Longitudinal instability of hormone responses in schizophrenia

We have shown that SCZ patients show higher GH responses to APO than do normals but only on certain occasions when studied longitudinally. GH responses tend to be exaggerated at the time of relapse, and during remission may be blunted or exaggerated. Only patients who at some time demonstrate incoherent thinking and formed delusions, have exaggerated GH responses. Resting serum PRL varies in some patients much more than in normal controls and …