At a glance
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A Prospective, Open-Label, Active-Controlled Study to Evaluate the Pharmacokinetics, Pharmacodynamics, Safety, and Efficacy of Rivaroxaban for Thromboprophylaxis in Pediatric Subjects 2 to 8 Years of Age After the Fontan Procedure
In Brief
A Phase 3 clinical trial evaluating Rivaroxaban and Acetylsalicylic Acid for Thrombosis. Completed, enrolled 112 participants across 42 sites in 10 countries.
Detailed Summary
The Purpose of this study is to characterize the single and multiple-dose pharmacokinetic (PK) and pharmacokinetic/pharmacodynamic (PK/ PD) profiles after oral rivaroxaban therapy administered to pediatric participants 2 to 8 years of age with single ventricle physiology who have completed the Fontan procedure within 4 months prior to enrollment (Part A) and to evaluate the safety and efficacy of rivaroxaban, administered twice daily (exposure matched to rivaroxaban 10 milligram \[mg\] once daily in adults) compared to acetylsalicylic acid (ASA), given once daily (approximately 5 milligram per kilogram \[mg/kg\]) for thromboprophylaxis in pediatric participants 2 to 8 years of age with single ventricle physiology who have completed the Fontan procedure within 4 months prior to enrollment.
Study Details
Timeline
Interventions
Participants will receive oral suspension containing rivaroxaban 1 milligram per milliliter (mg/ml) twice daily in Part A and Part B. Following total daily doses of Rivaroxaban will be administered based on the weight of the participants: 7 to \<8 kilogram (kg) will receive 2.2 milligram (mg); 8 to \<10 kg will receive 3.2 mg; 10 to\<12 kg will receive 3.4 mg; 12 to \<20 will receive 4.0 mg and 20 to \<30 will receive 5.0 mg.
Participants will receive 5 milligram per kilogram (mg/kg) of acetylsalicylic acid once daily up to 12 months in Part B.