HIV | Epiical

Probability of AIDS and non-AIDS-related mortality of early-treated children living with HIV-1

2022

Authors: Bréhin,  Tagarro A,  Domínguez-Rodríguez S,  Kuhn L,  Nhampossa T,  Otwombe K,  Janse van Rensburg A,  Klein N,  Lain MN,  Maiga AI,  Giaquinto C,  Rossi P, Rojo P, EPIICAL Consortium

Presented at: AIDS 2022

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Joint evolution of CD4 and viral load trajectories over 2 years in an early-treated pediatric African cohort

2022

Authors: Dominguez Rodriguez S, Ballesteros Á, Kuhn L, Nhampossa T, Otwombe K, Shaun Barnabas S,  Klein N, Lain M.G, Giaquinto C,  Rossi P, Rojo P, Tagarro A, EPIICAL Consortium

Presented at: AIDS 2022

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Healthy dynamics of CD4 T cells may drive HIV resurgence in perinatally-infected infants on antiretroviral therapy

2022

Authors: Sinead E. Morris, Renate Strehlau, Stephanie Shiau, Elaine J. Abrams, Caroline T. Tiemessen, Louise Kuhn, Andrew J. Yates on behalf of the EPIICAL consortium and LEOPARD study teams

Published in: Plos Pathogens

Determinants of B-Cell Compartment Hyperactivation in European Adolescents Living With Perinatally Acquired HIV-1 After Over 10 Years of Suppressive Therapy

2022

Authors: Ruggiero A, Pascucci G.R, Cotugno N, Domínguez-Rodríguez S, Rinaldi S, Tagarro A, Rojo P, Foster C, Bamford A, De Rossi A, Nastouli E, Klein N, Morrocchi E, Fatou B, Smolen K.K, Ozonoff A, Di Pastena M, Luzuriaga K, Steen H, Giaquinto C, Goulder P, Rossi P, Levy O, Pahwa S, Palma P, the EPIICAL Consortium

Published in: Frontiers in Immunology 

The subphenotypes of early-treated children living with HIV-1

2022

Authors: S Domínguez-Rodríguez, A Tagarro, C Foster, P Palma, N Cotugno, AD Rossi, A Dalzini, SG. Pahwa, E Nastouli, K Gärtner, AG Marcelin, P Rossi, C Giaquinto, P Rojo

Presented at: CROI 2022

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2-year outcome of early treated infants in Sub-Saharan Africa

2022

Authors: A Tagarro, S Domínguez-Rodríguez, L Kuhn, T Nhampossa, K Otwombe, AJv Rensburg, N Klein, MG Lain, AI. Maiga, C Brehin, C Giaquinto, P Rossi, P Rojo

Presented at: CROI 2022

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Size of HIV-1 reservoir is associated with telomere shortening and immunosenescence in early-treated European children with perinatally acquired HIV-1

2021

Authors: A Dalzini, G Ballin, S Dominguez-Rodriguez, P Rojo , M.R Petrara, C Foster, N Cotugno, A Ruggiero, E Nastouli, N Klein, S Rinaldi, S Pahwa, P Rossi, C Giaquinto, P Palma , A De Rossi1, and on behalf of EPIICAL Consortium

Published in: Journal of the International AIDS Society

Characterisation of the HIV proviral and inducible reservoir in well- suppressed children on long-term ART

2021

Authors: Gärtner K, Byott M, Heaney J, Pagliuzza A, Spyer M.J Frampton D, Rossi A.D, Palmas P, Giaquinto C, Conejo P.R, Foster C,  Rossi P, Klein N, Chomont N, Nastouli E, for the EPIICAL consortium

Presented at: Keystone symposia on molecular and cellular biology

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Early ART initiation during infancy preserves natural killer cells in young European adolescents living with HIV (CARMA cohort)

2021

Authors: M Doria, S Zicari, N Cotugno, S Domínguez-Rodríguez, A Ruggiero, GR Pascucci, A Tagarro, PR Conejo, E Nastouli, K Gärtner, M Cameron, B Richardson, Ce Foster, SL Williams, S Rinaldi, AD Rossi, C Giaquinto, P Rossi, S Pahwa, P Palma, for the EPIICAL consortium

Published in: Journal of the International Aids Society

 

Abstract

Introduction HIV infection causes pathological changes in the natural killer (NK) cell compartment that can be only partially restored by antiretroviral therapy (ART).

