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Browse 959 clinical trials for chronic pain. Find studies that match your criteria and connect with research centers.
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Showing 881-900 of 959 trials
NCT01517295
Objective is to evaluate the pharmacokinetics profile of hydrocodone's metabolite hydromorphone in patients who are taking hydrocodone on a routine basis for more than 3 months for chronic pain and correlate hydromorphone levels to their hydrocodone usage.
NCT02838173
This study compare the "Serratus block plane" (SPB) and the local infiltration of the tissue in the prevention of acute and chronic pain after breast cancer surgery.
NCT01752322
The purpose of this trial is to investigate the efficacy and safety of lidocaine 5% medicated plaster in localized chronic post-operative neuropathic pain in comparison to placebo plaster.