Current medical research and opinion
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Review Comparative Study
Antiplatelet therapy in patients with ST-elevation myocardial infarction undergoing myocardial revascularisation: beyond clopidogrel.
Despite revascularisation, outcomes among patients presenting with ST-elevation myocardial infarction (STEMI) remain suboptimal. ⋯ Future studies also need to address several other outstanding issues, such as the subsequent approach if patients do not undergo PCI, and to overcome limitations in and differences between the primary studies. In particular, head-to-head comparisons need to compare directly the risks and benefits of ticagrelor and prasugrel in STEMI patients. These caveats notwithstanding, ticagrelor and prasugrel markedly improve the prognosis for patients with STEMI.
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Intravenous iron sucrose has been used to treat iron deficiency and iron deficiency anaemia associated with different chronic diseases for several decades. Despite the complex structure of iron sucrose, copies called iron sucrose similars (ISSs) have been approved according to the generic approach and therefore, therapeutic equivalence is taken for granted. ⋯ Due to emerging evidence that ISSs differ from the iron sucrose originator in safety and efficacy profiles, it seems prudent for physicians as well as patients who require intravenous (i.v.) iron to have available data on therapeutic equivalence of new ISS preparations versus the originator. This may be especially important in patients who are chronically ill and need iron supplementation on a regular, long-term basis.
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Randomized Controlled Trial Multicenter Study
Efficacy and safety of budesonide/formoterol via a dry powder inhaler in Chinese patients with chronic obstructive pulmonary disease.
To evaluate the efficacy and safety of budesonide (BUD)/formoterol (FORM) compared with BUD, both administered by way of a dry powder inhaler (Turbuhaler * ). * Turbuhaler is a registered trade name of AstraZeneca, Södertälje, Sweden. ⋯ In Chinese patients with moderate to very severe COPD, fixed combination treatment with BUD/FORM resulted in clinically meaningful improvements in lung function, health-related quality-of-life, COPD symptoms and a reduction in reliever use, compared with BUD alone and both treatments were well tolerated. Treatment of BUD/FORM for milder patients with COPD and head to head comparison of Chinese and Caucasians in future studies will be helpful to expand upon the findings of the current clinical trial.
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Randomized Controlled Trial
Efficacy and safety of oral strontium ranelate for the treatment of knee osteoarthritis: rationale and design of randomised, double-blind, placebo-controlled trial.
The osteoporosis drug strontium ranelate dissociates bone remodelling processes. It also inhibits subchondral bone resorption and stimulates cartilage matrix formation in vitro. Exploratory studies in the osteoporosis trials report that strontium ranelate reduces biomarkers of cartilage degradation, and attenuates the progression and clinical symptoms of spinal osteoarthritis, suggesting symptom- and structure-modifying activity in osteoarthritis. We describe the rationale and design of a randomised trial evaluating the efficacy and safety of strontium ranelate in knee osteoarthritis. ⋯ This randomised, double blind, placebo-controlled study will establish the potential of strontium ranelate in improving structure and symptoms in patients with knee osteoarthritis.
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Despite limited empirical support, chronic pain has traditionally been defined mainly on the basis of its duration, which takes no account of the causative mechanisms or its clinical significance. ⋯ The implementation of a prognostic definition and wider adoption of integrated care could bring significant advantages. However, these measures require improved training in pain management and structural revision of specialist facilities, for which political support is essential.