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Clinical trialNCT00850070CompletedPhase 2Interventional

Sapropterin as a Treatment for Autistic Disorder

SponsorThe Children's Health CouncilEnrollment46Autistic Disorder
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This study is intended to provide a definitive test of the hypothesis that elevating sapropterin (tetrahydrobiopterin, a cofactor for several key brain enzymes)concentrations in the CNS will result in measurable improvements in core symptoms of autism in young individuals, under age 6 years. The study will entail a double-blind, placebo-controlled 16-week intervention.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • the Children'S Health Council

    Palo Alto, California, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

PlaceboSapropterin →
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 Mar 2009
Primary completion
31 Aug 2011
Completion
31 Oct 2011
Last update posted
1 May 2018
Registered enrollment
46
Registry id
NCT00850070
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.