Related trials
RE-NOVATE 2, 2010 - dabigatran 220mg vs enoxaparin
ADVANCE 2 (CV185-047), 2010 - apixaban vs enoxaparin
WATCH (warfarin vs aspirin), 2009 - warfarin vs aspirin
RECORD 4, 2009 - rivaroxaban vs enoxaparin
RECORD 3, 2008 - rivaroxaban vs enoxaparin
RE-MOBILIZE (150mg), 2008 - dabigatran 150mg vs enoxaparin
ADVANCE-1, 2008 - apixaban vs enoxaparin
RECORD 2, 2008 - extended rivaroxaban vs enoxaparin
RE-MOBILIZE (220mg), 2008 - dabigatran 220mg vs enoxaparin
RECORD 1, 2008 - extended rivaroxaban vs extended enoxaparin
DRIVE, 2008 - SR123781A vs enoxaparin
RE-MODEL (220mg), 2007 - dabigatran 220mg vs enoxaparin
RE-NOVATE (150mg), 2007 - dabigatran 150mg vs enoxaparin
RE-MODEL (150mg), 2007 - dabigatran 150mg vs enoxaparin
RE-NOVATE (220mg), 2007 - dabigatran 220mg vs enoxaparin
Cohen (L8405), 2007 - compression stocking group vs control (on top fondaparinux)
HELAS (warfarin vs aspirin), 2006 - warfarin vs aspirin
ODIXa-HIP 10mg, 2006 - rivaroxaban vs enoxaparin
ODIXa-KNEE, 2005 - rivaroxaban vs enoxaparin
BISTRO II (225mg bid), 2005 - dabigatran 450mg vs enoxaparin
NASPEAF (triflusal+coumadin medium dose vs triflusal), 2004 - triflusal+coumadin medium dose vs triflusal
NASPEAF (triflusal + coumadin medium dose vs coumadin standard dose), 2004 - triflusal+coumadin medium dose vs coumadin standard dose
WASH (warfarin), 2004 - warfarin vs no treatment
PENTHIFRA–PLUS (Eriksson), 2003 - extended prophylaxis vs standard prophylaxis
EXPRESS, 2003 - ximelagatran vs Enoxaparin
See also:
All DVT prophylaxis clinical trials
All clinical trials of new oral anticoagulant
All clinical trials of dabigatran 450mg
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BISTRO II (225mg bid) study, 2005
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Treatments
Studied treatment |
dabigatran etexilate 225 mg twice daily for 6–10 days
6–10 days starting 12h prior to surgery
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Control treatment |
subcutaneous enoxaparin 40 mg once daily
6–10 days starting 12h prior to surgery
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Remarks |
dose finding study dabigatran (50,150 mg twice daily, 300 mg once daily, 225 mg twice daily) and enoxaparin |
Treatments description |
enoxaprin regimen |
started before surgery |
treatment duration |
6-10 days |
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Patients
Patients |
patients undergoing total hip or knee replacement |
Baseline characteristics |
Age (mean), years |
65.9y (range 20-93) |
Total hip replacement |
31% |
Total knee replacement |
67% |
Weight, kg, |
79kg (range 43-130) |
Female |
61.1% |
general anesthesia |
27% |
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Method and design
Randomized effectives |
393 / 392 (studied vs. control) |
Design |
Parallel groups |
Blinding |
double blind |
Number of centre |
62 |
Geographic area |
Europe and South Africa (2 centres) |
Hypothesis |
Superiority |
Results
Endpoint
Studied treat. n/N
Control treat. n/N
Graph
RR [95% CI]
distal DVT
36 / 297
67 / 300
0,54 [0,37;0,79]
total VTE and all-cause mortality
39 / 297
72 / 300
0,55 [0,38;0,78]
proximal DVT
5 / 297
17 / 300
0,30 [0,11;0,79]
0
2
1.0
Relative risks
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Endpoint |
Events (%) |
Relative Risk |
95% CI |
Endpoint definition in the trial |
Ref |
Studied treat. |
Control treat. |
proximal DVT
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5 / 297 (1,7%) |
17 / 300 (5,7%) |
0,30 |
[0,11;0,79] |
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total VTE and all-cause mortality
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39 / 297 (13,1%) |
72 / 300 (24,0%) |
0,55 |
[0,38;0,78] |
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distal DVT
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36 / 297 (12,1%) |
67 / 300 (22,3%) |
0,54 |
[0,37;0,79] |
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The primary endpoint (if exists) appears in blod characters
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Reference(s) used for data extraction:
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Endpoint |
studied treat. |
control treat. |
mean diff |
Absolute risk reduction
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Endpoint |
Events rate |
Absolute risk reduction (ARR) |
Studied treat. |
Control treat. |
proximal DVT |
1,68% |
5,67% |
-39,8‰
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total VTE and all-cause mortality |
13,13% |
24,00% |
-108,7‰
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distal DVT |
12,12% |
22,33% |
-102,1‰
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Reference(s)
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Eriksson BI, Dahl OE, Büller HR, Hettiarachchi R, Rosencher N, Bravo ML, Ahnfelt L, Piovella F, Stangier J, Kälebo P, Reilly P.
A new oral direct thrombin inhibitor, dabigatran etexilate, compared with enoxaparin for prevention of thromboembolic events following total hip or knee replacement: the BISTRO II randomized trial..
J Thromb Haemost 2005 Jan;3:103-11
Pubmed
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Hubmed
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