Interventions for erythema nodosum leprosum

Erythema nodosum leprosum (ENL) is a serious immunological complication of leprosy, causing inflammation of skin, nerves, other organs, and general malaise. Many different therapies exist for ENL, but it is unclear if they work or which therapy is optimal. To assess the effects of interventions for...

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Bibliographic Details
Published in:Cochrane database of systematic reviews 2009-07 (3), p.CD006949
Main Authors: Van Veen, Natasja H J, Lockwood, Diana N J, van Brakel, Wim H, Ramirez, Jr, Jose, Richardus, Jan Hendrik
Format: Article
Language:English
Subjects:
Aspirin - therapeutic use
Clofazimine - therapeutic use
Erythema Nodosum - drug therapy
Humans
Leprostatic Agents - therapeutic use
Leprosy, Lepromatous - drug therapy
Prednisolone - therapeutic use
Randomized Controlled Trials as Topic
Remission Induction
Thalidomide - therapeutic use
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Summary:Erythema nodosum leprosum (ENL) is a serious immunological complication of leprosy, causing inflammation of skin, nerves, other organs, and general malaise. Many different therapies exist for ENL, but it is unclear if they work or which therapy is optimal. To assess the effects of interventions for erythema nodosum leprosum. We searched the Cochrane Skin Group Specialised Register, the Cochrane Central Register of Controlled Trials (CENTRAL) in The Cochrane Library (Issue 1, 2009), MEDLINE (from 2003), EMBASE (from 2005), LILACS and AMED (from inception), CINAHL (from 1981), and databases of ongoing trials, all in March 2009. We checked reference lists of articles and contacted the American Leprosy Missions in Brazil to locate studies. Randomised controlled trials (RCTs) of interventions for ENL in people with leprosy. Two authors performed study selection, assessed trial quality, and extracted data. We included 13 studies with a total of 445 participants. The quality of the trials was generally poor and no results could be pooled due to the treatments being so heterogeneous. Treatment with thalidomide showed a significant remission of skin lesions compared to acetylsalicylic acid (aspirin) (RR 2.43; 95% CI 1.28 to 4.59) (1 trial, 92 participants). Clofazimine treatment was superior to prednisolone (more treatment successes; RR 3.67; 95% CI 1.36 to 9.91) (1 trial, 24 participants), and thalidomide (fewer recurrences; RR 0.08; 95% CI 0.01 to 0.56) (1 trial, 72 participants). We did not find any significant benefit for intravenous betamethasone compared to dextrose (1 trial, 10 participants), pentoxifylline compared to thalidomide (1 trial, 44 participants), indomethacin compared to prednisolone, aspirin or chloroquine treatments (2 trials, 80 participants), or levamisole compared to placebo (1 trial, 12 participants). Mild to moderate adverse events were significantly lower in participants taking 100 mg thalidomide compared to 300 mg thalidomide daily (RR 0.46; 95% CI 0.23 to 0.93). Significantly more minor adverse events were reported in participants taking clofazimine compared with prednisolone (RR 1.92; 95% CI 1.10 to 3.35). None of the studies assessed quality of life or economic outcomes. There is some evidence of benefit for thalidomide and clofazimine, but generally we did not find clear evidence of benefit for interventions in the management of ENL. However, this does not mean they do not work, because the studies were small and poorly reported. Lar
ISSN:1469-493X
DOI:10.1002/14651858.CD006949.pub2