Appendix 1. MEDLINE (Ovid) search strategy

1. exp Adrenal Cortex Hormones/

2. (corticoid* or corticosteroid* or glucocorticoid*).tw.

3. (adrenal adj2 hormone*).tw.

4. Betamethasone/

5. betamethasone.tw.

6. Fludrocortisone/

7. fludrocortisone.tw.

8. Cortisone/

9. cortisone.tw.

10. deflazacort.tw.

11. Dexamethasone/

12. dexamethasone.tw.

13. Hydrocortisone/

14. hydrocortisone.tw.

15. Methylprednisolone/

16. methylprednisolone.tw.

17. Prednisolone/

18. prednisolone.tw.

19. Triamcinolone/

20. triamcinolone.tw.

21. 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19 or 20

22. Nausea/

23. Vomiting/

24. Vomiting, Anticipatory/

25. Antiemetics/

26. "nause*".tw.

27. "vomit*".tw.

28. "anti*eme*".tw.

29. emesis.tw.

30. "emetic*".tw.

31. "retch*".tw.

32. 22 or 23 or 24 or 25 or 26 or 27 or 28 or 29 or 30 or 31

33. malignant.tw.

34. malignancy.tw.

35. "tumor*".tw.

36. "tumour*".tw.

37. "cancer*".tw.

38. "carcinoma*".tw.

39. "adenocarcinoma*".tw.

40. "sarcoma*".tw.

41. "melanoma*".tw.

42. "glioma*".tw.

43. "glioblastoma*".tw.

44. "medulloblastoma*".tw.

45. exp Neoplasms/

46. 33 or 34 or 35 or 36 or 37 or 38 or 39 or 45

47. 21 and 32 and 46

48. randomized controlled trial.pt.

49. controlled clinical trial.pt.

50. randomized.ab.

51. randomised.ab.

52. placebo.ab.

53. randomly.ab.

54. trial.ab.

55. groups.ab.

56. drug therapy.fs.

57. 48 or 49 or 50 or 51 or 52 or 53 or 54 or 55 or 56

58. exp animals/ not humans.sh.

59. 57 not 58

60. 47 and 59