Pain
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The magnitude of placebo response and its predictors in fibromyalgia syndrome (FMS) and painful peripheral diabetic neuropathy (DPN) had not been studied. We performed a systematic review by searching MEDLINE, CENTRAL, SCOPUS, and the databases of the U. S. ⋯ Placebo accounted for 45% of the response in the drug groups in FMS and for 62% in painful DPN. The placebo response was higher in painful DPN than in FMS (P<.001). The placebo response was not associated with age, sex, and race, but with year of study initiation, pain baseline, and effect size in active drug groups in both diseases.
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Randomized Controlled Trial Multicenter Study
Patterns of sickness absence a decade after pain-related multidisciplinary rehabilitation.
Multidisciplinary programmes using a vocational approach can enhance work return in chronic pain patients, but little is known about the long-term effects of rehabilitation. The current study examined the patterns of sickness absence 10 years after participation in 3 treatment groups (physiotherapy, cognitive behavioural therapy, and vocational multidisciplinary rehabilitation) in comparison to a control group receiving treatment-as-usual. Cost-effectiveness was also assessed. ⋯ The corresponding reduction of sickness absence after physiotherapy and cognitive behavioural therapy was not significantly different from the control group. The effect of rehabilitation seems to be more pronounced for disability pension than for sick leave. The economic analyses showed substantial cost savings for individuals in the multidisciplinary group compared to the control group.
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Randomized Controlled Trial Multicenter Study
Efficacy of acupuncture for migraine prophylaxis: a single-blinded, double-dummy, randomized controlled trial.
Insufficient clinical trial data were available to prove the efficacy of acupuncture for migraine prophylaxis. A multicenter, double-dummy, single-blinded, randomized controlled clinical trial was conducted at the outpatient departments of acupuncture at 5 hospitals in China to evaluate the effectiveness of acupuncture. A total of 140 patients with migraine without aura were recruited and assigned randomly to 2 different groups: the acupuncture group treated with verum acupuncture plus placebo and the control group treated with sham acupuncture plus flunarizine. ⋯ The secondary outcome measures included the number of migraine days, visual analogue scale (VAS, 0 to 10 cm) for pain, as well as the physical and mental component summary scores of the 36-item short-form health survey (SF-36). The patients in the acupuncture group had better responder rates and fewer migraine days compared with the control group (P<.05), whereas there were no significant differences between the 2 groups in VAS scores and SF-36 physical and mental component summary scores (P>.05). The results suggested that acupuncture was more effective than flunarizine in decreasing days of migraine attacks, whereas no significantly differences were found between acupuncture and flunarizine in reduction of pain intensity and improvement of the quality of life.