A Trial of 10 and 30 mg Doses of CVL-231 (Emraclidine) in Participants With Schizophrenia

Last updated: April 24, 2025
Sponsor: AbbVie
Overall Status: Completed

Phase

2

Condition

Mood Disorders

Tourette's Syndrome

Schizotypal Personality Disorder (Spd)

Treatment

Placebo

Required CVL-231 30 mg

CVL-231 10 mg

Clinical Study ID

NCT05227690
CVL-231-2001
  • Ages 18-65
  • All Genders

Study Summary

This is a Phase 2, multicenter, randomized, double-blind, placebo-controlled, parallel-group, 6-week trial to evaluate the efficacy, safety, and tolerability of 2 fixed doses of CVL-231 (Emraclidine) (10 mg QD and 30 mg QD) in male and female participants who have schizophrenia and are experiencing an acute exacerbation of psychosis.

Eligibility Criteria

Inclusion

Inclusion Criteria:

  • Primary diagnosis of schizophrenia per DSM-5, as confirmed by the MINI for PsychoticDisorders.

  • CGI-S ≥4 (moderately to severely ill) at the time of signing the ICF and Baseline.

  • PANSS Total Score between 85 and 120, inclusive, at the time of signing the ICF andat Baseline.

  • Experiencing an acute exacerbation or relapse of psychotic symptoms, with onset lessthan 60 days prior to signing the ICF.

  • Willing to discontinue all prohibited medications to meet protocol-required washoutsprior to and during the trial period.

  • Body mass index of 18.0 to 40.0 kg/m2 and a total body weight ≥50 kg (110 lbs).

  • Ability, in the opinion of the investigator, to understand the nature of the trial,participate in trial visits, and comply with protocol requirements.

Exclusion

Exclusion Criteria:

  • Current DSM-5 diagnosis other than schizophrenia (note: anxiety symptoms secondaryto schizophrenia are allowed); Acute depressive symptoms within 30 days prior tosigning the ICF that require treatment with an antidepressant are exclusory. Acutemanic symptoms within 30 days prior to signing the ICF that require treatment with amood stabilizer are exclusory.

  • Any of the following:

  • Schizophrenia considered resistant/refractory to antipsychotic treatment byhistory (failure to respond to 2 or more courses of adequate pharmacologicaltreatment defined as an adequate dose per label and a treatment duration of atleast 4 weeks)

  • History of response to clozapine treatment only or failure to respond toclozapine treatment

  • Any of the following regarding history of schizophrenia:

  • Time from initial onset of schizophrenia <2 years based on prior records orparticipant self-report

  • Presenting with an initial diagnosis of schizophrenia

  • Presenting for the first time with an acute psychotic episode requiringtreatment

  • Reduction (improvement) in PANSS total score of ≥20% between Screening and Baseline.

  • Current or past history of significant cardiovascular, pulmonary, gastrointestinal,renal, hepatic, metabolic, genitourinary, endocrine (including diabetes mellitus),malignancy (except for basal cell carcinoma of the skin and cervical carcinoma insitu, at the discretion of the investigator), hematological, immunological,neurological, or psychiatric disease that, in the opinion of the investigator ormedical monitor, could compromise either participant safety or the results of thetrial.

  • Active central nervous system infection, demyelinating disease, degenerativeneurological disease, brain tumor, prior hospitalization for severe head trauma,seizures (excluding febrile seizures in childhood), or any central nervous systemdisease deemed to be progressive during the course of the trial that may confoundthe interpretation of the trial results

  • Diagnosis of moderate to severe substance or alcohol-use disorder (excludingnicotine or caffeine) as per DSM-5 criteria within 12 months prior to signing theICF.

  • Risk for suicidal behavior as assessed by the Columbia-Suicide Severity Rating Scale (C-SSRS) and investigator's clinical assessment.

  • Any condition that could possibly affect drug absorption.

  • Use of prohibited medications prior to randomization within the required wash-outperiod or likely to require prohibited concomitant therapy during the trial.

  • Clinically significant abnormal findings on the physical examination, medicalhistory review, ECG, or clinical laboratory results at screening.

  • Positive pregnancy test result prior to receiving IMP. Note: female participants whoare pregnant, breastfeeding, or planning to become pregnant during IMP treatment orwithin 7 days after the last dose of IMP are also excluded.

Study Design

Total Participants: 385
Treatment Group(s): 3
Primary Treatment: Placebo
Phase: 2
Study Start date:
June 30, 2022
Estimated Completion Date:
August 26, 2024

Connect with a study center

  • Razgrad

    Razgrad, 7200
    Bulgaria

    Site Not Available

  • Stara Zagora

    Stara Zagora, 6003
    Bulgaria

    Site Not Available

  • Veliko Tarnovo

    Veliko Tarnovo, 5000
    Bulgaria

    Site Not Available

  • Veliko Tarnovo, Veliko Tarnovo

    Veliko Tarnovo, 5047
    Bulgaria

    Site Not Available

  • Vratsa, Vratsa

    Vratsa, 3000
    Bulgaria

    Site Not Available

  • Little Rock, Arkansas

    Little Rock, Arkansas 72211-3702
    United States

    Site Not Available

  • Anaheim, California

    Anaheim, California 92805-5854
    United States

    Site Not Available

  • Garden Grove, California

    Garden Grove, California 92845-2506
    United States

    Site Not Available

  • Lemon Grove, California

    Lemon Grove, California 91945-2956
    United States

    Site Not Available

  • Montclair, California

    Montclair, California 91763-2231
    United States

    Site Not Available

  • Riverside, California

    Riverside, California 92506-3257
    United States

    Site Not Available

  • San Diego, California

    San Diego, California 92123
    United States

    Site Not Available

  • Hialeah, Florida

    Hialeah, Florida 33012-4648
    United States

    Site Not Available

  • Hollywood, Florida

    Hollywood, Florida 33021-5414
    United States

    Site Not Available

  • Mangonia Park, Florida

    Mangonia Park, Florida 33407-2413
    United States

    Site Not Available

  • Miami, Florida

    Miami, Florida 33155
    United States

    Site Not Available

  • Oakland Park, Florida

    Oakland Park, Florida 33334-4135
    United States

    Site Not Available

  • Atlanta, Georgia

    Atlanta, Georgia 30328-4018
    United States

    Site Not Available

  • Decatur, Georgia

    Decatur, Georgia 30030-3438
    United States

    Site Not Available

  • Shreveport, Louisiana

    Shreveport, Louisiana 71101-4603
    United States

    Site Not Available

  • Gaithersburg, Maryland

    Gaithersburg, Maryland 20877-1409
    United States

    Site Not Available

  • Flowood, Mississippi

    Flowood, Mississippi 39232-8016
    United States

    Site Not Available

  • North Canton, Ohio

    North Canton, Ohio 44720
    United States

    Site Not Available

  • Oklahoma City, Oklahoma

    Oklahoma City, Oklahoma 73112-8766
    United States

    Site Not Available

  • DeSoto, Texas

    DeSoto, Texas 75115-2092
    United States

    Site Not Available

  • Houston, Texas

    Houston, Texas 77043-2735
    United States

    Site Not Available

  • Irving, Texas

    Irving, Texas 75062-2323
    United States

    Site Not Available

  • Richardson, Texas

    Richardson, Texas 75080
    United States

    Site Not Available

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