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CVL-865

Phase 2

Seizures | Small molecule | Neurology |AbbVie Inc.|Last Updated: May 30, 2025

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
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment154
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04244175A Trial of the Efficacy and Safety of CVL-865 as Adjunctive Therapy in the Treatment of Focal Onset SeizuresPHASE2 COMPLETED 154Jan 27, 2020May 21, 2024May 30, 202576 United States, Australia +5
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Study Endpoints
Primary Endpoints
Response Ratio (RRatio)
Baseline Period; Maintenance Phase Days 15 through 71

Response Ratio (RRatio) is calculated as RRatio=(T-B)/(T+B) ×100, where T represents the focal onset seizure frequency rate per week in the Maintenance Phase and B represents the focal onset seizure frequency rate per week in the Baseline Period. The Response Ratio ranges between -100 and 100; negative values indicate reduction in seizure rate and positive values indicate increase in seizure rate during treatment.

Secondary Endpoints
Percentage Change From Baseline in Focal Onset Seizure Frequency Per Week Over the Maintenance Phase
Baseline Period; Maintenance Phase Days 15 through 71
Percentage of Participants With 50 Percent (%) Responder Rate
Baseline Period; Maintenance Phase Days 15 through 71
Percentage of Seizure-free Participants During the Maintenance Phase
Maintenance Phase Days 15 through 71
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PlaceboPLACEBO_COMPARATORParticipants received a placebo matched to CVL-865 tablets orally twice a day (BID) during the 2-week Titration Phase, the 8-week Maintenance Phase, and the 3-week Taper Phase.
CVL-865 7.5 mg BIDEXPERIMENTALCVL-865 tablets were administered orally as 2.5 mg twice a day (BID) for 1 week followed by 5 mg BID for another week during the Titration Phase, and then 7.5 mg BID during the 8-week Maintenance Phase. For participants not enrolling into the open-label extension trial, following the Maintenance Phase the dose was gradually decreased over a 3-week Taper Phase.
CVL-865 25 mg BIDEXPERIMENTALCVL-865 tablets were administered orally as 5 mg twice a day (BID) for 1 week followed by 12.5 mg for another week during the Titration Phase, and then 25 mg BID during the 8-week Maintenance Phase. For participants not enrolling into the open-label extension trial, following the Maintenance Phase the dose was gradually decreased over a 3-week Taper Phase.
Interventions
NameTypeDescription
PlaceboDRUGParticipants received CVL-865 matched placebo tablets orally twice a day (BID) during the Treatment Period.
CVL-865DRUGParticipants received CVL-865 tablets orally twice a day (BID) up to the maximum dose of 7.5 mg BID or 25 mg BID during the Treatment Period.
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersNo
Study Sites76

Inclusion Criteria: * Participants with a diagnosis of epilepsy with focal onset, as defined in the International League Against Epilepsy (ILAE) Classification of Seizures, focal aware (except participants with only focal aware seizures without a motor component), focal impaired awareness, and foca...

Countries:United StatesAustraliaPolandSerbiaSouth KoreaSpainUkraine
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