Full Text Journal Articles by
Author Nittaya Phanuphak

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Brief Report: Syphilis Incidence and Effect on Viral Load, CD4, and CD4/CD8 Ratio in a Thai Cohort of Predominantly Men Who Have Sex With Men Living With HIV.

Camilla Muccini, Trevor A Crowell, Suteeraporn Pinyakorn, Eugène Kroon, Carlo Sacdalan, Jintanat Ananworanich, Sandhya Vasan, Nittaya Phanuphak, Donn J Colby, ,

<h4>Background</h4>Syphilis has been increasing in the past years, especially among men who have sex with men (MSM). The aim of the study was to assess syphilis prevalence and incidence and changes in CD4 count and viremia in the RV254 cohort of persons living with HIV who initiated antiretroviral therapy during ... Read more >>

J Acquir Immune Defic Syndr (Journal of acquired immune deficiency syndromes (1999))
[2021, 86(2):219-223]

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Dendritic cells focus CTL responses toward highly conserved and topologically important HIV-1 epitopes.

Tatiana M Garcia-Bates, Mariana L Palma, Renee R Anderko, Denise C Hsu, Jintanat Ananworanich, Bette T Korber, Gaurav D Gaiha, Nittaya Phanuphak, Rasmi Thomas, Sodsai Tovanabutra, Bruce D Walker, John W Mellors, Paolo A Piazza, Eugene Kroon, Sharon A Riddler, Nelson L Michael, Charles R Rinaldo, Robbie B Mailliard, ,

<h4>Background</h4>During early HIV-1 infection, immunodominant T cell responses to highly variable epitopes lead to the establishment of immune escape virus variants. Here we assessed a type 1-polarized monocyte-derived dendritic cell (MDC1)-based approach to selectively elicit cytotoxic T lymphocyte (CTL) responses against highly conserved and topologically important HIV-1 epitopes in HIV-1-infected ... Read more >>

EBioMedicine (EBioMedicine)
[2021, 63:103175]

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Potential biomarker of human papillomavirus 16 L1 methylation for prediction of anal intraepithelial neoplasia in men who have sex with men (MSM)

Arkom Chaiwongkot, Nittaya Phanuphak, Tippawan Pankam, Parvapan Bhattarakosol,

Quantitative measurement of human papillomavirus (HPV) 16 early promoter and L1 genes methylation were analyzed in anal cells collected from men who have sex with men (MSM) to determine the potential biomarker for screening of HPV related anal cancer. The methylation patterns of the HPV16 genes including early promoter (CpG ... Read more >>

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Longitudinal Analysis of Peripheral and Colonic CD161+ CD4+ T Cell Dysfunction in Acute HIV-1 Infection and Effects of Early Treatment Initiation.

Kerri G Lal, Yuwadee Phuang-Ngern, Suchada Suhkumvittaya, Edwin Leeansyah, Aljawharah Alrubayyi, Joana Dias, Adam Waickman, Dohoon Kim, Eugène Kroon, Suteeraporn Pinyakorn, Leigh Anne Eller, Milton Maciel, Rungsun Rerknimitr, Nitiya Chomchey, Nittaya Phanuphak, Mark S S de Souza, Sorachai Nitayaphan, Julie A Ake, Sandhya Vasan, Merlin L Robb, Jintanat Ananworanich, Johan K Sandberg, Alexandra Schuetz, Michael A Eller, Dominic Paquin-Proulx,

CD161 expression on CD4<sup>+</sup> T cells is associated with a Th17 functional phenotype, as well as with an innate capacity to respond to interleukin (IL)-12 and IL-18 without T cell receptor (TCR) stimulation. Chronic HIV-1 infection is associated with loss of the CD161<sup>+</sup> CD4 T cell population, and non-human primate ... Read more >>

Viruses (Viruses)
[2020, 12(12):]

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Minimal detection of cerebrospinal fluid escape after initiation of antiretroviral therapy in acute HIV-1 infection.

