# An Open Label Extension Study of Cannabidiol (GWP42003-P) in Children and Adults With Dravet or Lennox-Gastaut Syndromes

> **NCT02224573** · PHASE3 · COMPLETED · sponsor: **GW Research Ltd** · enrollment: 681 (actual)

## Conditions studied

- Epilepsy
- Dravet Syndrome
- Lennox-Gastaut Syndrome

## Interventions

- **DRUG:** GWP42003-P

## Key facts

- **NCT ID:** NCT02224573
- **Lead sponsor:** GW Research Ltd
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2015-06-11
- **Primary completion:** 2020-09-24
- **Final completion:** 2020-09-24
- **Target enrollment:** 681 (ACTUAL)
- **Last updated:** 2022-02-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02224573

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02224573, "An Open Label Extension Study of Cannabidiol (GWP42003-P) in Children and Adults With Dravet or Lennox-Gastaut Syndromes". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02224573. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
