Table 1
Studies of radiation treatment in patients with melanoma brain metastases
| LA | GK | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Carella50 | 1980 | US | 1971–NS | 60 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Katz51 | 1981 | US | 1971–1980 | 63 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Vlock52 | 1982 | US | 1970–1980 | 46 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Byrne43 | 1983 | US | 1978–1980 | 80 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Stridsklev53 | 1984 | Norway | 1973–1980 | 39 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Choi (A)54 | 1985 | US | 1972–1977 | 194 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Choi (B)55 | 1985 | US | 1972–1977 | 59 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Ziegler56 | 1986 | US | 1972–1984 | 72 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Rate44 | 1988 | US | 1980–1987 | 77 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Hagen57 | 1990 | US | 1972–1987 | 35 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Stevens38 | 1992 | Australia | 1982–1990 | 129 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Somaza58 | 1993 | US | 1988–1992 | 23 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Willner59 | 1995 | Germany | 1985–1993 | 30 | ⨯ | Disease cohort | ✓ | ✓ | ✓ | ||
| Isokangas40 | 1996 | Finland | 1980–1994 | 60 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Skibber60 | 1996 | US | 1979–1991 | 34 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Gieger36 | 1997 | US | 1992–1994 | 12 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Gupta61 | 1997 | UK | 1991–1996 | 31 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Grob62 | 1998 | France | 1993–1996 | 35 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Sampson63 | 1998 | US | past years 20 | 670 | ⨯ | Disease cohort | ✓ | ✓ | |||
| Seung64 | 1998 | US | 1991–1995 | 55 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Lavine65 | 1999 | US | 1994–1997 | 45 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Kontsadoulakis66 | 2000 | US | 1970–1992 | 136 | ⨯ | Disease cohort | ✓ | ✓ | ✓ | ||
| Ellerhorst67 | 2001 | US | 1992–1995 | 87 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Buchsbaum68 | 2002 | US | 1994–1998 | 74 | ⨯ | Disease cohort | ✓ | ✓ | ✓ | ✓ | |
| Gonzalez- Martinez69 | 2002 | US | 1996–NS | 24 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Mingione70 | 2002 | US | 1989–1999 | 45 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | |
| Noel71 | 2002 | France | 1994–2001 | 25 | ⨯ | Treatment cohort | ✓ | ||||
| Yu72 | 2002 | US | 1994–1999 | 122 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Zacest73 | 2002 | Australia | 1979–1999 | 147 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Harrison74 | 2003 | US | 1990–1997 | 65 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Conill75 | 2004 | Spain | 1997–2002 | 26 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Fife37 | 2004 | Australia | 1985–2000 (also 1952– 1984) | 686 (+ 451) | ⨯ | Disease cohort | ✓ | ✓ | |||
| Meier76 | 2004 | Switzerland | 1966–2002 | 100 | ⨯ | Disease cohort | ✓ | ✓ | ✓ | ✓ | ✓ |
| Morris77 | 2004 | UK | 1998–2003 | 102 | ⨯ | Treatment cohort | ✓ | ✓ | ? | ? | ✓ |
| Radbill78 | 2004 | US | 1996–2001 | 51 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Selek79 | 2004 | US | 1991–2001 | 103 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Stone80 | 2004 | US | 1989–1999 | 83 | ⨯ | Disease cohort | ✓ | ✓ | ✓ | ||
