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ZW49

Phase 1

HER2-expressing Cancers | Small molecule | Oncology |Zymeworks Inc.|Last Updated: Jan 29, 2025

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 Enrollment112
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03821233A Dose Finding Study of ZW49 in Patients With HER2-Positive CancersPHASE1 COMPLETED 112Apr 15, 2019Oct 8, 2024Jan 29, 202516 United States, Australia +2
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Study Endpoints
Primary Endpoints
Incidence of dose-limiting toxicities (DLTs)
Up to 4 weeks

Number of participants who experienced a DLT. DLTs are events that occur following administration of any amount of ZW49 and are considered related to ZW49 per the investigator. DLTs will include only events considered related to ZW49.

Incidence of adverse events
Up to 7 months

Number of participants who experienced an adverse event

Incidence of lab abnormalities
Up to 7 months

Number of participants who experienced a maximum severity of Grade 3 or higher post-baseline laboratory abnormality, including either hematology and chemistry. Grades are defined using National Cancer Institute's Common Terminology Criteria for Adverse Events (CTCAE), version 5.0.

Incidence of electrocardiogram (ECG) and left ventricular ejection fraction (LVEF) abnormalities
Up to 7 months

Number of participants who experienced an abnormal ECG or LVEF

Incidence of dose reductions of ZW49
Up to 7 months

Number of doses reduced and number of participants who require a dose reduction

Secondary Endpoints
Serum concentrations of ZW49
Up to 7 months
Incidence of anti-drug antibodies (ADAs)
Up to 7 months
Objective response rate (ORR)
Up to 6 months
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Study Design & Arms
AllocationNA
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
ZW49EXPERIMENTAL -
Interventions
NameTypeDescription
ZW49DRUG* Dose Escalation: ZW49 administered intravenously at dose levels determined by the SMC * Expansion: MTD or RD identified in the dose-escalation part of the study
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites16

Inclusion Criteria: * Pathologically-confirmed diagnosis of breast cancer, gastroesophageal adenocarcinoma (GEA), or other HER2-expressing cancer with evidence of locally advanced (unresectable) and/or metastatic disease. * Dose-escalation (Cohort 1): HER2-high advanced solid tumors * Expansio...

Countries:United StatesAustraliaCanadaSouth Korea
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