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  • Title: Sulpiride in tardive dyskinesia.
    Author: Gerlach J, Casey DE.
    Journal: Acta Psychiatr Scand Suppl; 1984; 311():93-102. PubMed ID: 6142590.
    Abstract:
    The pathogenesis of tardive dyskinesia (TD) appears to consist of a combination of a predisposing vulnerability of the patient and an antidopaminergic (neuroleptic) treatment. This combination may result in 1) a relative dopamine hyperreactivity associated with an increased number of dopamine receptors and/or a cholinergic hypo-function (reversible TD), and 2) in long-term treatment, degenerative phenomena leading to a decreased threshold for expressing dyskinetic symptoms (irreversible TD). Sulpiride, a selective D-2 dopamine receptor blocker, is able to suppress TD without producing a reciprocal aggravation in parkinsonism, although in vulnerable patients it may induce/aggravate parkinsonian symptoms. Animal data suggest that sulpiride has less TD-inducing effect than traditional neuroleptics, but long-term clinical studies are still needed to prove this suggestion.
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