Ryan Handoko, Phillip Chan, Linda Jagodzinski, Suteeraporn Pinyakorn, Sasiwimol Ubolyam, Nittaya Phanuphak, Carlo Sacdalan, Eugene Kroon, Netsiri Dumrongpisutikul, Robert Paul, Victor Valcour, Jintanat Ananworanich, Sandhya Vasan, Serena Spudich, ,

<h4>Objective</h4>Despite suppression of HIV-1 replication in the periphery by antiretroviral therapy (ART), up to 10% of treated individuals have quantifiable HIV-1 in the CSF, termed CSF escape. CSF escape may be asymptomatic but has also been linked to progressive neurological disease, and may indicate persistence of HIV in the central ... Read more >>

AIDS (AIDS (London, England))
[2020, :]

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Go Where the Virus Is: An HIV Micro-epidemic Control Approach to Stop HIV Transmission.

Michael M Cassell, Rose Wilcher, Reshmie A Ramautarsing, Nittaya Phanuphak, Timothy D Mastro,

Glob Health Sci Pract (Global health, science and practice)
[2020, 8(4):614-625]

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Incidence, Persistence, and Factors Associated With HPV Infection Among Male Adolescents With and Without Perinatally Acquired HIV Infection.

Sivaporn Gatechompol, Nipat Teeratakulpisarn, Orasri Wittawatmongkol, Sirinya Teeraananchai, Stephen J Kerr, Amphan Chalermchockcharoenkit, Manopchai Thamkhantho, Thida Singtoroj, Nittaya Phanuphak, Annette H Sohn, Kulkanya Chokephaibulkit, ,

<h4>Background</h4>Infection with high-risk human papillomavirus (HR-HPV) has been shown to be more prevalent and persistent in female adolescents with HIV. However, data among male adolescents with perinatally acquired HIV (PHIV) are limited.<h4>Setting</h4>We investigated the incidence and persistence of HR-HPV in anogenital compartments and associated factors among PHIV in comparison to ... Read more >>

J Acquir Immune Defic Syndr (Journal of acquired immune deficiency syndromes (1999))
[2020, 85(5):553-560]

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Incidence and Persistence of High-risk Anogenital Human Papillomavirus Infection Among Female Youth With and Without Perinatally Acquired Human Immunodefiency Virus Infection: A 3-year Observational Cohort Study.

Nittaya Phanuphak, Sirinya Teeraananchai, Rawiwan Hansudewechakul, Sivaporn Gatechompol, Kulkanya Chokephaibulkit, Hanh Le Dung Dang, Dan Ngoc Hanh Tran, Jullapong Achalapong, Nipat Teeratakulpisarn, Amphan Chalermchockcharoenkit, Manopchai Thamkhantho, Tippawan Pankam, Thida Singtoroj, Wichai Termrungruanglert, Surasith Chaithongwongwatthana, Stephen J Kerr, Annette H Sohn,

<h4>Background</h4>Female youth with perinatally acquired human immunodeficiency virus (PHIV) may be at higher risk than uninfected youth for persistent anogenital human papillomavirus (HPV) infection, due to prolonged immunodeficiency.<h4>Methods</h4>A 3-year cohort study was conducted between 2013 and 2017 among Thai and Vietnamese PHIV and HIV-uninfected females 12-24 years, matched by age ... Read more >>

Clin Infect Dis (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America)
[2020, 71(8):e270-e280]

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Incidence, clearance, persistence and factors related with high-risk anal HPV persistence in South-East Asian MSM and transgender women.

