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Arimidex

Phase 3

Breast Cancer | Small molecule | Oncology |AstraZeneca PLC|Last Updated: Jul 28, 2020

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-BlindACTIVE_CONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment524
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00232661PROACT - Pre-Operative Arimidex Compared To TamoxifenPHASE3 COMPLETED 452Aug 1, 2000Dec 1, 2007Feb 3, 201079 United States, Belgium +8
NCT00570323Arimidex With or Without Faslodex In Postmenopausal Women With HR Positive Breast CancerPHASE2 COMPLETED 72Dec 1, 2007Dec 5, 2018Jul 28, 20201 United States
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Study Endpoints
Primary Endpoints
Objective tumour response
Assessed at 3 months
Change in Ki-67 Levels From Baseline (Pre) to Day 28 (Post) Biopsy Samples
baseline (pre) to day 28 (post)

The primary endpoint is change in Ki-67 levels from baseline (pre) to day 28 (post) biopsy samples. Ki-67 levels were log-transformed to achieve approximately normally distributed data. The differences in these log-transformed values between post vs. pre biopsy samples were calculated. This difference represents the log of the ratio of post vs. pre Ki-67 levels in the original scale.

Secondary Endpoints
Pathological response
Assessed at 3 months
Extent of breast surgery
Assessed at 3 months
Extent of axillary down-staging
Assessed at 3 months
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
ARM A / Arimidex with FaslodexACTIVE_COMPARATORArimidex with Faslodex in postmenopausal women
ARM B Arimidex without FaslodexACTIVE_COMPARATORArimidex without Faslodex in postmenopausal women.
Interventions
NameTypeDescription
ARIMIDEX (anastrazole)DRUG -
NOLVADEX (tamoxifen)DRUG -
ArimidexDRUGAromatase inhibitors
FaslodexDRUGHormone Receptor
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Eligibility Criteria
Age Range60 Years — N/A
SexFEMALE
Healthy VolunteersNo
Study Sites79

Inclusion Criteria: * Operable or potentially operable breast cancer * Invasive breast cancer proven to be hormone-sensitive (ER+/PR+) * Patients who might benefit from endocrine treatment prior to surgery * Postmenopausal * Signed written informed consent Exclusion Criteria: * Inoperable breast ...

Countries:United StatesBelgiumBrazilCanadaCzechiaFranceHungaryItalyJapanNetherlands
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Competitive Landscape -Breast Cancer 408 trials
CompanyTickerTrialsLead PhaseDrugs
Merck & Co., Inc.MRK12PHASE3Pembrolizumab, Paclitaxel, Doxorubicin, Epirubicin, Cyclophosphamide
AstraZeneca PLCAZN47PHASE3Fulvestrant, Capivasertib, Trastuzumab Deruxtecan, Paclitaxel, Trastuzumab
Gilead Sciences, Inc.GILD13PHASE3Sacituzumab Govitecan-hziy, Eribulin, Capecitabine Product, Gemcitabine, Vinorelbine
Eli Lilly and CompanyLLY27PHASE3Abemaciclib, Standard Adjuvant Endocrine Therapy, Imlunestrant, Tamoxifen, Anastrozole
BioNTech SE Sponsored ADRBNTX7PHASE3DB-1303/BNT323, T-DM1, Capecitabine, Paclitaxel, Nab-paclitaxel
Novartis AG Sponsored ADRNVS30PHASE3Ribociclib, Alpelisib, Fulvestrant, Trastuzumab, Pertuzumab
Olema Pharmaceuticals, Inc.OLMA5PHASE3Palazestrant, Fulvestrant, Anastrozole, Letrozole, Exemestane
Pfizer Inc.PFE34PHASE3ARV-471, Fulvestrant, PF-07220060, letrozole, abemaciclib
BeOne Medicines Ltd. Sponsored ADRONC6PHASE3BGB-43395, Letrozole, Abemaciclib, Palbociclib, Ribociclib
Jazz Pharmaceuticals Public Limited CompanyJAZZ3PHASE3Zanidatamab, Trastuzumab, Eribulin, Vinorelbine, Gemcitabine
Celcuity Inc.CELC3PHASE3Gedatolisib, Palbociclib, Fulvestrant, Alpelisib, Arm A: Gedatolisib + Palbociclib + Fulvestrant
Relay Therapeutics, Inc.RLAY2PHASE3RLY-2608, Capivasertib, Fulvestrant, Palbociclib, Ribociclib
GSK plc Sponsored ADRGSK2PHASE3Niraparib
Greenwich LifeSciences, Inc.GLSI1PHASE3GLSI-100
Bristol-Myers Squibb CompanyBMY5PHASE2Iza-bren, Nab-paclitaxel, Paclitaxel, Capecitabine, Carboplatin
BriaCell Therapeutics CorpBCTX2PHASE3SV-BR-1-GM, Cyclophosphamide, Interferon infiltration of the inoculation site, Retifanlimab, Treatment of Physician's Choice
Incyte CorporationINCY4PHASE2Ruxolitinib, Capecitabine, Regorafenib, Pembrolizumab, Axatilimab
Natera, Inc.NTRA3PHASE2Discontinuation of the anti-HER2 maintenance therapy
Puma Biotechnology, Inc.PBYI3PHASE2Neratinib, Loperamide, Colesevelam, Alisertib, Endocrine therapy
Immutep Ltd Sponsored ADRIMMP1PHASE2eftilagimod alpha, Paclitaxel
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