Skip to content

A European Registry Study to Prospectively Observe Treatment Patterns and Outcomes in Participants With Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Unresectable Locally Advanced (LA) or Metastatic Breast Cancer (mBC) (SAMANTHA)

A European Disease Registry Study to Prospectively Observe Treatment Patterns and Outcomes in Patients With HER2-Positive Unresectable Locally Advanced or Metastatic Breast Cancer

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT02913456
Enrollment
629
Registered
2016-09-23
Start date
2016-11-16
Completion date
2024-01-31
Last updated
2024-03-06

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

Conditions

Breast Cancer

Brief summary

This disease registry is a prospective, multicenter non-interventional study designed to observe anti-cancer treatment regimens and clinical outcomes in participants with HER2-positive unresectable LA/mBC. Diagnosis of unresectable LA or mBC can be up to 6 months old prior to registry enrollment.

Interventions

None listed

Sponsors

Hoffmann-La Roche
Lead SponsorINDUSTRY

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

\- Initially diagnosed with HER2-positive unresectable LA/mBC no more than 6 months prior to enrollment, although they can have received anti-cancer treatment during that time

Exclusion criteria

\- Not applicable

Design outcomes

Primary

MeasureTime frame
Progression-free Survival per Anti-cancer Treatment Regimens Assessed According to Site-/Country-Specific Medical PracticeBaseline up to 8 years
Percentage of Participants by Different Anti-cancer Treatment Regimens and Treatment SequencesBaseline up to 8 years

Secondary

MeasureTime frame
Duration of Response per Anti-cancer Treatment Regimens Assessed According to Site-/Country-Specific Medical PracticeBaseline up to 8 years
Percentage of Participants with Best Overall Response of Complete Response (CR) or Partial Response (PR) per Anti-cancer Treatment Regimens Assessed According to Site-/Country-Specific Medical PracticeBaseline up to 8 years
Total Number of Treatment Regimens Received by ParticipantsBaseline up to 8 years
Percentage of Participants with Adverse Events (AEs), Serious AEs, and Protocol-defined AEs of Special InterestBaseline up to 8 years
Percentage of Participants with HER2 Re-testing of MetastasesBaseline up to 8 years
Percentage of Participants with Change in HER2 StatusBaseline up to 8 years
Percentage of Participants by Type of HER2 Testing (Immunohistochemistry and/or Fluorescence In situ Hybridization [FISH])Baseline up to 8 years
Percentage of Participants with Different Anti-Cancer Treatment Regimens by CountryBaseline up to 8 years
EuroQol 5-Dimensions Questionnaire (EQ-5D) ScoreBaseline up to 8 years
Functional Assessment of Cancer Therapy-Breast (FACT-B) Questionnaire ScoreBaseline up to 8 years
Total Healthcare CostBaseline up to 8 years
Cost of Treating Associated AEsBaseline up to 8 years
Resource Utilization: Percentage of Participants with Breast Cancer Associated ProceduresBaseline up to 8 years
Resource Utilization: Percentage of Participants with HospitalizationBaseline up to 8 years
Resource Utilization: Percentage of Participants with Emergency Room Attendances and Outpatient VisitsBaseline up to 8 years
Percentage of Participants with History of Breast Cancer by Different Anti-Cancer Treatment RegimensBaseline up to 8 years
Overall SurvivalBaseline up to 8 years

Countries

Austria, Bulgaria, Italy, Portugal, Romania

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 23, 2026