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Completed Phase 2Phase 3 Interventional Results available

A Trial of Levodopa in Angelman Syndrome

ClinicalTrials.gov ID: NCT01281475

Public ClinicalTrials.gov record NCT01281475. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 3:32 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2 Randomized Placebo-Controlled Trial of Levodopa in Angelman Syndrome

Study identification

NCT ID
NCT01281475
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
Wen-Hann Tan
Other
Enrollment
67 participants

Conditions and interventions

Interventions

  • Levodopa Drug
  • Placebo Oral Capsule Drug

Drug

Eligibility (public fields only)

Age range
4 Years to 12 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 31, 2010
Primary completion
Jun 30, 2015
Completion
Jun 30, 2015
Last update posted
Jul 14, 2020

2011 – 2015

United States locations

U.S. sites
7
U.S. states
6
U.S. cities
7
Facility City State ZIP Site status
Rady Children's Hospital, San Diego San Diego California 92123
University of California, San Francisco San Francisco California 94121
Children's Hospital Boston Boston Massachusetts 02115
Cincinnati Children's Hospital Cincinnati Ohio 45229
Greenwood Genetic Center Greenwood South Carolina 29646
Vanderbilt University Medical Center Nashville Tennessee 37212
Baylor College of Medicine Houston Texas 77030

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01281475, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 14, 2020 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01281475 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →