A Study in Healthy Volunteers

This is three part study that will, in part one assess the safety, tolerability, and PK of a single dose of CRV431 in healthy volunteers. The second part of the study will be a single dose drug-drug interaction study in healthy volunteers with CRV431 co-treated with TDF. The third part of the study will assess the safety, tolerability, PK, and preliminary signal for antiviral efficacy and identification of clinically-relevant biomarkers of CRV431 with TDF in stable HBV patients.