About this trial
The purpose of this study is to evaluate the efficacy and safety of KarXT in acutely psychotic Japanese adult participants with schizophrenia
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Participants must have a primary diagnosis of schizophrenia established by a comprehensive psychiatric evaluation based on the Diagnostic and Statistical Manual of Mental Disorders⎯Fifth Edition (DSM-5) criteria and confirmed by Mini International Neuropsychiatric Interview (MINI).
Participants must have a PANSS total score between 80 and 120, inclusive.
Participants must have a CGI-S score of ≥ 4.
Disqualifiers
Participants must not have any primary DSM-5 disorder other than schizophrenia within 12 months before screening.
Participants must not be newly diagnosed or experiencing their first treated episode of schizophrenia.
Participants must not have any history or presence of clinically significant medical conditions.
Other protocol-defined Inclusion/Exclusion criteria apply.
Trial design
Parallel
Treatments tested in this trial
KarXT
DrugSpecified dose on specified days
Placebo
Other interventionSpecified dose on specified days
Treatment groups
Trial outcomes
Primary outcomes
Change from baseline in Positive and Negative Syndrome Scale (PANSS) total score
Double-Blind Part
Number of participants with treatment-emergent adverse events (TEAEs)
Open-label extension (OLE) Part
Secondary outcomes
Change from baseline in PANSS positive score
Double-blind Part
Change from baseline in PANSS negative score
Double-blind Part
Change from baseline in PANSS Negative Marder Factor score
Double-blind Part
Change from baseline in Clinical Global Impressions-Severity (CGI-S) score
Double-blind Part
Sponsors and contacts
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