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

AuthornRDT scheduleCommentary

Shelley et al., 2000 [15]29440 Gy in 2.5 Gy/s, 22 days

Deutsch, 2002 [38]47Different schedules since
50 Gy in 2 Gy to 36 Gy in 3 Gy
80–89 years old

Whelan et al., 2002 [39]1234Standard 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]141050 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]2236START 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

(b) Weekly hypofractionated schedules

AuthornRDT scheduleCommentary

Rostom et al., 1987 [21]846.5 Gy × 6 s

Bates, 1988 [40]4113 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]23045 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]706.5 Gy × 5 s + boost 6.5 Gy × 2 sBiopsy or cytology only

Ortholan et al., 2005 [22]1506.5 Gy × 5 s; supra 5.5 Gy × 5 s; boost 6.5 Gy × 1 or 2 s108 p lumpectomy, 43 p mastectomy

Courdi et al., 2006 [24]1156.5 × 5 sMedian age 83 years, biopsy only

Sanz et al., 2008 [7]2626.25 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]426 Gy × 5 s69% lumpectomy
31% chemotherapy

Yarnold, 2011 [25]91550 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]29830 Gy (6 Gy × 5 s) or 32.5 Gy (6.5 Gy × 5 s)

Brunt et al., 2016 [35]35240 Gy in 15 s in 3 weeks versus 27 Gy in 5 s in 1 week or 26 Gy in 5 s in 1 weekPatients that require lymph node irradiation are excluded

RDT: radiation therapy; s: session; p: patient.