Abstract:
:Myelin-specific T lymphocytes are considered essential in the pathogenesis of multiple sclerosis. The myelin basic protein peptide (a.a. 83-99) represents one candidate antigen; therefore, it was chosen to design an altered peptide ligand, CGP77116, for specific immunotherapy of multiple sclerosis. A magnetic resonance imaging-controlled phase II clinical trial with this altered peptide ligand documented that it was poorly tolerated at the dose tested, and the trial had therefore to be halted. Improvement or worsening of clinical or magnetic resonance imaging parameters could not be demonstrated in this small group of individuals because of the short treatment duration. Three patients developed exacerbations of multiple sclerosis, and in two this could be linked to altered peptide ligand treatment by immunological studies demonstrating the encephalitogenic potential of the myelin basic protein peptide (a.a. 83-99) in a subgroup of patients. These data raise important considerations for the use of specific immunotherapies in general.
journal_name
Nat Medjournal_title
Nature medicineauthors
Bielekova B,Goodwin B,Richert N,Cortese I,Kondo T,Afshar G,Gran B,Eaton J,Antel J,Frank JA,McFarland HF,Martin Rdoi
10.1038/80516keywords:
subject
Has Abstractpub_date
2000-10-01 00:00:00pages
1167-75issue
10eissn
1078-8956issn
1546-170Xjournal_volume
6pub_type
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