y-90 ibritumomab tiuxetan (zevalin) Flashcards

1
Q

antibody directed against

A

NHL b lymphocytesadmin

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2
Q

admin via

A

2 doses

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3
Q

what are doses labeled with

A

In111 and used as confirmation for final therpay dose and therpay dose labeled with y90 bc beta emitter

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4
Q

ibritumomba is a

A

murine antibody agaisnt antigen found on b lymphocytes that are normal and maligannat

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5
Q

rituximab is same antibody as

A

ibritumomab and less linking and chelating parts. used alone for NHL

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6
Q

y90 half life and energy

A

64.1 hours and beta of 750-935kev

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7
Q

labeling of y-90 zevalin 4 components

A

-sodium acetate buffer
-isotope
-antibody
-formulation buffer

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8
Q

dose of antibody for 5.0 mCi In 111 study is

A

1.6 mg

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9
Q

dose of Ab for y90 therapy study is about

A

2.3 mg

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10
Q

activity for y90 is based on

A

normal distribution of In 111 Ab determined by WB scan

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11
Q

platelet 150,000

A

dose is 0.4 mCi/kg

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12
Q

platelet between 150,000-100,000

A

dose 0.3 mCi/kg

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13
Q

no admin witg levels below

A

100,000

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14
Q

rituximab pre admin is

A

250mg/m2 of colf antibody before zevalin

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15
Q

dose of zevalin admin as a 10 min infusion in a what filter size

A

0.22 microns

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16
Q

final volume of zevlin dose

A

8-10 mL