| Koc81 | 2005 | US | 1999–2003 | 26 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Panagiotou82 | 2005 | Greece | 1986–2001 | 64 | ⨯ | Disease cohort | ✓ | ✓ | ✓ | ||
| Rhomberg83 | 2005 | Austria | 1982–2002 | 19 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Christopoulou84 | 2006 | UK | 1998–2004 | 29 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| MarquestaGaudy- 85 | 2006 | France | 1997–2003 | 106 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Conill86 | 2007 | Spain | 1997–2004 | 37 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Mathieu87 | 2007 | US | 1987–2005 | 245 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Samlowski32 | 2007 | US | 1999–2004 | 44 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | |
| Raizer5 | 2008 | US | 1991–2001 | 355 | ⨯ | Disease cohort | ✓ | ✓ | ? | ? | ✓ |
| Redmond88 | 2008 | US | 1998–2007 | 59 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Carrubba89 | 2009 | US | 2002–2007 | 37 | ⨯ | Disease cohort | ✓ | ✓ | ? | ? | |
| Ahmad90 | 2010 | UK | 2001–2009 | 65 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Rades91 | 2010 | Germany | 1989–2008 | 51 | ⨯ | Treatment cohort | ✓ | ||||
| Schild92 | 2010 | US | NS | 7 (+ 53) | Y+N | Treatment cohort | ✓ | ✓ | |||
| Staudt93 | 2010 | Germany | 1986–2003 | 265 | ⨯ | Disease cohort | ✓ | ✓ | ✓ | ✓ | |
| Davies34 | 2011 | US | 1986–2004 | 330 | ⨯ | Disease cohort | ✓ | ✓ | ? | ? | |
| Eigentler94 | 2011 | Germany | 1986–2007 | 672 | ⨯ | Disease cohort | ✓ | ✓ | ? | ? | ✓ |
| Liew95 | 2011 | US | 1987–2008 | 333 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Skeie96 | 2011 | Norway | 1996–2006 | 77 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Zakrzewski97 | 2011 | US | 2002–2008 | 89 | ⨯ | Disease cohort | ✓ | ? | ? | ✓ | |
| Bernard98 | 2012 | US | 2004–2010 | 54 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Hauswald33 | 2012 | Germany | 2000–2011 | 87 | ⨯ | Treatment cohort | ✓ | ✓ | ? | ? | |
| Knisely35 | 2012 | US | 2002–2010 | 77 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Koay99 | 2012 | US | 2005–2011 | 296 | ⨯ | Disease cohort | ✓ | ✓ | ? | ? | ✓ |
| Lo100 | 2012 | US | 2000–2007 | 28 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Salvati101 | 2012 | Italy | 1997–2007 | 84 | ⨯ | Treatment cohort | ✓ | ✓ | ? | ? | |
| Mathew102 | 2013 | US | 2008–2011 | 58 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Miller103 | 2013 | Germany | 2000–2010 | 34 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Partl31 | 2013 | Austria | 1988–2009 | 87 | ⨯ | Treatment cohort | ✓ | ✓ | ? | ? | |
| Silk41 | 2013 | US | 2005–2012 | 70 | ⨯ | Treatment cohort | ✓ | ? | ? | ✓ | |
| Zukauskaite104 | 2013 | Denmark | 1995–2009 | 80 | ⨯ | Treatment cohort | ✓ | ✓ | ? | ? | ✓ |
| Dyer105 | 2014 | US | 2000–2010 | 147 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Marcus106 | 2014 | US | 1998–2010 | 135 | ⨯ | Treatment cohort | ✓ | ✓ | ? | ? | ✓ |
| Neal107 | 2014 | US | 2000–2009 | 129 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | |
| Rades 108 | 2014 | Germany | 2000–2013 | 54 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Vecchio109 | 2014 | Italy | 1994–2010 | 115 | ⨯ | Disease cohort | ✓ | ✓ | ? | ? | ✓ |
| Christ110 | 2015 | US | 2005–2011 | 103 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | |
| Frakes111 | 2015 | US | 2008–2012 | 28 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Hauswald112 | 2015 | Germany | 1990–2011 | 84 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | |
