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Seaton KE, Huang Y, Karuna S, Heptinstall JR, Brackett C, Chiong K, Zhang L, Yates NL, Sampson M, Rudnicki E, Juraska M, deCamp AC, Edlefsen PT, Mullins JI, Williamson C, Rossenkhan R, Giorgi EE, Kenny A, Angier H, Randhawa A, Weiner JA, Rojas M, Sarzotti-Kelsoe M, Zhang L, Sawant S, Ackerman ME, McDermott AB, Mascola JR, Hural J, McElrath MJ, Andrew P, Hidalgo JA, Clark J, Laher F, Orrell C, Frank I, Gonzales P, Edupuganti S, Mgodi N, Corey L, Morris L, Montefiori D, Cohen MS, Gilbert PB, Tomaras GD. Pharmacokinetic serum concentrations of VRC01 correlate with prevention of HIV-1 acquisition. EBioMedicine 2023; 93:104590. [PMID: 37300931 PMCID: PMC10363420 DOI: 10.1016/j.ebiom.2023.104590] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 04/06/2023] [Accepted: 04/12/2023] [Indexed: 06/12/2023] Open
Abstract
BACKGROUND The phase 2b proof-of-concept Antibody Mediated Prevention (AMP) trials showed that VRC01, an anti-HIV-1 broadly neutralising antibody (bnAb), prevented acquisition of HIV-1 sensitive to VRC01. To inform future study design and dosing regimen selection of candidate bnAbs, we investigated the association of VRC01 serum concentration with HIV-1 acquisition using AMP trial data. METHODS The case-control sample included 107 VRC01 recipients who acquired HIV-1 and 82 VRC01 recipients who remained without HIV-1 during the study. We measured VRC01 serum concentrations with a qualified pharmacokinetic (PK) Binding Antibody Multiplex Assay. We employed nonlinear mixed effects PK modelling to estimate daily-grid VRC01 concentrations. Cox regression models were used to assess the association of VRC01 concentration at exposure and baseline body weight, with the hazard of HIV-1 acquisition and prevention efficacy as a function of VRC01 concentration. We also compared fixed dosing vs. body weight-based dosing via simulations. FINDINGS Estimated VRC01 concentrations in VRC01 recipients without HIV-1 were higher than those in VRC01 recipients who acquired HIV-1. Body weight was inversely associated with HIV-1 acquisition among both placebo and VRC01 recipients but did not modify the prevention efficacy of VRC01. VRC01 concentration was inversely correlated with HIV-1 acquisition, and positively correlated with prevention efficacy of VRC01. Simulation studies suggest that fixed dosing may be comparable to weight-based dosing in overall predicted prevention efficacy. INTERPRETATION These findings suggest that bnAb serum concentration may be a useful marker for dosing regimen selection, and operationally efficient fixed dosing regimens could be considered for future trials of HIV-1 bnAbs. FUNDING Was provided by the National Institutes of Health, National Institute of Allergy and Infectious Diseases (NIAID) (UM1 AI068614, to the HIV Vaccine Trials Network [HVTN]; UM1 AI068635, to the HVTN Statistical Data and Management Center [SDMC], Fred Hutchinson Cancer Center [FHCC]; 2R37 054165 to the FHCC; UM1 AI068618, to HVTN Laboratory Center, FHCC; UM1 AI068619, to the HPTN Leadership and Operations Center; UM1 AI068613, to the HIV Prevention Trials Network [HPTN] Laboratory Center; UM1 AI068617, to the HPTN SDMC; and P30 AI027757, to the Center for AIDS Research, Duke University (AI P30 AI064518) and University of Washington (P30 AI027757) Centers for AIDS Research; R37AI054165 from NIAID to the FHCC; and OPP1032144 CA-VIMC Bill & Melinda Gates Foundation.
