HIV Drug Resistance Mutations and Subtype Profiles among Pregnant Women of Ho Chi Minh City, South Vietnam by Yulia V. Ostankova, Alexandr N. Shchemelev, Huynh Hoang Khanh Thu, Vladimir S. Davydenko, Diana E. Reingardt, Elena N. Serikova, Elena B. Zueva, Areg A. Totolian

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An Android-Based Mobile App (ARVPredictor) for the Detection of HIV Drug-Resistance Mutations and Treatment at the Point of Care: Development Study by Beatrice Ongadi, Raphael Lihana, John Kiiru, Musa Ngayo, George Obiero

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Assessment of minority frequency pretreatment HIV drug-resistant variants in pregnant women and associations with virologic non-suppression at term. by Ceejay L Boyce, Ingrid A Beck, Sheila M Styrchak, Samantha R Hardy, Jackson J Wallner, Ross S Milne, R Leavitt Morrison, David E Shapiro, Esaú C João, Mark H Mirochnick, Lisa M Frenkel

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Assessment of minority frequency pretreatment HIV drug-resistant variants in pregnant women and associations with virologic non-suppression at term by Ceejay L. Boyce, Ingrid A. Beck, Sheila M. Styrchak, Samantha R. Hardy, Jackson J. Wallner, Ross S. Milne, R. Leavitt Morrison, David E. Shapiro, Esaú C. João, Mark H. Mirochnick, Lisa M. Frenkel

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Cost-effectiveness of HIV drug resistance testing to inform switching to second line antiretroviral therapy in low income settings. by Andrew Phillips, Valentina Cambiano, Fumiyo Nakagawa, Travor Mabugu, Alec Miners, Debbie Ford, Deenan Pillay, Andrea De Luca, Jens Lundgren, Paul Revill

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Highly-sensitive allele-specific PCR testing identifies a greater prevalence of transmitted HIV drug resistance in Japan. by Masako Nishizawa, Junko Hattori, Teiichiro Shiino, Tetsuro Matano, Walid Heneine, Jeffrey A Johnson, Wataru Sugiura

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Developing a reporting item checklist for studies of HIV drug resistance prevalence or incidence: a mixed methods study by Pascal Djiadeu, Lawrence Mbuagbaw, Anne Holbrook, Elizabeth Alvarez, Cristian Garcia, Jéssyca Matos Silva

“…Background Adequate surveillance of HIV drug resistance prevalence is challenged by heterogenous and inadequate data reporting. …”
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Development of HIV Drug Resistance in a Cohort of Adults on First-Line Antiretroviral Therapy in Tanzania during the Stavudine Era by Raphael Z. Sangeda, Perpétua Gómes, Soo-Yon Rhee, Fausta Mosha, Ricardo J. Camacho, Eric Van Wijngaerden, Eligius F. Lyamuya, Anne-Mieke Vandamme

“…As more HIV patients start combination antiretroviral therapy (cART), the emergence of HIV drug resistance (HIVDR) is inevitable. This will have consequences for the transmission of HIVDR, the success of ART, and the nature and trend of the epidemic. …”
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Dry Panels Supporting External Quality Assessment Programs for Next Generation Sequencing-Based HIV Drug Resistance Testing by Marc Noguera-Julian, Emma R. Lee, Robert W. Shafer, Rami Kantor, Hezhao Ji

“…External quality assessment (EQA) is a keystone element in the validation and implementation of next generation sequencing (NGS)-based HIV drug resistance testing (DRT). Software validation and evaluation is a critical element in NGS EQA programs. …”
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Clinically relevant thresholds for ultrasensitive HIV drug resistance testing: a multi-country nested case-control study by Inzaule, S, Hamers, R, Noguera-Julian, M, Casadellà, M, Parera, M, Kityo, C, Steegen, K, Naniche, D, Clotet, B, Rinke De Wit, T, Paredes, R, Resistance, P

“…<p><h4>Background</h4> Implementation of ultrasensitive HIV drug resistance tests for routine clinical use is hampered by uncertainty about the clinical relevance of drug-resistant minority variants. …”

Viremia and HIV drug resistance among people receiving dolutegravir versus efavirenz-based first-line antiretroviral therapy by Dorward, J, Sookrajh, Y, Lessells, R, Bulo, E, Bodley, N, Singh, L, Moodley, P, Samsunder, N, Drain, PK, Hayward, G, Butler, CC, Garrett, N

HIV Drug Resistance in Adults Initiating or Reinitiating Antiretroviral Therapy in Uruguay—Results of a Nationally Representative Survey, 2018–2019 by Rosa Flieller, Susana Cabrera, Dora Ruchansky, Amalia Girón-Callejas, María Brasesco, Daniel Pérez, Héctor Chiparelli, Claudia García-Morales, Daniela Tapia-Trejo, Jessica Monreal-Flores, Giovanni Ravasi, Michael R. Jordan, Santiago Ávila-Ríos

