A retrospective study to determine the impact of medical- and lifestyle-based contraindications to a prescribed HAART regimen on clinical outcomes and adherence

Impact of HCV treatment and depressive symptoms on adherence to HAART among HIV-HCV-coinfected patients: results from the ANRS-CO13-HEPAVIH cohort

BACKGROUND

The additional burden of HCV infection in HIV-HCV-coinfected individuals may have some consequences on adherence to HAART. Few studies have explored the pattern of correlates of non-adherence to HAART while simultaneously considering the impact of HCV treatment and depressive symptoms on adherence to HAART. We used longitudinal data to assess factors associated with non-adherence to HAART.

METHODS

The French national prospective cohort ANRS-CO13-HEPAVIH is a multicentrer cohort, which recruited 1,175 HIV-HCV-coinfected patients in 17 hospital outpatient units delivering HIV and HCV care in France between October 2006 and June 2008. For this analysis, we selected participants on HAART with self-reported data for adherence to HAART (n=727 patients, 1,190 visits). Data were collected using self-administered questionnaires and medical records. A mixed logistic regression model based on an exchangeable correlation matrix was used to identify factors associated with non-adherence to HAART.

RESULTS

Patients reported non-adherence to HAART in 808 (68%) of the 1,190 visits. Four variables remained associated with non-adherence to HAART after multivariate analysis: hazardous alcohol consumption, cocaine use and depressive symptoms, regardless of whether treatment for depression was being received. Finally, patients being treated for HCV infection were less likely to be non-adherent to HAART.

CONCLUSIONS

Besides the problem of polydrug use, two other dimensions deserve special attention when considering adherence to HAART in HIV-HCV-coinfected patients. Access to HCV treatment should be encouraged as well adequate treatment for depression in this population to improve adherence and response to HAART.

Positive impact of hepatitis C virus (HCV) treatment on antiretroviral treatment adherence in human immunodeficiency virus-HCV coinfected patients: one more argument for expanded access to HCV treatment for injecting drug users

AIMS

Treatment for the hepatitis C virus (HCV) may be delayed significantly in human immunodeficiency virus (HIV)/HCV coinfected patients on antiretroviral treatment (ART) for fear that its burden could compromise ART adherence. However, the effect such treatment has on ART adherence in observational settings remains largely unknown. Longitudinal data were used to investigate the relationship between initiating HCV treatment and adherence to ART in HIV/HCV coinfected patients.

DESIGN

The French national prospective cohort of patients coinfected with HIV and HCV (ANRS-CO-13-HEPAVIH) is a multi-centre cohort.

SETTING

Seventeen out-patient hospital services delivering HIV and HCV care in France.

PARTICIPANTS

HIV/HCV coinfected patients on ART (n = 593 patients, 976 visits).

MEASUREMENTS

Self-administered questionnaires and medical records. A mixed logistic regression model based on generalized estimates equations (GEE) to identify factors associated with non-adherence to ART.

FINDINGS

Among the 593 patients, 36% were classified as non-adherent to ART at the enrolment visit and 12% started HCV treatment during follow-up. ART adherence was not associated statistically with HCV treatment initiation. The proportion of patients maintaining adherence or becoming adherent to ART for those starting HCV treatment was higher than in the rest of the sample (P = 0.07). After multiple adjustment for known correlates, such as poor housing conditions, binge drinking, recent drug use and depressive symptoms, patients who initiated HCV treatment were less likely to be non-adherent to ART [odds ratio (95% confidence interval) = 0.41 (0.24-0.71)].

CONCLUSIONS

Engaging human immunodeficiency virus/hepatitis C virus coinfected individuals in hepatitis C virus treatment is associated with high adherence to antiretroviral treatment. Physicians should prioritize hepatitis C virus treatment as part of a multi-disciplinary approach.