Study Evaluating The Effects Of Single Oral Doses Of NSA-789 On Auditory P50 Suppression In Schizophrenic Patients
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The purpose of this study is to evaluate the effect of single doses of NSA-789 on the P50 component of the auditory evoked potentials and to assess the safety, tolerability and the concentration of NSA-789 in the blood, in nonsmoking patients with schizophrenia.
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Ages Eligible for Study:
18 Years to 55 Years (Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Women of nonchildbearing potential, or men, aged 18 to 55 years inclusive on study day 1. Women of nonchildbearing potential may be included if they are either surgically sterile (hysterectomy and/or oophorectomy) or postmenopausal for â‰¥1 year (with a follicle-stimulating hormone [FSH] level of â‰¥38 mIU/mL). Women who are surgically sterile must provide documentation of the procedure by an operative report or ultrasound scan. Sexually active men must agree to use a medically acceptable form of contraception during the study and continue it for 12 weeks after test article administration.
Body mass index in the range of 18 to 32 kg/m2 and body weight â‰¥50 kg.
Hemoglobin no lower than 0.4 g/dL, less than the lower limit of the normal range, and white blood cell count no lower than 0.5 103/mm3, less than the lower limit of the of the normal range at screening and day -1. Hematocrit and absolute neutrophil count within normal range at screening and on day -1.
Women of childbearing potential.
Presence or history of any disorder that may prevent the successful completion of the study.
Any unstable psychiatric condition, which may prevent the successful and safe completion of the study in the opinion of the investigator.