A Long-term Safety Study of Cannabidiol Oral Solution (GWP42003-P, CBD-OS) in Patients With Rett Syndrome
Public ClinicalTrials.gov record NCT04252586. 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
An Open-label Extension Trial to Investigate the Long-term Safety of Cannabidiol Oral Solution (GWP42003-P, CBD-OS) in Patients With Rett Syndrome
Study identification
- NCT ID
- NCT04252586
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Jazz Pharmaceuticals
- Industry
- Enrollment
- 21 participants
Conditions and interventions
Conditions
Interventions
- GWP42003-P Drug
Drug
Eligibility (public fields only)
- Age range
- 2 Years to 18 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
- Feb 27, 2020
- Primary completion
- Jun 8, 2021
- Completion
- Jun 8, 2021
- Last update posted
- Aug 7, 2022
2020 – 2021
United States locations
- U.S. sites
- 14
- U.S. states
- 14
- U.S. cities
- 14
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Clinical Trial Site | Birmingham | Alabama | 35294-0021 | — |
| Clinical Trial Site | La Jolla | California | 92093 | — |
| Clinical Trial Site | Aurora | Colorado | 80045 | — |
| Clinical Trial Site | Chicago | Illinois | 60612 | — |
| Clinical Trial Site | Baltimore | Maryland | 21205 | — |
| Clinical Trial Site | Boston | Massachusetts | 02115 | — |
| Clinical Trial Site | Saint Paul | Minnesota | 55101 | — |
| Clinical Trial Site | St Louis | Missouri | 63110-1093 | — |
| Clinical Trial Site | The Bronx | New York | 10467 | — |
| Clinical Trial Site | Cincinnati | Ohio | 45229 | — |
| Clinical Trial Site | Philadelphia | Pennsylvania | 19104 | — |
| Clinical Trial Site | Greenwood | South Carolina | 29646 | — |
| Clinical Trial Site | Nashville | Tennessee | 37232 | — |
| Clinical Trial Site | 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.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 17 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04252586, 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 Aug 7, 2022 · Synced Jul 22, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04252586 live on ClinicalTrials.gov.