Primary Objective: To evaluate the pharmacokinetics (PK) of isatuximab. Secondary Objectives: * To evaluate the safety and tolerability of isatuximab. * To assess the preliminary antitumor effect of isatuximab. * To evaluate the immunogenicity of isatuximab.
The duration of the study for an individual patient will include a screening period of up to 21 days, a treatment period of repeated 28-day cycles, and a follow-up period. End of treatment visit will be done at 30 (±7) days after last treatment.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
25
Pharmaceutical form: Concentrate for solution Route of administration: Intravenous
Investigational Site Number 1560003
Beijing, China
Investigational Site Number 1560002
Nanjing, China
Investigational Site Number 1560001
Tianjin, China
Assessment of PK: Cmax
To evaluate the maximum observed concentration (Cmax)
Time frame: Cycle 1, up to 168 hours after start of infusion
Assessment of PK: tmax
To evaluate the time to reach Cmax (tmax)
Time frame: Cycle 1, up to 168 hours after start of infusion
Assessment of PK: AUC0-168h
To evaluate area under the plasma concentration versus time curve over the dosing interval (AUC0-168h)
Time frame: Cycle 1, up to 168 hours after start of infusion
Assessment of PK: Ceoi
To evaluate the concentration observed at the end of an IV infusion (Ceoi)
Time frame: Cycle 1 Day 1, Cycle 2 Day 1, Cycle 4 Day 1; Cycle duration is 28 days
Assessment of PK: Ctrough
To evaluate concentration observed just before investigational medicinal product (IMP) administration during repeated dosing (Ctrough)
Time frame: Up to approximately 40 weeks (Cycle 10)
Adverse Events
Treatment Emergent Adverse Events (TEAEs)/Serious Adverse Events (SAE) based on standard and systematic assessment including infusion associated reactions (IARs), laboratory test abnormalities, vital signs and ECOG performance status
Time frame: Up to 30 days after the last IMP administration
Anti-tumor activity: Overall response (ORR)
Proportion of patients achieving: stringent complete response (sCR), complete response (CR), very good partial response (VGPR), or partial response (PR) according to International Myeloma Working Group (IMWG 2016) criteria
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Time frame: Up to 12 months after last patient treated
Anti-Tumor Activity: Duration of response (DOR)
Time from the date of the first determined response to the date of subsequent determined progressive disease or death, whichever happens earlier
Time frame: Up to 12 months after last patient treated
Anti-Tumor Activity: Time to progression (TTP)
Time interval from the date of first IMP administration to the date of the first assessed disease progression using IMWG criteria
Time frame: Up to 12 months after last patient treated
Anti-Tumor Activity: Progression free survival (PFS)
Time interval from the date of first IMP administration to the date of the first documentation of disease progression or death due to any cause, whichever comes first
Time frame: Up to 12 months after last patient treated
Anti-Tumor Activity: Overall survival (OS)
Time interval from the date of first IMP administration to death due to any cause
Time frame: Up to 12 months after last patient treated
Immunogenicity
To evaluate the presence of antidrug antibodies (ADA) to isatuximab
Time frame: Up to 13 months (10 cycles + 3 months) after last patient treated