Natural alpha interferon in multiple sclerosis: Results of three preliminary series

D. Squillacote, M. Martinez, W. Sheremata

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

In three preliminary, sequential series conducted between 1987 - 1991, natural human leukocyte interferon-alpha [HuIFN(Le)l was evaluated in 49 interferon-naive multiple sclerosis (MS) patients. In this study, safety data are reported for all 49 patients, and efficacy data for 45 of 49, each patient having received 3 - 12 months of therapy during the initial study year with observation only in the second year. No major side-effects for HuIFN(Le) were observed at doses of 5 - 30 million international units (MIU) per week for 3 - 12 months, although severe fatigue caused some patient drop-outs prior to completion of 3 months of therapy. The relapse rate in patients having received HuIFN(Le), prospectively evaluated in two series (34 patients), was reduced by 80% at 2 years. An unexpected trend towards improved disability provoked a retrospective analysis. In the first year, 36 of 45 (80%) patients improved or stabilized (P = 0.0001); of these 26 of 45 (58%) improved and 10 of 45 (22%) stabilized (P = 0.0023, χ2 = 9.3). In year 2, 34 of 45 (76%) were improved/stabilized (P = 0.001); of these, 24 of 45 (53%) remained improved and 10 of 45 (22%) remained stable (P = 0.01, χ2 = 6.6). A trend to greater efficacy at the higher doses for longer periods of therapy, up to 12 months, was observed.

Original languageEnglish (US)
Pages (from-to)246-257
Number of pages12
JournalJournal of International Medical Research
Volume24
Issue number3
DOIs
StatePublished - 1996

Keywords

  • Extended disability status score
  • Multiple sclerosis
  • Natural interferon alpha

ASJC Scopus subject areas

  • Medicine(all)

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