A Study Exploring Changes in a Variety of Biomarkers Following Dosing With MT1988 in Participants at Clinical High Risk for Psychosis

Exclusion Criteria

• •Clinically significant medical disorder or laboratory test abnormality at Day 1.
• •History of or current condition which may prevent participant from complying with study procedures.
• •Past or current schizophrenia, other disorder with symptoms of psychosis, major cognitive disorder resulting from traumatic brain injury.
• •Received antipsychotic medication equivalent to a total lifetime haloperidol dose \>50 mg.
• •Current use of medications which could interfere with the study endpoints - to be assessed by the Investigator at screening.
• •Unable to abstain from nicotine (e.g. cigarettes, vape) for two hours before cognitive testing.
• •Unable to abstain from marijuana use on test day prior to test completion.
• •History of suicide attempt or behavior in previous 12 months, or risk of suicidal behavior during the study.