Journal
PAIN PRACTICE
Volume 22, Issue 3, Pages 381-390Publisher
WILEY
DOI: 10.1111/papr.13090
Keywords
complex regional pain syndrome; corticosteroid; prednisolone; review; treatment
Categories
Funding
- National Research Foundation of Korea Grant - Korean government [NRF2021R1A2C1013073]
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Oral prednisolone can effectively control symptoms in patients with complex regional pain syndrome (CRPS), with a dosage of 30 mg/day being effective and a treatment duration of 1-3 months, but short-term treatment for 1-2 weeks can also be effective, with minor side effects reported in only 0%-30% of patients.
Background Many patients with complex regional pain syndrome (CRPS) experience refractory pain with severe restrictions in the activities of daily living. Oral prednisolone is commonly used to treat these patients. Purpose To review previous studies assessing the effects of prednisolone in CRPS patients. Methods and Materials Articles published from January 1, 1980 to July 23, 2021 in the PubMed database were searched using the following key phrases: (prednisolone OR corticosteroid OR steroid) AND (complex regional pain syndrome OR reflex sympathetic dystrophy OR shoulder-hand syndrome OR causalgia). Specifically, we included those articles in which oral prednisolone or corticosteroids were used to control the CRPS symptoms. Results In total, 11 articles were included, comprising 3 randomized trials, 5 single-arm prospective observational studies, and 3 retrospective studies. Nearly all previous studies reported that oral prednisolone can effectively control the CRPS symptoms. Moreover, though 30-100 mg/day of oral prednisolone was initially administered in these studies, 30 mg/day was also found to be effective in controlling the symptoms. Although prednisolone was usually administered for 1-3 months, short-term treatment for 1-2 weeks was also reportedly effective. Furthermore, only 0%-30% of the patients in these studies had minor side effects after prednisolone treatment. Conclusions Our review showed that prednisolone may be effective in alleviating the CRPS symptoms. To determine higher levels of evidence, a full systematic review with more highly qualified studies, such as randomized controlled trials, should be conducted in the future.
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