Skip to main content

Table 2 Embase search strategy

From: Study protocol: systematic review and meta-analysis of randomized controlled trials in first-line treatment of squamous non-small cell lung cancer

Embase search

Category

Search

Query

Hits

Design terms

#1

"randomized controlled trial (topic)"/exp

37,931

 

#2

"randomized controlled trial"/exp

337,523

 

#3

"randomization"/exp

61,698

 

#4

"double blind procedure"/exp

115,032

 

#5

[controlled clinical trial]/lim

511,199

 

#6

[randomized controlled trial]/lim

337,523

 

#7

"clinical trial"/exp

961,450

 

#8

"clinical trial (topic)"/exp

73,222

 

#9

#1 OR #2 OR #3 OR #4 OR #5 OR #6

1,088,520

 

#10

singl*: ab,ti OR doubl*: ab,ti OR treb*: ab,ti OR tripl*: ab,ti AND (blind*: ab,ti OR mask*: ab,ti)

174,394

 

#11

"placebo"/exp

236,244

 

#12

random* AND (clinical OR control*) AND trial OR (placebo* AND ("randomly allocated" OR (allocated AND random*)))

504,649

 

#13

(#7 OR #8) AND (#10 OR #11 OR #12)

513,722

 

#14

#9 OR #13

705,098

Exclusion terms

#15

[conference review]/lim

3,863

 

#16

"case report":ab,ti

256,868

 

#17

[review]/lim

2,026,389

 

#18

[letter]/lim

827,115

 

#19

"phase 1 clinical trial"/exp

24,619

 

#20

[short survey]/lim OR "historical article": ab,ti

514,714

 

#21

"systematic review": ab,ti

78,920

 

#22

"clinical review": ab,ti

3,904

 

#23

#15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 OR #22

3,628,070

 

#24

#14 NOT #23

424,301

Rx terms

#25

"drug therapy"/exp/mj

574,153

 

#26

"treatment response"/exp/mj

2,763

 

#27

"treatment outcome"/exp/mj

28,936

 

#28

"drug efficacy"/exp/mj

153,753

 

#29

"outcome assessment"/exp/mj

9,603

 

#30

chemothera* OR ("drug"/exp/mj AND thera*) OR antineoplastic* OR palliat* OR standar* NEAR/2 care OR support* NEAR/2 care OR "best supportive care" OR best?support* NEXT/2 care

1,895,030

 

#31

"radiotherapy"/exp

367,367

 

#32

#25 OR #26 OR #27 OR #28 OR #29 OR #30 OR #31

2,609,134

 

#33

#23 AND #31

88,937

Disease terms

#34

((lung$ OR pulmon$) NEAR/5 (adenocarcinom$ OR squamous OR "large cell" OR "non-small cell")): ab,ti

44,817

 

#35

"lung non small cell cancer"/exp

52,027

 

#36

metastatic: ab,ti

181,820

 

#37

advanced: ab,ti

320,393

 

#38

stage 3: ab,ti

61

 

#39

"Stage 3": ab,ti

8,708

 

#40

stage 4: ab,ti

32

 

#41

"stage 4": ab,ti

5,270

 

#42

stage iii: ab,ti

30

 

#43

"stage iii": ab,ti

31,468

 

#44

stage iv: ab,ti

41

 

#45

"stage iv": ab,ti

20,205

 

#46

"stage iii/iv": ab,ti

6

 

#47

"stage iii/iv": ab,ti

4,552

 

#48

"stage iiib/iv": ab,ti

2

 

#49

"stage iii/iva": ab,ti

1

 

#50

stage* iii: ab,ti

32

 

#51

stage* iii*: ab,ti

49

 

#52

stage* iv: ab,ti

41

 

#53

stage* iv*: ab,ti

52

 

#54

stage iii*: ab,ti

47

 

#55

stage iv*: ab,ti

46

 

#56

inoperable: ab,ti

12,989

 

#57

in* operable: ab,ti

13,465

 

#58

unresectable: ab,ti

15,735

 

#59

non* resectable: ab,ti

1,208

 

#60

late* stage: ab,ti

84

 

#61

late: ab,ti AND stage: ab,ti

41,346

 

#62

metast*: ab,ti OR advance*: ab,ti

900,959

 

#63

relaps* OR recurr* OR unresect* OR non?resect* OR in?operable OR non?operable OR un?operable OR advanc* OR metasta* OR late NEAR/2 stage

1,895,338

 

#64

#34 OR #35

61,621

 

#65

#36 OR #37 OR #38 OR #39 OR #40 OR #41 OR #42 OR #43 OR #44 OR #45 OR #46 OR #47 OR #48 OR #49 OR #50 OR #51 OR #52 OR #53 OR #54 OR #55 OR #56 OR #57 OR #58 OR #59 OR #60 OR #61 OR #62 OR #63

1,943,775

 

#66

#64 AND #65

33,907

 

#67

#33 AND #66

2,689

Language and year

#68

[1995–2013]/py AND [english]/lim

12,998,680

Final

#69

#67 AND #68

2,901