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KP415

Phase 3

ADHD | Small molecule | Psychiatry |Zevra Therapeutics, Inc.|Last Updated: Jul 19, 2021

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 Trials2
Total Enrollment437
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03460652KP415 Open-Label Safety Study in Children (6-12 Years of Age) With ADHDPHASE3 COMPLETED 282Mar 13, 2018Jul 9, 2019Jul 19, 202119 United States
NCT03292952KP415 Classroom Study in Children (6-12 Years of Age) With ADHDPHASE3 COMPLETED 155Dec 20, 2017May 16, 2018Jun 30, 20215 United States
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Study Endpoints
Primary Endpoints
Subjects With Treatment-Emergent Adverse Events (TEAEs)
Up to 12 months

TEAEs will be assessed starting following the first dose of study drug, and ending with the Follow-Up Visit or Early Termination Visit.

Change From Baseline in Swanson, Kotkin, Agler, M-Flynn, and Pelham (SKAMP) Combined Scores
Average of all time points during the full laboratory classroom day, which occurred on Day 7 (Day 28 of the overall study) of the Treatment Phase

The SKAMP scale is a validated rating of subjective impairment of classroom behaviors in children with ADHD. It comprises 13 items (grouped under the subcategories of attention, deportment, quality of work, and compliance) on which subjects are rated according to a 7-point scale (0 = normal to 6 = maximal impairment) by trained study personnel (Swanson 1998). The SKAMP-C score was obtained by summing the rating values for each of the 13 items (range: 0-78), with higher scores indicating greater impairment.

Secondary Endpoints
Change From Baseline in ADHD-RS-5 Total Score
Up to 12 months
Change From Baseline in CGI-S
Up to 12 months
Change From Baseline in Children's Sleep Habits Questionnaire
Up to 12 months
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Open-Label KP415EXPERIMENTALKP415 (serdexmethylphenidate \[SDX\] Cl/ d-methylphenidate \[d-MPH\] HCl) oral capsule: 28/6 mg SDX/d-MPH (molar equivalent to 20 mg d-MPH HCl), 42/9 mg SDX/d-MPH (molar equivalent to 30 mg d-MPH HCl), 56/12 mg SDX/d-MPH (molar equivalent to 40 mg d-MPH HCl)
Double-blind KP415EXPERIMENTALKP415 (serdexmethylphenidate \[SDX\] Cl/ d-methylphenidate \[d-MPH\] HCl) oral capsule: 28/6 mg SDX/d-MPH (molar equivalent to 20 mg d-MPH HCl), 42/9 mg SDX/d-MPH (molar equivalent to 30 mg d-MPH HCl), 56/12 mg SDX/d-MPH (molar equivalent to 40 mg d-MPH HCl)
Double-blind PlaceboPLACEBO_COMPARATORPlacebo oral capsule
Interventions
NameTypeDescription
KP415 oral capsuleDRUGOnce-daily oral dose
Placebo oral capsuleDRUGDaily dose
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Eligibility Criteria
Age Range6 Years — 12 Years
SexALL
Healthy VolunteersNo
Study Sites19

Inclusion Criteria: 1. Subject must meet Diagnostic and Statistical Manual of Mental Disorders - Fifth Edition (DSM-5) criteria for a primary diagnosis of ADHD (combined, inattentive, or hyperactive/impulsive presentation) per clinical evaluation and confirmed by the Mini International Neuropsychia...

Countries:United States
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Competitive Landscape -ADHD 3 trials
CompanyTickerTrialsLead PhaseDrugs
Supernus Pharmaceuticals, Inc.SUPN1PHASE3SPN-812
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