“…The first nationally representative cross-sectional HIV drug resistance (HIVDR) survey was conducted in Uruguay in 2018–2019 among adults diagnosed with HIV and initiating or reinitiating antiretroviral therapy (ART). …”
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Transmitted HIV Drug Resistance in Bulgaria Occurs in Clusters of Individuals from Different Transmission Groups and Various Subtypes (2012–2020) by Ivailo Alexiev, Anupama Shankar, Yi Pan, Lyubomira Grigorova, Alexandra Partsuneva, Reneta Dimitrova, Anna Gancheva, Asya Kostadinova, Ivaylo Elenkov, Nina Yancheva, Rusina Grozdeva, Dimitar Strashimirov, Mariana Stoycheva, Ivan Baltadzhiev, Tsetsa Doichinova, Lilia Pekova, Minas Kosmidis, Radoslava Emilova, Maria Nikolova, William M. Switzer

“…Transmitted HIV drug resistance in Bulgaria was first reported in 2015 using data from 1988–2011. …”
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Pretreatment HIV Drug Resistance and the Molecular Transmission Network Among HIV-Positive Individuals in China in 2022: Multicenter Observational Study by Hongli Chen, Jingjing Hao, Jing Hu, Chang Song, Yesheng Zhou, Miaomiao Li, Jin Chen, Xiu Liu, Dong Wang, Xiaoshan Xu, Peixian Xin, Jiaxin Zhang, Lingjie Liao, Yi Feng, Dan Li, Stephen W Pan, Yiming Shao, Yuhua Ruan, Hui Xing

“…ObjectiveWe aimed to characterize pretreatment HIV drug resistance (PDR) among HIV-positive individuals and risk factors in China in 2022. …”
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Factors Influencing HIV Drug Resistance among Pregnant Women in Luanda, Angola: Findings from a Cross-Sectional Study by Cruz S. Sebastião, Joana Morais, Miguel Brito

“…Multivariate analyses were performed to determine the interaction between sociodemographic characteristics and drug resistance. HIV drug resistance was detected in 44.1% of the studied population. …”
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Correction: Cost-Effectiveness of HIV Drug Resistance Testing to Inform Switching to Second Line Antiretroviral Therapy in Low Income Settings

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Advancing HIV Drug Resistance Technologies and Strategies: Insights from South Africa’s Experience and Future Directions for Resource-Limited Settings by Kim Steegen, Gert U. van Zyl, Mathilda Claassen, Aabida Khan, Melendhran Pillay, Subitha Govender, Phillip A. Bester, Johanna M. van Straaten, Vibha Kana, Ewaldé Cutler, Monalisa N. Kalimashe, Ramokone L. Lebelo, Mokopi B. H. Moloi, Lucia Hans

Subjects: “…HIV drug resistance testing…”
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The relative contributions of HIV drug resistance, nonadherence and low-level viremia to viremic episodes on antiretroviral therapy in sub-Saharan Africa by Inzaule, SC, Bertagnolio, S, Kityo, CM, Siwale, M, Akanmu, S, Wellington, M, de Jager, M, Ive, P, Mandaliya, K, Stevens, W, Boender, TS, Ondoa, P, Sigaloff, KCE, Rinke de Wit, TF, Hamers, RL

Early warning indicators of HIV drug resistance in the southern highlands region of Tanzania: Lessons from a cross-sectional surveillance study. by Samoel A Khamadi, Caroline Mavere, Emmanuel Bahemana, Anange Lwilla, Mucho Mizinduko, Seth Bwigane, Adela Peter, Joy Makando, Benjamin Peter, Patricia Agaba, Neha Shah, Boniphase Julu, Kavitha Ganesan, Peter Coakley, Elizabeth H Lee

“…The World Health Organization early warning indicators (EWIs) permit surveillance of factors associated with the emergence of HIV drug resistance (HIVDR). We examined cross- and within-region performance on HIVDR EWIs for selected HIV care and treatment clinics (CTCs) in five regions of southern Tanzania. …”
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Early warning indicators of HIV drug resistance in the southern highlands region of Tanzania: Lessons from a cross-sectional surveillance study by Samoel A. Khamadi, Caroline Mavere, Emmanuel Bahemana, Anange Lwilla, Mucho Mizinduko, Seth Bwigane, Adela Peter, Joy Makando, Benjamin Peter, Patricia Agaba, Neha Shah, Boniphase Julu, Kavitha Ganesan, Peter Coakley, Elizabeth H. Lee

“…The World Health Organization early warning indicators (EWIs) permit surveillance of factors associated with the emergence of HIV drug resistance (HIVDR). We examined cross- and within-region performance on HIVDR EWIs for selected HIV care and treatment clinics (CTCs) in five regions of southern Tanzania. …”
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