CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 202 enrolled
Drug / intervention
Xanomeline and Trospium Chloride Capsules +1 moredrug
Likely dose
Xanomeline and Trospium Chloride Capsules 50 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05919823
NCT05919823Phase 3Completed

A Phase 3, Multicenter, Two-part Study With a 5-week Double-blind Part (Randomized, Parallel-group, Placebo-controlled) Followed by a 12-week Open-label Extension Part, to Evaluate the Efficacy and Safety of KarXT in Acutely Psychotic Hospitalized Chinese Adult Subjects With DSM-5 Schizophrenia

Karuna Therapeutics, Inc., a Bristol Myers Squibb company·interventional·Posted Jun 26, 2023·Updated Dec 17, 2025

In Brief

A Phase 3 clinical trial evaluating Xanomeline and Trospium Chloride Capsules and Placebo for Schizophrenia. Completed, enrolled 202 participants across 28 sites.

Detailed Summary

A Phase 3, Multicenter, Two-part Study with a 5-week Double-blind Part (Randomized, Parallel-group, Placebo-controlled) followed by a 12-week Open-label Extension Part, to Evaluate the Efficacy and Safety of KarXT in Acutely Psychotic Hospitalized Chinese Adult Subjects with DSM-5 Schizophrenia

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsSchizophrenia
CountriesChina

Timeline

Phase 3CompletedFinished
202420252026
First PostedJun 26, 2023
Enrollment StartMay 29, 2023
Primary CompletionSep 16, 2024
Study CompletionDec 9, 2024
TodayJul 2, 2026
Enrollment to primary: 1.3 yearsPosted 3.0 years ago

Interventions

Xanomeline and Trospium Chloride Capsulesdrug

Oral xanomeline 50 mg/trospium 20 mg BID on days 1-2 followed by xanomeline 100 mg/trospium 20 mg BID on days 3-7. The dose is increased to xanomeline 125 mg/trospium 30 mg BID on days 8-35 unless the subject is experiencing adverse events from the xanomeline 100 mg/ trospium 20 mg dose. Subjects who were increased to xanomeline 125 mg/trospium 30 mg will have the option to return to xanomeline 100 mg/ trospium 20 mg depending on clinical response and tolerability.

Placebodrug

Placebo Capsules