TY - JOUR
T1 - Therapeutic efficacy of combined active and passive immunization in ART-suppressed, SHIV-infected rhesus macaques
AU - Walker-Sperling, Victoria E.K.
AU - Mercado, Noe B.
AU - Chandrashekar, Abishek
AU - Borducchi, Erica N.
AU - Liu, Jinyan
AU - Nkolola, Joseph P.
AU - Lewis, Mark
AU - Murry, Jeffrey P.
AU - Yang, Yunling
AU - Geleziunas, Romas
AU - Robb, Merlin L.
AU - Michael, Nelson L.
AU - Pau, Maria G.
AU - Wegmann, Frank
AU - Schuitemaker, Hanneke
AU - Fray, Emily J.
AU - Kumar, Mithra R.
AU - Siliciano, Janet D.
AU - Siliciano, Robert F.
AU - Barouch, Dan H.
N1 - Publisher Copyright:
© 2022, The Author(s).
PY - 2022/12
Y1 - 2022/12
N2 - The latent viral reservoir is the critical barrier for developing an HIV-1 cure. Previous studies have shown that therapeutic vaccination or broadly neutralizing antibody (bNAb) administration, together with a Toll-like receptor 7 (TLR7) agonist, enhanced virologic control or delayed viral rebound, respectively, following discontinuation of antiretroviral therapy (ART) in SIV- or SHIV-infected rhesus macaques. Here we show that the combination of active and passive immunization with vesatolimod may lead to higher rates of post-ART virologic control compared to either approach alone. Therapeutic Ad26/MVA vaccination and PGT121 administration together with TLR7 stimulation with vesatolimod resulted in 70% post-ART virologic control in SHIV-SF162P3-infected rhesus macaques. These data suggest the potential of combining active and passive immunization targeting different immunologic mechanisms as an HIV-1 cure strategy.
AB - The latent viral reservoir is the critical barrier for developing an HIV-1 cure. Previous studies have shown that therapeutic vaccination or broadly neutralizing antibody (bNAb) administration, together with a Toll-like receptor 7 (TLR7) agonist, enhanced virologic control or delayed viral rebound, respectively, following discontinuation of antiretroviral therapy (ART) in SIV- or SHIV-infected rhesus macaques. Here we show that the combination of active and passive immunization with vesatolimod may lead to higher rates of post-ART virologic control compared to either approach alone. Therapeutic Ad26/MVA vaccination and PGT121 administration together with TLR7 stimulation with vesatolimod resulted in 70% post-ART virologic control in SHIV-SF162P3-infected rhesus macaques. These data suggest the potential of combining active and passive immunization targeting different immunologic mechanisms as an HIV-1 cure strategy.
UR - http://www.scopus.com/inward/record.url?scp=85132078351&partnerID=8YFLogxK
U2 - 10.1038/s41467-022-31196-5
DO - 10.1038/s41467-022-31196-5
M3 - Article
C2 - 35710819
AN - SCOPUS:85132078351
SN - 2041-1723
VL - 13
JO - Nature Communications
JF - Nature Communications
IS - 1
M1 - 3463
ER -