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A Study of the Effectiveness and Safety of Two Doses of Risperidone in the Treatment of Children and Adolescents With Autistic Disorder

Risperidone in the Treatment of Children and Adolescents With Autistic Disorder: A Double-Blind, Placebo-Controlled Study of Efficacy and Safety, Followed by an Open-Label Extension Study of Safety

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2015-001220-31-Outside-EU/EEA
Enrollment
96
Registered
2015-03-31
Start date
Unknown
Completion date
Unknown
Last updated
2015-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Autistic disorder MedDRA version: 17.1 Level: LLT Classification code 10003808 Term: Autistic disorder System Organ Class: 100000004852

Interventions

Trade Name: RISPERDAL Pharmaceutical Form: Oral solution INN or Proposed INN: RISPERIDONE Other descriptive name: RISPERIDONE Concentration unit: mg/ml milligram(s)/millilitre Concentration type: up t

Sponsors

Johnson & Johnson Pharmaceutical Research and Development, L.L.C.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - DSM-IV diagnosis of Autistic Disorder (299.00) - ABC-I Subscale score of greater than or equal to 18 - CGI-S of greater than or equal to 4 - mental age >18 months, body weight of at least 20 kg, seizure-free for at least 6 consecutive months and if on anticonvulsants must be on a dosage that has been stable for at least 4 weeks - Medication free for 1 week before the start of the study for all psychotropic drugs, except 4 weeks for fluoxetine and at least 8 weeks for injectable medications - Female patients must be premenarchal or sexually abstinent or, if heterosexually active, must practice an effective method of birth control. Are the trial subjects under 18? yes Number of subjects for this age range: 96 F.1.2 Adults (18-64 years) no F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: - History of prior or current DSM-IV psychotic disorder (e.g., schizophrenia, bipolar disorder, other psychosis), Pervasive Developmental Disorder not otherwise specified (PDD NOS), Asperger's, or Rett's - Any history of hypersensitivity to risperidone, or its excipients in formulation, or other known drug allergy - Patients who received risperidone within 3 months before screening (except p.r.n. use) - Patients who did not demonstrate sufficient clinical response to an adequate trial of risperidone treatment in the past (an adequate trial is defined as a period of at least 4 weeks at an adequate dose) - Neurologic disorder (e.g., Neuroleptic Malignant Syndrome, seizure disorders that are unstable, seizure activity within the past 6 months) - History of alcohol or substance dependence within 3 months of screening - Female subject who is pregnant (positive beta-HCG) or breast feeding - Patients with existing moderate or severe EPS or history of tardive dyskinesia - Patients who have received an experimental drug or used an experimental medical device within 3 months before the planned start of treatment.

Design outcomes

Primary

MeasureTime frame
Secondary Objective: Not applicable;Primary end point(s): Change in Aberrant Behavior Checklist Irritability (ABC-I) subscale;Timepoint(s) of evaluation of this end point: Baseline and 6 weeks;Main Objective: The purpose of this study is to evaluate the effectiveness (change in level of irritability and related behaviors) and safety and tolerability of the administration of 2 different fixed dose levels of risperidone (an atypical antipsychotic drug) compared with placebo in children or adolescents who have autism, and to evaluate the safety and tolerability of the drug for additional 26 weeks after the initial 6-week study period.

Secondary

MeasureTime frame
Secondary end point(s): - Number of participants who had at least 25% improvement in ABC-I - Change in Clinical Global Impression Severity (CGI-S) - Number of participants who had Clinical Global Impression Change ratings of much or very much improved. - Change in Fasting Glucose (mg/dL) at 6 weeks - Change in Insulin Resistance (IR) at 6 weeks - Change in Fasting Glucose (mg/dL) at 6 months - Change in Insulin Resistance (IR) at 6 months;Timepoint(s) of evaluation of this end point: Baseline and/or 6 weeks

Countries

United States

Contacts

Public ContactClinical Registry Group-JB BV

Janssen Research and Development

ClinicalTrialsEU@its.jnj.com

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026