Comparison of therapeutic effect of low-dose low-molecular-weight heparin (enoxaparin) vs. oral prednisone in treatment of patients with lichen planus; A clinical trial


1 Department of Dermatology, Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Science, Isfahan, Iran

2 Dental Student's Research Center, School of Dentistry, Isfahan University of Medical Science, Isfahan, Iran

3 Department of Epidemiology and Biostatic, School of Health, Isfahan University of Medical Science, Isfahan, Iran


Background: The aim of this study was to evaluate and compare the therapeutic efficacy of subcutaneous enoxaparin versus oral prednisone (as a standard treatment) in patients with disseminated lichen planus.
Materials and Methods: In this parallel randomized clinical trial study, overall 48 patients completed the study. 25 patients were treated with subcutaneous enoxaparin 5 mg weekly and 23 patients with 0.5 mg/kg prednisone orally daily until complete remission or a maximum of 8 weeks. The results of itching severity, extent of active lesions and drug side effects were compared. In remission, patients were followed for 6 months for recurrent lesions.
Results: In enoxaparin group, 8 patients (32%) had complete remission and 10 patients (40%) had partial improvement. In the oral prednisone group, 16 patients (69.6%) had complete remission and 6 patients (26.1%) had partial improvement (P = 0.005). Average size of active lesions in both groups decreased significantly after treatment, but analysis of covariance showed that the mean lesion size after treatment in the oral prednisone group was significantly lower than the enoxaparin group (P = 0.005). The relapse rate from improved patients in the enoxaparin group was 6 (33%) and in oral prednisone group was 9 (40.9%, P = 0.083). In the enoxaparin group no serious complications was seen. But 22% in the oral prednisone group show side effect, the most common complications were dyspepsia.
Conclusion: Low dose enoxaparin on lichen Planus have therapeutic effect and is important for the least side effects but not as much as oral prednisone. But it could be accepted as an alternative treatment.


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