Decreased INR after acenocoumarol, ombitasvir/paritaprevir/ritonavir and dasabuvir co-administration.

Abstract:

WHAT IS KNOWN AND OBJECTIVE:Limited data are available on co-administration of acenocoumarol with direct-acting antiviral agents for chronic hepatitis C virus infection. CASE SUMMARY:We report a case of a patient who required a significant increase in acenocoumarol weekly dose probably due to an interaction with ombitasvir/paritaprevir/ritonavir and/or dasabuvir. A causality assessment of the drug-drug interaction leading to a reduced INR was conducted according to the Naranjo algorithm. A score of 6 suggested that the adverse drug reaction was probable. WHAT IS NEW AND CONCLUSION:Because of possible INR abnormalities during the concomitant use of acenocoumarol, ombitasvir/paritaprevir/ritonavir and dasabuvir, clinicians should closely monitor INR values.

journal_name

J Clin Pharm Ther

authors

de Lorenzo-Pinto A,Giménez-Manzorro Á,Rodríguez-González CG,Ahumada-Jiménez A,Herranz-Alonso A,Marzal-Alfaro MB,Sanjurjo-Sáez M

doi

10.1111/jcpt.12403

subject

Has Abstract

pub_date

2016-08-01 00:00:00

pages

444-446

issue

4

eissn

0269-4727

issn

1365-2710

journal_volume

41

pub_type

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