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About EXCLAIM
The EXCLAIM trial is the first international, multicenter, prospective, randomized, double-blind, placebo-controlled study. It enrolled 5,105 acutely-ill patients with recent reduced mobility in 20 countries, comparing extended-duration (28 plus or minus 4 days) venous thromboembolism (VTE) prophylaxis with enoxaparin, a low-molecular-weight heparin (LMWH) with the standard regimen of enoxaparin (10 plus or minus 4 days) for the prophylaxis of VTE.
Patients recently immobilized for up to 3 days with level 1 mobility (total bed rest or sedentary patients) or with level 2 mobility (with bathroom privileges) with age > 75 years or history of VTE or diagnosis of cancer and predefined acute medical illness were randomized to received enoxaparin 40 mg subcutaneously once daily for 10 plus or minus 4 days and were then randomized to receive the same enoxaparin regimen or placebo for an additional 28 plus or minus 4 days.
The steering committee followed the Data Safety Monitoring Board (DSMB) suggestion that in addition to level 1 mobility patients to re-define the inclusion criteria by adding on level 2 mobility patients inclusion criteria : Age >75 years, or prior VTE or diagnosed cancer.
The objective of the Exclaim study was to assess the superiority of enoxaparin prophylaxis given for 28 plus or minus 4 days versus placebo, both following an initial treatment with enoxaparin for 10 plus or minus 4 days, to reduce VTE events
The primary efficacy endpoint was the incidence of asymptomatic
deep-vein thrombosis (DVT) detected by routine standardized
ultrasonography, symptomatic DVT, symptomatic pulmonary embolism
(PE), or fatal PE during the double-blind period. Secondary
efficacy endpoints include the incidence of VTE at 3 months and the
incidenc
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