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Tran GV, Hayashida T, Dang ALD, Nagai M, Matsumoto S, Tran LK, Le HNM, Van TD, Tanuma J, Pham TN, Oka S. Prevalence of transmitted drug resistance and phylogenetic analysis of HIV-1 among antiretroviral therapy-naïve patients in Northern Vietnam from 2019 to 2022. Glob Health Med 2024; 6:117-123. [PMID: 38690128 PMCID: PMC11043122 DOI: 10.35772/ghm.2023.01112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/31/2024] [Accepted: 02/06/2024] [Indexed: 05/02/2024]
Abstract
Since the rapid expansion of antiretroviral therapy (ART) for HIV, transmitted drug resistance (TDR) has become a major concern in Vietnam. HIV services there are transitioning to be covered by social insurance. Access to pre-exposure prophylaxis (PrEP) is being expanded to tackle the growing HIV epidemic among men who have sex with men. Therefore, a cross-sectional study was conducted at 10 ART facilities in Northern Vietnam from 9th December 2019 to 9th June 2022 to investigate the prevalence and pattern of TDR among ART-naïve people living with HIV (PLWH). TDR mutations were defined according to the World Health Organization 2009 List of Mutations for Surveillance of Transmitted Drug Resistant HIV Strains. Mutation transmission dynamics and TDR clusters were investigated via phylogenetic analysis. We enrolled 391 ART-naïve PLWH. The overall TDR prevalence was 4.6%, with an annual prevalence of 6.0% in 2019/2020, 4.8% in 2021, and 1.3% in 2022. TDR mutations to non-nucleoside reverse transcriptase inhibitors (2.8%), including K103N were the most common. Less commonly, the protease inhibitor-associated mutation M46I and mutations to nucleoside reverse transcriptase inhibitors, including M184V/ I, were observed. CRF01_AE was the most common subtype (77.0%). CRF07_BC (14.3%), which had been rare in Vietnam, was also observed. No genetic association was observed between HIV-1 sequences with TDR mutations. In conclusion, the overall prevalence of TDR was stably low in this region. The phylogenetic tree suggests that TDR clusters have not formed. Continuous monitoring of HIV TDR and strains is crucial to maintaining ART and PrEP efficacy.
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Affiliation(s)
- Giang Van Tran
- Department of Infectious Diseases, Hanoi Medical University, Hanoi, Vietnam
- Department of Viral and Parasitic Diseases, National Hospital for Tropical Diseases, Hanoi, Vietnam
| | - Tsunefusa Hayashida
- AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan
| | - An Luong-Dieu Dang
- Department of Biology, Ecology and Earth Sciences, University of Calabria, Italy
| | - Moeko Nagai
- AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan
| | - Shoko Matsumoto
- AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan
| | - Linh Khanh Tran
- AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan
| | - Hoa Nguyen-Minh Le
- Department of Viral and Parasitic Diseases, National Hospital for Tropical Diseases, Hanoi, Vietnam
| | - Trang Dinh Van
- Department of Viral and Parasitic Diseases, National Hospital for Tropical Diseases, Hanoi, Vietnam
| | - Junko Tanuma
- AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan
| | - Thach Ngoc Pham
- Department of Viral and Parasitic Diseases, National Hospital for Tropical Diseases, Hanoi, Vietnam
| | - Shinichi Oka
- AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan
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Hood RB, Norris AH, Shoben A, Miller WC, Harris RE, Pomeroy LW. Forecasting Hepatitis C Virus Status for Children in the United States: A Modeling Study. Clin Infect Dis 2024:ciae157. [PMID: 38630853 DOI: 10.1093/cid/ciae157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND Virtually all cases of hepatitis C virus (HCV) infection in children in the United States occur through vertical transmission, but it is unknown how many children are infected. Cases of maternal HCV infection have increased in the United States, which may increase the number of children vertically infected with HCV. Infection has long-term consequences for a child's health, but treatment options are now available for children ≥3 years old. Reducing HCV infections in adults could decrease HCV infections in children. METHODS Using a stochastic compartmental model, we forecasted incidence of HCV infections in children in the United States from 2022 through 2027. The model considered vertical transmission to children <13 years old and horizontal transmission among individuals 13-49 years old. We obtained model parameters and initial conditions from the literature and the Centers for Disease Control and Prevention's 2021 Viral Hepatitis Surveillance Report. RESULTS Model simulations assuming direct-acting antiviral treatment for children forecasted that the number of acutely infected children would decrease slightly and the number of chronically infected children would decrease even more. Alone, treatment and early screening in individuals 13-49 years old reduced the number of forecasted cases in children and, together, these policy interventions were even more effective. CONCLUSIONS Based on our simulations, acute and chronic cases of HCV infection are remaining constant or slightly decreasing in the United States. Improving early screening and increasing access to treatment in adults may be an effective strategy for reducing the number of HCV infected children in the United States.
