Methylphenidate for Attention Deficit Hyperactivity Disorder and Autism in Children

NCT00178503 · Status: COMPLETED · Phase: PHASE2/PHASE3 · Type: INTERVENTIONAL · Enrollment: 24

Last updated 2013-05-09

Study results available
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Summary

This study examined the cognitive and behavioral differences in children who have an autism spectrum disorder (ASD) with or without additional symptoms of ADHD. The study also examined the effectiveness of a range of doses of methylphenidate in improving cognitive and behavioral outcomes in children with both ASD and ADHD.

Conditions

  • Autism
  • Attention Deficit Disorder With Hyperactivity

Interventions

DRUG

Methylphenidate-extended release

Methylphenidate-extended release was taken in the morning of the MPH treatment trial. Each participant underwent 1 week of the each of the doses as determined by body weight. The lower body weight group (20 to 24 kg/44 to 52.8 lbs) took 10 mg Ritalin LA to 20 mg. The medium body weight group (25 to 33 kg/55 to 72.6 lbs) took from 10 mg Ritalin LA to 30 mg. The higher body weight group (34 to 59 kg/74.8 to 129.8 lbs) took 20 mg Ritalin LA to 40 mg.

DRUG

Methylphenidate-immediate release

Methylphenidate-immediate release was taken in the late afternoon. Each participant underwent 1 week at each of the 3 dose levels as determined by body weight. The lower body weight group (20 to 24 kg/44 to 52.8 lbs) took 2.5 mg IR-MPH and 2 weeks of 5 mg. The medium body weight group (25 to 33 kg/55 to 72.6 lbs) took 2 weeks of 5 mg IR-MPH and 1 week of 10 mg. The higher body weight group (34 to 59 kg/74.8 to 129.8 lbs) took 1 week of 5 mg IR-MPH and 2 weeks of 10 mg.

OTHER

Placebo

Participants will take a placebo for 1 full week of the randomized drug trial. They will take one capsule in the morning and one capsule in the afternoon.

Sponsors & Collaborators

  • National Institute of Mental Health (NIMH)

    collaborator NIH
  • The University of Texas Health Science Center, Houston

    lead OTHER

Principal Investigators

  • Deborah A. Pearson, PhD · The University of Texas Health Science Center, Houston

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
SINGLE_GROUP

Eligibility

Min Age
7 Years
Max Age
12 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2005-09-30
Primary Completion
2011-05-31
Completion
2011-05-31

Countries

  • United States

Study Locations

More Related Trials

Entities

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 NCT00178503 on ClinicalTrials.gov