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Updated: Jul 5, 2026

Rapid Point-of-Care Assay of Enoxaparin Anticoagulant Efficacy in Whole Blood
Published on: October 12, 2012
Heparin and low-molecular-weight heparin
Elaine Gray1, Barbara Mulloy, Trevor W Barrowcliffe
1National Institute for Biological Standards & Control (NIBSC), Blanche Lane, South Mimms, Potters Bar, Herts EN6 3QG, UK. egray@nibsc.ac.uk
Heparin and low-molecular-weight heparins (LMWH) are crucial for preventing and treating venous thrombosis. LMWH offers improved pharmacokinetics and administration convenience, proving as effective and safe as unfractionated heparin.
Area of Science:
- Pharmacology and Medicine
Background:
- Heparin is a long-established biological medicine for venous thrombosis.
- Low-molecular-weight heparins (LMWH) represent advancements in anticoagulant therapy.
Purpose of the Study:
- To review the chemistry and mechanisms of action of heparin and LMWH.
- To discuss the measurement of anticoagulant activities.
- To outline the clinical status of these anticoagulants.
Main Methods:
- Review of existing literature on heparin and LMWH.
- Analysis of pharmacokinetic and safety data.
- Evaluation of clinical efficacy in various indications.
Main Results:
- LMWH demonstrates superior pharmacokinetic properties and ease of administration compared to unfractionated heparin.
- LMWH is as effective and safe as unfractionated heparin in numerous clinical applications.
- Heparin and LMWH are vital tools in managing thromboembolic disorders.
Conclusions:
- LMWH has largely replaced unfractionated heparin in many therapeutic areas due to its advantages.
- Understanding the properties of heparin and LMWH is essential for optimal patient care.
- Continued research into anticoagulants remains important for improving treatment outcomes.
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