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Camizestrant

Phase 3

Breast Cancer, Early Breast Cancer | Small molecule | Oncology |AstraZeneca PLC|Last Updated: May 28, 2026

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_CONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment9,800
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05952557An Adjuvant Endocrine-based Therapy Study of Camizestrant (AZD9833) in ER+/HER2- Early Breast Cancer (CAMBRIA-2)PHASE3 RECRUITING 5,500Oct 5, 2023May 6, 2037May 28, 2026794 United States, Argentina +42
NCT05774951A Study of Camizestrant in ER+/HER2- Early Breast Cancer After at Least 2 Years of Standard Adjuvant Endocrine TherapyPHASE3 RECRUITING 4,300Mar 31, 2023May 29, 2036May 8, 2026711 United States, Argentina +37
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Study Endpoints
Primary Endpoints
Invasive breast cancer-free survival (IBCFS)
Up to 14 years

IBCFS is defined as time from randomisation until date of first occurrence of: * Invasive ipsilateral breast tumour recurrence * Locoregional invasive breast cancer recurrence * Distant recurrence * Contralateral invasive breast cancer * Death attributable to any cause.

Secondary Endpoints
Invasive disease-free survival (IDFS)
Up to 14 years
Distant relapse-free survival (DRFS)
Up to 14 years
Overall survival (OS)
Up to 14 years
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm A: standard endocrine therapy of investigator´s choice ± abemaciclibACTIVE_COMPARATORstandard endocrine therapy of investigator's choice (aromatase inhibitors \[AI; exemestane, letrozole, anastrozole\] or tamoxifen) ± abemaciclib
Arm B: camizestrant ± abemaciclibEXPERIMENTALcamizestrant ± abemaciclib
Arm A: standard endocrine therapy of investigator´s choiceACTIVE_COMPARATORContinue standard endocrine therapy of investigator's choice (aromatase inhibitors \[AI; exemestane, letrozole, anastrozole\] or tamoxifen)
Arm B: camizestrantEXPERIMENTALCamizestrant
Interventions
NameTypeDescription
CamizestrantDRUGCamizestrant. Experimental. Administered orally
TamoxifenDRUGTamoxifen. Comparator. Administered orally
AnastrozoleDRUGAnastrozole. Comparator. Administered orally
LetrozoleDRUGLetrozole. Comparator. Administered orally
ExemestaneDRUGExemestane. Comparator. Administered orally
AbemaciclibDRUGAbemaciclib adjuvant treatment Administered orally
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Eligibility Criteria
Age Range18 Years — 130 Years
SexALL
Healthy VolunteersNo
Study Sites794

Inclusion Criteria: * Women and Men; ≥18 years at the time of screening (or per national guidelines) * Histologically confirmed ER+/HER2- early-stage resected invasive breast cancer with absence of any evidence of metastatic disease as defined in the protocol. * Completed adequate (definitive) loco...

Countries:United StatesArgentinaAustraliaAustriaBelgiumBrazilBulgariaCanadaChileChinaColombiaCroatiaCzechiaEstoniaFranceGeorgiaGermanyGreeceHungaryIndiaIrelandIsraelItalyJapanMalaysiaMexicoNew ZealandPeruPhilippinesPolandPortugalPuerto RicoRomaniaSaudi ArabiaSerbiaSouth AfricaSouth KoreaSpainSwitzerlandTaiwanThailandTurkey (Türkiye)United Arab EmiratesUnited KingdomNetherlandsSingaporeVietnam
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Recent Changes (Last 90 Days)
LOWMay 29, 2026NCT05952557lastUpdatePostDate: changed
LOWMay 29, 2026NCT05952557lastUpdatePostDate: changed
LOWMay 29, 2026NCT05952557lastUpdatePostDate: changed
LOWMay 26, 2026NCT05774951primaryCompletionDate: changed
LOWMay 26, 2026NCT05952557primaryCompletionDate: changed
LOWMay 24, 2026NCT05952557studyFirstPostDate: changed
LOWMay 24, 2026NCT05774951studyFirstPostDate: changed