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SCH 900636

Phase 2

Depressive Disorders | Small molecule | Psychiatry |Merck & Company, Inc.|Last Updated: Dec 31, 2014

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_CONTROLLEDDMC
Total Trials1
Total Enrollment16
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00844922Safety of Org 34517 900 mg in Patients Who Received Org 34517 in a Previous Trial (Study 28133/P05842)PHASE2 COMPLETED 16Sep 1, 2005Jun 1, 2006Dec 31, 2014 -
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Study Endpoints
Primary Endpoints
Safety and tolerability measures (vital signs, AEs)
4 weeks
Secondary Endpoints
17-item Hamilton Rating Scale for Depression (HAMD) total score
4 weeks
proportion of BPRS 30% responders; proportion of subjects with sustained BPRS 30% response
4 weeks
proportion of HAMD 50% responders; proportion of subjects with sustained HAMD 50% response
4 weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Org 34517EXPERIMENTALOrg 34517 titrated to 900 mg daily for 2 weeks
PlaceboPLACEBO_COMPARATOR -
Interventions
NameTypeDescription
SCH 900636DRUGOrg 34517 300 mg on Day 1, 600 mg on Day 2, then 900 mg daily starting from Day 3. Subjects in this arm were also to continue the "usual treatment" for psychotic major depression.
PlaceboDRUGPlacebo
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersNo

Inclusion Criteria: * have attended Screening, Baseline, Visit Day 15, Day 29 and Day 43 of previous trial 28130; * have a CGI of Severity score of 3 or greater at Day 43 of previous trial 28130 and at Day 1 of current trial 28133, or a lower score when the investigator is of the opinion that furth...

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