Table 3.
Ipsilateral Breast Recurrence in Selected APBI Trials
| Reference | Trial Technique | n | Follow-up | IBR rate |
|---|---|---|---|---|
| 9 | TARGIT Intrabeam kV IORT | 1721 | 2.4 yrs | 5 yr: 3.3% |
| 10 | ASBS Registry Trial Mammosite | 1449 | 5.3 yrs | 7 yr: 5.1% |
| 11 | NYU Prone 3D-CRT | 98 | 5.3 yrs | 5 yr: 1% |
| 12 | ELIOT Electron IORT | 651 | 5.8 yrs | 5 yr: 4.4% |
| 13 | Boston 3D-CRT | 98 | 5.9 yrs | 5 yr: 5% |
| RTOG 0319 3D-CRT | 52 | 8 yrs | 7 yr: 7.7% | |
| 6 | Hungary Multicatheter | 50 | 10.8 yrs | 12 yr: 9.3% |
| 7 | Boston Multicatheter | 48 | 11.2 yrs | 12 yr: 15% |
| 8 | RTOG 95-17 Multicatheter | 98 | 12.1 yrs | 10 yr 5.2% |
APBI – Accelerated Partial Breast Irradiation; IBR–Ipsilateral Breast Recurrence; IORT- Intraoperative Radiation Therapy; ASBS–American Society of Breast Surgeons; NYU–New York University; 3D-CRT–3 Dimensional Conformal Radiation Therapy