Current medical research and opinion
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Randomized Controlled Trial
Safety and efficacy of tapentadol ER in patients with painful diabetic peripheral neuropathy: results of a randomized-withdrawal, placebo-controlled trial.
Painful diabetic peripheral neuropathy (DPN) may not be adequately managed with available therapeutic options. This phase III, randomized-withdrawal, placebo-controlled trial evaluated the safety and efficacy of tapentadol extended release (ER) for relieving painful DPN. ⋯ Compared with placebo, tapentadol ER 100-250 mg bid provided a statistically significant difference in the maintenance of a clinically important improvement in pain 1 , 2 and was well-tolerated by patients with painful DPN.
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To review pharmacological management of chronic low back pain (LBP), with respect to management of nociceptive and neuropathic components. ⋯ Chronic LBP often comprises both nociceptive and neuropathic components, therefore a multimodal and individualized treatment approach is necessary. Combining drugs with different mechanisms of action (e.g. an agent with µ-receptor activity plus an agent of a different class) represents a rational approach to management of chronic LBP with both nociceptive and neuropathic components.
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Multicenter Study
Observational, nonintervention, multicenter study for validation of the Bowel Function Index for constipation in European countries.
Constipation is a common adverse event of treatment with opioids for chronic non-malignant pain and may result in a considerable reduction in health-related quality of life. The aim of this study was to assess the psychometric properties of the Bowel Function Index (BFI) in european patients suffering from constipation secondary to opioid analgesic treatment for chronic, non-malignant pain. ⋯ Although this study was limited by the relatively small sample size, it is a part of an extensive validation program. This study suggests that the BFI is a reliable and valid measure of constipation-related symptomatology in chronic pain patients. This measure may be a valuable indicator of patients' experience of symptoms of opioid treatment of chronic pain in future trials.
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To compare the cost effectiveness of the two-compound formulation (TCF) calcipotriol plus betamethasone dipropionate gel used first-, second- or third-line to standard topical treatments for moderately severe scalp psoriasis from a Scottish NHS perspective. ⋯ Scalp psoriasis is difficult to treat. Many different topical preparations can be used but several factors such as greasiness, irritation, time needed to apply, and lack of efficacy often result in reduced adherence to treatment regimens. Where cosmetic properties are important for patient acceptability and compliance is a major issue contributing to treatment failure, the once-daily TCF gel offers patients with scalp psoriasis an attractive, cost-saving treatment option.
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To compare glycemic goal achievement (HbA(1c) < 7%) in type 2 diabetes patients receiving initial metformin plus pioglitazone combination therapy and initial metformin monotherapy augmented with pioglitazone in a cohort follow-up study. ⋯ Initial combination therapy patients are more likely to achieve glycemic control than sequential therapy patients, especially for patients with baseline HbA(1c) > 9%. This study is limited by the relatively small sample size and the frequency of HbA(1c) reporting. Future research could examine goal achievement using a larger sample and more complete laboratory data to confirm these findings.