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HIV Drug Resistance Surveillance in Honduras after a Decade of Widespread Antiretroviral Therapy.
Avila-Ríos, Santiago; García-Morales, Claudia; Tapia-Trejo, Daniela; Meza, Rita I; Nuñez, Sandra M; Parham, Leda; Flores, Norma A; Valladares, Diana; Pineda, Luisa M; Flores, Dixiana; Motiño, Roxana; Umanzor, Víctor; Carbajal, Candy; Murillo, Wendy; Lorenzana, Ivette; Palou, Elsa Y; Reyes-Terán, Gustavo.
Afiliação
  • Avila-Ríos S; Centre for Research in Infectious Diseases, National Institute of Respiratory Diseases, Mexico City, Mexico.
  • García-Morales C; Centre for Research in Infectious Diseases, National Institute of Respiratory Diseases, Mexico City, Mexico.
  • Tapia-Trejo D; Centre for Research in Infectious Diseases, National Institute of Respiratory Diseases, Mexico City, Mexico.
  • Meza RI; HIV National Programme and National Laboratory, Honduran Ministry of Health, Tegucigalpa, Honduras.
  • Nuñez SM; HIV National Programme and National Laboratory, Honduran Ministry of Health, Tegucigalpa, Honduras.
  • Parham L; HIV National Programme and National Laboratory, Honduran Ministry of Health, Tegucigalpa, Honduras.
  • Flores NA; Instituto Nacional Cardio Pulmonar, Tegucigalpa, Honduras.
  • Valladares D; Hospital Mario Catarino Rivas, San Pedro Sula, Honduras.
  • Pineda LM; Hospital Mario Catarino Rivas, San Pedro Sula, Honduras.
  • Flores D; Unidad de Salud Metropolitana, La Ceiba, Honduras.
  • Motiño R; Unidad de Salud Metropolitana, La Ceiba, Honduras.
  • Umanzor V; Hospital del Sur, Choluteca, Honduras.
  • Carbajal C; Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras.
  • Murillo W; Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras.
  • Lorenzana I; Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras.
  • Palou EY; Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras.
  • Reyes-Terán G; Hospital Escuela Universitario, Tegucigalpa, Honduras.
PLoS One ; 10(11): e0142604, 2015.
Article em En | MEDLINE | ID: mdl-26558396
INTRODUCTION: We assessed HIV drug resistance (DR) in individuals failing ART (acquired DR, ADR) and in ART-naïve individuals (pre-ART DR, PDR) in Honduras, after 10 years of widespread availability of ART. METHODS: 365 HIV-infected, ART-naïve, and 381 ART-experienced Honduran individuals were enrolled in 5 reference centres in Tegucigalpa, San Pedro Sula, La Ceiba, and Choluteca between April 2013 and April 2015. Plasma HIV protease-RT sequences were obtained. HIVDR was assessed using the WHO HIVDR mutation list and the Stanford algorithm. Recently infected (RI) individuals were identified using a multi-assay algorithm. RESULTS: PDR to any ARV drug was 11.5% (95% CI 8.4-15.2%). NNRTI PDR prevalence (8.2%) was higher than NRTI (2.2%) and PI (1.9%, p<0.0001). No significant trends in time were observed when comparing 2013 and 2014, when using a moving average approach along the study period or when comparing individuals with >500 vs. <350 CD4+ T cells/µL. PDR in recently infected individuals was 13.6%, showing no significant difference with PDR in individuals with longstanding infection (10.7%). The most prevalent PDR mutations were M46IL (1.4%), T215 revertants (0.5%), and K103NS (5.5%). The overall ADR prevalence in individuals with <48 months on ART was 87.8% and for the ≥48 months on ART group 81.3%. ADR to three drug families increased in individuals with longer time on ART (p = 0.0343). M184V and K103N were the most frequent ADR mutations. PDR mutation frequency correlated with ADR mutation frequency for PI and NNRTI (p<0.01), but not for NRTI. Clusters of viruses were observed suggesting transmission of HIVDR both from ART-experienced to ART-naïve individuals and between ART-naïve individuals. CONCLUSIONS: The global PDR prevalence in Honduras remains at the intermediate level, after 10 years of widespread availability of ART. Evidence of ADR influencing the presence of PDR was observed by phylogenetic analyses and ADR/PDR mutation frequency correlations.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Infecções por HIV / Farmacorresistência Viral / Antirretrovirais Tipo de estudo: Prevalence_studies / Prognostic_studies / Risk_factors_studies / Screening_studies Limite: Adult / Female / Humans / Male País/Região como assunto: America central / Honduras Idioma: En Revista: PLoS One Assunto da revista: CIENCIA / MEDICINA Ano de publicação: 2015 Tipo de documento: Article País de afiliação: México País de publicação: Estados Unidos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Infecções por HIV / Farmacorresistência Viral / Antirretrovirais Tipo de estudo: Prevalence_studies / Prognostic_studies / Risk_factors_studies / Screening_studies Limite: Adult / Female / Humans / Male País/Região como assunto: America central / Honduras Idioma: En Revista: PLoS One Assunto da revista: CIENCIA / MEDICINA Ano de publicação: 2015 Tipo de documento: Article País de afiliação: México País de publicação: Estados Unidos