The CARMA study: early infant antiretroviral therapy—Timing impacts on total HIV-1 DNA quantitation 12 years later

2020

Authors: Foster C, Domínguez-Rodríguez S, Tagarro A, et al. For the Early Treated Perinatally HIV Infected Individuals: Improving Children’s Actual Life (EPIICAL) Consortium

Published in: J Pediatr Infect Dis Soc. 2020 2020 Jul 17;piaa071

Background Strategies aimed at antiretroviral therapy (ART)–free remission will target individuals with a limited viral reser- voir.

The size of HIV reservoir is associated with telomere shortening and immunosenescence in early ART-treated HIV-infected children

2020

Authors: De Rossi A, Dalzini A, Ballin G, Dominguez-Rodriuguez S, Rojo P, Foster C, Palma P, Sessa L, Nastouli E, Pahwa S, Rossi P, Giaquinto C, EPIICAL Consortium

Published in: 23rd International AIDS Conference, July 6th-10th, 2020

Background: HIV infection is linked to premature senescence, with increased risk of aging-associated illnesses. Early ART has been associated with a reduced HIV reservoir in HIV-perinatally infected children (PHIV),

Aging B-cells (ABC) and anti-Env humoral responses are associated with T-bet expression in B-cells of perinatally HIV infected children (PHIV) treated within 24 months (m) of life (the CARMA cohort)

2020

Authors: Ruggiero A, Cotugno N, Domínguez-Rodríguez S,  Zicari S, Rinaldi S, Zangari P, Tagarro A, Foster C, De Rossi A, Nastouli E, Luzuriaga K, Giaquinto C, Rossi P, Pawha S, Palma P, on behalf of the EPIICAL consortium.

Published in: 23rd Virtual International AIDS Conference, July 6th-10th, 2020

Background The role of T-bet, an immune factor involved in adaptative and innate response,

A machine learning approach for predicting probability of death or disease progression in an early-treated pediatric African cohort

2020

Authors: Domínguez-Rodríguez S, Tagarro A, Serna Pascual M, Otwombe K, Violari A, Fernández S, Nhampossa T, Lain M,  Vaz P , Behuhuma NO, Danaviah S, Dobbels E, Barnabas S, Cotugno N, Zangari P, Palma P, Oletto A,  Nardone A, Nastouli E, Spyer M, Kuhn L, Rossi P, Giaquinto C, Rojo P on behalf of EPIICAL consortium.

Published in: 23rd international AIDS Conference, July 6th-10th 2020

Background In perinatally HIV infected children,

The HIV-1 antibody response: a footprint of the viral reservoir in children vertically infected with HIV

2020

Authors: Palma P, McManus M, Cotugno N, Rocca S, Rossi P, Luzuriaga K

Published in: Lancet HIV. 2020;7(5):e359-e365

Abstract Several assays have been developed to measure and characterise the replication-competent HIV-1 reservoir, which constitutes the barrier to cure. To date, the application of these assays to studies in children and in limited-resource settings has been minimal,

Differences in inducibility of the latent HIV reservoir in perinatal and adult infection

2020

Authors: Dhummakupt A, Rubens JH, Andeson T, et al.

Published in: JCI Insight. 2020;5(4)

Abstract The HIV latent reservoir in resting memory CD4+ T cells precludes cure. Therapeutics to reactivate and eliminate this reservoir are in clinical trials in adults, but not yet in pediatric populations. We determined, ex vivo,

Differences in inducibility of the latent HIV reservoir in perinatal and adult infection

2020

Authors: Dhummakupt A, Reubens JH, Anderson T, et al.

Published: Poster presented at 27th Conference on Retroviruses and Opportunistic Infections, March 8th –11th, 2020 – Boston.

Abstract The HIV latent reservoir in resting memory CD4+ T cells prevents cure. Novel therapies to reactivate and eliminate the reservoir are in clinical trials in adults, but not yet in pediatric populations.

