Treatment of Scleroderma

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Abstract
The treatment of systemic sclerosis (scleroderma) is difficult and remains a great challenge to the clinician. Because the cause is unknown, therapies are directed to improve peripheral blood circulation with vasodilators and antiplatelet aggregation drugs, to prevent the synthesis and release of harmful cytokines with immunosuppressant drugs, and to inhibit or reduce fibrosis with agents that reduce collagen synthesis or enhance collagenase production. The purpose of this review is to critically analyze conventional and new treatments of systemic sclerosis and localized scleroderma. The therapeutic options discussed for the treatment of systemic sclerosis include the use of (1) vasodilators (calcium channel blockers [nifedipine], angiotensin-converting enzyme inhibitors [captopril, losartan potassium], and prostaglandins [iloprost, epoprostenol]), (2) immunosuppressant drugs (methotrexate, cyclosporine, cyclophosphamide, and extracorporeal photopheresis), and (3) antifibrotic agents (D-penicillamine, colchicine, interferon gamma, and relaxin). The treatment options reviewed for localized scleroderma include the use of corticosteroids, vitamin D analogues (calcitriol, calcipotriene), UV-A, and methotrexate. Preliminary reports on new therapies for systemic sclerosis are also considered. These include the use of minocycline, psoralen–UV-A, lung transplantation, autologous stem cell transplantation, etanercept, and thalidomide.