Multiple Ascending Dose Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of ITI 333 in Healthy Volunteers

Key Inclusion Criteria: * Healthy male and female subjects between 18 and 45 years old (inclusive); * BMI inclusive of 18-32 kg/m2 at screening and a minimum weight of 50 kg; * Willingness to remain in the clinic for the inpatient portion of the study and return for follow-up visit(s) as required by protocol and as deemed necessary by the Investigator. Key Exclusion Criteria: * Clinically significant abnormality within 2 years of Screening that in the Investigator's opinion may place the subject at risk or interfere with study outcome variables; this includes, but is not limited to, history of or current cardiac, hepatic, renal, neurologic, GI, pulmonary, endocrinologic, hematologic, or immunologic disease or history of malignancy; * Clinically significant abnormal findings in vital sign assessments, including blood oxygen saturation (SpO2) \< 96% and respiratory rate \< 12 breaths per min; * History of psychiatric condition that in the Investigator's opinion may be detrimental to participation in the study; * CRP, ESR, or fibrinogen that are above normal reference ranges at Screening or Day 1.