Key result
Procyclidine reverses neuroleptic-induced stupor in two cases, supporting postsynaptic dopaminergic blockade as a key mechanism.
Why the study?
Does procyclidine reverse neuroleptic-induced stupor?
Case Report (n=2)
Does procyclidine reverse neuroleptic-induced stupor?
Procyclidine may reverse neuroleptic-induced stupor, highlighting the potential role of acute postsynaptic dopaminergic receptor blockade in its pathogenesis.
Answers are grounded in this paper and cite their sources.
May support procyclidine in neuroleptic-induced stupor; leaves open dopaminergic blockade mechanism pending controlled data.
Two case reports and data from literature on the subject are used by the authors to describe characteristics of pathogenetic importance of neuroleptic induced stupor (NIS). The origin of NIS is outlined briefly and some fundamental clinical and experimental facts are presented, all of which stress the importance of the acute blockade of postsynaptic DA-ergic receptors. Emphasis is placed on the significance of the possible relationship and similarity between NIS and catatonic stupor, and on the theoretical possibilities which this offers. Zusammenfassung Auf Grund von zwei Fallbeschreibungen und literarischen Daten beschreiben die Autoren einige pathogenetisch wichtige Eigentümlichkeiten des neuroleptisch induzierten Stupors (NIS). Die Autoren deuten einige grundlegende klinische und experimentelle Fakten an, die für die Bedeutsamkeit der akuten Blockade der DA-Rezeptoren sprechen. Ein Verbindung zwischen der NIS und gewissen katatonen Symptomen ist ein möglicher Weg der Pathogenese. Diese Hypothese bietet eine breitere Grundlage für theoretische Erwägungen.
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Ungvári et al. (1979) conducted a case report in Neuroleptic-induced stupor (n=2). Procyclidin was evaluated. Procyclidin reversed neuroleptic-induced stupor in two case reports, supporting the hypothesis that acute blockade of postsynaptic dopaminergic receptors plays a key pathogenetic role.
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