335 research outputs found

    Why licensing authorities need to consider the net value of new drugs in assigning review priorities: Addressing the tension between licensing and reimbursement

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    Pharmaceutical regulators and healthcare reimbursement authorities operate in different intellectual paradigms and adopt very different decision rules. As a result, drugs that have been licensed are often not available to all patients who could benefit because reimbursement authorities judge that the cost of therapies is greater than the health produced. This finding creates uncertainty for pharmaceutical companies planning their research and development investment, as licensing is no longer a guarantee of market access. In this study, we propose that it would be consistent with the objectives of pharmaceutical regulators to use the Net Benefit Framework of reimbursement authorities to identify those therapies that should be subject to priority review, that it is feasible to do so and that this would have several positive effects for patients, industry, and healthcare systems

    The benefits of individual versus group work in a biology based laboratory setting

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    Laboratory science classes and group work are almost inextricably linked in student college life today. The merits of both are extolled by both educators and future employers as a fundamental part of a rounded qualified graduate. However, there is little evidence to the contrary, particularly in laboratory based programs. This study aims to determine the students’ perception of the benefits of different working scenarios in a biological laboratory setting. The study followed 32 students in their third year of their college program working in three different biology based laboratory classes. During each of these laboratory classes the students either worked alone, worked with a preferred partner or worked with an assigned partner. The students were asked to grade their experiences in a survey. The students were asked to reflect on the following areas: enjoyment of experience, understanding of activities, laboratory technique and time efficiency. Mixed modal analysis of variance and pair-wise analyses were used to determine significance between the differing work group scenarios. The laboratory group make-up had no impact on the student enjoyment of the laboratory class. There was also no significant impact on the students’ ability to perform the laboratory exercise in a time efficient manner. The analysis did however indicate that students who work alone or with their preferred partner have a greater understanding of the subject matter against those who worked with an assigned partner. The results also suggest that students who worked alone had significantly improved laboratory technique compared to student working in a group

    Fewer Mistakes on the First Day: Architectural Strategies and Their Impacts on Acquisition Outcomes

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    Tenth Annual Acquisition Research Symposium Acquisition ManagementExcerpt from the Proceedings of the Tenth Annual Acquisition Research Symposium Acquisition ManagementNaval Postgraduate School Acquisition Research ProgramPrepared for the Naval Postgraduate School, Monterey, CANaval Postgraduate School Acquisition Research ProgramApproved for public release; distribution is unlimited

    Using rank data to estimate health state utility models

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    In this paper we report the estimation of conditional logistic regression models for the Health Utilities Index Mark 2 and the SF-6D, using ordinal preference data. The results are compared to the conventional regression models estimated from standard gamble data, and to the observed mean standard gamble health state valuations. For both the HUI2 and the SF-6D, the models estimated using ordinal data are broadly comparable to the models estimated on standard gamble data and the predictive performance of these models is close to that of the standard gamble models. Our research indicates that ordinal data have the potential to provide useful insights into community health state preferences. However, important questions remain

    Ophthalmic manifestations of Cryptococcus gattii species complex: a case series and review of the literature

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    AIM: To report 4 cases of Cryptococcus gattii (C. gattii) species complex infection with diverse ophthalmic manifestations, and to review the literature to examine pathobiology of disease, classical ophthalmic presentations and outcomes, and treatment modalities for this emerging pathogen. METHODS: Cases of C. gattii meningoencephalitis with ophthalmic manifestations were identified via chart review at two institutions in Australia and one institution in the mid-west region of the United States and are reported as a case series. Additionally, a MEDLINE literature review was conducted to identify all reported cases of C. gattii with ophthalmic manifestations from 1990-2020. Cases were reviewed and tabulated, together with our series of patients, in this report. RESULTS: Four cases of C. gattii with ophthalmic manifestations are presented; three from Australia and one from the USA. A literature review identified a total of 331 cases of C. gattii with visual sequelae. The majority of cases occurred in immunocompetent individuals. Blurred vision and diplopia were the most common presenting symptoms, with papilloedema the most common sign, reported in 10%-50% of cases. Visual loss was reported in 10%-53% of cases, as compared to rates of visual loss of 1%-9% in C. neoformans infection. Elevated intracranial pressure, cerebrospinal fluid (CSF) fungal burden, and abnormal neurological exam at presentation correlated with poor visual outcomes. The mainstays of treatment are anti-fungal agents and aggressive management of intracranial hypertension with serial lumbar punctures. CSF diversion procedures should be considered for refractory cases. Acetazolamide and mannitol are associated with high complication rates, and adjuvant corticosteroids have demonstrated higher mortality rates; these treatments should be avoided. CONCLUSION: Permanent visual loss represents a devastating yet potentially preventable sequelae of C. gattii infection. Intracranial hypertension needs to be recognised early and aggressively managed. Referral to an ophthalmologist/neuro-ophthalmologist in all cases of cryptococcal infection independent of visual symptoms at time of diagnosis is recommended

