Table 5.
Author (year) [reference number] Institute | Inclusion criteria (n) | EBRT dose (Gy) Median (range) | BT dose (Gy) Median (range) | Local control (%) | Survival | Complication rate (%) |
---|---|---|---|---|---|---|
Shiu et al. (1991) [7], Memorial Sloan-Kettering Cancer Centre, USA | Locally advanced/candidate for amputation (33) | – | LDR 44 (25-54) | At 3 yr, 88% At 5 yr, 70% |
– | 39% (overall) |
Harrison et al. (1993) [8], Memorial Sloan-Kettering Cancer Centre, USA | After gross tumor resection BT (intra-operative insertion) vs. no BT, randomized control trial (166) |
– | LDR 42-45 | At 5 yrs, 82% vs. 67% | 5 yr DFS 81% vs. 80%(NS) |
14% vs. 10% (NS) (wound complication) |
Chaudhary et al. (1998) [9], Tata Memorial Hospital, India | Non-metastatic STS in adults (177) | 45 (12-70) | HDR alone 30 (29-50) | At 30 months, 70%, After salvage, 86% | – | < 1% |
Rosenblatt et al. (2003) [10], Haifa, Israel | Non-metastatic STS (32) | 39.2 (16.2-45) | LDR 33 (18-49), HDR 16 | At 3 yrs, 87.5% | At 5 yrs DFS 56%, OS 70% | Wound complication 16%, Late local toxicities 19% |
Laskar et al. (2007) [11], Tata Memorial Hospital, India | Non-metastatic STS, children, (median age 13 yrs) (50) | 45 (30.6-45) | HDR alone 36 (30-40) EBRT + HDR BT 21 (15-36) |
At 51 months, 82% | At 51 months, DFS 68%, OS 71% | Wound complication 4%, Late toxicities 20% |
Laskar et al. (2014) [12], Tata Memorial Hospital, India | Non-metastatic STS, children, (Median age 15 yrs) (76) | – | – | At 70 months, 85% | At 70 months, DFS 74%, OS 77% | Wound complication 8%, Late local toxicities 31% |
Cortesy et al. (2017) [13], Italy | Primary or recurrent STS (107) | 46 (mean) | LDR and PDR 20 (mean?) | At 5 yrs, 80.5% | At 5 yrs, DFS 58.6% OS 87.4% | |
Current study | Primary STS (27) | 50 (30-50) | HDR alone 60.7 (33.4-67.4) EBRT + HDR BT 66.6 (42-78) | At 5 yrs, 85.7% | DFS 39.7 ±3.9 months OS 42.4 ±3.4 months |
≥ grade 2 skin toxicity in 14.8% patients |
EBRT – external beam radiation therapy; BT – brachytherapy; HDR – high-dose-rate; PDR – pulsed-dose-rate; LDR – low-dose-rate; DFS – disease-free survival; OS – overall survival; yrs – years; NS – not significant