A phase I study of recombinant human ciliary neurotrophic factor (rHCNTF) in patients with amyotrophic lateral sclerosis

  • J. M. Cedarbaum
  • , C. Chapman
  • , M. Charatan
  • , N. Stambler
  • , L. Andrews
  • , C. Zhan
  • , S. Radka
  • , D. Morrisey
  • , D. Lakings
  • , B. R. Brooks
  • , M. Sanjak
  • , A. Pestronk
  • , J. Florence
  • , H. Mitsumoto
  • , K. Szirony
  • , L. Bittle
  • , S. Ringel
  • , H. Neville
  • , J. Brinkmann
  • , J. Wittes

Research output: Contribution to journalArticlepeer-review

66 Scopus citations

Abstract

Fifty-seven patients with amyotrophic lateral sclerosis (ALS) were randomly assigned to receive 0.5, 1, 3, 7, 10, or 30 μg/kg recombinant human ciliary neurotrophic factor (rHCNTF) or placebo subcutaneously 3 times a week for 2 weeks. Dose-limiting toxicity, consisting of febrile reactions in some patients, fatigue, and nonproductive cough, was observed at a dose level of 30 μg/kg. Dose-related changes in parameters of the acute-phase response were noted, consistent with the relationship of CNTF and its receptor system to the cytokine interleukin-6 (IL-6) and its receptor. No adverse neurologic consequences of rHCNTF administration were observed. Antibodies to rH-CNTF were observed in sera of most patients tested after 2 weeks of continuous treatment and 4 weeks' withdrawal period. rHCNTF was safe and tolerated within acceptable limits when administered to patients with ALS in this study at doses of up to 30 μg/kg 3 times a week for 2 weeks. Further studies to explore the efficacy of rHCNTF in the treatment of human motor neuron diseases are justified.

Original languageEnglish
Pages (from-to)515-532
Number of pages18
JournalClinical Neuropharmacology
Volume18
Issue number6
DOIs
StatePublished - 1995

Keywords

  • Amyotrophic lateral sclerosis
  • Ciliary neurotrophic factor
  • rHCNTF

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