| Ivanov113 | 2015 | Russia | 2009–2013 | 95 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Ly114 | 2015 | US | 2009–2012 | 52 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Ostheimer115 | 2015 | Germany | 1992–2011 | 100 | ⨯ | Treatment cohort | ✓ | ✓ | ? | ? | ✓ |
| Gallaher116 | 2016 | US | since 2006 | 19 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Gupta29 | 2016 | UK | NS | 18 | Yes | RCT | ✓ | ✓ | |||
| Patel117 | 2016 | US | 2007–2014 says (abstract 2005– 2013) | 87 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Rades118 | 2016 | Germany | 2000–2015 | 23 | ⨯ | Treatment cohort | ✓ | ||||
| Szyszka-Chare39 | 2016 | Poland | 1985–2012 | 110 | ⨯ | Disease cohort | ✓ | ✓ | ? | ? | ✓ |
| Wolf119 | 2016 | US | 2012–2015 | 80 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | |
| Acharya120 | 2017 | US | 2006–2016 | 72 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| All121 | 2017 | US | 2008–2016 | 58 | ⨯ | Treatment cohort | ? | ? | |||
| Feng122 | 2017 | US | 2007–2014 | 87 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | ✓ |
| Kaidar-Person123 | 2017 | US | 2007–2015 | 58 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Minniti124 | 2017 | Italy | 2008–2015 | 120 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Patel125 | 2017 | US | 2009–2013 | 54 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Pessina126 | 2017 | Italy | 2011–2015 | 53 | ⨯ | Treatment cohort | ✓ | ? | ? | ||
| Sperduto127 | 2017 | US | 2006–2013 | 823/481 | ⨯ | Disease cohort | ✓ | ✓ | ? | ? | |
| Xu128 | 2017 | US | 2010–2014 | 65 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | |
| Diao(A) 129 | 2018 | US | 2006–2015 | 72 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Diao(B) 130 | 2018 | US | 2006–2015 | 91 | ⨯ | Treatment cohort | ✓ | ✓ | |||
| Fang131 | 2018 | US | 2005–2011 | 235 | ⨯ | Disease cohort | ✓ | ✓ | ? | ? | ✓ |
| Gabani132 | 2018 | US | 2011–2013 | 1104 | ⨯ | Treatment cohort | ✓ | ? | ? | ✓ | |
| Kano133 | 2018 | US | 1988–2012 | 422 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | |
| Kotecha134 | 2018 | US | 1987–2014 | 366 | ⨯ | Disease cohort | ✓ | ✓ | ✓ | ✓ | ✓ |
| Ladwa135 | 2018 | Australia | 2009–2016 | 142 | ⨯ | Disease cohort | ✓ | ✓ | ? | ? | |
| Matsunaga136 | 2018 | Japan | 1991–2015 | 177 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | |
| Tio137 | 2018 | Australia | 2011–2014 | 355 | ⨯ | Disease cohort | ✓ | ✓ | ? | ? | ✓ |
| Zubatkina138 | 2018 | Russia | 2009–2014 | 78 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ||
| Hauswald28 | 2019 | Germany | 2013–2017 | 7 | Yes | RCT | ✓ | ||||
| Hong30 | 2019 | Australia | 2009–2017 | 215 | Yes | RCT | ✓ | ✓ | ? | ? | ✓ |
| Jardim139 | 2019 | Australia | 2015–2017 | 43 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | |
| Mastorakos140 | 2019 | US | 2011–2015 | 198 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | |
| Phillips42 | 2019 | Canada | 2000–2018 | 277 | NS | Disease cohort | ✓ | ? | ? | ||
| Tjong141 | 2019 | Canada | 2008–2017 | 97 | ⨯ | Treatment cohort | ✓ | ✓ | ? | ? | |
| McHugh142 | 2020 | Zealand New | 2005–2017 | 110 | ⨯ | Treatment cohort | ✓ | ✓ | ? | ? | ✓ |
| Pomeranz- Krumme143 | 2020 | US | 2010–2018 | 25 | ⨯ | Treatment cohort | ✓ | ✓ | ✓ | ✓ | ✓ |

Figure 1
Flowchart of search findings, exclusions and number of included studies.

Figure 2
(A) Risk of bias assessments for randomised controlled trials evaluating radiation therapies in patients with melanoma brain metastases. (B) Quality assessment of cohort studies of patients with melanoma brain metastases treated with radiation therapy.
