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Incidence and Associated Factors of HIV Drug Resistance in Chinese HIV-Infected Patients Receiving Antiretroviral Treatment

Authors
Journal
PLoS ONE
1932-6203
Publisher
Public Library of Science
Publication Date
Volume
8
Issue
4
Identifiers
DOI: 10.1371/journal.pone.0062408
Keywords
  • Research Article
  • Medicine
  • Epidemiology
  • Infectious Disease Epidemiology
  • Infectious Diseases
  • Sexually Transmitted Diseases
  • Aids
  • Viral Diseases
  • Hiv
  • Hiv Clinical Manifestations
  • Hiv Diagnosis And Management
  • Hiv Epidemiology
  • Obstetrics And Gynecology
  • Genitourinary Infections
  • Urology
Disciplines
  • Biology
  • Education
  • Medicine

Abstract

Background A critical indicator of the future success of highly active antiretroviral therapy (HAART) is the incidence of HIV drug resistance, which has not been studied in China on the national scale. Methods HIV drug resistance baseline survey was conducted in the eight provinces with the largest numbers of patients on HAART in 2009, and a prospective cohort study with 12-month follow-up was completed in 2010. Patients completed an interviewer-administrated questionnaire and provided blood for CD4+ T-lymphocyte count (CD4 count), HIV viral load (VL), and HIV drug resistance genotyping. Factors associated with incidence of HIVDR were identified by Cox regression analysis. Results The overall prevalence of HIV RNA ≥1000 copies/ml and HIVDR at baseline was 12.4% and 5.6%, respectively. Incidence of HIVDR in the one year follow-up was 3.5 per 100 person years. Independently associated factors were started treatment with a didanosine-based regimen, received care at township hospital or village clinic, low baseline CD4 counts, and high baseline VL. Conclusions The incidence of HIVDR in China was higher than that of some developed countries. China urgently needs to provide comprehensive education and training to doctors at village clinics and township hospitals to improve quality community-based care and treatment.

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