1,721,266 research outputs found

    Holgate, S.

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    Holgate, S

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    From "blockbusters" to "biosimilars": An opportunity for patients, medical specialists and health care providers

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    Advances in basic research and research and development plans of pharmaceutical companies are radically changing the kind of available drugs and therapeutic targets. We are switching from predominantly chemical molecules, aimed at treating large populations of patients (blockbuster drugs), to a new generation of products, mostly biotech, aimed at modifying a specific pathogenetic mechanism. In other word we are moving fast to targeted therapy, which represents the first step toward personalized therapy, where the right drug at the right dose is administered to the right person, at the right time. Like the patent expiration of chemical products has corresponded to the development of generic drugs, the expiration of new biotech products will witness the appearance of biosimilars. The latter are biologic products that are highly similar but not identical to the reference medical products in terms of quality, safety and efficacy. This implies specific research, clinical monitoring, physicians updating of knowledge for a safe and appropriate use of these products. We are the beginning of a devolution in patient's care and physicians' practice. © 2012 Elsevier Ltd

    The effects of regular inhaled formoterol and budesonide on preformed Th-2 cytokines in mild asthmatics

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    In a recent placebo-controlled study in mild atopic asthmatics, we observed a significant decrease in eosinophils in the bronchial submucosa, after 2 months oftreatment with inhaled formoterol and budesonide. Biopsy material from each treatment group; formoterol (24 microg bid), budesonide (400 microg b. i. d.) and placebo has been further assessed to investigatethe role of Th-2 cytokines by immunohistochemistry using Mabs to eosinophils as an index of inflammation, IL-4 and IL-5. Treatment with formoterol significantly reduced the number of eosinophils (EG2+) in the submucosa and epithelium, but this was not paralleled by changes in cytokine immunoreactivity In contrast, treatment with budesonide significantly reduced both the number of eosinophils (EG2+) and immunoreactivity for IL-4 and IL-5 in the submucosa. Thus, while budesonide has effects on cytokines involved in eosinophil recruitmentthis explanation does not apply tothe eosinopaenia observed with the long-acting beta2 adrenoreceptor agonist formoterol.</p

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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