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© Research
Publication : Antiviral therapy

The role of adherence in virological suppression in patients receiving anti-HBV analogues

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Antiviral therapy - 03 Nov 2011

Sogni P, Carrieri MP, Fontaine H, Mallet V, Vallet-Pichard A, Trabut JB, Méritet JF, Pol S

Link to Pubmed [PMID] – 22293326

Antivir. Ther. (Lond.) 2012;17(2):395-400

BACKGROUND: Although adherence is of major importance in long-term treatments, few studies have been published regarding the use of anti-HBV analogues in clinical practice. The aim of this study was to evaluate adherence to anti-HBV analogues and associated virological suppression.

METHODS: A cross-sectional study was performed between 1 January 2009 and 15 July 2009 in Cochin Hospital, Paris, France. It included all patients being treated with anti-HBV analogues for at least three months, who were without coinfection (HIV, HCV or HDV) and who had not received organ transplants. At the time of enrolment, HBV viral load, analogue regimen and self-reported adherence were collected prospectively. Patients were classified as non-adherent, or moderately or totally adherent using a score based on analysis of self-reports. Other data were obtained retrospectively.

RESULTS: Among the 190 patients meeting the inclusion criteria, 33% were initially hepatitis B e antigen-positive and 50% had extensive fibrosis or cirrhosis. Pretreatment viral load was 6.0 log IU/ml (median). The median duration of treatment was 52 months. At enrolment, 61%, 32% and 7% of patients were classified as totally adherent, moderately adherent and non-adherent, respectively. Complete virological suppression (HBV DNA<12 IU/ml) was observed in 83% of patients at enrolment. In the multivariate analysis, lack of virological suppression was associated with an increased pretreatment viral load, with no change in analogue regimen and is classified as non-adherent.

CONCLUSIONS: Adherence seems to be an independent factor associated with virological suppression during anti-HBV analogue treatment. Therapeutic education and a systematic evaluation of adherence using self-reports should be promoted to assure long-term anti-HBV analogue efficacy in clinical practice.

https://www.ncbi.nlm.nih.gov/pubmed/22293326