Evy Yunihastuti, Nipat Teeratakulpisarn, Wifanto Saditya Jeo, Hanny Nilasari, Lisnawati Rachmadi, I Ketut Agus Somia, Made Dewi Dian Sukmawati, Komang Agus Trisna Amijaya, Ilias A Yee, Nany Hairunisa, Piranun Hongchookiat, Deondara Trachunthong, Tippawan Pankam, Siriporn Nonenoy, Reshmie Ramautarsing, Iskandar Azwa, Tuti P Merati, Praphan Phanuphak, Nittaya Phanuphak, Joel M Palefsky,

<h4>Objectives</h4>Persistent anal high-risk human papillomavirus (HR-HPV) infection is a major risk factor for anal cancer among MSM and transgender women (TGW). We aimed to estimate incidence, clearance, and persistence of anal HR-HPV in HIV-positive and HIV-negative MSM and TGW, and to assess factors for HR-HPV persistence.<h4>Design</h4>Prospective cohort study.<h4>Methods</h4>MSM and TGW ... Read more >>

AIDS (AIDS (London, England))
[2020, 34(13):1933-1941]

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Increased burden of concordant and sequential anogenital human papillomavirus infections among Asian young adult females with perinatally acquired HIV compared to HIV-negative peers.

Annette H Sohn, Amphan Chalermchockcharoenkit, Sirinya Teeraananchai, Rawiwan Hansudewechakul, Sivaporn Gatechompol, Kulkanya Chokephaibulkit, Hanh Le Dung Dang, Dan Ngoc Hanh Tran, Jullapong Achalapong, Nipat Teeratakulpisarn, Manopchai Thamkhantho, Nittaya Phanuphak, Jintanat Ananworanich, Peter Reiss, Stephen J Kerr,

<h4>Background</h4>Youth with perinatally acquired HIV (YPHIV) are at higher risk of anogenital human papillomavirus (HPV) infection.<h4>Methods</h4>We enrolled a cohort of YPHIV and HIV-negative youth in Thailand and Vietnam, matched by age and lifetime sex partners, and followed them over 144 weeks (to 2017). Participants had annual pelvic examinations with samples ... Read more >>

Sex Transm Dis (Sexually transmitted diseases)
[2020, :]

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Corrigendum to: Impact of Acute HIV Infection and Early Antiretroviral Therapy on the Human Gut Microbiome.

Ornella Sortino, Nittaya Phanuphak, Alexandra Schuetz, Alexandra M Ortiz, Nitiya Chomchey, Yasmine Belkaid, Jacquice Davis, Harry A Mystakelis, Mariam Quiñones, Claire Deleage, Brian Ingram, Rungsun Rerknimitr, Suteeraporn Pinyakorn, Adam Rupert, Merlin L Robb, Jintanat Ananworanich, Jason Brenchley, Irini Sereti,

[This corrects the article DOI: 10.1093/ofid/ofz367.]. ... Read more >>

Open Forum Infect Dis (Open forum infectious diseases)
[2020, 7(9):ofaa381]

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Youth-friendly services and a mobile phone application to promote adherence to pre-exposure prophylaxis among adolescent men who have sex with men and transgender women at-risk for HIV in Thailand: a randomized control trial.

Wipaporn Natalie Songtaweesin, Surinda Kawichai, Nittaya Phanuphak, Tim R Cressey, Prissana Wongharn, Chutima Saisaengjan, Tanat Chinbunchorn, Surang Janyam, Danai Linjongrat, Thanyawee Puthanakit, ,

<h4>Introduction</h4>Strategies are needed to curb the increasing HIV incidence in young men who have sex with men (YMSM) and transgender women (YTGW) worldwide. We assessed the impact of youth-friendly services (YFS) and a mobile phone application (app) on adherence to pre-exposure prophylaxis (PrEP) in YMSM and YTGW in Thailand.<h4>Methods</h4>A randomized ... Read more >>

J Int AIDS Soc (Journal of the International AIDS Society)
[2020, 23 Suppl 5:e25564]

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Implementing a Status-Neutral Approach to HIV in the Asia-Pacific.

