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Clin Immunol Immunopathol. 1992 Mar;62(3):307-13.

T cell vaccination in multiple sclerosis: a preliminary report.

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Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts.


Multiple sclerosis (MS) is a presumed autoimmune disease of the central nervous system. Inoculation of attenuated T cell clones recognizing immunodominant regions of myelin autoantigens can protect animals from the induction of experimental autoimmune diseases. In this phase one trial, we investigated whether inoculations with attenuated T cell clones are feasible in humans for eventual trials with autoreactive clones and whether there are any associated immunologic effects. A total of seven inoculations with attenuated, autologous T cell clones isolated from the cerebrospinal fluid in four subjects with progressive MS was performed. No untoward side effects were observed. Immunologic studies suggested that the inoculation of autologous activated T cell clones followed by partial, short-term, immunosuppression as evidenced by a decrease of subsequent responses to stimulation via the CD2 pathway and increases in the autologous mixed lymphocyte response. We conclude that the use of attenuated autoreactive T cell clones appears feasible for further clinical trials in humans with autoimmune diseases.

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