Time to viral suppression in perinatally HIV-infected infants depends on the viral load and CD4 T-cell percentage at the start of treatment

2020

Authors: Schröter J, Anelone A,  Yates A, de Boer RJ;  on behalf of the EPIICAL Consortium

Published in: J Acquir Immune Defic Syndr. 2020;83(5):522-529

 

Background Interventions aiming for an HIV cure would benefit from rapid elimination of virus after the onset of antiretroviral therapy (ART), by keeping the latent HIV reservoir small.

Mothers’ adherence helps in identifying more infants in need of extended prophylaxis

2020

Authors: Dominguez-Rodriguez S, Rojo P, Lain MG,  Barnabas S, Lopez-Varela E, Otwombe K, Danaviah S, Nastouli E, Serna-Pasqual M, Gianuzzi V, Giaquointo C, Kuhn L, Tagarro A on behalf of the EPIICAL Consortium

Published in: 27th Conference on Retroviruses and Opportunistic Infections, March 8th –11th, 2020 – Boston.

NK Cells are preserved by early ART in HIV-infected children with lower reservoir

2020

Authors: Zicari S, Doria M, Domínguez-Rodríguez S, Cotugno N, Tagarro A, Rojo P, Nastouli E, Gartner K, Klein N, Foster C, Pahwa S, De Rossi A, Giaquinto C, Rossi P,  Palma P, for the EPIICAL consortium

Published in: 27th Conference on Retroviruses and Opportunistic Infections, March 8th –11th, 2020 – Boston.

Poor outcome in early treated HIV perinatally infected infants in Africa

2020

Authors: Tagarro A, Domínguez-Rodríguez S, Violari A, Cotton M, Mhampossa T, Klein N, Ramsagar N, Van Rensburg AJ, Behuhuma O, Vaz P,  Oletto A, Palma P, Rossi P, Rojo P, on behalf of the EPIICAL Consortium

Published in27th Conference on Retroviruses and Opportunistic Infections, March 8th –11th, 2020 – Boston.

Assessment of HIV-1 DNA by single-genome sequencing in children on suppressive ART

2020

Authors: Gärtner K, Gkouleli T, Byott M, Heaney J, Spyer MJ, DeRossi A, Persaud D, Palma P, Giaquinto C, Rojo P, Foster C, Marcelin AG, Rossi P, Nastouli E, for the EPIICAL consortium

Published in27th Conference on Retroviruses and Opportunistic Infections, March 8th –11th, 2020 – Boston.

Cell-associated HIV-1 DNA/RNA in children: performance of real-time and digital PCR

2020

Authors: Gärtner K, Gkouleli T, Heaney J, Grant P, Dominguez-Rodriguez S, Busby E, O’Sullivan D, Spyer MJ, Foster C, Rojo P, Persaud D, DeRossi A, Huggett J, Nastouli E, for the EPIICAL consortium

Published in27th Conference on Retroviruses and Opportunistic Infections, March 8th –11th, 2020 – Boston.

Markers of HIV reservoir size in infected children on long-term viral control

2020

Authors: Rinaldi S, Pallikkuth S, de Armas L, Pahwa R, Dominguez S, Cotugno N, Rojo Conejo P, Nastouli E, Gartner K, Klein N, Foster C, De Rossi A, Carlo Giaquinto C, Rossi P, Palma P, Pahwa S and EPIICAL Consortium

Published in:  27th Conference on Retroviruses and Opportunistic Infections, March 8th –11th, 2020 – Boston.

Viral response in HIV infected infants starting ART at 1 month in Southern Mozambique

2020

Authors: Lain MG, Vaz P, Ismael N,  Cantarutti A, Porcu G, Palma P, Cotugno N, Bila D, Rinaldi S,  Pallikkuth S, Pahwa R, Taibo E, Esmeralda Karajeanes E, Giaquinto C, Pahwa S.

Published in:  27th Conference on Retroviruses and Opportunistic Infections, March 8th –11th, 2020 – Boston.

ushr: Understanding suppression of HIV in R

2020

Authors: Morris SE, Dziobek-Garrett L, Yates AJ and the EPIICAL consortium

Published in: BMC Bioinformatics 2020;21(1):52

Background HIV/AIDS is responsible for the deaths of one million people every year. Although mathematical modeling has provided many insights into the dynamics of HIV infection, there is still a lack of accessible tools for researchers unfamiliar with modeling techniques to apply them to their own clinical data.

