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talazoparib

Phase 3

Breast Neoplasms | Small molecule | Oncology |Pfizer, Inc.|Last Updated: Jan 20, 2022

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 Enrollment431
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01945775A Study Evaluating Talazoparib (BMN 673), a PARP Inhibitor, in Advanced and/or Metastatic Breast Cancer Patients With BRCA Mutation (EMBRACA Study)PHASE3 COMPLETED 431Oct 14, 2013Mar 5, 2021Jan 20, 2022362 United States, Australia +14
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Study Endpoints
Primary Endpoints
Progression-Free Survival (PFS): Independent Radiological Facility (IRF) Assessment
Baseline until radiologic progressive disease or death due to any cause (up to maximum duration of 36.9 months)

IRF assessed PFS was defined as time (in months) from randomization until the date of first documented radiologic progressive disease per response evaluation criteria in solid tumors (RECIST) version 1.1 or death from any cause, whichever occurs first. As per RECIST v1.1, progression defined as 1) for target lesions: at least a 20% increase in the sum of target lesion measurements, compared to the smallest sum on study (including baseline), the absolute increase in the sum has to be at least 5 millimeter (mm); 2) for non-target lesions: unequivocal progression of non-target lesions, evaluated as a whole, such that it is clear that treatment has failed and disease is progressing, regardless of the status of the target lesions; 3) and/or appearance of one or more new lesions. The analysis was performed by Kaplan-Meier method.

Secondary Endpoints
Percentage of Participants With Objective Response: Investigator Assessment
Baseline until radiologic progressive disease or death due to any cause (up to a maximum duration of 36.9 months)
Overall Survival (OS)
Baseline until death due to any cause or analysis cut-off, up to a maximum duration of 61.4 months
Trough Plasma Talazoparib Concentrations
Predose on Day 1 of Cycle 2, 3 and 4
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
talazoparibEXPERIMENTALPatient will be randomized 2:1 to receive talazoparib oral capsules (1.0 mg) once daily for 21 continuous days
Physician's-ChoiceACTIVE_COMPARATORCapecitabine, Eribulin, Gemcitabine or Vinorelbine
Interventions
NameTypeDescription
talazoparibDRUGUntil progression or unacceptable toxicity develops
Physician's-ChoiceDRUGCapecitabine, Eribulin, Gemcitabine or Vinorelbine
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites362

Inclusion Criteria: * Histologically or cytologically confirmed carcinoma of the breast * Locally advanced breast cancer that is not amenable to curative radiation or surgical cure and/or metastatic disease appropriate for systemic single cytotoxic chemotherapy * Documentation of a deleterious, sus...

Countries:United StatesAustraliaBelgiumBrazilFranceGermanyIrelandIsraelItalyPolandRussiaSouth KoreaSpainTaiwanUkraineUnited Kingdom
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