Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
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.
Not provided
Not provided
Not provided
Not provided
Not provided
| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Internal mammary node irradiation | Experimental | Patients with right-sided breast cancer tumors were allocated to internal mammary node irradiation. |
|
| No internal mammary node irradiation | No Intervention | Patients with left-sided breast cancer tumors were allocated to no internal mammary node irradiation. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Internal mammary node irradiation | Radiation | Irradiation of the internal mammary nodes in intercostal space 1-4. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Overall survival | Censored at end of study or by emigration. | 15-years. |
| Measure | Description | Time Frame |
|---|---|---|
| Breast cancer mortality | Censored at end of study or by emigration. | 15-years. |
| Distant recurrences | Censored at end of study or by emigration. Death by any cause was regarded as competing event. |
Not provided
Inclusion Criteria:
Exclusion Criteria:
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 39810969 | Derived | Nielsen AWM, Thorsen LBJ, Ozcan D, Matthiessen LW, Maae E, Milo MLH, Nielsen MH, Tramm T, Overgaard J, Offersen BV; DBCG RT Committee. Internal mammary node irradiation in 4541 node-positive breast cancer patients treated with newer systemic therapies and 3D-based radiotherapy (DBCG IMN2): a prospective, nationwide, population-based cohort study. Lancet Reg Health Eur. 2024 Dec 12;49:101160. doi: 10.1016/j.lanepe.2024.101160. eCollection 2025 Feb. |
Not provided
Not provided
Data may be requested at the DBCG RT committee and the DBCG board.
Not provided
Undecided.
DBCG board.
Not provided
Not provided
| ID | Term |
|---|---|
| D001943 | Breast Neoplasms |
| ID | Term |
|---|---|
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D001941 | Breast Diseases |
| D012871 | Skin Diseases |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| 15-years. |
| D017437 |
| Skin and Connective Tissue Diseases |