Early ART-treated perinatally HIV-infected seronegative children demonstrate distinct long-term persistence of HIV-specific T and B cell memory

2020

Authors: Cotugno N, Morrocchi E, Rinaldi S, et al; EPIICAL Consortium.

Published in: AIDS. 2020 Feb 3.

Objective To investigate long-term persistence of HIV-specific lymphocyte immunity in perinatally HIV-infected children treated within the first year of life.

Design Twenty perinatally HIV-infected children who received ART therapy within the first year of life (early treated) and with stable viral control (>5 years) were grouped according to their serological response to HIV.

Impact of early antiretroviral therapy initiation on HIV-specific CD4 and CD8 T cell function in perinatally infected children

2020

Authors: Rinaldi S, Pallikkuth S, Cameron M, et al.

Published in: J Immunol. 2020 Feb 1;204:540-549

Abstract Early initiation of antiretroviral therapy (ART) in vertically HIV-infected children limits the size of the virus reservoir, but whether the time of treatment initiation (TI) can durably impact host immune responses associated with HIV infection is still unknown.

PD-1+ CD4 T cells are associated with HIV reservoir size and impaired function of T follicular helper cells in children and young adults on long-term viral control

2019

Authors: S. Rinaldi, V. Dinh, S. Pallikkuth, L. De Armas, R. Pahwa, N. Cotugno, E. Nastouli, C. Foster, P. Palma, S. Pahwa

Published in: Poster presented at 9th International Workshop on HIV Persistence during Therapy; December, 2019; Miami, FL

Background: Curative strategies for HIV will need to eliminate the replication competent latent reservoir.

Reduced time to suppression among neonates with HIV initiating antiretroviral therapy within 7 days of age

2019

Authors: Domínguez-Rodríguez S, Tagarro A. Palma P, et al.

Published in: JAIDS 2019;82(5):483-490

Abstract There are limited data on infants with HIV starting antiretroviral therapy (ART) in the neonatal period. We investigated the association between the timing of ART initiation and time-to-suppression among infants who tested HIV-positive and initiated ART within the first 28 days of life.

Time to HIV suppression in perinatally infected infants depends on the viral load and CD4 T-cell percentage at the start of treatment

2019

Authors: Schröter J.

Published in: Poster presented at 4th Workshop on Virus Dynamics, October 21st-23rd, 2019 -Paris, FR

Detection of very low levels of cell-associated HIV-1 RNA in well suppressed adolescents (CARMA study)

2019

Authors: Gärtner K, Gkouleli T, Heaney J, et al; on behalf of the EPIICAL consortium

Published: Poster presented at HIV Cure and Reservoir Symposium, September, 16th-20th, 2019 -Ghent, BE

The CARMA Study: Children on early suppressive ART Total HIV-1 DNA quantitation 12 years post ART initiation

2019

Authors: Foster C, Dominguez S, Tagarro A, Nastouli E, Gkouleli R, Heaney J, PalmaP, Rossi P, Giaquinto C, Rojo P

Published: 10th IAS Conference on HIV Science, July 21rd-24th 2019, Mexico City

Background Future strategies aimed at achieving antiretroviral therapy (ART)-free HIV remission are likely to target individuals with a limited size of viral reservoir.

Comparison of qPCR and dPCR methods to investigate the latent HIV reservoir in a paediatric population with long viral suppression on therapy

2019

Authors: Heaney J, Busby E, Gärtner K, Grant P, Spyer MJ, O’Sullivan DM, Gkouleli T, Marcelin AG, Pillay D, Foster C, Rojo P, Palma P, Muñoz Fernández MA, deRossi A, Huggett JF, Nastouli E

Published: International Workshop on HIV Pediatrics, July 19th-20th, 2019. P_102

Background Despite effective antiretroviral therapy(ART), HIV persists as integrated provirus generating latent viral reservoirs even in the absence of detectable plasma viremia.

Neonatal ART < 7 days VS 7-28 days reduced time to suppression

2019

Authors: Tagarro A, Dominguez Rodriguez S, Puthanakit T, et al.

