Status:

COMPLETED

Tetrahydrobiopterin Treatment in Children With Idiopathic Cognitive Developmental Disorders

Lead Sponsor:

The University of Texas Health Science Center, Houston

Collaborating Sponsors:

BioMarin Pharmaceutical

Conditions:

Autism Spectrum Disorder

Eligibility:

All Genders

2-6 years

Phase:

NA

Brief Summary

The purpose of this study is to develop biomarkers for central nervous system BH4 concentration in children with autism so they can be easily screened to determine if they may benefit from BH4 supplem...

Detailed Description

SUMMARY PURPOSE: The purpose of this study is to develop biomarkers for central nervous system BH4 concentration in children with autism so they can be easily screened to determine if they may benefi...

Eligibility Criteria

Inclusion

  • Children 2 years 0 months to 6 years 11 months of age will be recruited.
  • Delay in language and/or social development with or without delays in gross and/or fine motor development.
  • CSF BH4 level less than or equal to 30 nM/L as determined by lumbar puncture.
  • Adaptive Behavior greater than 50 as determined by the Vineland Adaptive Behavior Scale.

Exclusion

  • Epilepsy / Seizure disorder as determined by medical history.
  • Epileptiform discharges without clinical seizures.
  • Metabolic disorder that would be a contraindication to tetrahydrobiopterin treatment.
  • Genetic disorder
  • Therapies that cannot be maintained at a constant level or have not been ongoing for more than 3 months as determined by medical history
  • Prematurity
  • Developmental delay isolated to motor delay.
  • Current gastroesophageal reflux
  • Current or history of liver or kidney disease
  • Severe irritability (as determined by the aberrant behavior checklist)
  • Drugs known to affect folate metabolism (e.g., methotrexate) and their derivatives
  • Patients who are receiving drugs that affect nitric oxide-mediated vasorelaxation (e.g., PDE-5 inhibitors such as sildenafil, vardenafil, or tadalafil)
  • Patients who are receiving levodopa.

Key Trial Info

Start Date :

July 1 2010

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

September 1 2011

Estimated Enrollment :

10 Patients enrolled

Trial Details

Trial ID

NCT01141595

Start Date

July 1 2010

End Date

September 1 2011

Last Update

April 1 2014

Active Locations (1)

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1

Arkansas Children's Hospital Research Institute

Little Rock, Arkansas, United States, 72202