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Anticoagulation in Pediatric Patients
1Department of Paediatrics, Medical University of Vienna, Vienna, Austria.
Insights
Direct oral anticoagulants (DOACs) offer a promising alternative for pediatric anticoagulation, addressing limitations of traditional therapies. Approved for specific uses, they demonstrate comparable safety and efficacy without requiring routine monitoring.
Area of Science:
- Pediatric Hematology
- Pharmacology
- Thrombosis Management
Background:
- Pediatric anticoagulation presents unique challenges including evolving coagulation systems and drug pharmacokinetics.
- Traditional anticoagulants in children often require frequent monitoring, posing practical difficulties.
- Direct oral anticoagulants (DOACs) possess properties making them suitable for pediatric use.
Purpose of the Study:
- To review the development and application of DOACs in pediatric anticoagulation.
- To highlight the advantages of DOACs over traditional anticoagulants in children.
- To discuss ongoing research and future directions for DOACs in pediatric thrombosis.
Main Methods:
- Review of pediatric development programs for DOACs.
- Analysis of child-appropriate formulations and age-specific dosing.
- Evaluation of safety and efficacy data from ongoing Phase 3 trials.
Main Results:
- Rivaroxaban and dabigatran are authorized for pediatric treatment and extended prevention of venous thrombosis.
- DOACs show comparable safety and efficacy to standard anticoagulants in children.
- No routine monitoring is required for authorized DOACs in pediatric patients.
Conclusions:
- DOACs represent a significant advancement in pediatric anticoagulation, offering improved convenience and safety.
- Further research and real-world data are needed to expand DOAC use in younger children and specific populations.
- Pediatric authorizations for additional DOAC indications, such as primary prevention in high-risk settings, are anticipated.
Abstract:
Special aspects of anticoagulation in children include the different epidemiology of thrombosis, developmental changes in the coagulation system, age-dependent pharmacokinetics of anticoagulants, risk of bleeding, and practical hurdles to anticoagulation. The classical anticoagulants so far used in children have several limitations, resulting in the need for regular monitoring. The pharmacological properties of direct oral anticoagulants (DOACs) and the special challenges of anticoagulation in children make the DOACs particularly attractive for children. All DOACs have pediatric development programs, targeting various indications for prevention and treatment of thrombosis. Child-appropriate formulations have been developed, age-specific dosing information generated, and safety and efficacy evaluated in ongoing phase 3 trials. Rivaroxaban and dabigatran have already been authorized for children for treatment of acute venous thrombosis and for extended secondary prevention. Their safety and efficacy have been demonstrated comparable to that of standard-of-care anticoagulants, without need for monitoring. Further studies are ongoing, which are expected to lead to pediatric authorizations of DOACs for primary venous thromboembolic event prevention in some high-risk settings. More real-life data will be necessary from postmarketing studies and registries to complement the evidence base for DOAC use in children, particularly in the youngest age groups and special disease populations.
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