Table 2
Patient characteristics within treatment group for the 51 studies that reported baseline characteristics
| Males | Asymptomatic | With single brain metastasis | With controlled primary disease | |||
|---|---|---|---|---|---|---|
| Median | 53.0 | 63.8% | i11.5%, i32.2% | 26.6% | 29.0% | |
| WBRT alone | IQR | 49.0–55.8 | 42.5–73.7 % | NA | 18.5–48.6% | 13.9–47.8% |
| N studies(pts) | 10 (295) | 13 (496) | 2 (85) | 7 (339) | 10 (329) | |
| Median | 60.2 | 66.7% | 66.8% | 54.8% | 32.2% | |
| SRS alone | IQR | 56.25–62.25 | 54.0–76.3% | 59.65–78.79% | 41.19–61.22 | 26.16–36.32% |
| N studies(pts) | 9 (444) | 12 (822) | 4 (359) | 9 (706) | 8 (669) | |
| WBRT and any of SRS, surgery, | Median | 53.0 | 63.4% | 51.7% | 45.9% | |
| IQR | 47.00–58.75 | 51.64–73.88% | 40.72–72.91% | 30.18–68.06% | ||
| chemotherapy, non-contemp | N studies(pts) | 5 (243) | 6 (266) | 4 (223) | 6 (262) | |
| SRS and any of; | Median | 56.9 | 59.1% | 65.4% | 38.8% | 24.0% |
| surgery, WBRT, chemotherapy, | IQR | 52.5 – 59.25 | 54.82 – 68.04% | 51.28 – 66.38% | 30.11 – 51.74% | 17.56 – 39.70% |
| non-contemp | N studies(pts) | 17 (1127) | 20 (1838) | 5 (953) | 16 (1697) | 16 (1660) |
[i] GK = Gamma Knife methods; non-contemp = non-contemporary systemic therapy; i = individual study data; IQR = interquartile range; NA = not applicable; SRS = stereotactic radiosurgery; WBRT = whole brain radiation therapy stereotactic radiosurgery
Table 3
Pooled outcome results for studies of radiation treatments
| Treatment | Groups | Median survival | 1-year survival rate, % | 1-year local control rate | 6-mo new brain lesion rate | Serious adverse events | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Studies (Patients) | Months (IQR) | Studies (Patients) | % (IQR) | Studies (Patients) | % (IQR) | Studies (Patients) | % (IQR) | |||
| WBRT vs. WBRT + Surgery | ||||||||||
| Non-random, | WBRT | 11 (980) | 4.0 (3.0, 4.0) | Not reported | ||||||
| comparative | WBRT+Surg | 11 (439) | 11.0 (8.8,11.8) | |||||||
| All studies | WBRT | 26 (2185) | 3.5 (2.4, 4.0) | 7 (189) | 9.0 (0.0, 22.5) | 1 (74) | 5.5 (0.0, | Post-op death; | ||
| WBRT+Surg | 16 (619) | 11.0 (7.8, 12.0) | 1 (19) | i41.0 | 0 | 12.0) | 2% (1 study), | |||
| Hemorrhage; | ||||||||||
| 3/72 lesions (1 Study) | ||||||||||
| WBRT vs. Surgery | ||||||||||
| Non-random, | WBRT | 5 (699) | 3.9 (3.6, 5.0) | - | ||||||
| comparative | Surgery | 5 (234) | 9.8 (7.6, 16.5) | Gr3 tox; 3/39 (1 study) | ||||||
| Surgery | 9 (359 | 8.7 (6.2, 10.4) | 1 (16) | i36.0 | Post-op death; | |||||
| All studies | 2% (1 Study) | |||||||||
| WBRT vs. SRS | ||||||||||
| Non-random, | WBRT | 3 (931) | 4.1 (3.2, 5.6) | - | ||||||
| comparative | SRS | 3 (980) | 8.8 (7.2, 11.4) | Hemorrhage; 4/56 | ||||||
| SRS | 8 (1188) | 7.5 (6.7, 9.0) | 6 (330) | 35.5 (20.8, 47.8) | 4 (260) | 76.0 | lesions (1 study) | |||
| All studies | (62.8, | (SRS-GK) | ||||||||
| i26.0 | 88.5) | |||||||||
| SRS-GK | 5 (208) | 7.0 (5.6, 7.8) | 1 (83) | |||||||
| SRS Type | SRS-LA | 0 | - | |||||||
| SRS-NS | 3 (980) | 8.8 (7.2, 11.4) | ||||||||
| WBRT vs. WBRT + | ||||||||||
| Chemotherapy | ||||||||||
| Non-random, | WBRT | 4 (148) | 2.5 (1.0, 4.2) | 0 | - | Gr3 tox; 3/39 (1 study) | ||||
| comparative | WBRT +Chemo | 4 (62) | 5.5 (4.0, 6.0) | 1 (7) | i0.0 | |||||
