RecruitingPhase 3NCT06690398

Multicenter Study of Lumateperone for the Treatment of Irritability Associated With Autism Spectrum Disorder in Pediatric Patients

A Randomized, Double-blind, Placebo-controlled, Multicenter Study to Assess the Efficacy and Safety of Lumateperone in the Treatment of Irritability Associated With Autism Spectrum Disorder in Pediatric Patients 5 to 17 Years of Age


Sponsor

Intra-Cellular Therapies, Inc.

Enrollment

174 participants

Start Date

Nov 22, 2024

Study Type

INTERVENTIONAL

Conditions

Summary

This is a multicenter, randomized, double-blind, placebo-controlled study in pediatric patients aged 5 to 17 years with a primary diagnosis of irritability associated with Autism Spectrum Disorder (ASD) based on Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition Text Revision (DSM-5-TR) and confirmed by the Kiddie Schedule for Affective Disorders and Schizophrenia Present and Lifetime Version (K-SADS-PL).


Eligibility

Min Age: 5 YearsMax Age: 17 Years

Inclusion Criteria8

  • All patients must have a legally authorized representative LAR (eg, parent or legal guardian) who is willing and able to be responsible for the safety and well-being of the patient, provide information about the patient's condition, and accompany the patient to study visits.
  • Able to provide consent as follows:
  • The patient's LAR must provide written, informed consent.
  • When developmentally appropriate based on Investigator judgment, the patient should provide written assent.
  • Male or female patients 5 to 17 years of age. Currently, only patients aged 13 to 17 years will be eligible for enrollment.
  • Meet Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition Text Revision (DSM-5-TR) primary diagnosis of ASD as confirmed by the Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime Version (K-SADS-PL);
  • ABC-I subscale score of >18 at Screening and Baseline;
  • CGI-S score > 4 with respect to irritability associated with ASD at Screening and Baseline.

Exclusion Criteria8

  • Has a primary psychiatric diagnosis other than ASD. Exceptions include:
  • Attention Deficit Hyperactivity Disorder (ADHD). If a patient is taking medication(s) for ADHD, they must be on a stable treatment regimen of these medication(s) for 30 days prior to screening and the treatment regimen is expected to remain stable throughout the study. This must be confirmed by the Investigator and noted in the source records.
  • Mild and moderate intellectual disability based on Investigator judgment and DSM-5 criteria (severe and profound intellectual disability are excluded).
  • History or current diagnosis of Rett syndrome or Fragile X syndrome;
  • In the opinion of the Investigator, the patient has a significant risk for suicidal behavior during their participation in the study or
  • At Screening, the patient scores "yes" on Suicidal Ideation Items 3, 4, or 5 of the Columbia-Suicide Severity Rating Scale (C-SSRS) within 6 months prior to Screening or, at Baseline, the patient scores "yes" on Suicidal Ideation Items 3, 4, or 5 since the Screening Visit;
  • At Screening, the patient has had 1 or more suicidal attempts within the 2 years prior to Screening; or
  • The patient is considered to be an imminent danger to themselves or others.

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Interventions

DRUGLumateperone high dose

Lumateperone administered orally once daily

DRUGLumateperone low dose

Lumateperone administered orally once daily

DRUGPlacebo

Matching Placebo administered orally once daily


Locations(37)

Clinical Site

Dothan, Alabama, United States

Clinical Site

Peoria, Arizona, United States

Clinical Site

Phoenix, Arizona, United States

Clinical Site

Anaheim, California, United States

Clinical Site

Buena Park, California, United States

Clinical Site

Corona, California, United States

Clinical Site

Oceanside, California, United States

Clinical Site

Redlands, California, United States

Clinical Site

Upland, California, United States

Clinical Site

West Covina, California, United States

Clinical Site

Colorado Springs, Colorado, United States

Clinical Site

Gainesville, Florida, United States

Clinical Site

Jacksonville, Florida, United States

Clinical Site

Miami, Florida, United States

Clinical Site

Miami, Florida, United States

Clinical Site

Miami, Florida, United States

Clinical Site

Miami, Florida, United States

Clinical Site

Miami Lakes, Florida, United States

Clinical Site

Miami Springs, Florida, United States

Clinical Site

West Palm Beach, Florida, United States

Clinical Site

Savannah, Georgia, United States

Clinical Site

Arlington Heights, Illinois, United States

Clinical Site

Springfield, Illinois, United States

Clinical Site

Boston, Massachusetts, United States

Clinical Site

Saint Charles, Missouri, United States

Clinical Site

Las Vegas, Nevada, United States

Clinical Site

Cincinnati, Ohio, United States

Clinical Site

Garfield, Ohio, United States

Clinical Site

Westlake, Ohio, United States

Clinical Site

Nashville, Tennessee, United States

Clinical Site

Dallas, Texas, United States

Clinical Site

Frisco, Texas, United States

Clinical Site

Houston, Texas, United States

Clinical Site

Plano, Texas, United States

Clinical Site

Richmond, Texas, United States

Clinical Site

Petersburg, Virginia, United States

Clinical Site

Bellevue, Washington, United States

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