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Clinical Trial Summary

To evaluate the efficacy and the safety of using a single, intravenous 5mg dose of zoledronic acid in managing pain in Complex Regional Pain Syndrome patients.


Clinical Trial Description

Complex regional pain syndrome (CRPS) is a disorder of the extremities that is characterized by spontaneous unexplained disproportionate pain, hyperalgesia, swelling, limited range of motion, vasomotor instability, skin changes, and patchy bone demineralization.The incidence of CRPS was estimated to be 5.46 per 100,000 person years at risk in Olmsted County, Minnesota (US), with a prevalence of 20.57 per 100,000, while its incidence in the general population of the Netherlands was estimated to be much higher, at 26.2 per 100,000 person-years. The adverse effects were not serious and lasted just a few days. The beneficial effects of other bisphosphonates have been already documented in several placebo-controlled trials; however, there are no reports on the use of zoledronic acid to reduce pain in CRPS patients. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01788176
Study type Interventional
Source University of Sao Paulo General Hospital
Contact Perola Grinberg Plapler, MD
Phone 55 11 39058512
Email perolagp@yahoo.com
Status Not yet recruiting
Phase Phase 2
Start date December 2013
Completion date December 2016

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