Published: Oral presentation at 27th Conference on Retroviruses and Opportunistic Infections, March 4th-7th, 2019 – Seattle, WA

Abstract: Early antiretroviral therapy (ART) in children is associated with better clinical and virological outcome. Few data are available about long-term outcome of children starting ART in the neonatal period.

Time to viral suppression in perinatally HIV-infected infants depends on the state of HIV disease progression at start of ART

2019

Authors: Schröter J.

Published: Oral presentation at 26th International HIV Dynamics & Evolution, March 24th-27th, 2019, Cascais, PT

Predictors of faster virological suppression in early treated infants with perinatal HIV from Europe and Thailand

2019

Authors: Chan MK, Goodall R, Judd A, et al.

Published in: Aids. 2019; 33(7):1155-1165

Objective To identify predictors of faster time to virological suppression among infants starting combination antiretroviral therapy (cART) early in infancy.

Design Cohort study of infants from Europe and Thailand included in studies participating in the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC).

HIV specific B-cell memory persists in seronegative early treated children and is dominated by IgM-memory responses

2018

Authors: Cotugno N, Morrocchi E, Pepponi I, et al.

Published in:

Abstract Early initiation of ART in HIV vertically infected infants influences specific immunity by limiting Ag exposure and reducing the viral reservoir size. Currently these patients represent ideal candidates for testing immune therapeutic strategies towards HIV-remission.

Time of ART initiation in perinatally HIV-infected children impacts on HIV-specific T cell functionality

2018

Authors: Rinaldi S, Cotugno N, Pallikkuth S, Pahwa R, Palma P, Pahwa S

Published in:

Abstract Early initiation of antiretroviral therapy (ART) in vertically HIV-infected children provides an opportunity to limit the size of HIV reservoir. However, how the time of ART initiation impacts host HIV-specific immune responses is still poorly understood.

Time to viral rebound after stopping art in children treated from infancy in cher

2018

Authors: Violari A, Chan M, Otwombe KN, Panchia R, Jean-Philippe P, Gibb D, Cotton M, Babiker A

Published: Oral presentation at 25th Conference on Retroviruses and Opportunistic Infections, March 4th – 7th, 2018 – Boston. 

Abstract We investigated factors associated with time to viral rebound in children in CHER who started ART at age <12 weeks and received 40 (ART-40W) or 96 weeks (ART-96W) of primary therapy.

Lasting immune impacts of age at start of ART in vertically HIV-infected adolescents

2018

Authors: Cameron M, Rinaldi S, Richardson B, Cotugno N, Williams S, Pallikkuth S, de Armas LR, Cameron C, Pahwa R, Palma P, Pahwa S

Published: 25th Conference on Retroviruses and Opportunistic Infections, March 4th – 7th, 2018 – Boston. P_868

Abstract The study explores the impact of early ART on host immune response looking at HIV-specific CD4 T cell functionality and host transcriptome analysis.

Factors associated with HIV DNA levels in children starting antiretroviral therapy (ART) early in infancy

2018

Authors: Chan M, Tagarro A, Zangari P, Ferns B, Foster C, De Rossi A, Nastouli E, Ángeles Muñoz-Fernández M, Gibb D, Rossi P, Giaquinto C, Babiker A , Palma P, Rojo Conejo P

Published: 25th Conference on Retroviruses and Opportunistic Infections, March 4th – 7th, 2018 – Boston. P_ 866

Abstract The study focused on the determinants of low viral reservoir in a large cohort of European early treated HIV-1 infected children.

Human Immunodeficiency Virus (HIV) – Antibody Repertoire Estimates Reservoir Size and Time of Antiretroviral Therapy Initiation in Virally Suppressed Perinatally HIV-Infected Children

2018

Authors: Rocca S, Zangari P, Cotugno N, et al.

Published in: J Pediatric Infect Dis Soc.2018; 28. doi:10

Background Assays to estimate human immunodeficiency virus (HIV) reservoir size require large amounts of blood, which represents a drawback especially in pediatric settings. We investigated whether HIV-antibody repertoire could estimate the viral reservoir size. Moreover, we assessed the magnitude of HIV-antibody response as a predictor of time of antiretroviral therapy (ART) initiation.

