The purpose of this study is to evaluate the safety, tolerability and pharmacokinetics of AGS67E both without and with myeloid growth factor (GF) in subjects with refractory or relapsed lymphoid malignancies. Immunogenicity and anticancer activity of AGS67E will also be assessed.
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Incidence and nature of adverse events
Timeframe: up to 34 months
Pharmacokinetic parameter for total antibody (TAb), antibody drug conjugate (ADC), and Monomethyl Auristatin E (MMAE): Concentration at the end of infusion (CEOI)
Timeframe: Escalation: Days 1-4, 8, 15, 22, 43-46, 50, 64 for Cycles 1-4 and predose once every 3 weeks in subsequent cycles. Expansion: Days 1, 3, 8, 22, 43, 45, 64 in Cycles 1-4 and predose once every 3 weeks in subsequent Cycles up to an average of 4 months
Pharmacokinetic parameter for total antibody (TAb), antibody drug conjugate (ADC), and Monomethyl Auristatin E (MMAE): Maximum observed concentration (Cmax)
Timeframe: Escalation: Days 1-4, 8, 15, 22, 43-46, 50, 64 for Cycles 1-4 and predose once every 3 weeks in subsequent cycles. Expansion: Days 1, 3, 8, 22, 43, 45, 64 in Cycles 1-4 and predose once every 3 weeks in subsequent Cycles up to an average of 4 months
Pharmacokinetic parameter for Monomethyl Auristatin E (MMAE): Time to maximum concentration (Tmax)
Timeframe: Escalation: Days 1-4, 8, 15, 22, 43-46, 50, 64 for Cycles 1-4 and predose once every 3 weeks in subsequent cycles. Expansion: Days 1, 3, 8, 22, 43, 45, 64 in Cycles 1-4 and predose once every 3 weeks in subsequent Cycles up to an average of 4 months
Pharmacokinetic parameter for total antibody (TAb), antibody drug conjugate (ADC), and Monomethyl Auristatin E (MMAE): Partial area under the serum concentration-time curve after first dose and as appropriate (AUC0-21)
Timeframe: Escalation: Days 1-4, 8, 15, 22, 43-46, 50, 64 for Cycles 1-4 and predose once every 3 weeks in subsequent cycles. Expansion: Days 1, 3, 8, 22, 43, 45, 64 in Cycles 1-4 and predose once every 3 weeks in subsequent Cycles up to an average of 4 months
Pharmacokinetic parameter for total antibody (TAb), antibody drug conjugate (ADC), and Monomethyl Auristatin E (MMAE): Terminal or apparent terminal half-life (t1/2)
Timeframe: Escalation: Days 1-4, 8, 15, 22, 43-46, 50, 64 for Cycles 1-4 and predose once every 3 weeks in subsequent cycles. Expansion: Days 1, 3, 8, 22, 43, 45, 64 in Cycles 1-4 and predose once every 3 weeks in subsequent Cycles up to an average of 4 months
Pharmacokinetic parameter for total antibody (TAb), antibody drug conjugate (ADC), and Monomethyl Auristatin E (MMAE): Systemic clearance (CL)
Timeframe: Escalation: Days 1-4, 8, 15, 22, 43-46, 50, 64 for Cycles 1-4 and predose once every 3 weeks in subsequent cycles. Expansion: Days 1, 3, 8, 22, 43, 45, 64 in Cycles 1-4 and predose once every 3 weeks in subsequent Cycles up to an average of 4 months
Pharmacokinetic parameter for total antibody (TAb), antibody drug conjugate (ADC), and Monomethyl Auristatin E (MMAE): Volume of distribution at steady state (Vss)
Timeframe: Escalation: Days 1-4, 8, 15, 22, 43-46, 50, 64 for Cycles 1-4 and predose once every 3 weeks in subsequent cycles. Expansion: Days 1, 3, 8, 22, 43, 45, 64 in Cycles 1-4 and predose once every 3 weeks in subsequent Cycles up to an average of 4 months