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Browse 1,122 clinical trials for chronic pain. Find studies that match your criteria and connect with research centers.
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NCT02016664
Oral ketamine is increasingly used by doctors to both reduce the amount of narcotic pain medication consumed and to improve chronic pain management in difficult cases. How much is absorbed when taken orally, as opposed to intravenously ,is unknown. Ketamine may cause sedation, and occasionally cognitive impairment. Therefore, there are safety concerns associated with its usage as an out-patient may engage in activities where cognitive impairment is dangerous,such as driving. This study is designed to measure the plasma concentrations of ketamine and its active metabolite, norketamine, in people taking low dose oral ketamine for chronic pain. The goal of the study is to verify that low dose oral ketamine produces plasma concentrations below the level associated with toxic symptoms,and thus can be safely used long-term for the treatment of chronic pain .
NCT00663962
With Institutional Ethics Board approval and signed informed consent, a pilot investigation was conducted in which 15 adult patients scheduled to undergo a thoractomy were randomly assigned to receive 1) 150 mg pregabalin 1 hour preoperatively and then 7 days postoperatively (BID) or 2) 300 mg pregabalin 1 hour preoperatively and 7 days postoperatively (BID) or 3) placebo for same regimen to assess the feasibility, safety and compliance of this drug regimen on this patient population. This assessment was necessary in order to plan a future fully powered randomized controlled trial looking at the efficacy of perioperative pregabalin ifor reducing the incidence/severity of chronic post-thoracotomy pain.