Withdrawal Study to Demonstrate the Maintenance Effect in the Treatment of Non-24-Hour Sleep-Wake Disorder
Public ClinicalTrials.gov record NCT01430754. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized Withdrawal Study to Demonstrate the Maintenance of Effect of 20 mg Tasimelteon in the Treatment of N24HSWD
Study identification
- NCT ID
- NCT01430754
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Vanda Pharmaceuticals
- Industry
- Enrollment
- 20 participants
Conditions and interventions
Conditions
Interventions
- tasimelteon Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- Not listed
- 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
- Aug 31, 2011
- Primary completion
- Nov 30, 2012
- Completion
- Nov 30, 2012
- Last update posted
- Oct 9, 2014
2011 – 2012
United States locations
- U.S. sites
- 22
- U.S. states
- 17
- U.S. cities
- 22
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pulmonary Associates, PA | Phoenix | Arizona | 85006 | — |
| SDS Clinical Trials Inc. | Orange | California | 92868 | — |
| VA Palo Alto Health Care System/PAIRE (San Fransisco Bay Area) | Palo Alto | California | 94304 | — |
| St. Johns Sleep Disorder Center - St. Johns Medical Plaza | Santa Monica | California | 90404 | — |
| Radiant Research - Denver | Denver | Colorado | 80239 | — |
| PAB Clinical Research Inc. | Brandon | Florida | 33511 | — |
| Kendall South Medical Center, Inc. | Miami | Florida | 33175 | — |
| Ocean Sleep Disorders Center - Ormond Beach | Ormond Beach | Florida | 32174 | — |
| Sleep Disorders Center Of Georgia | Atlanta | Georgia | 30342 | — |
| Suburban Lung Associates SC | Elk Grove Village | Illinois | 60007 | — |
| The Center for Sleep and Wake Disorders (Washington, D.C. Metropolitan Area) | Chevy Chase | Maryland | 20815 | — |
| Brigham and Women's Hospital | Boston | Massachusetts | 02115 | — |
| Michigan Head-Pain Neurological Institute | Ann Arbor | Michigan | 48104 | — |
| St. Luke's Sleep Medicine and Research Center (St. Louis Metropolitan Area) | Chesterfield | Missouri | 63017 | — |
| New York Eye and Ear Infirmary | New York | New York | 10003 | — |
| Ohio Sleep Medicine Institute (Columbus Metropolitan Area) | Dublin | Ohio | 43017 | — |
| Lynn Health Science Institute | Oklahoma City | Oklahoma | 73112 | — |
| Columbia Research Group Inc. | Portland | Oregon | 97239 | — |
| Mercy Fitzgerald Hospital - Sleep Disorders Center (Philadelphia Metropolitan Area) | Lafayette Hill | Pennsylvania | 19444 | — |
| Consolidated Clinical trials | Pittsburgh | Pennsylvania | 15221 | — |
| SleepMed, Inc. - Columbia | Columbia | South Carolina | 29201 | — |
| Todd J. Swick, M.D., P.A. | Houston | Texas | 77063 | — |
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 NCT01430754, 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 Oct 9, 2014 · Synced Jul 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01430754 live on ClinicalTrials.gov.