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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00308074
Other study ID # CHA-IRB-0119/06/05
Secondary ID
Status Completed
Phase Phase 2
First received March 28, 2006
Last updated December 2, 2010
Start date February 2006
Est. completion date February 2009

Study information

Verified date December 2010
Source Cambridge Health Alliance
Contact n/a
Is FDA regulated No
Health authority United States: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

The aim of this study is to evaluate the efficacy, safety and tolerability of aripiprazole monotherapy in the treatment of children and adolescents suffering from ASD over a 12-week period. We hypothesize that aripiprazole may be helpful in reducing ASD-associated symptoms of anxiety and aggression, resulting in significant improvements in global outcome.


Description:

Study Design: Fifteen patients with DSM-IV diagnoses of Autism, Asperger's Disorder or PDD NOS will be enrolled in this 12-week open-label study. Parents of potential subjects will do a preliminary phone screen, followed by a clinical evaluation by a psychiatrist for possible inclusion in the study. Informed written consent and assent will be obtained from the parents and subjects respectively once deemed competent and before the initiation of any study procedures.

Clinical Evaluation will use the Autism Diagnostic Interview (ADI-R) and the Autism Diagnostic Observation Schedule (ADOS) to establish a formal diagnosis.

Study Procedures Baseline Assessments: Many baseline measures for physical health will be done at the screening visit and during the first weekly visit. These will include a clinical interview, physical and neurological examination will be done during the screening period and height, weight and vital signs, and a calculation of his/her Body Mass Index (BMI) will be done during the screening period and during the first weekly visit. Laboratory measures at baseline and study completion will include a complete metabolic panel (with liver transaminases) and complete blood count with differential. Further measures will include a fasting lipid profile, hemoglobin A1C, prolactin level and insulin levels, and fasting blood sugar level (FBS). Serum albumin will be measured not only as a measure of nutritional state, but also in accordance with the fact that aripiprazole is 99% protein-bound. An ECG will be performed at the beginning and end of the study to monitor for possible cardiac effects. These measures are aimed at monitoring side effects reported in the use of other medications in this class. Urine pregnancy tests will be performed for each female subject at the beginning and end of the study.

Outcome measures will include the Yale-Brown Obsessive Compulsive Scale (Y-BOCS), Brief Psychiatric Rating Scale for children (BPRS-C), Clinical Global Impression - Severity (CGI-S), Vineland Adaptive Behavior Scale (VABS) and the Atypical Children's Development Scale (ACDS).

Baseline parameters for extrapyramidal side effects will be established using the Abnormal Involuntary Movement Scale (AIMS), the Simpson Angus Extrapyramidal Side Effect Scale (SAEPS) and the Barnes Akathisia Rating Scale. Baseline values for general side effects will be compiled using the Monitoring of Side Effects System (MOSES).

Weekly visits: At all visits, patients will undergo a clinical interview, vital signs, and weight measures. Custodial guardian(s) will provide collateral information. The weekly "short" visits will occur at weeks 2, 4, 6, 8, 10 and 12. They will be about 45 minutes in duration.

Ongoing outcome measures will be performed at visits 3, 5, 7, 9 and 11. The visits will be about 1-1.5 hours in duration. The measures done will include those at the short visits, as well as the Y-BOCS, BPRS, ABC and CGI-S. Side effects will be monitored using the AIMS, SAEPS, Barnes Akathisia Scale and MOSES at these visits.

Termination Visit: The last visit (Visit 13 or earlier if patient drops out of the study) will include the repetition of all measures at visit 1 (except the ADI-R) and will last about 2 hours. All baseline laboratory measures will be repeated at this time.

Follow-Up Patient Care: After completion of the clinical trial, the patients will be followed at the CHA Center for Child and Adolescent Development until they can be referred back to their original psychiatric providers or to appropriate treatment providers in the community.

Medication dosing: Aripiprazole will be started at 2.5mg or 5mg depending on clinical impression and severity of especially aggression and agitation. At the weekly visits, the dose will be adjusted in not more than 5mg increments according to clinical impression. The lowest effective dose will be used, up to a maximum dose of 20mg.

Patients already taking psychotropic medications will be tapered off their medications during the first 1-2 weeks of the study. The dose will be reduced to 67% of the initial dose for 3 days and then to 33% of the initial dose for 3 days and then the medication(s) will be discontinued. The subjects will remain off of on enrollment medications for 5 half lives and then aripiprazole will be initiated. Anticonvulsant medications taken for seizure control may be continued throughout the trial as long as the subject has been on a stable dose for 30 days prior to the study and has been seizure free for 6 months. These medication doses will be held stable throughout the trial.

Adverse Events: Any serious adverse event leading to hospitalization will lead to study discontinuation. Any event requiring concomitant medication(s) will also lead to discontinuation. Adverse events will be reported to the IRB if there is an event requiring medical attention, or scores 3 or higher on the MOSES scale. Also, failure to comply with the study instructions will result in termination from the protocol.


Recruitment information / eligibility

Status Completed
Enrollment 15
Est. completion date February 2009
Est. primary completion date December 2008
Accepts healthy volunteers No
Gender Both
Age group 6 Years to 17 Years
Eligibility Inclusion Criteria:

- Males and Females ages 6-17

- A diagnosis of Autism, Asperger's Disorder, or PDD NOS

- Medically healthy

- Ability to give assent

- Significant tantrums, aggression, self-injurious behavior and/or agitation by achieving a score of 18 or higher on the Aberrant Behavior Checklist-irritability subscale and a score of moderate or higher on the Clinical Global Impressions-Severity Scale.

Exclusion Criteria:

- Co-morbid serious mental illness.

- IQ <50, based on verified records of cognitive testing performed within 2 years of enrollment. In event that suitable records of prior testing are unavailable, IQ will be estimated using the Wechsler Abbreviated Scale of Intelligence (WASI, 1999 Harcourt Assessment, Inc.).

- Significant active medical and/or neurological illness.

- Subjects that require other psychotropic medications such as antidepressants, mood stabilizers, anticonvulsants, stimulants, sedatives, or other antipsychotic medications in order to maintain clinical stability.

- Active substance abuse/dependence based upon history and urine toxicology screen.

- Inability to have blood drawn at baseline and termination visits.

- Known allergy or hypersensitivity to aripiprazole or its ingredients.

- Patients clinically stable on current medications.

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Intervention

Drug:
Aripiprazole
open-label, flexible-dosing

Locations

Country Name City State
United States Cambridge Health Alliance Medford Massachusetts

Sponsors (2)

Lead Sponsor Collaborator
Cambridge Health Alliance Bristol-Myers Squibb

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Clinical Global Impressions-Improvement Weekly No
Primary Aberrant Behavior Checklist-Irritability subscale Weekly No
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