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Investigational new drugs · Oct 2013
Randomized Controlled Trial Multicenter Study Comparative StudyA randomized, multi-center, open-label, phase II study of once-per-cycle DA-3031, a biosimilar pegylated G-CSF, compared with daily filgrastim in patients receiving TAC chemotherapy for early-stage breast cancer.
- K H Park, J H Sohn, S Lee, J H Park, S Y Kang, H Y Kim, I H Park, Y H Park, Y H Im, H J Lee, D S Hong, S Park, S H Shin, H C Kwon, and J H Seo.
- Division of Oncology/Hematology, Department of Internal medicine, Korea University College of Medicine, 97 Guro-dong Gil, Guro-gu, Seoul, Korea.
- Invest New Drugs. 2013 Oct 1; 31 (5): 1300-6.
BackgroundsA pegylated form of recombinant granulocyte-colony stimulating factor (G-CSF) was developed for prophylactic use in breast cancer. The aim of this study was to evaluate the efficacy and safety of once-per-cycle DA-3031 in patients receiving chemotherapy for breast cancer.MethodsA total of 61 patients receiving docetaxel, doxorubicin, and cyclophosphamide (TAC) chemotherapy were randomized in cycle 1 to receive daily injections of filgrastim (100 μg/m(2)) or a single subcutaneous injection of pegylated filgrastim DA-3031 at a dose of either 3.6 mg or 6 mg.ResultsThe mean duration of grade 4 neutropenia in cycle 1 was comparable among the treatment groups (2.48, 2.20, and 2.05 days for filgrastim, DA-3031 3.6 mg and 6 mg, respectively; P=0.275). No statistically significant differences were observed in the incidence of febrile neutropenia between the treatment groups (9.5 %, 15.0 %, and 5.0 % for filgrastim, DA-3031 3.6 mg and 6 mg, respectively; P=0.681) in cycle 1. The incidences of adverse events attributable to G-CSF were similar among the treatment groups.ConclusionsFixed doses of 3.6 mg or 6 mg DA-3031 have an efficacy comparable to that of daily injections of filgrastim in ameliorating grade 4 neutropenia in patients receiving TAC chemotherapy.
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