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  • Title: Myelopathy in Sjögren's syndrome: role of nonsteroidal immunosuppressants.
    Author: Rogers SJ, Williams CS, Román GC.
    Journal: Drugs; 2004; 64(2):123-32. PubMed ID: 14717615.
    Abstract:
    The incidence, aetiology and optimal treatment of CNS Sjögren's syndrome, including myelopathy associated with Sjögren's syndrome, are unknown at the present time. CNS Sjögren's syndrome is thought to be the result of an autoimmune vasculitis, but other mechanisms may be important. Spinal cord involvement in CNS Sjögren's syndrome may present as acute transverse myelitis, progressive myelitis, Brown-Séquard syndrome, neurogenic bladder or lower motor neurone disease. Optic nerve pathology frequently accompanies spinal cord involvement. Acute transverse myelitis has a high mortality and appears to be the most frequent form of spinal cord involvement in CNS Sjögren's syndrome, occurring in about 1% of all patients with Sjögren's syndrome. The patient's symptomatology and clinical course dictate current treatment of myelopathy. First-line treatment appears to be corticosteroid therapy. However, when the patient's condition fails to improve or deteriorates a nonsteroidal immunosuppressant agent should be considered. Agents used to treat myelopathy include cyclophosphamide, chlorambucil, azathioprine, ciclosporin (cyclosporin) and methotrexate in conjunction with corticosteroids. Most data exist as anecdotal reports. The agent of first choice, based on adverse effect profile and efficacy, appears to be cyclophosphamide given intravenously in pulse doses. Other nonsteroidal immunosuppressant agents should be considered, especially when lack of efficacy of, or intolerance to, cyclophosphamide exists in the patient's history. Glandular and other extraglandular symptoms may benefit concomitantly from the immunosuppressant treatment. In addition, when acute relief of symptomatology is needed, the patient may benefit from a trial of plasmapheresis or intravenous immunoglobulin. Infliximab (anti-tumour necrosis factor-alpha antibodies) has not been used as a treatment modality for myelopathy, but has shown some usefulness in the treatment of extraglandular symptoms, as well as peripheral nervous system manifestations of Sjögren's syndrome. This agent might be considered when all other treatment modalities have failed given the presumed importance of tumour necrosis factor in the pathogenesis of Sjögren's syndrome.
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