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MYL- 1401O

Phase 3

Breast Cancer | Monoclonal antibody | Oncology |Viatris Inc.|Last Updated: Feb 14, 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
RandomizedDouble-BlindACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment500
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02472964Study of Efficacy and Safety of Myl1401O + Taxane vs Herceptin©+ Taxane for 1st Line, Met. Br. Ca.PHASE3 COMPLETED 500Jul 1, 2012Aug 1, 2018Feb 14, 202292 Brazil, Chile +13
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Study Endpoints
Primary Endpoints
Primary Endpoint : Compare Best Overall Response Rate (ORR) (According to Response Evaluation Criteria in Solid Tumor [RECIST] 1.1 Criteria) at Week 24 of MYL-1401O Plus Taxane Versus Herceptin® Plus Taxane in the ITT1 Population
from time of First treatment to week 24

Tumor measurements were perform by centralized blinded reviewers using RECIST 1.1 criteria. Per RECIST 1.1: Complete Response (CR): Disappearance of all target lesions. Any pathological lymph node must have reduction in short axis to \<10 mm.Partial Response (PR): \>/= 30% decrease sum of the diameters of target lesions from baseline sum diameters. Progressive Disease (PD): \</= 20% increase in the sum of the diameters of target lesions, from the smallest sum on study with at least a 5 mm absolute increase in the sum of all lesions. The appearance of one or more new lesions\* denotes disease progression. Stable Disease (SD): Neither sufficient decrease or increase. Evaluation of Non-Target Lesions Complete Response (CR): Disappearance of all non-target lesions. Non-complete Response/Non-Progressive Disease: Persistence of one or more non-target lesions. Progressive Disease (PD): Substantial, unequivocal progression of existing non-target lesions.

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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Herceptin© + TaxaneACTIVE_COMPARATORPart 1: Herceptin© (trastuzumab) intravenously+ paclitaxel 80 mg/m2 weekly intravenously or docetaxel 75 mg/m2 intravenously once every three weeks (investigators choice) for 8 cycles then evaluate for primary endpoint. Part 2: If SD or PR, CR at cycle 9 (week 24) proceed to Herceptin© (trastuzumab) alone once every 3 weeks until DP or subject withdrawal .
MYL- 1401O + TaxaneEXPERIMENTALPart 1:MYL-1401O Intravenously + paclitaxel 80 mg/m2 weekly intravenously or docetaxel 75 mg/m2 intravenously once every three weeks (investigators choice) for 8 cycles then evaluate for primary endpoint. Part 2: If SD or PR, CR at cycle 9 (week 24) proceed to MYL-1401O alone once every 3 weeks until DP or subject withdrawal.
Interventions
NameTypeDescription
TrastuzumabBIOLOGICALTrastuzumab 8mg/kg Iv over 90 minutes x 1 then Trastuzumab 6 mg/kg IV over 30 minutes every 3 weeks
MYL- 1401OBIOLOGICALMYL-1401O 8mg/kg Iv over 90 minutes x 1 then HERMyl 1401O Trastuzumab 6 mg/kg IV over 30 minutes every 3 weeks
PaclitaxelDRUGPaclitaxel 80mg/m2 IV over 60 minutes weekly.
DocetaxelDRUGDocetaxel 75mg/m2 IV over 60 minutes on day 1 of a 3 week cycle
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites92

Inclusion Criteria: Locally recurrent or MBC that is not amenable to curative surgery and/or radiation. Documentation of HER2 gene amplification by fluorescent in situ hybridization (FISH) (as defined by a ratio \>2.0) or documentation of HER2-overexpression by immunohistochemistry (IHC) (defined ...

Countries:BrazilChileGeorgiaHungaryIndiaLatviaPeruRomaniaRussiaSerbiaSlovakiaSouth AfricaThailandTurkey (Türkiye)Ukraine
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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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