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SPD489

Phase 3

Major Depressive Disorder | Small molecule | Psychiatry |Takeda Pharmaceutical Company Limited|Last Updated: Jun 9, 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 Enrollment1,405
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01436149Efficacy and Safety Study of SPD489 in Combination With an Antidepressant in the Treatment of Adults With Major Depressive DisorderPHASE3 COMPLETED 1,262Oct 27, 2011Dec 23, 2013Jun 9, 202185 United States, Canada +4
NCT00985725SPD489 in Adults With Persistent Executive Function Impairments (EFI) and Partial or Full Remission of Recurrent Major Depressive DisorderPHASE2 COMPLETED 143Oct 29, 2009Apr 18, 2011Jun 8, 202133 United States
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Study Endpoints
Primary Endpoints
Mean Change From Baseline in Montgomery-Asberg Depression Rating Scale (MADRS) Total Score at up to 8 Weeks
8 weeks

MADRS is a validated, 10-item rating scale with each item being scored on a scale from 0-6 with a total score ranging from 0-60. Lower scores indicate a decreased severity of depression.

Change From Baseline in Behavior Rating Inventory of Executive Function - Adult Version Global Executive Composite T-score (BRIEF-A GEC T) at Week 9, Last Observation Carried Forward (LOCF)
Baseline and week 9

BRIEF-A Global Executive Composite assesses behavioral aspects of executive function. Items are rated 1 (never), 2 (sometimes), and 3 (often). There is no range for a total score. Raw scale scores are used to generate T-scores. A reduction in score indicates less impairment.

Secondary Endpoints
Change From Baseline in Sheehan Disability Scale (SDS) Total Score at up to 8 Weeks
8 weeks
Percentage of Participants Achieving a 25% Response on the MADRS
up to 8 weeks
Percentage of Participants Achieving a 50% Response on the MADRS
up to 8 weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Antidepressant + SPD489EXPERIMENTAL -
Antidepressant + PlaceboPLACEBO_COMPARATOR -
ActiveEXPERIMENTALSPD489
PlaceboPLACEBO_COMPARATORPlacebo
Interventions
NameTypeDescription
SPD489 (Lisdexamfetamine dimesylate )DRUGAntidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release or duloxetine hydrochloride) oral, once daily + SPD489 (oral, 20, 30, 50 or 70 mg, once daily) for 8 weeks
PlaceboDRUGAntidepressant (either escitalopram oxalate, sertraline hydrochloride, venlafaxine hydrochloride extended release or duloxetine hydrochloride) oral, once daily + Placebo (oral, once daily) for 8 weeks
SPD489 (Lisdexamfetamine dimesylate)DRUGOral, 20, 30, 40, 50, 60, and 70mg capsules, once daily
Matching placeboDRUGoral, once daily
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersNo
Study Sites85

Inclusion Criteria: * Subject is able to provide written, personally signed, and dated informed consent to participate in the study. * Subject is between 18 and 65 years of age. * Subject has a primary diagnosis of non-psychotic MDD (single or recurrent). * Subject has a MADRS total score 24. * Sub...

Countries:United StatesCanadaCroatiaMexicoPuerto RicoSpain
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