Study Evaluating PAZ-417 in Healthy Young/Elderly

Inclusion criteria

• Men or women, aged 18 to 50 years inclusive (healthy young subjects) and > 65 years inclusive (elderly subjects) on study day 1. Women of nonchildbearing potential may be included if they are either surgically sterile (hysterectomy and/or oophorectomy) or postmenopausal for ≥1 year (with estradiol ≤25 pg/mL[92 pmol/L] and FSH ≥40 mIU/mL) and must have a negative serum pregnancy test result within 48 hours before administration of test article. Women who are surgically sterile or post-menopausal must provide documentation of the procedure by an operative report or by ultrasound and have a negative serum pregnancy test result within 48 hours before administration of test article.
• The elderly subjects must be generally healthy, but may be enrolled with a stable, chronic illness, if it is well-controlled, and does not interfere with the primary objective of the study. Subjects may be included with clinically important deviations from normal limits in medical history, physical examination, vital signs, 12-lead ECGs, or clinical laboratory test results which are associated with stable, chronic, well-controlled, medical conditions.
• The estimated creatinine clearance must be within the age-appropriate normal range.

Exclusions Criteria:

• Presence or history of any disorder that may prevent the successful completion of the study.
• Any surgical or medical condition that may interfere with the absorption, distribution, metabolism, or excretion of the test article.
• Exclude subjects with a history of vascular disorders (peripheral, coronary, venous), chronic inflammatory disorders (e.g., rheumatoid arthritis), hematologic disorders, and bleeding disorders (e.g., hemophilia, idiopathic thrombocytopenic purpura, von willebrand's disease).