The primary objective of this study is to determine the recommended dosing regimen of loncastuximab tesirine in diffuse large B-cell lymphoma (DLBCL) or high-grade B-cell lymphoma (HGBCL) participants with moderate and severe hepatic impairment.
Male or female participants aged 18 years or older
Pathologic diagnosis of relapsed (disease that has recurred following a response) or refractory (disease that failed to respond to prior therapy) DLBCL not otherwise specified, DLBCL arising from low grade lymphoma, and high-grade B-cell lymphoma (2016 World Health Organization classification) who have received at least one systemic treatment regimen
Measurable disease as defined by the 2014 Lugano Classification
Arm A Normal hepatic function: bilirubin and aspartate aminotransferase (AST) ≤ upper limit of normal (ULN)
Previous therapy with loncastuximab tesirine
Allogenic or autologous stem cell transplant within 60 days prior to start of study drug (C1D1)
Human immunodeficiency virus (HIV) seropositive
Serologic evidence of chronic hepatitis B virus (HBV) infection and unable or unwilling to receive standard prophylactic antiviral therapy or with detectable HBV viral load