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Affiliation(s)
- Robert B Hood
- Division of Epidemiology, College of Public Health, Ohio State University, Columbus, Ohio, USA
- Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Alison H Norris
- Division of Epidemiology, College of Public Health, Ohio State University, Columbus, Ohio, USA
| | - Abigail Shoben
- Division of Biostatistics, College of Public Health, Ohio State University, Columbus, Ohio, USA
| | - William C Miller
- Division of Epidemiology, College of Public Health, Ohio State University, Columbus, Ohio, USA
| | - Randall E Harris
- Division of Epidemiology, College of Public Health, Ohio State University, Columbus, Ohio, USA
| | - Laura W Pomeroy
- Division of Environmental Health Sciences, College of Public Health, Ohio State University, Columbus, Ohio, USA
- Translational Data Analytics Institute, Ohio State University, Columbus, Ohio, USA
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Ferrer P, Ramos V, Puente MI, Afani A. Preliminary report of transmitted drug resistance to integrase strand chain transfer inhibitors in treatment-naïve HIV infected patients. Diagn Microbiol Infect Dis 2023; 107:116083. [PMID: 37778156 DOI: 10.1016/j.diagmicrobio.2023.116083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/28/2023] [Accepted: 09/04/2023] [Indexed: 10/03/2023]
Abstract
Transmitted Resistance exists in a newly diagnosed person who has not yet started their treatment. Our objective was to obtain a profile of HIV-1 resistance to integrase inhibitors in newly diagnosed treatment-naïve patients. Fifty people newly diagnosed with HIV-1 infection who had never received antiretroviral treatment were recruited. The complete integrase gene was amplified by nested RTPCR and the sequences obtained were analyzed with the ReCall and HIVdb v9.0. The overall prevalence transmitted due to mutations with some impact on integrase strand transfer inhibitors (INSTI) activity during the study period was 8%. The major E138K mutation was detected in only 1 patient and the secondary G163R mutation was detected in the other 3. The transmitted resistance for the first generation INSTI was 8% and for the second generation it was 0%. In Chile the resistance transmitted to INSTI is low and it is in according values detect in other part of the world.
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Affiliation(s)
- Pablo Ferrer
- Laboratorio de Medicina Molecular, Hospital Clínico Universidad de Chile, Santiago, Chile.