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Affiliation(s)
- Kelly E Seaton
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA.
| | - Yunda Huang
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA; Department of Global Health, University of Washington, Seattle, WA, 98195, USA.
| | - Shelly Karuna
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - Jack R Heptinstall
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA
| | - Caroline Brackett
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA
| | - Kelvin Chiong
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA
| | - Lily Zhang
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - Nicole L Yates
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA
| | - Mark Sampson
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA
| | - Erika Rudnicki
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - Michal Juraska
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - Allan C deCamp
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - Paul T Edlefsen
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - James I Mullins
- Department of Global Health, University of Washington, Seattle, WA, 98195, USA; Departments of Microbiology and Medicine, University of Washington, Seattle, WA, 98195, USA
| | - Carolyn Williamson
- Division of Medical Virology, Institute of Infectious Disease & Molecular Medicine, University of Cape Town and National Health Laboratory Service, South Africa
| | - Raabya Rossenkhan
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - Elena E Giorgi
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - Avi Kenny
- Department of Biostatistics, University of Washington, Seattle, WA, 98195, USA
| | - Heather Angier
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - April Randhawa
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - Joshua A Weiner
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA
| | - Michelle Rojas
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA
| | - Marcella Sarzotti-Kelsoe
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA
| | - Lu Zhang
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA
| | - Sheetal Sawant
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA
| | | | | | | | - John Hural
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | - M Julianna McElrath
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
| | | | | | - Jesse Clark
- Department of Medicine, Division of Infectious Disease and Department of Family Medicine in the David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Fatima Laher
- Perinatal HIV Research Unit (PHRU), Wits Health Consortium, Soweto, Johannesburg, South Africa
| | - Catherine Orrell
- Desmond Tutu Health Foundation, University of Cape Town (Institute of Infectious Disease and Molecular Medicine, and Department of Medicine), Observatory, 7925, Cape Town, South Africa
| | - Ian Frank
- Penn Center for AIDS Research, Infectious Disease Division, University of Pennsylvania, 3400 Civic Center Boulevard Building 421, Philadelphia, PA, 19104, USA
| | - Pedro Gonzales
- Asociacion Civil Impacta Salud y Educación, San Miguel Clinical Research Center, Lima, Peru
| | - Srilatha Edupuganti
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, GA, USA
| | - Nyaradzo Mgodi
- University of Zimbabwe-University of California San Francisco (UZ-UCSF) Collaborative Research Programme, Harare, Zimbabwe, South Africa
| | - Lawrence Corey
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA; Departments of Medicine and Laboratory Medicine, University of Washington, Seattle, WA, 98195, USA; Division of Medical Virology, University of Cape Town, Anzio Road, Observatory, 7925, Cape Town, South Africa
| | - Lynn Morris
- National Institute for Communicable Diseases, National Health Laboratory Service, Johannesburg, 2192, South Africa; Antibody Immunity Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 2000, South Africa; Centre for the AIDS Programme of Research in South Africa, University of KwaZulu-Natal, Durban, 4041, South Africa
| | - David Montefiori
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA
| | - Myron S Cohen
- Institute of Global Health and Infectious Diseases, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Peter B Gilbert
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA; Departments of Microbiology and Medicine, University of Washington, Seattle, WA, 98195, USA
| | - Georgia D Tomaras
- Duke Center for Human Systems Immunology, Departments of Surgery, Immunology, Molecular Genetics and Microbiology, Durham, NC, 27710, USA.
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Lee MJ, Collins S, Babalis D, Johnson N, Falaschetti E, Prevost AT, Ashraf A, Jacob M, Cole T, Hurley L, Pace M, Ogbe A, Khan M, Zacharopoulou P, Brown H, Sutherland E, Box H, Fox J, Deeks S, Horowitz J, Nussenzweig MC, Caskey M, Frater J, Fidler S. The RIO trial: rationale, design, and the role of community involvement in a randomised placebo-controlled trial of antiretroviral therapy plus dual long-acting HIV-specific broadly neutralising antibodies (bNAbs) in participants diagnosed with recent HIV infection-study protocol for a two-stage randomised phase II trial. Trials 2022; 23:263. [PMID: 35382844 PMCID: PMC8981886 DOI: 10.1186/s13063-022-06151-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 03/04/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Antiretroviral therapy (ART) has led to dramatic improvements in survival for people living with HIV, but is unable to cure infection, or induce viral control off therapy. Designing intervention trials with novel agents with the potential to confer a period of HIV remission without ART remains a key scientific and community goal. We detail the rationale, design, and outcomes of a randomised, placebo-controlled trial of two HIV-specific long-acting broadly neutralising antibodies (bNAbs): 3BNC117-LS and 10-1074-LS, which target CD4 binding site and V3 loop respectively, on post-treatment viral control. METHODS RIO is a randomised, placebo-controlled, double-blinded prospective phase II study. Eligible individuals will have started ART within 3 months of primary HIV infection and have viral sequences that appear to be sensitive to both bNAbs. It will randomise 72 eligible participants 1:1 to the following arms via a two-stage design. In Stage 1, arm A participants are given dual long-acting (LS-variants) bNAbs infusions, followed by intensively monitored Analytical Treatment Interruption (ATI) (n = 36); in arm B, participants receive placebo infusions followed by ATI. The primary endpoint will be time to viral rebound within 36 weeks after ATI. Upon viral rebound, the participant and researcher are unblinded. Participants in arm A recommence ART and complete the study. Participants in arm B are invited to restart ART and enroll into Stage 2 where they will receive open-label LS bNAbs, followed by a second ATI 24 weeks after. Secondary and exploratory endpoints include adverse events, time to undetectable viraemia after restarting ART, immunological markers, HIV proviral DNA, serum bNAb concentrations in blood, bNAb resistance at viral rebound, and quality of life measures. DISCUSSION The two-stage design was determined in collaboration with community involvement. This design allows all participants the option to receive bNAbs. It also tests the hypothesis that bNAbs may drive sustained HIV control beyond the duration of detectable bNAb concentrations. Community representatives were involved at all stages. This included the two-stage design, discussion on the criteria to restart ART, frequency of monitoring visits off ART, and reducing the risk of onward transmission to HIV-negative partners. It also included responding to the challenges of COVID-19. TRIAL REGISTRATION The protocol is registered on Clinical. TRIALS gov and EudraCT and has approval from UK Ethics and MHRA.
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Affiliation(s)
- Ming Jie Lee
- Department of Infectious Disease, Imperial College London, London, UK.
| | | | - Daphne Babalis
- Imperial Clinical Trials Unit, School of Public health, Imperial College London, London, UK
| | - Nicholas Johnson
- Imperial Clinical Trials Unit, School of Public health, Imperial College London, London, UK
| | - Emanuela Falaschetti
- Imperial Clinical Trials Unit, School of Public health, Imperial College London, London, UK
| | - A Toby Prevost
- King's Clinical Trials Unit, King's College London, London, UK
| | - Ambreen Ashraf
- Imperial Clinical Trials Unit, School of Public health, Imperial College London, London, UK
| | - Milaana Jacob
- Imperial Clinical Trials Unit, School of Public health, Imperial College London, London, UK
| | - Tom Cole
- Imperial Clinical Trials Unit, School of Public health, Imperial College London, London, UK
| | - Lisa Hurley
- NIHR Imperial Clinical Research Facility, Imperial College London, London, UK
| | - Matthew Pace
- Peter Medawar Building for Pathogen Research, University of Oxford, Oxford, UK
| | - Ane Ogbe
- Peter Medawar Building for Pathogen Research, University of Oxford, Oxford, UK
| | - Maryam Khan
- Department of Infectious Disease, Imperial College London, London, UK
| | | | - Helen Brown
- Peter Medawar Building for Pathogen Research, University of Oxford, Oxford, UK
| | - Euan Sutherland
- Imperial College Clinical Trials Centre, Imperial College Healthcare NHS Trust, London, UK
| | - Hanna Box
- Department of Infectious Disease, Imperial College London, London, UK
| | - Julie Fox
- Harrison Wing, Guy's and St Thomas Hospital NHS Foundation Trust, London, UK
| | - Steven Deeks
- Department of Medicine, University of California, San Francisco, CA, 94110, USA
| | - Jill Horowitz
- Laboratory of Molecular Immunology, The Rockefeller University, New York, USA
| | | | - Marina Caskey
- Laboratory of Molecular Immunology, The Rockefeller University, New York, USA
| | - John Frater
- Peter Medawar Building for Pathogen Research, University of Oxford, Oxford, UK
| | - Sarah Fidler
- Department of Infectious Disease, Imperial College London, London, UK
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3
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McMahon JH, Zerbato JM, Lau JSY, Lange JL, Roche M, Tumpach C, Dantanarayana A, Rhodes A, Chang J, Rasmussen TA, Mackenzie CA, Alt K, Hagenauer M, Roney J, O'Bryan J, Carey A, McIntyre R, Beech P, O'Keefe GJ, Wichmann CW, Scott FE, Guo N, Lee ST, Liu Z, Caskey M, Nussenzweig MC, Donnelly PS, Egan G, Hagemeyer CE, Scott AM, Lewin SR. A clinical trial of non-invasive imaging with an anti-HIV antibody labelled with copper-64 in people living with HIV and uninfected controls. EBioMedicine 2021; 65:103252. [PMID: 33640794 PMCID: PMC7921458 DOI: 10.1016/j.ebiom.2021.103252] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 01/21/2021] [Accepted: 02/04/2021] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND A research priority in finding a cure for HIV is to establish methods to accurately locate and quantify where and how HIV persists in people living with HIV (PLWH) receiving suppressive antiretroviral therapy (ART). Infusing copper-64 (64Cu) radiolabelled broadly neutralising antibodies targeting HIV envelope (Env) with CT scan and positron emission tomography (PET) identified HIV Env in tissues in SIV infected non-human primates . We aimed to determine if a similar approach was effective in people living with HIV (PLWH). METHODS Unmodified 3BNC117 was compared with 3BNC117 bound to the chelator MeCOSar and 64Cu (64Cu-3BNC117) in vitro to assess binding and neutralization. In a clinical trial 64Cu-3BNC117 was infused into HIV uninfected (Group 1), HIV infected and viremic (viral load, VL >1000 c/mL; Group 2) and HIV infected aviremic (VL <20 c/mL; Group 3) participants using two dosing strategies: high protein (3mg/kg unlabeled 3BNC117 combined with <5mg 64Cu-3BNC117) and trace (<5mg 64Cu-3BNC117 only). All participants were screened for 3BNC117 sensitivity from virus obtained from viral outgrowth. Magnetic resonance imaging (MRI)/PET and pharmacokinetic assessments (ELISA for serum 3BNC117 concentrations and gamma counting for 64Cu) were performed 1, 24- and 48-hours post dosing. The trial (clincialtrials.gov NCT03063788) primary endpoint was comparison of PET standard uptake values (SUVs) in regions of interest (e.g lymph node groups and gastrointestinal tract). FINDINGS Comparison of unmodified and modified 3BNC117 in vitro demonstrated no difference in HIV binding or neutralisation. 17 individuals were enrolled of which 12 were dosed including Group 1 (n=4, 2 high protein, 2 trace dose), Group 2 (n=6, 2 high protein, 4 trace) and Group 3 (n=2, trace only). HIV+ participants had a mean CD4 of 574 cells/microL and mean age 43 years. There were no drug related adverse effects and no differences in tissue uptake in regions of interest (e.g lymph node gut, pharynx) between the 3 groups. In the high protein dosing group, serum concentrations of 3BNC117 and gamma counts were highly correlated demonstrating that 64Cu-3BNC117 remained intact in vivo. INTERPRETATION In PLWH on or off ART, the intervention of infusing 64Cu-3BNC117 and MRI/PET imaging over 48 hours, was unable to detect HIV-1 env expression in vivo. Future studies should investigate alternative radiolabels such as zirconium which have a longer half-life in vivo. FUNDING Funded by the Alfred Foundation, The Australian Centre for HIV and Hepatitis Virology Research with additional support from the Division of AIDS, National Institute of Allergy and Infectious Disease, US National Institutes of Health (USAI126611). JHM and SRL are supported by the Australian National Health and Medical Research Council.
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Affiliation(s)
- James H McMahon
- Department of Infectious Diseases, Alfred Hospital and Monash University, Melbourne, Australia; Department of Infectious Diseases, Monash Health, Melbourne, Australia
| | - Jennifer M Zerbato
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
| | - Jillian S Y Lau
- Department of Infectious Diseases, Alfred Hospital and Monash University, Melbourne, Australia
| | - Jaclyn L Lange
- Australian Centre for Blood Diseases, Monash University, Melbourne, Australia
| | - Michael Roche
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
| | - Carolin Tumpach
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
| | - Ashanti Dantanarayana
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
| | - Ajantha Rhodes
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
| | - Judy Chang
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
| | - Thomas A Rasmussen
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
| | - Charlene A Mackenzie
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
| | - Karen Alt
- Australian Centre for Blood Diseases, Monash University, Melbourne, Australia
| | - Michelle Hagenauer
- Department of Infectious Diseases, Alfred Hospital and Monash University, Melbourne, Australia
| | - Janine Roney
- Department of Infectious Diseases, Alfred Hospital and Monash University, Melbourne, Australia
| | - Jessica O'Bryan
- Department of Infectious Diseases, Alfred Hospital and Monash University, Melbourne, Australia; Department of Infectious Diseases, Monash Health, Melbourne, Australia
| | - Alexandra Carey
- Monash Biomedical Imaging, Monash University, Melbourne, Australia
| | - Richard McIntyre
- Monash Biomedical Imaging, Monash University, Melbourne, Australia
| | - Paul Beech
- Monash Biomedical Imaging, Monash University, Melbourne, Australia
| | - Graeme J O'Keefe
- Department of Molecular Imaging and Therapy, Austin Health, and University of Melbourne, Melbourne, Australia; Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, School of Cancer Medicine, La Trobe University, Melbourne, Australia
| | - Christian W Wichmann
- Department of Molecular Imaging and Therapy, Austin Health, and University of Melbourne, Melbourne, Australia; Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, School of Cancer Medicine, La Trobe University, Melbourne, Australia
| | - Fiona E Scott
- Department of Molecular Imaging and Therapy, Austin Health, and University of Melbourne, Melbourne, Australia; Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, School of Cancer Medicine, La Trobe University, Melbourne, Australia
| | - Nancy Guo
- Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, School of Cancer Medicine, La Trobe University, Melbourne, Australia
| | - Sze-Ting Lee
- Department of Molecular Imaging and Therapy, Austin Health, and University of Melbourne, Melbourne, Australia; Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, School of Cancer Medicine, La Trobe University, Melbourne, Australia
| | - Zhanqi Liu
- Department of Molecular Imaging and Therapy, Austin Health, and University of Melbourne, Melbourne, Australia; Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, School of Cancer Medicine, La Trobe University, Melbourne, Australia
| | - Marina Caskey
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY, United States
| | - Michel C Nussenzweig
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY, United States; Howard Hughes Medical Institute, The Rockefeller University, New York, NY, United States
| | - Paul S Donnelly
- School of Chemistry, Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Melbourne, Australia
| | - Gary Egan
- Monash Biomedical Imaging, Monash University, Melbourne, Australia
| | | | - Andrew M Scott
- Department of Molecular Imaging and Therapy, Austin Health, and University of Melbourne, Melbourne, Australia; Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, School of Cancer Medicine, La Trobe University, Melbourne, Australia
| | - Sharon R Lewin
- Department of Infectious Diseases, Alfred Hospital and Monash University, Melbourne, Australia; The Peter Doherty Institute for Infection and Immunity, University of Melbourne and Royal Melbourne Hospital, Melbourne, Australia
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