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A Study to Assess Efficacy and Safety of KarXT in Acutely Psychotic Hospitalized Adult Patients With Schizophrenia (EMERGENT-2)

NCT04659161 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 252

Last updated 2023-12-12

Study results available
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Summary

This is a Phase 3, randomized, double-blind, parallel-group, placebo-controlled, multicenter inpatient study to examine the efficacy and safety of KarXT in adult subjects who are acutely psychotic with a Diagnostic and Statistical Manual Fifth Edition (DSM-5) diagnosis of schizophrenia. The primary objective of the study is to assess the efficacy of KarXT (a fixed combination of xanomeline 125 mg and trospium chloride 30 mg twice daily \[BID\]) versus placebo in reducing Positive and Negative Syndrome Scale (PANSS) total scores in adult inpatients with a DSM-5 diagnosis of schizophrenia. The secondary objectives of the study are to evaluate improvement in disease severity and symptoms, safety and tolerability, and pharmacokinetics in adult inpatients with a DSM-5 diagnosis of schizophrenia.

Conditions

Interventions

DRUG

Xanomeline and Trospium Chloride Capsules

Oral xanomeline 50 mg/trospium chloride 20 mg BID (twice a day) for the first 2 days (Days 1 and 2) followed by xanomeline 100 mg/trospium chloride 20 mg BID for the remainder of Week 1 (Days 3 to 7). At Visit 5 (Day 8), dosing was to be titrated upwards to xanomeline 125 mg/trospium chloride 30 mg BID unless the subject was continuing to experience adverse events (AEs) from the previous dose of KarXT 100/20 BID. All subjects who were increased to KarXT 125/30 BID, depending on clinical response and tolerability, had the option to return to KarXT 100/20 BID for the remainder of the treatment period.

DRUG

Placebo

Placebo Capsules twice a day (BID)

Sponsors & Collaborators

  • Karuna Therapeutics

    lead INDUSTRY

Principal Investigators

  • Inder Kaul, MD · Karuna Therapeutics

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2020-12-16
Primary Completion
2022-05-24
Completion
2022-05-24
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

Drugs
Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04659161 on ClinicalTrials.gov