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C5731006 - A PHASE 1B/2, OPEN-LABEL, MULTICOHORT STUDY OF DISITAMAB VEDOTIN IN ADULTS WITH HER2 EXPRESSING ADVANCED BREAST CANCER

Status
Recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-521003-52-00
Acronym
C5731006/SGNDV-006
Enrollment
26
Registered
2025-11-18
Start date
2025-12-19
Completion date
Unknown
Last updated
2025-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HER2 Expressing Advanced Breast Cancer

Brief summary

Objective response (OR) (confirmed complete response [CR] and confirmed partial response [PR]) per Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1) by investigator assessment.

Detailed description

Duration of response (DOR) per RECIST v1.1 by investigator assessment., Disease control rate (DCR) (confirmed CR, confirmed PR, and stable disease) per RECIST v1.1 by investigator assessment., Progression-free survival (PFS) per RECIST v1.1 by investigator assessment., Overall survival (OS)., Estimates of selected PK parameters of disitamab vedotin, total antibody, and unconjugated MMAE., Incidence of anti-drug antibodies (ADA) against disitamab vedotin., Safety (type, incidence, severity, seriousness, and relatedness of adverse events [AEs]. Type, incidence, and severity of laboratory abnormalities as well as significant changes from baseline. Frequency of treatment interruptions, dose reductions, and treatment discontinuation due to AEs).

Interventions

DRUGDisitamab Vedotin

Sponsors

Pfizer Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Objective response (OR) (confirmed complete response [CR] and confirmed partial response [PR]) per Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1) by investigator assessment.

Secondary

MeasureTime frame
Duration of response (DOR) per RECIST v1.1 by investigator assessment., Disease control rate (DCR) (confirmed CR, confirmed PR, and stable disease) per RECIST v1.1 by investigator assessment., Progression-free survival (PFS) per RECIST v1.1 by investigator assessment., Overall survival (OS)., Estimates of selected PK parameters of disitamab vedotin, total antibody, and unconjugated MMAE., Incidence of anti-drug antibodies (ADA) against disitamab vedotin., Safety (type, incidence, severity, seriousness, and relatedness of adverse events [AEs]. Type, incidence, and severity of laboratory abnormalities as well as significant changes from baseline. Frequency of treatment interruptions, dose reductions, and treatment discontinuation due to AEs).

Countries

Germany, Italy, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026