Immunosuppression in peripheral neuropathy: rationale and reality.

Plasma exchange, intravenous immunoglobulin and corticosteroids continue to be the mainstay of treatment for inflammatory neuropathies. Recent trials demonstrate that combining these therapies is not significantly more effective than single agent treatment. The usefulness of novel immunotherapies and cytotoxic agents is difficult to ascertain because of the treatment of small numbers of patients in open-label studies.