A Phase III, Multicenter, Open-label, Randomized Study to Compare DB-1303 Versus T-DM1 in Patients With HER2-positive Unresectable/Metastatic Breast Cancer Who Have Been Treated With Trastuzumab and a Taxane (Dynasty-Breast01)

This page presents selected fields from the linked source record. It does not add a medical interpretation.

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Record identity and dates

Source

ClinicalTrials.gov

Source record ID

NCT06265428

Title field or adapter rule

{'original_value': 'A Phase III, Multicenter, Open-label, Randomized Study to Compare DB-1303 Versus T-DM1 in Patients With HER2-positive Unresectable/Metastatic Breast Cancer Who Have Been Treated With Trastuzumab and a Taxane (Dynasty-Breast01)', 'source_field': 'protocolSection.identificationModule.officialTitle'}

Ingested At

2026-10-31T23:27:27.720492+00:00

Published At

2026-10-30T00:00:00+00:00

Record Updated At

2026-10-30

Source Retrieved At

2026-10-31T22:19:00.066997+00:00

Timestamp Basis

ClinicalTrials.gov API/RSS response retrieval timestamp recorded by Dossier adapter

Date limitation

ClinicalTrials.gov API/RSS response retrieval timestamp recorded by Dossier adapter

Fields recorded by this source

protocolSection.conditionsModule.conditions

["HER2-positive Breast Cancer"]

protocolSection.statusModule.lastUpdatePostDateStruct

{"date": "2026-10-30", "type": "ACTUAL"}

protocolSection.identificationModule.nctId

"NCT06265428"

protocolSection.identificationModule.officialTitle

"A Phase III, Multicenter, Open-label, Randomized Study to Compare DB-1303 Versus T-DM1 in Patients With HER2-positive Unresectable/Metastatic Breast Cancer Who Have Been Treated With Trastuzumab and a Taxane (Dynasty-Breast01)"

protocolSection.statusModule.overallStatus

"ACTIVE_NOT_RECRUITING"

protocolSection.designModule.phases

["PHASE3"]

protocolSection.statusModule.resultsFirstPostDateStruct

null

Study condition terms

• HER2-positive Breast Cancer (protocolSection.conditionsModule.conditions)

Interventions recorded in this study

• {'armGroupLabels': ['DB-1303/BNT323'], 'description': 'Administered I.V.', 'name': 'DB-1303/BNT323', 'type': 'DRUG'} (protocolSection.armsInterventionsModule.interventions[])
• {'armGroupLabels': ['T-DM1'], 'description': 'Administered I.V.', 'name': 'T-DM1', 'type': 'DRUG'} (protocolSection.armsInterventionsModule.interventions[])

An intervention appearing in a study record does not establish an effect or an approved use.

Drug names recorded in this source

• DB-1303/BNT323 (protocolSection.armsInterventionsModule.interventions[].name)
• T-DM1 (protocolSection.armsInterventionsModule.interventions[].name)

A recorded drug name is not by itself an indication or a condition-specific relationship.

This index keeps the source fields it imported; it may not contain the complete original record. Verify wording and context in the linked source.