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Elevated growth hormone responses to pyridostigmine in obsessive- compulsive disorder: evidence of cholinergic supersensitivity

Published Online:https://doi.org/10.1176/ajp.150.6.961

The growth hormone response to the acetylcholinesterase inhibitor pyridostigmine was measured in nine normothymic outpatients who met DSM- III-R criteria for obsessive-compulsive disorder. The responses were significantly elevated when compared to those found in a healthy comparison group (N = 9). The data suggest that cholinergic supersensitivity is present in obsessive-compulsive disorder.

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