Nittaya Phanuphak, Reshmie Ramautarsing, Tanat Chinbunchorn, Rena Janamnuaysook, Supabhorn Pengnonyang, Krittaporn Termvanich, Pongthorn Chanlearn, Danai Linjongrat, Surang Janyam, Praphan Phanuphak,

<h4>Purpose of review</h4>Globally, "undetectable equals untransmittable (U=U)" and "pre-exposure prophylaxis (PrEP)" have become crucial elements in HIV treatment and prevention programs. We reviewed the implementation of U=U and PrEP among countries in the Asia-Pacific region.<h4>Recent findings</h4>U=U and PrEP uptakes were limited and slow in the Asia-Pacific. Inadequate knowledge among health ... Read more >>

Curr HIV/AIDS Rep (Current HIV/AIDS reports)
[2020, 17(5):422-430]

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Central nervous system safety during brief analytic treatment interruption of antiretroviral therapy within four HIV remission trials: an observational study in acutely treated people living with HIV.

Joanna Hellmuth, Camilla Muccini, Donn J Colby, Eugène Kroon, Mark de Souza, Trevor A Crowell, Phillip Chan, Carlo Sacdalan, Jintana Intasan, Khunthalee Benjapornpong, Somporn Tipsuk, Suwanna Puttamaswin, Nitiya Chomchey, Victor Valcour, Michal Sarnecki, Frank Tomaka, Shelly J Krebs, Bonnie M Slike, Linda L Jagodzinski, Netsiri Dumrongpisutikul, Napapon Sailasuta, Vishal Samboju, Nelson L Michael, Merlin L Robb, Sandhya Vasan, Jintanat Ananworanich, Praphan Phanuphak, Nittaya Phanuphak, Robert Paul, Serena Spudich,

<h4>Background</h4>The central nervous system (CNS) is a likely reservoir of HIV, vulnerable to viral rebound, inflammation, and clinical changes upon stopping antiretroviral therapy (ART). It is critical to evaluate the CNS safety of studies using analytic treatment interruption (ATI) to assess HIV remission.<h4>Methods</h4>Thirty participants who started ART during acute HIV ... Read more >>

Clin Infect Dis (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America)
[2020, :]

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Brief Report: Group Sex and Methamphetamine Use Fuel an Explosive Epidemic of Hepatitis C Among HIV-Infected Men Who Have Sex With Men in Bangkok, Thailand.

Tanyaporn Wansom, Suteeraporn Pinyakorn, Christy J Kolsteeg, Eugene Kroon, Carlo P Sacdalan, Nitiya Chomchey, Jintanat Ananworanich, Sandhya Vasan, Nittaya Phanuphak, Donn J Colby,

BACKGROUND:Increased rates of hepatitis C virus (HCV) infection among HIV-infected men who have sex with men (MSM) and who deny injecting drugs have been reported in resource-rich settings. SETTING:We measured HCV prevalence and incidence in a predominantly MSM cohort with acute HIV infection in Bangkok, Thailand. METHODS:In 2009-2018, participants with ... Read more >>

J Acquir Immune Defic Syndr (Journal of acquired immune deficiency syndromes (1999))
[2020, 84(4):331-335]

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An inflammatory composite score predicts mycobacterial IRIS in people with HIV and severe lymphopenia: A prospective international cohort study.

Caian L Vinhaes, Virginia Sheikh, Deivide Oliveira de-Souza, Jing Wang, Adam Rupert, Gregg Roby, María B Arriaga, Kiyoshi F Fukutani, Fred Sawe, Doug Shaffer, Jintanat Ananworanich, Nittaya Phanuphak, Bruno B Andrade, Irini Sereti,

<h4>Background</h4>Immune reconstitution inflammatory syndrome (IRIS) is a common cause of morbidity among people with HIV (PWH) who initiate ART with severe lymphopenia. Easily accessible tools that reliably predict emergence and elucidate pathogenesis of IRIS are needed to facilitate improved clinical management.<h4>Methods</h4>Plasma levels of biomarkers were measured before ART initiation in ... Read more >>

J Infect Dis (The Journal of infectious diseases)
[2020, :]

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HIV programmes in countries within the Asia-Pacific region - Authors' reply.

