Published online by Cambridge University Press: 29 January 2018
Since Schiavone and Kaldor (16) reported the incidental finding of increased creatine Phosphokinase (CPK) in patients with schizophrenia a number of studies of the enzyme have appeared in the literature. Bengzon et al. (2), reported among a group of 30 schizophrenics, CPK elevations, which returned to normal during the course of treatment with phenothiazines. These authors investigated a second group of 60 untreated patients who were ‘acutely psychotic’ and found abnormally high CPK levels in half of them. However no mention was made of diagnostic criteria, nor of attempts to control for extraneous circumstances known to elevate the enzyme.
This work was supported in part by U.S.P.H.S. grants MH-19972, 13002, 09247, 05804, and by NS-09156.
A synopsis of this paper was published in the April 1973 Journal.
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