y-90 ibritumomab tiuxetan (zevalin) Flashcards
antibody directed against
NHL b lymphocytesadmin
admin via
2 doses
what are doses labeled with
In111 and used as confirmation for final therpay dose and therpay dose labeled with y90 bc beta emitter
ibritumomba is a
murine antibody agaisnt antigen found on b lymphocytes that are normal and maligannat
rituximab is same antibody as
ibritumomab and less linking and chelating parts. used alone for NHL
y90 half life and energy
64.1 hours and beta of 750-935kev
labeling of y-90 zevalin 4 components
-sodium acetate buffer
-isotope
-antibody
-formulation buffer
dose of antibody for 5.0 mCi In 111 study is
1.6 mg
dose of Ab for y90 therapy study is about
2.3 mg
activity for y90 is based on
normal distribution of In 111 Ab determined by WB scan
platelet 150,000
dose is 0.4 mCi/kg
platelet between 150,000-100,000
dose 0.3 mCi/kg
no admin witg levels below
100,000
rituximab pre admin is
250mg/m2 of colf antibody before zevalin
dose of zevalin admin as a 10 min infusion in a what filter size
0.22 microns