Table 1. Characteristics of the randomized trials included in the meta-analysis.
Study | Year | Phase | Line of treatment | Drug delivery | Dominant ethnicity | Treatment comparison | Number of patients | Median age (years) | Female | Never smoker | Activating EGFR-mutant | Jadad score |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Aerts | 2013 | II | Second line | Intercalated | Caucasian | E+DOC or E+PEM | 116 | 62.5 | 43 | 9 | NA | 3 |
E | 115 | 64 | 40 | 7 | NA | |||||||
Auliac | 2014 | II | Second line | Intercalated | Caucasian | E+DOC | 75 | 59.1 | 14 | 9 | NA | 3 |
DOC | 76 | 59.7 | 18 | 2 | NA | |||||||
Boutsikou | 2013 | III | First line | Concurrent | Caucasian | E+DOC+CBP | 52 | 62.5 | 12 | 8 | NA | 3 |
DOC+CBP | 61 | 65 | 4 | 8 | NA | |||||||
Dittrich | 2014 | II | Second line | Concurrent | Caucasian | E+PEM | 76 | 64 | 30 | 10 | NA | 3 |
PEM | 83 | 61 | 34 | 14 | NA | |||||||
Gatzemeier | 2007 | III | First line | Concurrent | Caucasian | E+GEM+DDP | 580 | 60 | 125 | NA | NA | 3 |
E | 579 | 59.1 | 142 | NA | NA | |||||||
Giaccone | 2004 | III | First line | Concurrent | Caucasian | G+GEM+DDP | 365 | 59 | 85 | NA | NA | 4 |
G | 363 | 61 | 101 | NA | NA | |||||||
Herbst | 2004 | III | First line | Concurrent | Caucasian | G+TAX+CBP | 345 | 61 | 146 | NA | NA | 3 |
G | 345 | 63 | 133 | NA | NA | |||||||
Herbst | 2005 | III | First line | Concurrent | Caucasian | E+TAX+DDP | 539 | 62.7 | 217 | 72 | NA | 4 |
E | 540 | 62.6 | 207 | 44 | NA | |||||||
Hirsch | 2011 | II | First line | Intercalated | Caucasian | E+TAX+CBP | 71 | 31 | 21 | 12 | 3 | |
E | 72 | NA | 44 | 19 | 10 | |||||||
Janne | 2012 | II | First line | Concurrent | Caucasian | E+TAX+CBP | 100 | 60 | 58 | 79 | 33 | 3 |
E | 81 | 58 | 49 | 64 | 33 | |||||||
Lee | 2013 | II | Second line | Intercalated | Asian | E+PEM | 78 | 55.8 | 58 | 78 | NA | 3 |
E or PEM | 162 | 54.9 | 99 | 162 | NA | |||||||
Mok | 2009 | II | First line | Intercalated | Asian | E+GEM+DDP or CBP | 76 | 57.5 | 22 | 24 | 2 | 3 |
GEM+DDP or CBP | 78 | 57 | 24 | 28 | 5 | |||||||
Soria | 2015 | III | Second line | Concurrent | Asian | G+PEM | 133 | 60 | 87 | 88 | 127 | 5 |
PEM | 132 | 58 | 84 | 91 | 134 | |||||||
Wu | 2013 | III | First line | Intercalated | Asian | E+GEM+DDP or CBP | 226 | 59 | 94 | 112 | 49 | 5 |
GEM+DDP or CBP | 225 | 57.3 | 85 | 107 | 48 | |||||||
Yu | 2014 | II | First line | Intercalated | Asian | G+PEM+DDP | 58 | 55.3 | 25 | 29 | 14 | 3 |
PEM+DDP | 59 | 54.9 | 34 | 39 | 18 |
Abbreviations: E: erlotinib; G: gefitinib;,DOC: doctaxel; Pem: pemetrexed; TAX: paclitaxel; Gem: gemcitabine; CBP: carboplatin; DDP: cisplatin; NA: not available.