Apixaban Interacts with Haemoglobin: Effects on Its Plasma Levels.

Author: ArcovitoAlessandro, AutieroIda, BellelliAndrea, BerrutiFederico, CavalloLuigi, De CristofaroRaimondo, LancellottiStefano, OlivaRomina, RicciardelliTiziana, SaccoMonica

Paper Details 
Original Abstract of the Article :
The direct oral anticoagulant apixaban (APX), a strong factor Xa inhibitor, binds also to plasma proteins, especially albumin, and minimally to &#945;<sub>1</sub>-acid glycoprotein. Although APX can cross the red cell membrane, due to its chemical structure, and could bind to haemoglobin (Hb), no in...See full text at original site
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引用元:
https://doi.org/10.1055/s-0038-1669920

データ提供:米国国立医学図書館(NLM)

Apixaban and Haemoglobin: An Unexpected Interaction

The world of [pharmacokinetics and pharmacodynamics] is a fascinating one, filled with intricate interactions. This study explores the unexpected interaction between the anticoagulant drug apixaban (APX) and haemoglobin (Hb). The researchers employed a multi-pronged approach, utilizing [clinical data analysis, biochemical assays, and molecular docking simulations] to investigate the potential impact of this interaction on APX plasma levels. Their findings suggest that APX binds to Hb, which could affect its free plasma concentration and consequently its pharmacokinetic and pharmacodynamic properties.

A Potential 'Buffer' for Apixaban

This study found that Hb levels in patients were inversely associated with APX peak plasma levels. This suggests that Hb could act as a 'buffer' for APX, reducing its free concentration in the blood. This is particularly important for anticoagulant drugs, as the free concentration is responsible for their therapeutic effects. The researchers also found that APX can bind to Hb, further supporting this hypothesis.

Implications for Anticoagulation Therapy

This research raises an interesting question about the impact of Hb levels on anticoagulation therapy with APX. It is important to consider this interaction when evaluating the efficacy and safety of APX in patients with varying Hb levels. Furthermore, the study highlights the need for further research to fully understand the implications of this interaction for anticoagulation therapy.

Dr.Camel's Conclusion

This study unveils a previously unknown interaction between apixaban and haemoglobin, suggesting that Hb could potentially act as a 'buffer' for the drug, affecting its plasma levels. This fascinating discovery could have significant implications for the treatment of thromboembolic disorders, highlighting the need for further research in this area.

Date :
  1. Date Completed 2019-01-14
  2. Date Revised 2019-01-14
Further Info :

Pubmed ID

30235484

DOI: Digital Object Identifier

10.1055/s-0038-1669920

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