Ravipa Vannakit, Vladanka Andreeva, Stephen Mills, Michael M Cassell, Melissa A Jones, Eamonn Murphy, Naoko Ishikawa, Mark A Boyd, Nittaya Phanuphak,

Lancet HIV (The lancet. HIV)
[2020, 7(8):e530-e531]

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Large transmission cluster of acute hepatitis C identified among HIV-positive men who have sex with men in Bangkok, Thailand.

Win M Han, Donn J Colby, Apichaya Khlaiphuengsin, Tanakorn Apornpong, Stephen J Kerr, Sasiwimol Ubolyam, Eugène Kroon, Nittaya Phanuphak, Sandhya Vasan, Gail V Matthews, Anchalee Avihingsanon, Kiat Ruxrungtham, Praphan Phanuphak, Pisit Tangkijvanich,

A rapidly emerging and highly concentrated hepatitis C virus (HCV) outbreak has recently been observed among both acute and chronic HIV-positive men who have sex with men (MSM) in Bangkok, Thailand. NS5B regions of the HCV genome were amplified using nested PCR and sequenced. Phylogenetic inference was constructed by Maximum ... Read more >>

Liver Int (Liver international : official journal of the International Association for the Study of the Liver)
[2020, 40(9):2104-2109]

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Dendritic cells focus CTL responses toward highly conserved and topologically important HIV epitopes

Tatiana Garcia-Bates, Mariana Palma, Denise Hsu, Jintanat Ananworanich, Bette Korber, Gaurav Gaiha, Nittaya Phanuphak, Rasmi Thomas, Sodsai Tovanabutra, Bruce Walker, John Mellors, Paolo Piazza, Eugene Kroon, Sharon Riddler, Nelson Michael, Charles Rinaldo, Robbie Mailliard, ,

During early HIV Infection, immunodominant T cell responses to highly variable epitopes lead to the selection and expansion of immune escape variants. As a potential therapeutic strategy, we assessed a specialized type 1-polarized monocyte-derived DC dendritic cell (MDC1)-based approach to selectively elicit functional CD8 + cytotoxic T lymphocyte (CTL) responses ... Read more >>

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Know your epidemic, know your response: understanding and responding to the heterogeneity of the COVID-19 epidemics across Southeast Asia.

Annette H Sohn, Nittaya Phanuphak, Stefan Baral, Adeeba Kamarulzaman,

J Int AIDS Soc (Journal of the International AIDS Society)
[2020, 23(7):e25557]

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Prevalence of High-risk Nonavalent Vaccine-type Human Papillomavirus Infection Among Unvaccinated, Sexually Active Asian Female Adolescents With and Without Perinatally Acquired HIV Infection.

Sirintip Sricharoenchai, Stephen J Kerr, Sivaporn Gatechompol, Rawiwan Hansudewechakul, Hanh Le Dung Dang, Dan Ngoc Hanh Tran, Nipat Teeratakulpisarn, Amphan Chalermchockcharoenkit, Jullapong Achalapong, Sirinya Teeraananchai, Thida Singtoroj, Nittaya Phanuphak, Annette H Sohn, Kulkanya Chokephaibulkit, ,

BACKGROUND:We studied the prevalence of 7, high-risk human papillomavirus (HPV) types in the nonavalent vaccine (HRVT-7: HPV 16, 18, 31, 33, 45, 52, 58) among vaccine-naïve, sexually active Asian female adolescents with and without perinatally acquired HIV infection (PHIV). METHODS:PHIV female adolescents 12-24 years of age and HIV-uninfected controls matched ... Read more >>

Pediatr Infect Dis J (The Pediatric infectious disease journal)
[2020, 39(7):615-619]

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A randomized trial of vorinostat with treatment interruption after initiating antiretroviral therapy during acute HIV-1 infection.

