Based on limited evidence, we cannot recommend a specific drug for the treatment of fatigue in palliative care patients. Fatigue research in palliative care seems to focus on modafinil and methylphenidate, which may be beneficial for the treatment of fatigue associated with palliative care although further research about their efficacy is needed. Dexamethasone, methylprednisolone, acetylsalicylic acid, armodafinil, amantadine and L-carnitine should be further examined. Consensus is needed regarding fatigue outcome parameters for clinical trials.
Based on limited evidence, we cannot recommend a specific drug for treatment of fatigue in palliative care patients. Surprisingly, corticosteroids have not been a research focus for fatigue treatment, although these drugs are frequently used. Recent fatigue research seems to focus on modafinil, which may be beneficial although there is no evidence currently. Amantadine and methylphenidate should be further examined. Consensus regarding fatigue assessment in advanced disease is needed.
BackgroundIn palliative care patients, fatigue can be severely debilitating and is often not counteracted with rest, thereby impacting daily activity and quality of life. Further complicating issues are the multidimensionality, subjective nature and lack of a consensus definition of fatigue. The review aimed to evaluate the efficacy of pharmacological treatments for fatigue in palliative care, with a focus on patients at an advanced stage of disease, including patients with cancer and other chronic diseases.MethodsWe considered randomized controlled trials concerning adult palliative care with a focus on pharmacological treatment of fatigue compared with placebo, application of two drugs, usual care or a non‐pharmacological intervention. The primary outcome had to be non‐specific fatigue (or related terms such as asthenia). We searched the CENTRAL, MEDLINE, PsycINFO and EMBASE, and a selection of cancer journals up to 28 April 2014. Two review authors independently assessed trial quality and extracted the data.ResultsWe screened 1645 publications of which 45 met the inclusion criteria. In total, we analysed data from 18 drugs and 4696 participants. There was a very high degree of statistical and clinical heterogeneity in the trials. Meta‐analysis of data was possible for modafinil, pemoline, and methylphenidate.ConclusionsDue to the limited evidence, we cannot recommend a specific drug for the treatment of fatigue in palliative care patients. Some drugs, which may be beneficial for the treatment of fatigue associated with palliative care such as amantadine, methylphenidate, and modafinil, should be further researched.
BackgroundThis feasibility study addresses the applicability of matrix electrodes for the reduction of ongoing pain in cancer patients via low‐frequency electrical stimulation (LFS).MethodsLow‐frequency matrix stimulation (4 Hz) was applied to the skin within the ‘Head's zones’ referring to the tumour localization of cancer pain patients. Pain at baseline was compared to a 3‐day treatment interval consisting of 5 min of matrix stimulation in the morning and evening followed by a 3‐day follow‐up period without therapy. Main outcome parameters included numeric rating scale values (rating scale 0–100), painDETECT, HADS, and German pain questionnaire, as well as the opioid intake, calculated as the oral morphine equivalent (OME).ResultsTwenty patients with cancer pain (aged 64.4 ± 10.3; 9 women) were examined. In the majority of patients, the pain was classified as nociceptive. The mean pain reduction achieved by matrix therapy was 30%, under stable daily controlled‐release opioid doses between 177 and 184 mg/day (OME). Seventeen patients (85%) were responders, defined by a pain reduction of at least 30%, while four responders experienced a pain reduction of over 50%. The only side effect was short‐term erythema.ConclusionFindings are consistent with the concept of synaptic long‐term depression in cancer pain induced after conditioning LFS. Despite the short, but well‐tolerated, treatment duration of 2 × 5 min/day, effects persisted throughout the 3‐day follow‐up.SignificanceCutaneous neuromodulation using LFS via a matrix electrode has been shown to be a safe intervention for effectively reducing cancer pain in palliative care patients.
Oxycodone leads to an accumulation of Na 1.5 channels in inactivated states, with a slow time course. Although the concentrations needed to elicit cardiac arrhythmias in vitro are relatively high, some patients under long-term treatment with oxycodone as well as drug abusers and addicts might suffer from severe cardiac side effects induced by the slowly developing effects of oxycodone on Na 1.5 channels.
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