Schizophrenia Clinical Trial
Official title:
Neuroendocrine and Immune Response to Stress in Schizophrenia
This is a pilot study. We are testing the physiologic, immune and chemical responses to stress. We believe the results of all measures to stress will be blunted in schizophrenia compared to healthy controls. We will test sex, early life stress and other factors on the relationship to a stress response.
The proposed study examines the response of neuroimmune and inflammatory responses to a
stress in both men and women with a DSM-IV diagnosis of schizophrenia or schizoaffective
disorder. The measurements include stress hormones or other elements in the blood which
indicate stress . Early childhood trauma/stress (ELS) information will be collected so we can
examine differences in those with trauma histories vs. those with none by sex. There will be
one visit for screening before the testing visit. The sample will consist of up to 45
clinically stable inpatients and outpatients with DSM-IV schizophrenia or schizoaffective
disorder, of which approximately 15 will be women. We will also enroll up to 45 healthy
controls without a DSM-IV Axis I or II disorder. Prior to the study all subjects must meet
inclusion and exclusion criteria including a medical history.
The (TSST) is a standard and widely used research assessment procedure that is used to
reliably induce stress in human research participants. The TSST uses situations where people
think they are being socially evaluated during an interview for a job. Participants are told
they are competing with other people for this job, and their task is to convince interviewers
that they are the best person for the job. Participants are told they have to prepare a
speech, and complete a math challenge in their head.
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