Eugène D M B Kroon, Jintanat Ananworanich, Amélie Pagliuzza, Ajantha Rhodes, Nittaya Phanuphak, Lydie Trautmann, Julie L Mitchell, Michelle Chintanaphol, Jintana Intasan, Suteeraporn Pinyakorn, Khuntalee Benjapornpong, J Judy Chang, Donn J Colby, Nitiya Chomchey, James L K Fletcher, Keith Eubanks, Hua Yang, John Kapson, Ashanti Dantanarayana, Surekha Tennakoon, Robert J Gorelick, Frank Maldarelli, Merlin L Robb, Jerome H Kim, Serena Spudich, Nicolas Chomont, Praphan Phanuphak, Sharon R Lewin, Mark S de Souza, ,

<h4>Objective and design</h4>A randomized, open-label pilot study in individuals treated with antiretroviral therapy (ART) since acute HIV infection (AHI) with a regimen including a histone deacetylase inhibitor to induce HIV from latency and control HIV replication during subsequent treatment interruption (TI).<h4>Methods</h4>Fifteen participants who initiated ART at AHI were randomized to ... Read more >>

J Virus Erad (Journal of virus eradication)
[2020, 6(3):100004]

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Give the community the tools and they will help finish the job: key population-led health services for ending AIDS in Thailand.

Ravipa Vannakit, Surang Janyam, Danai Linjongrat, Pongthorn Chanlearn, Satayu Sittikarn, Supabhorn Pengnonyang, Rena Janamnuaysook, Krittaporn Termvanich, Reshmie Ramautarsing, Nittaya Phanuphak, Praphan Phanuphak,

J Int AIDS Soc (Journal of the International AIDS Society)
[2020, 23(6):e25535]

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Evaluation of a pre-exposure prophylaxis programme for men who have sex with men and transgender women in Thailand: learning through the HIV prevention cascade lens.

Reshmie A Ramautarsing, Ratchadaporn Meksena, Thanthip Sungsing, Tanat Chinbunchorn, Theeranat Sangprasert, Orawan Fungfoosri, Dusita Meekrua, Saman Sumalu, Thapana Pasansai, Witwasin Bunainso, Tashada Wongsri, Nuttakrit Mainoy, Donn Colby, Matthew Avery, Stephen Mills, Ravipa Vannakit, Praphan Phanuphak, Nittaya Phanuphak,

<h4>Introduction</h4>Men who have sex with men (MSM) and transgender women (TGW) are two key populations (KPs) in Thailand at high risk for HIV. Uptake and scale-up of pre-exposure prophylaxis (PrEP) among them has been slow. We used data from Princess PrEP, Thailand's largest KP-led PrEP programme, to operationalize PrEP service ... Read more >>

J Int AIDS Soc (Journal of the International AIDS Society)
[2020, 23 Suppl 3:e25540]

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Neutralizing antibody VRC01 failed to select for HIV-1 mutations upon viral rebound.

Evan M Cale, Hongjun Bai, Meera Bose, Michael A Messina, Donn J Colby, Eric Sanders-Buell, Bethany Dearlove, Yifan Li, Emily Engeman, Daniel Silas, Anne Marie O'Sullivan, Brendan Mann, Suteeraporn Pinyakorn, Jintana Intasan, Khunthalee Benjapornpong, Carlo Sacdalan, Eugène Kroon, Nittaya Phanuphak, Robert Gramzinski, Sandhya Vasan, Merlin L Robb, Nelson L Michael, Rebecca M Lynch, Robert T Bailer, Amélie Pagliuzza, Nicolas Chomont, Amarendra Pegu, Nicole A Doria-Rose, Lydie Trautmann, Trevor A Crowell, John R Mascola, Jintanat Ananworanich, Sodsai Tovanabutra, Morgane Rolland, ,

Infusion of the broadly neutralizing antibody VRC01 has been evaluated in individuals chronically infected with HIV-1. Here, we studied how VRC01 infusions affected viral rebound after cessation of antiretroviral therapy (ART) in 18 acutely treated and durably suppressed individuals. Viral rebound occurred in all individuals, yet VRC01 infusions modestly delayed ... Read more >>

J Clin Invest (The Journal of clinical investigation)
[2020, 130(6):3299-3304]

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