| | - Verónica Ramos
- Laboratorio de Medicina Molecular, Hospital Clínico Universidad de Chile, Santiago, Chile
| | - Maria Ignacia Puente
- Laboratorio de Medicina Molecular, Hospital Clínico Universidad de Chile, Santiago, Chile
| | - Alejandro Afani
- Laboratorio de Medicina Molecular, Hospital Clínico Universidad de Chile, Santiago, Chile
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Bártolo I, Moranguinho I, Gonçalves P, Diniz AR, Borrego P, Martin F, Figueiredo I, Gomes P, Gonçalves F, Alves AJS, Alves N, Caixas U, Pinto IV, Barahona I, Pinho e Melo TMVD, Taveira N. High Instantaneous Inhibitory Potential of Bictegravir and the New Spiro-β-Lactam BSS-730A for HIV-2 Isolates from RAL-Naïve and RAL-Failing Patients. Int J Mol Sci 2022; 23:ijms232214300. [PMID: 36430777 PMCID: PMC9695772 DOI: 10.3390/ijms232214300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/16/2022] [Accepted: 11/16/2022] [Indexed: 11/19/2022] Open
Abstract
Integrase inhibitors (INIs) are an important class of drugs for treating HIV-2 infection, given the limited number of drugs active against this virus. While the clinical efficacy of raltegravir and dolutegravir is well established, the clinical efficacy of bictegravir for treating HIV-2 infected patients has not been determined. Little information is available regarding the activity of bictegravir against HIV-2 isolates from patients failing raltegravir-based therapy. In this study, we examined the phenotypic and matched genotypic susceptibility of HIV-2 primary isolates from raltegravir-naïve and raltegravir-failing patients to raltegravir, dolutegravir, and bictegravir, and to the new spiro-β-lactam BSS-730A. The instantaneous inhibitory potential (IIP) was calculated to help predict the clinical activity of bictegravir and BSS-730A. Isolates from raltegravir-naïve patients were highly sensitive to all INIs and BSS-730A. Combined integrase mutations E92A and Q148K conferred high-level resistance to raltegravir, and E92Q and T97A conferred resistance to raltegravir and dolutegravir. The antiviral activity of bictegravir and BSS-730A was not affected by these mutations. BSS-730A displayed strong antiviral synergism with raltegravir. Mean IIP values at Cmax were similar for all INIs and were not significantly affected by resistance mutations. IIP values were significantly higher for BSS-730A than for INIs. The high IIP values of bictegravir and BSS-730A for raltegravir-naïve and raltegravir-resistant HIV-2 isolates highlight their potential value for treating HIV-2 infection. Overall, the results are consistent with the high clinical efficacy of raltegravir and dolutegravir for HIV-2 infection and suggest a promising clinical profile for bictegravir and BSS-730A.
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Affiliation(s)
- Inês Bártolo
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-019 Lisboa, Portugal
| | - Inês Moranguinho
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-019 Lisboa, Portugal
| | - Paloma Gonçalves
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-019 Lisboa, Portugal
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Superior de Ciências da Saúde Egas Moniz, 2829-511 Caparica, Portugal
| | - Ana Rita Diniz
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-019 Lisboa, Portugal
| | - Pedro Borrego
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-019 Lisboa, Portugal
- Centro de Administração e Políticas Públicas (CAPP), Instituto Superior de Ciências Sociais e Políticas (ISCSP), Universidade de Lisboa, 1649-019 Lisboa, Portugal
| | - Francisco Martin
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-019 Lisboa, Portugal
| | - Inês Figueiredo
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-019 Lisboa, Portugal
| | - Perpétua Gomes
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Superior de Ciências da Saúde Egas Moniz, 2829-511 Caparica, Portugal
- Laboratório de Biologia Molecular, LMCBM, SPC, Centro Hospitalar Lisboa Ocidental–HEM, 1649-019 Lisboa, Portugal
| | - Fátima Gonçalves
- Laboratório de Biologia Molecular, LMCBM, SPC, Centro Hospitalar Lisboa Ocidental–HEM, 1649-019 Lisboa, Portugal
| | - Américo J. S. Alves
- Department of Chemistry, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), University of Coimbra, 3004-535 Coimbra, Portugal
| | - Nuno Alves
- Department of Chemistry, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), University of Coimbra, 3004-535 Coimbra, Portugal
| | - Umbelina Caixas
- Serviço de Medicina 1.4, Hospital de S. José, CHLC, EPE, and Faculdade de Ciências Médicas, FCM-Nova, Centro de Estudos de Doenças Crónicas–CEDOC, 1649-019 Lisboa, Portugal
| | - Inês V. Pinto
- Medicina Interna, Hospital de Cascais Dr. José de Almeida, 2755-009 Alcabideche, Portugal
| | - Isabel Barahona
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Superior de Ciências da Saúde Egas Moniz, 2829-511 Caparica, Portugal
| | - Teresa M. V. D. Pinho e Melo
- Department of Chemistry, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), University of Coimbra, 3004-535 Coimbra, Portugal
| | - Nuno Taveira
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-019 Lisboa, Portugal
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Superior de Ciências da Saúde Egas Moniz, 2829-511 Caparica, Portugal
- Correspondence:
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