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Clinical trial · no report yet · Phase 3

NCT06435429

A Study Comparing the Efficacy and Safety of Zanidatamab to Trastuzumab, Each in Combination With Physician's Choice Chemotherapy, for the Treatment of Participants With Metastatic HER2-positive Breast Cancer

We haven't built a report for this trial yet. This page shows the registry record and the public commentary we found that names the trial. A report reads that commentary and sets out what clinicians said about the trial, each point linked to its source. How reports are made.

Preliminary discovery

Commentary in our index that names this trial so far

Podcasts, YouTube videos and X posts we have indexed. A report screens them, searches for more and cites what clinicians said when it is built, so final coverage is set at build.

ChannelFound
YouTube1
X threads1
Bluesky threads1

The trial

ClinicalTrials.gov
Official title
A Phase 3, Randomized, Open-label, Multicenter, Controlled Study to Evaluate the Efficacy and Safety of Zanidatamab in Combination With Physician's Choice Chemotherapy Compared to Trastuzumab in Combination With Physician's Choice Chemotherapy for the Treatment of Participants With Metastatic HER2-positive Breast Cancer Who Have Progressed on, or Are Intolerant to, Previous Trastuzumab Deruxtecan Treatment
Phase
Phase 3
Status
Recruiting
Conditions
Metastatic HER2-positive Breast Cancer
Interventions
Zanidatamab; Trastuzumab; Eribulin; Vinorelbine; Gemcitabine; Capecitabine
Arms
  • Zanidatamab plus physician's choice of chemotherapy · Experimental
  • Trastuzumab plus physician's choice of chemotherapy · Active comparator
Enrollment
550 (estimated)
Primary outcomes
  • Progression-free Survival (PFS) Per RECIST Version 1.1 As Assessed by Blinded Independent Central Review (BICR)
Sponsor
Jazz Pharmaceuticals
Start
Aug 13, 2024
Primary completion
Apr 28, 2028 (estimated)
Results posted
No
Registry record
NCT06435429 · updated Feb 10, 2026