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Ispinesib

Phase 2

Neoplasms, Breast | Small molecule | Oncology |GSK plc|Last Updated: Feb 26, 2018

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
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment50
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00089973Study Of Ispinesib In Subjects With Breast CancerPHASE2 COMPLETED 50Jun 30, 2004Aug 25, 2006Feb 26, 201813 United States, Belgium +3
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Study Endpoints
Primary Endpoints
Percentage of Participants With Overall Response Rate (ORR) Following Administration of Ispinesib
After cycle 2 and repeated every 2 cycles up to Cycle 10, up to 26 months

Overall tumor response rate, was defined as the percentage of participants achieving either a complete response (CR) or partial response (PR), stable disease (SD), or progressive disease (PD). It was assessed by Computer tomography (CT) or Magnetic Resonance Imaging (MRI) scan. Response and progression was evaluated in this study using the Response Evaluation Criteria in Solid Tumors (RECIST) 1.0. The target lesions (TLs): CR, Disappearance of all TLs; PR where at least a 30% decrease in the sum of the longest diameter (LD) of TLs, taking as reference the baseline sum LD; PD : At least a 20% increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions; SD: Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum LD since the treatment started.

Secondary Endpoints
Median Time to Response
After cycle 2 and repeated every 2 cycles up to Cycle 10, up to 26 months
Duration of Response
After cycle 2 and repeated every 2 cycles up to Cycle 10, up to 26 months
Median Time-to-progression After Administration of Inspinesib
After cycle 2 and repeated every 2 cycles up to Cycle 10, up to 26 months
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
SB-715992EXPERIMENTALFemales with advanced or metastatic breast cancer were administered Ispinesib
Interventions
NameTypeDescription
IspinesibDRUGGiven intravenously at a dose of 18 milligram (mg)/ meter square (m\^2).
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites13

Inclusion Criteria: * Stage IIIB or Stage IV breast cancer * Previously received anthracycline and taxane therapy Exclusion criteria: * Actively receiving anti-cancer therapy agent(s).

Countries:United StatesBelgiumMalaysiaSingaporeUnited Kingdom
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