardiotocography (foetal heart rate monitoring) during sleep and impaired foetal growth in late pregnancy).