In this preclinical paper NUC therapy, (DNA) vaccination and an anti-PD-L1 (not indefinitely) led to viral clearance in a subset [1]. Also, clinical data on PD-1 receptor occupancy (and more) after a single infusion of Opdivo was provided in this [2]. So I think anti-PD(L)-1 inhibitors could play a role in a potentially 'curative' regimen, but the real question is how many agents will be needed.
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