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Medline OVID (2010 ‐ June 2016)	1 exp Hemophilia/ 2 Haemophilia.mp. 3 hemophilia.mp. or exp Hemophilia/ 4 Inherit:.mp. 5 Heredit:.mp. 6 Congenital.mp. 7 4 or 5 or 6 8 1 or 2 or 3 9 7 and 8 10 factor concentrat:.mp. 11 Factor Product:.mp. 12 recombinant factor:.mp. 13 plasma$ factor$.mp. 14 clot$ factor$.mp. 15 Factor$ VIII.mp. 16 Factor eight.mp. 17 FVIII.mp. 18 FIX.mp. 19 Factor nine.mp. 20 Factor$ IX.mp. 21 cryoprecipitat$.mp. 22 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19 or 20 or 21 23 Prophyla:.mp. 24 prevent:.mp. 25 23 or 24 26 Secondar:.mp. 27 Adult.mp. 28 26 or 27 29 25 and 28 30 9 and 22 and 29
ISRCTN www.isrctn.com/	[Basic Search] (haemophilia OR hemophilia) AND (prophylactic OR prophylaxis)
Clinicaltrials.gov ClinicalTrials.gov	[Advanced Search] Condition or disease: haemophilia OR haemophilia Other terms: prophylactic OR prophylaxis Study type: Interventional Studies (Clinical Trials)
WHO ICTRP	[Advanced Search] Condition: haemophilia OR haemophilia AND Intervention: prophylactic OR prophylaxis Recruitment status is: All