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Semustine

Phase 3

Glioblastoma | Small molecule | Oncology |Merck & Company, Inc.|Last Updated: May 15, 2017

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
RandomizedACTIVE_CONTROLLEDBiomarker
Total Trials1
Total Enrollment151
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00335075Efficacy and Safety of Temodal vs Semustine in Subjects With Recurrent Glioblastoma or Anaplastic Astrocytoma (Study P03644)PHASE3 COMPLETED 151Mar 2, 2005Feb 23, 2006May 15, 2017 -
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Study Endpoints
Primary Endpoints
Progression-free survival
2 months, 3 months, and 6 months
Secondary Endpoints
Overall survival
6 months
Objective response
6 months
Scoring of health-related quality of life
6 months
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Temodal groupEXPERIMENTALSubjects treated with temozolomide.
Semustine groupACTIVE_COMPARATORSubjects treated with semustine.
Interventions
NameTypeDescription
TemozolomideDRUGTemozolomide orally for 5 consecutive days (Day 1 through Day 5) every 28 days, at a dose of 150 mg/m2/day for subjects previously treated with chemotherapy, or 200 mg/m2/day for subjects who have not received previous chemotherapy.
SemustineDRUGSemustine orally once every 28 days at a dose of 150 mg/m2/day.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Prior histologic confirmation of glioblastoma, anaplastic astrocytoma. * Evidence of tumor progression or recurrence. * Age \>=18 years. * Karnofsky performance status \>=60%. * Absolute neutrophil count \>=1,500/mm\^3, platelet count \>=100,000/mm\^3, hemoglobin \>=8g/dL. * S...

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