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Terminated Phase 3 Interventional Results available

Efficacy and Safety of Cannabidiol Oral Solution (GWP42003-P, CBD-OS) in Patients With Rett Syndrome

ClinicalTrials.gov ID: NCT03848832

Public ClinicalTrials.gov record NCT03848832. 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 24, 2026, 7:11 AM 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 Randomized, Double-blind, Placebo-controlled Trial to Investigate the Efficacy and Safety of Cannabidiol Oral Solution (GWP42003-P, CBD-OS) in Patients With Rett Syndrome

Study identification

NCT ID
NCT03848832
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 3
Lead sponsor
Jazz Pharmaceuticals
Industry
Enrollment
29 participants

Conditions and interventions

Interventions

  • GWP42003-P Drug
  • Placebo 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
Jul 28, 2019
Primary completion
Jan 20, 2021
Completion
Jan 20, 2021
Last update posted
Sep 1, 2022

2019 – 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 San Diego California 92123
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 12 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03848832, 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 Sep 1, 2022 · Synced Jul 24, 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 NCT03848832 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →