Neurology
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Randomized Controlled Trial Comparative Study Clinical Trial
Effects of IV morphine in central pain: a randomized placebo-controlled study.
To investigate the effects of IV morphine on central pain syndromes through quantitative sensory testing and to assess the long-term benefit of oral morphine. ⋯ IV morphine induces analgesic effects on some components of central neuropathic pain syndromes, but only a minority of patients may benefit from long-term opioid treatment.