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  • Title: A controlled clinical trial of baclofen as protective therapy in early Huntington's disease.
    Author: Shoulson I, Odoroff C, Oakes D, Behr J, Goldblatt D, Caine E, Kennedy J, Miller C, Bamford K, Rubin A.
    Journal: Ann Neurol; 1989 Mar; 25(3):252-9. PubMed ID: 2524992.
    Abstract:
    We carried out a controlled clinical trial to examine the potential of baclofen to slow the functional decline of patients with early Huntington's disease (HD). The basis of the trial was: (1) the hypothesis that excitatory amino acid neurotransmission mediates the neuronal degeneration of HD, (2) preclinical evidence that baclofen retards corticostriatal release of glutamate and aspartate, and (3) reports that baclofen produces short-term clinical benefits in some HD patients. Sixty patients with early HD were randomized to chronic baclofen, 60 mg/day, or placebo treatments and followed systematically for up to 42 months. Total functional capacity was not favorably influenced by baclofen treatment. Factors that contributed, although nonsignificantly, to a more rapid rate of total functional capacity decline included younger age (less than 35 years), earlier stage (stage I) of illness, paternal inheritance of the HD gene, and baclofen treatment. Our patients declined at a pace slower than that observed in other prospective studies, a finding likely due to selection criteria, avoidance of neuroleptic therapy, and strong psychosocial support.
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