Overview of Zanidatamab Flashcards
Therapeutic antibodies can be made in the lab T/F?
True
During an immune response antibodies bind to specific portions of their target molecules called____________
Epitopes
The scFv of Zanidatamab binds to
ECD 4 of HER2
ECD4 is known as ____________
Juxtamembrane extracellular receptor
Fab of Zanidatamab binds to
ECD 2 of HER2
ECD2 is known as_______________
The dimerization domain
Hercetin binds to ______
ECD 4
Perjeta binds to ______
ECD 2
Zanidatamab causes __________ of HER 2 molecules
Crosslinking
Crosslinking leads to
HER2 : Clustering, Internalization, Downregulation, Inhibition and Triggering
Immune mediated responses include:
ADCC, ADCP and CDC
Phase 1 study implemented a ______ trial design
Basket
Part 1 was designed to identify
Maximum tolerated dose
Cohort 5 of Part included
22 patients with HER2 + BTC
13 GBC, 4 eCCA, 5 iCCA
Part 2 was to characterize
Safety, tolerability and preliminary anti tumor activity of zanidatamab
Part 2 was to evaluate _____
Zanidatamab with chemotherapy in patients with HER2 expressing breast and GEA
What was the primary endpoint of Part 2 Cohort 5 study?
Safety
Key secondary endpoints were?
ORR, DCR, PFS
The median age was ________
62.5 years
_____ patients _____% with BTC had a partial response
8, 38%
ORR in Part 2 was ______
38%
Median DCR in Part 2 was ____
62%
mPFS in part 2 was______
3.5 months
Most common AE’s in Phase 1 were____
Diarrhea, Infusion reaction, fatigue and rash