Clinical Study
Once-Weekly Hypofractionated Radiotherapy for Breast Cancer in Elderly Patients: Efficacy and Tolerance in 486 Patients
Table 2
Moderate daily hypofractionation and weekly hypofractionation schedules in breast cancer.
(a) Daily hypofractionated schedules |
| Author | n | RDT schedule | Commentary |
| Shelley et al., 2000 [15] | 294 | 40 Gy in 2.5 Gy/s, 22 days | |
| Deutsch, 2002 [38] | 47 | Different schedules since 50 Gy in 2 Gy to 36 Gy in 3 Gy | 80–89 years old |
| Whelan et al., 2002 [39] | 1234 | Standard schedule 50 Gy in 2 Gy/s, 35 days, versus hypofraction 42.5 Gy in 2.65 Gy/s, 22 days | |
| Yarnold et al., 2005 [37] | 1410 | 50 Gy in 2 Gy/s, 39 Gy in 3 Gy/s, or 42.9 Gy in 3.3 Gy/s | |
| Haviland et al., 2013 [28] | 2236 | START A: 50 Gy in 2 Gy/s versus 41.6 Gy or 39 Gy in 13 s START B: 50 Gy in 2 Gy/s versus 40 Gy in 15 s | |
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(b) Weekly hypofractionated schedules |
| Author | n | RDT schedule | Commentary |
| Rostom et al., 1987 [21] | 84 | 6.5 Gy × 6 s | |
| Bates, 1988 [40] | 411 | 3 Gy × 12 s (3 s/week = 28 days) versus 6 Gy × 6 s (2 s/week = 18 days) | 53 p biopsy, 13 p lumpectomy, 18 p mastectomy |
| Baillet et al., 1990 [41] | 230 | 45 Gy (1.8 Gy × 25 s in 33 days) versus 23 Gy (5.75 Gy × 4 s in 17 days) | |
| Maher et al., 1995 [23] | 70 | 6.5 Gy × 5 s + boost 6.5 Gy × 2 s | Biopsy or cytology only |
| Ortholan et al., 2005 [22] | 150 | 6.5 Gy × 5 s; supra 5.5 Gy × 5 s; boost 6.5 Gy × 1 or 2 s | 108 p lumpectomy, 43 p mastectomy |
| Courdi et al., 2006 [24] | 115 | 6.5 × 5 s | Median age 83 years, biopsy only |
| Sanz et al., 2008 [7] | 262 | 6.25 Gy × 6 s (+6.25 Gy × 2 s if positive margin in conservative surgery) | 22 p biopsy, 174 p lumpectomy, 66 p mastectomy |
| Dragun et al., 2011 [26] | 42 | 6 Gy × 5 s | 69% lumpectomy 31% chemotherapy |
| Yarnold, 2011 [25] | 915 | 50 Gy (2 Gy × 25 s) versus 28.5 Gy (5.7 × 5 s) or 30 Gy (6 Gy × 5 s) | |
| Rovea et al., 2015 [27] | 298 | 30 Gy (6 Gy × 5 s) or 32.5 Gy (6.5 Gy × 5 s) | |
| Brunt et al., 2016 [35] | 352 | 40 Gy in 15 s in 3 weeks versus 27 Gy in 5 s in 1 week or 26 Gy in 5 s in 1 week | Patients that require lymph node irradiation are excluded |
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RDT: radiation therapy; s: session; p: patient.
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