Higher plasma asparaginase activity after intramuscular than intravenous Erwinia asparaginase.

Abstract:

:It is unclear if dosing intervals for Erwinase can be extended with intramuscular (i.m.) versus intravenous (i.v.) dosing. Children with acute lymphoblastic leukemia received Erwinase at 30 000-42 000 IU/m2 i.v. or i.m. I.m. Erwinase (n = 22) achieved activity above 0.1 IU/mL for longer than i.v. Erwinase (n = 33) (3.4 vs 2.9 days, P = 0.0007). With 30 000 IU/m2 Monday, Wednesday, Friday, more patients achieved adequate concentrations over the weekend with i.m. vs i.v. dosing (P = 5 × 10-36 ). A schedule with i.v. doses on Monday and Wednesday and i.m. doses on Friday of 30 000 IU/m2 maintained activity > 0.1 IU/mL over the weekend in 80% of patients.

journal_name

Pediatr Blood Cancer

journal_title

Pediatric blood & cancer

authors

Panetta JC,Liu Y,Swanson HD,Karol SE,Pui CH,Inaba H,Jeha S,Relling MV

doi

10.1002/pbc.28244

subject

Has Abstract

pub_date

2020-07-01 00:00:00

pages

e28244

issue

7

eissn

1545-5009

issn

1545-5017

journal_volume

67

pub_type

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