    Rituximab in autoimmune connective tissue disease–associated interstitial lung disease

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    Objective. CTD-associated interstitial lung disease (ILD) often fails to respond to conventional immunomodulatory agents. There is now considerable interest in the use of rituximab in systemic autoimmune CTD in patients refractory to standard treatments. The aim of this study was to review the experience of North Bristol NHS Trust managing patients with CTD-associated ILD with rituximab and explore possible associations with treatment response. Methods. We conducted a retrospective analysis of all patients who received rituximab under the Bristol CTD-ILD service, having failed to respond to other immunomodulatory treatments. Results were collated for pulmonary function and radiological outcomes before and after treatment. Results. Twenty-four patients were treated with rituximab. Their physiological parameters had failed to improve despite other immunomodulatory agents, with a mean change in forced vital capacity (FVC) prior to therapy of − 3.3% (95% CI − 5.6, −1.1) and mean change in diffusing capacity of carbon monoxide of − 4.3% (95% CI − 7.7, −0.9). After rituximab, radiology remained stable or improved for 11 patients, while worsening was observed in 9 patients. The decline in FVC was halted following treatment, with a mean change of + 4.1% (95% CI 0.9, 7.2), while diffusing capacity of carbon monoxide was stable [mean change +2.1% (95% CI − 1.0, 5.2)]. Patients with myositis overlap or antisynthetase syndrome appeared to respond well to treatment, with four patients showing clinically significant improvement in FVC >10%. Conclusion. Rituximab is a therapeutic option in treatment-refractory CTD-associated ILD. Some disease subgroups may respond better than others, however, more work is needed to define its role in managing these patients

    My Road Ahead study protocol: A randomised controlled trial of an online psychological intervention for men following treatment for localised prostate cancer

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    Background: There is a need for psychosocial interventions for men with prostate cancer to promote adaptive coping with the challenges and distress associated with diagnosis, treatment and recovery. In addition, interventions are needed that help to overcome barriers to psychosocial treatment such as limited face-to-face psychosocial support services, a shortage of adequately trained professionals, geographical distance, perceived and personal stigma and a preference for consumer-centric and self-directed learning. My Road Ahead is an online cognitive behaviour therapy (CBT) intervention for prostate cancer. This protocol describes a randomised controlled trial (RCT) that will evaluate the efficacy of this online intervention alone, the intervention in combination with a moderated online forum, and the moderated online forum alone. Methods/design: This study utilises a RCT design with three groups receiving: 1) the 6-module My Road Ahead intervention alone; 2) the My Road Ahead intervention plus a moderated online forum; and 3) the moderated online forum alone. It is expected that 150 men with localised prostate cancer will be recruited into the RCT. Online measures will assess men’s psychological distress as well as sexual and relationship adjustment at baseline, post-intervention, 3 month follow-up and 6 month follow-up. The study is being conducted in Australia and participants will be recruited from April 2012 to Feb 2014. The primary aim of this study is to evaluate the efficacy of My Road Ahead in reducing psychological distress. Discussion: To our knowledge, My Road Ahead is the first self-directed online psychological intervention developed for men who have been treated for localised prostate cancer. The RCT will assess the efficacy of this intervention in improving psychological well-being, sexual satisfaction, relationship satisfaction and overall quality of life. If successful, this intervention could provide much needed support to men receiving treatment for localised prostate cancer in a highly accessible manner
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