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(UPDATE: APRIL 13, 2015Medical Marijuana Medicine Epidiolex: 54% Decrease In Seizures Reported By American Academy of Neurology)

GW Pharmaceuticals (NASDAQ: GWPH) is one of the leading companies in the research & development of marijuana derived medicines. GWPH has already received European approval for its Sativex, used to treat muscle spasms associated with MS.

The company recently announced that it is beginning the “Phase 3 part of a Phase 2/3 clinical trial of Epidiolex® (cannabidiol or CBD) for the treatment of Dravet syndrome, a rare and catastrophic treatment-resistant form of childhood epilepsy. GW anticipates that top-line data from this trial will be available around the end of 2015.”

GW Pharmaceuticals Press Release:

March 31, 2015

GW Pharmaceuticals Initiates First Phase 3 Pivotal Trial for Epidiolex in Dravet Syndrome

LONDON, March 31, 2015 (GLOBE NEWSWIRE) — GW Pharmaceuticals plc (Nasdaq:GWPH) (AIM:GWP) (“GW,” “the Company” or “the Group”), a biopharmaceutical company focused on discovering, developing and commercializing novel therapeutics from its proprietary cannabinoid product platform, announces it has initiated the Phase 3 part of a Phase 2/3 clinical trial of Epidiolex® (cannabidiol or CBD) for the treatment of Dravet syndrome, a rare and catastrophic treatment-resistant form of childhood epilepsy. GW anticipates that top-line data from this trial will be available around the end of 2015.

“Dravet syndrome is a rare and catastrophic form of pediatric epilepsy in which there is a substantial unmet need and for which there are no specifically approved medicines in the United States,” stated Orrin Devinsky MD, Professor of Neurology, Neurosurgery, and Psychiatry at NYU School of Medicine, and Principal Investigator of the trial. “This Phase 3 clinical trial of Epidiolex in Dravet syndrome is the first ever rigorous placebo-controlled trial of pure pharmaceutical cannabidiol (CBD) in the field of epilepsy and, as such, a trial of significant interest for the entire epilepsy physician and patient communities.”

“GW is dedicated to developing Epidiolex for Dravet syndrome as rapidly as possible. As such, the start of the first Dravet syndrome Phase 3 trial is a significant milestone for our Company and we are on track to start the second Phase 3 trial very shortly,” stated Justin Gover, GW’s Chief Executive Officer. “We look forward to working with epilepsy physicians across the United States to execute this program with the objective of submitting a New Drug Application for Epidiolex to the FDA in mid-2016.”

The Phase 3 trial is the second part of a two-part randomized double-blind, placebo-controlled parallel group safety, tolerability, pharmacokinetic and efficacy trial of Epidiolex to treat Dravet syndrome in children who are being treated with other anti-epileptic drugs. Part one completed in February 2015 and comprised the pharmacokinetic and dose-finding elements of the trial in a total of 34 patients over a three week treatment period. The dose for part two has been determined as 20mg/kg by a Data Safety Monitoring Committee (DSMC) after assessment of the part one safety and pharmacokinetic data.

Part two is a 14-week comparison of Epidiolex versus placebo in a total of 100 patients to assess the safety and efficacy as an adjunctive antiepileptic treatment. The primary measure of this trial will be the percentage change from baseline in convulsive seizure frequency during the maintenance period of the study in patients taking Epidiolex versus placebo. Several additional efficacy and safety secondary outcome measures will be analysed. Part two will recruit an entirely new group of patients who did not participate in part one. Following their participation in the study, all patients are eligible to receive Epidiolex under a long term open label extension study.

GW anticipates commencing the second pivotal Phase 3 trial in Dravet syndrome soon after this first trial, which will run in parallel with this Phase 2/3 trial. The Company also expects to commence two Phase 3 clinical trials in Lennox-Gastaut syndrome early in the second quarter of 2015. These additional pivotal trials are all expected to complete recruitment in 2015.

To obtain information about this clinical trial or eligibility criteria, the treating physician should contact:medicaldirector@gwpharm.com

About GW Pharmaceuticals plc

Founded in 1998, GW is a biopharmaceutical company focused on discovering, developing and commercializing novel therapeutics from its proprietary cannabinoid product platform in a broad range of disease areas. GW commercialized the world’s first plant-derived cannabinoid prescription drug, Sativex®, which is approved for the treatment of spasticity due to multiple sclerosis in 27 countries outside the United States. GW is advancing an orphan drug program in the field of childhood epilepsy with a focus on Epidiolex ®, which is in Phase 3 clinical development for the treatment of Dravet syndrome and which is also expected to enter Phase 3 clinical trials in the treatment of Lennox-Gastaut syndrome. GW has a deep pipeline of additional cannabinoid product candidates which includes Sativex in Phase 3 clinical development as a potential treatment of pain associated with advanced cancer, as well as compounds in Phase 1 and 2 trials for glioma, ulcerative colitis, type 2 diabetes, and schizophrenia. For further information, please visit www.gwpharm.com.

CONTACT: GW Pharmaceuticals plc

         (Today)  +44 20 3727 1000

         Stephen Schultz, VP Investor Relations (U.S.)

         917 280 2424 / 401 500 6570

         

         FTI Consulting (Media Enquiries)

         Ben Atwell / Simon Conway / John Dineen (UK)

         + 44 20 3727 1000

         Robert Stanislaro (U.S.)

         212 850 5657

         

         Trout Group, LLC (U.S. investor relations)

         Todd James / Chad Rubin

         646 378 2900

(WeedJournal.org has no position in any of the stocks mentioned in this article.)

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