| Leukopenia; 2/8 | ||||||||||
| All studies | WBRT+Chemo | 6 (137) | 4.3 (2.8, 6.0) | 2 (15) | i0.0, i37.0 | 0 | - | 0 | - | (1 study), Toxicity; |
| 9/14 (1 study) | ||||||||||
| SRS vs. WBRT+SRS | Swelling | |||||||||
| Non-random, | SRS | 5 (881) | 7.0 (6.0, 8.1) | 1 (83) | i26.0 | requiring surgical | ||||
| comparative | WBRT+SRS | 5 (344) | 6.5 (5.7, 6.5) | 1 (39) | i23.0 | decompression; | ||||
| 3/77 pts (1 study) | ||||||||||
| WBRT+SRS | 12 (516) | 7.0 (6.0, 8.0) | 3 (58) | 36.0 (29.5, 37.0) | 0 | - | 0 | - | ||
| All studies | - | |||||||||
| WBRT vs. WBRT+SRS | ||||||||||
| Non-random, | WBRT | 4 (337) | 3.6 (2.7, 5.0) | 1 (59) | i10.0 | |||||
| comparative | WBRT+SRS | 4 (197) | 7.4 (6.5, 10.7) | 1 (8) | i38.0 | |||||
| SRS+ Chemotherapy | ||||||||||
| Al studies | SRS+Chemo | 1 (23) | i6.5 | 0 | - | 0 | - | 0 | - | - |
| SRS+/- Chemo | 7 (580) | 7.9 (6.1, 9.9) | 2 (358) | i13.2, i27.9 | 1 (106) | i69.0 | 1 (106) | i12.0 | Hemorrhage; 1/106 pt (1 study), 4/56 lesions (1 study). Radiation necrosis; 1/106 pts (1 study) | |
| SRS + Surgery | ||||||||||
| All studies | SRS+Surg | 4 (200) | 13 (9.4, 13.5) | 1 (60) | i58.0 | 1 (34) | i52.0 | 1 (34) | i32.0 | Hemorrhage; |
| 18% (1 study) | ||||||||||
| WBRT+ other treatments | ||||||||||
| All studies | WBRT and any of | 47 (2230) | 7.2 (4.6, 9.4) | 19 (827) | 21.4 (13.6, 37.0) | 5 (208) | 1.0 (0.0, | 8 (986) | 46.5 (39.8, | WBRT specific; |
| surgery, SRS, non- | 16.0) | 55.5) | Deaths;6/194 | |||||||
| contemp | (1 study), headache; 12/26 (1 study), Toxicity > Gr3; 3/7 (1 study) LeukopeniaGr1-2; 2/9 (1 study) Hemorrhage; 1/20 (1 study) | |||||||||
| SRS+ other treatments | ||||||||||
| All studies | SRS and any of | 42 (2702) | 8.0 (6.2, 10.9) | 35 (2644) | 31.0 (25.0, 39.0) | 16 (1043) | 69.0 | 10 (1261) | 49.0 (42.0, | SRS specific; |
| surgery, WBRT, non- | (60.0, | 56.0) | Hemorrhage; 14% | |||||||
| contemp | 82.0) | (4 studies, 441 patients) Radiation necrosis; 6.6% (4 studies, 241 patients Seizure-edema-death; 1/55 (1 study) Complications; 6/106 (1 study) | ||||||||
[i] Chemo = chemotherapy; GK = Gamma Knife methods; Gr = grade; i = individual study data; IQR = interquartile range; LA = linear accelerator; non-contemp = non contemporary systemic therapy; SRS = stereotactic radiosurgery; Surg = surgery; WBRT = whole brain radiation therapy
Table 4
Median survival within treatment groups and grouped by the first year of patient recruitment
| First year of recruitment | Pre–1989 | 1990–2002 | 2003–2015 | Not reported | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of studies | Median survival | IQR | No. of studies | Median survival | IQR | No. of studies | Median survival | IQR | No. of studies | Median survival | IQR | |
| All patients | 25 | 4.8 | 3.25–8.05 | 33 | 6.0 | 4.35–8.00 | 22 | 9.2 | 6.90–11.43 | 1 | i3.0 | NA |
| WBRT alone | 17 | 3.6 | 2.49–4.0 | 7 | 2.5 | 2.3–4.0 | 6 | 4.2 | 2.75–4.80 | 3 | 4.3 | 3.40–6.40 |
| SRS alone | 2 | i6.4, i7.7 | 4 | 7.3 | 5.78–7.88 | 2 | i10.0, i11.9 | 0 | ||||
| WBRT and any of surgery, SRS, non-contemporary systemic therapy | 43 | 7.4 | 4.00–9.20 | 23 | 7.3 | 5.50–10.00 | 4 | 8.0 | 5.73–10.50 | 2 | i3.6, i4.3 | |
| SRS and any of surgery, WBRT, non-contemporary systemic therapy | 17 | 8.3 | 5.90–9.65 | 29 | 7.9 | 5.85–10.04 | 18 | 9.0 | 6.90-13.00 | 0 | ||