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A randomized trial of plasmapheresis and subsequent pulse cyclophosphamide in severe lupus: design of the LPSG trial.

Abstract
A group of clinics cooperating as the Lupus Plasmapheresis Study Group (LPSG) is starting an international multicenter study of the treatment of severe systemic lupus erythematosus. The primary goal of this randomized and prospective trial is to establish whether treatment with plasmapheresis and subsequent pulse cyclophosphamide improves the outcome compared to treatment with pulse cyclophosphamide alone. The underlying rationale assumes that plasmapheresis: a) eliminates pathogenic autoantibodies and immune complexes and b) induces a compensatory activation of pathogenic lymphocyte clones through a feed-back between circulating antibodies and their respective antibody-producing clones. Synchronization of plasmapheresis with subsequent pulse cyclophosphamide should enhance the deletion of pathogenic clones during the period of greatest vulnerability. This overview reviews the first results of treatment approaches based on this concept and summarizes the design of the LPSG trial.
AuthorsH H Euler, J O Schroeder, R A Zeuner, E Teske
JournalThe International journal of artificial organs (Int J Artif Organs) Vol. 14 Issue 10 Pg. 639-46 (Oct 1991) ISSN: 0391-3988 [Print] United States
PMID1748532 (Publication Type: Clinical Trial, Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
Chemical References
  • Cyclophosphamide
Topics
  • Combined Modality Therapy
  • Cyclophosphamide (administration & dosage)
  • Humans
  • Lupus Erythematosus, Systemic (drug therapy, therapy)
  • Plasmapheresis
  • Prospective Studies

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