Current pharmaceutical design
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Etomidate is a well established intravenous anaesthetic agent which has been widely used. Recognised limitations of the agent include adrenocortical suppression, myoclonus and post-operative nausea and vomiting, PONV. ⋯ Adrenocortical depression is minimised either by ester hydrolysis or by structural change to the etomidate molecule. Potential limitations include the yet to be determined incidence of myoclonus and PONV if these new agents are administered to humans.
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Thanks to the recent advances in cancer care, more and more young women can survive but suffer from infertility as a result of cancer treatment that had to be submitted. There are a variety of methods to preserve fertility, as chemoprotection, ovariopexy, and some assisted reproductive technologies, although some of these are promising but still highly experimental techniques. ⋯ Although in recent years there has been major improvements in the preservation of ovarian tissue, there are still many unresolved technical issues related to these procedures. In this chapter we examine the recent evidence of the pathophysiology of chemotherapy / radiotherapy-induced gonadal toxicity, and recent data regarding the indications and results of the techniques used to preserve fertility in women with cancer.
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3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors are primarily used to treat dyslipidemia. Yet, these medications have a number of additional important pleiotropic properties that confer patient benefit in terms of reduced cardiovascular morbidity. Investigators have reported that statins may be underutilized in patients undergoing cardiac surgical procedures. ⋯ Mechanisms for statin's demonstrated benefit include improved endothelial function, antiinflammatory properties and stabilization of atherosclerotic plaque. While there are well-recognized side effects to statin therapy, its beneficial impact on patient cardiovascular outcomes is clear. Further research is necessary to determine specific patients who would best benefit from preoperative statin therapy, the dose and duration of therapy prior to surgical interventions and the influence of administration following surgery.
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Identifying biological and clinical markers of treatment response in depression is an area of intense research that holds promise for increasing the efficiency and efficacy of resolving a major depressive episode and preventing future episodes. Collateral benefits include decreased healthcare costs and increased workplace productivity. Despite research advances in many areas, efforts to identify biomarkers have not revealed any consistently validated candidates. ⋯ We propose that an integrated study of a range of biomarker candidates from across different modalities is required. Furthermore, advanced mathematical modeling and pattern recognition methods are required to detect important biological signatures associated with treatment outcome. Through an informatics-based integration of the various clinical, molecular and imaging parameters that are known to be important in the pathophysiology of depression, it becomes possible to encompass the complexity of contributing factors and phenotypic presentations of depression, and identify the key signatures of treatment response.
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The therapeutic action of opioid analgesics is compromised by peripheral adverse effects among which opioid-induced constipation (OIC) is the most disabling, with a prevalence reported to vary between 15 and 90 %. Although OIC is usually treated with laxatives, there is insufficient clinical evidence that laxatives are efficacious in this indication. In contrast, there is ample evidence from double- blind, randomized and placebo-controlled trials that peripheral opioid receptor antagonists (PORAs) counteract OIC. ⋯ While the addition of naloxone to oxycodone seems to act by preventing OIC, the intermittent dosing of methylnaltrexone every other day seems to stimulate defaecation by provoking an intestinal withdrawal response. The availability of PORAs provides a novel opportunity to specifically control OIC and other peripheral adverse effects of opioid analgesics (e.g., urinary retention and pruritus). The continuous dosing of a PORA has the advantage of few adverse effects, while intermittent dosing of a PORA can be associated with abdominal cramp-like pain.