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GWP42003-P

Phase 3

Infantile Spasms | Small molecule | Other |Jazz Pharmaceuticals plc|Last Updated: Sep 2, 2022

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
UNCONTROLLEDDMC
Total Trials2
Total Enrollment18
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02954887Phase 3 Trial of Cannabidiol (CBD; GWP42003-P) for Infantile Spasms: Open-label Extension Phase (GWPCARE7)PHASE3 COMPLETED 9May 12, 2017Jun 13, 2019Sep 2, 20227 United States, Poland
NCT02953548Trial of Cannabidiol (CBD; GWP42003-P) for Infantile Spasms (GWPCARE7)PHASE3 COMPLETED 9Apr 24, 2017May 7, 2018Sep 2, 20228 United States, Poland
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Study Endpoints
Primary Endpoints
Number of Participants With Severe Treatment-emergent Adverse Events (TEAEs)
From signing of informed consent up to Day 417

TEAEs were collected in members of the Safety Population, comprised of all participants who received at least 1 dose of GWP42003-P. TEAEs are defined as all adverse events not present prior to the first investigational medicinal product (IMP) or placebo administration or any event already present that worsened in severity or frequency following IMP.

Number of Participants With Any Low or High Hematology Laboratory Parameter Value
Days 19, 29, 43, 71, 127, 211, 295, 379, and 389
Number of Participants With Any Low or High Biochemistry Laboratory Parameter Value
Days 19, 29, 43, 71, 127, 211, 295, 379, and 389
Number of Participants With Any Clinically Relevant Urinalysis Parameter Value
Days 19, 29, 43, 71, 127, 211, 295, 379, and 389

Clinical relevance was determined by the investigator.

Number of Participants With Clinically Significant Electrocardiogram Findings
From signing of informed consent up to Day 389

Clinical significance was determined by the investigator.

Number of Participants With Clinically Significant Vital Sign Findings
From signing of informed consent up to Day 389

Clinical significance was determined by the investigator.

Number of Participants With Clinically Significant Physical Examination Findings
From signing of informed consent up to Day 389

Clinical significance was determined by the investigator.

Number of Participant With Any Clinically Relevant Urinalysis Parameter Value
Day 4 and Day 15

Clinical relevance was determined by the investigator.

Secondary Endpoints
Number of Participants Free of Clinical Spasms
Days 29, 43, 127, 211, 295, and 379
Percentage of Participants Free of Clinical Spasms
Days 29, 43, 127, 211, 295, and 379
Number of Participants With a Resolution of Hypsarrhythmia
Days 29, 43, 127, 211, 295, and 379
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
GWP42003-PEXPERIMENTALAdministered orally, up to the target dose recommended by the data safety monitoring committee. Participants continue at the target dose, or the highest tolerated dose up to the target dose, for a total of 12 months' treatment.
Interventions
NameTypeDescription
GWP42003-PDRUGClear, colorless to yellow solution containing cannabidiol dissolved in the excipients sesame oil and anhydrous ethanol with added sweetener (sucralose) and strawberry flavoring.
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Eligibility Criteria
Age Range1 Month — 24 Months
SexALL
Healthy VolunteersNo
Study Sites7

Only participants who completed the pilot or pivotal phases of the trial may proceed to take part in this open-label extension phase of the trial. Key eligibility criteria for the blinded phase were as follows: Key Inclusion Criteria: * Participant is diagnosed with IS and has failed to respond a...

Countries:United StatesPoland
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