Study Evaluating Safety of GSI 136 in Young and Elderly Japanese Males
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This is a first-in-human study of GSI-136, a gamma-secretase inhibitor being developed for the treatment of Alzheimer disease. This study will take place in Japan only and will provide an initial assessment of the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of GSI-136 after administration of ascending single oral doses to healthy Japanese male subjects and healthy Japanese elderly male subjects.
Ascending Single-Dose Study of the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of GSI-136 Administered Orally to Healthy Japanese Male Subjects and Healthy Japanese Elderly Male Subjects
Study Start Date
Primary Completion Date
Study Completion Date
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Safety and tolerability of GSI-136 as evaluated from reported adverse events, scheduled physical examinations, vital sign measurements, orthostatic vital sign measurements, cardiac rhythm monitoring, 12-lead ECGs, and clinical laboratory test results. [ Time Frame: 6 months ]
Secondary Outcome Measures
Pharmacokinetics as evaluated from the blood and urine concentrations of GSI-136; Pharmacodynamics as evaluated from the levels of select biomarkers in the blood and the administration of a visual analog scale to measure sedation effects. [ Time Frame: 6 months ]
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Ages Eligible for Study:
20 Years and older (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Inclusion Criteria .
Men aged 20 to 45 years, or greater than 65 years, inclusive, at screening and who agree to use a medically acceptable form of contraception during the study and to continue its use for 12 weeks after test article administration.
Healthy as determined by the investigator on the basis of medical history, physical examination, clinical laboratory tests, vital sign measurements and 12-lead electrocardiogram (ECG).
Presence or history of any disorder that may prevent the successful completion of the study.
Any history or presence of chronic respiratory disorder or disease including but not limited to asthma, sleep apnea, or chronic obstructive pulmonary disease (COPD).