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Danish Breast Cancer Group Internal Mammary Node Study

Danish Breast Cancer Group Internal Mammary Node Study

Status
Active, not recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06549920
Acronym
DBCG IMN
Enrollment
7630
Registered
2024-08-12
Start date
2003-01-01
Completion date
2034-01-01
Last updated
2024-08-12

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

Conditions

Breast Cancer

Keywords

Internal mammary node irradiation, Node-positive breast cancer

Brief summary

The DBCG IMN study is a nationwide prospective population-based cohort study allocating node-positive breast cancer patients with right-sided tumors to internal mammary node irradiation (IMNI) and patients with left-sided tumors to no IMNI.

Interventions

Irradiation of the internal mammary nodes in intercostal space 1-4.

Sponsors

Danish Breast Cancer Cooperative Group
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

* Patients with macrometastatic node-positive breast cancer treated with loco-regional radiotherapy.

Exclusion criteria

* Prior malignancies, bilateral breast cancer, neoadjuvant systemic therapy, recurrence before radiotherapy, and non-standard radiotherapy.

Design outcomes

Primary

MeasureTime frameDescription
Overall survival15-years.Censored at end of study or by emigration.

Secondary

MeasureTime frameDescription
Breast cancer mortality15-years.Censored at end of study or by emigration.
Distant recurrences15-years.Censored at end of study or by emigration. Death by any cause was regarded as competing event.

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 6, 2026