HIV specific IgM memory B-cells dominate in seronegative early-treated children

2018

Authors: Cotugno N, Morrocchi E, Pepponi I, Rocca S, Cameron M, Rinaldi S, Di Cesare S, Pallikkuth S, Bernardi S, Klein N, Ananworanich J, Rossi P, Pahwa S, Palma P

Published25th Conference on Retroviruses and Opportunistic Infections, March 4th – 7th, 2018 – Boston. P_ 866

Abstract This fascinating study investigates whether HIV specific B cells persist in seronegative HIV infected seronegative patients and what are the associated gene signatures after re-encountering the virus.

Early and highly suppressive ART are main factors associated with low viral reservoir in European perinatally HIV infected children

2018

Authors: Tagarro A, Chan M, Zangari P, et al; on behalf of the EPIICAL Consortium

Published in: J Acquir Immune Defic Syndr. 2018;79(2):269-276

Background Future strategies aiming to achieve HIV-1 remission are likely to target individuals with small reservoir size.

Setting We retrospectively investigated factors associated with HIV-1 DNA levels in European,

Report from the First EPIICAL General Assembly meeting, 9–11 November 2017, Rome, Italy

2018

Authors: Zangari P, Palma P, Cotugno N, et al.

Published in: J Virus Erad.2018;4: 51–54

Abstract: The first EPIICAL General Assembly meeting was held in an atmosphere of growing optimism. Many novel and exciting proposals for HIV research studies were discussed and are described above. The consortium aims to maintain this integrated developmental research on NDMTs,

Impact of time of ART initiation on HIV specific T cell functionality in perinatally infected young adults

2017

Authors: Rinaldi S, Cotugno N, Pallikkuth S, Palma P, Pahwa S; on behalf of the EPIICAL Consortium

Published: 8th Conference on HIV Persistence

Background Early initiation of antiretroviral therapy (ART) in vertically HIV-infected children provides an opportunity to limit the size of reservoir, but whether and how the time of ART treatment initiation can durably impact host immune responses associated with HIV infection is still unknown.

Factors associated with time to virological response in children with perinatal HIV in Europe and Thailand initiating antiretroviral theraphy (ART) very early in infancy

2017

Authors: Palma P, Chan M, Goodall R, Judd A, Gibb D, Babiker A, Rojo P.

Published: 35th Annual Meeting of the European Society for Paediatric Infectious Diseases (ESPID), May 23rd-27th May, 2017, Madrid

Background A major obstacle to curing HIV infection is persistence of virus as integrated proviral DNA in long-lived cells even after many years on ART.

B-cell responses in early treated long term viral suppressed seroneg HIV infected children

2017

Authors: Palma P, Zangari P, Cotugno N, Rocca S, Nastouli E, McCoy LE, Ferns RB, Pahwa S, Rossi P

Published: 24th Conference on Retroviruses and Opportunistic Infections, February 13th – 16th, 2017, Seattle. P_1975.

Background It is still unknown whether the paucity of HIV-specific immune responses in early-treated (treated within 6 months of age; ET) HIV-infected children may represent a limitation or an advantage in the perspective of immune therapeutic studies.

Early antiretroviral therapy in children perinatally infected with HIV: a unique opportunity to implement immunotherapeutic approaches to prolong viral remission

2015

Authors: Klein N, Palma P, Luzuriaga K, et al.

Published in: Lancet Infect Dis. 2015;15(9):1108-1114

Abstract From the use of antiretroviral therapy to prevent mother-to-child transmission to the possibility of HIV cure hinted at by the Mississippi baby experience, paediatric HIV infection has been pivotal to our understanding of HIV pathogenesis and management. Daily medication and indefinite antiretroviral therapy is recommended for children infected with HIV.

The EPIICAL project: an emerging global collaboration to investigate immunotherapeutic strategies in HIV-infected children

2015

Authors: Palma P, Foster C, Rojo P, et al.

Published in: J Virus Erad. 2015;1(3):134-139.

Abstract The EPIICAL (Early-treated Perinatally HIV-infected Individuals: Improving Children’s Actual Life with Novel Immunotherapeutic Strategies) project arises from the firm belief that perinatally infected children treated with suppressive antiretroviral therapy (ART) from early infancy represent the optimal population model in which to study novel immunotherapeutic strategies aimed at achieving ART-free remission.

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