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Relationship Between Absolute Neutrophil Count Profiles and Pharmacokinetics of DA-3031, a Pegylated Granulocyte Colony-Stimulating Factor (Pegylated-G-CSF): A Dose Block-Randomized, Double-Blind, Dose-Escalation Study in Healthy Subjects

Ahn, Li ; Shin, Kwang-Hee ; Lim, Kyoung ; Kim, Tae-Eun ; Jeon, Hyewon ; Yoon, Seo ; Cho, Joo-Youn ; Shin, Sang-Goo ; Jang, In-Jin ; Yu, Kyung-Sang

Clinical Drug Investigation, 2013, Vol.33(11), pp.817-824 [Peer Reviewed Journal]

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  • Title:
    Relationship Between Absolute Neutrophil Count Profiles and Pharmacokinetics of DA-3031, a Pegylated Granulocyte Colony-Stimulating Factor (Pegylated-G-CSF): A Dose Block-Randomized, Double-Blind, Dose-Escalation Study in Healthy Subjects
  • Author: Ahn, Li ; Shin, Kwang-Hee ; Lim, Kyoung ; Kim, Tae-Eun ; Jeon, Hyewon ; Yoon, Seo ; Cho, Joo-Youn ; Shin, Sang-Goo ; Jang, In-Jin ; Yu, Kyung-Sang
  • Subjects: Leukocyte Count ; Granulocyte Colony-Stimulating Factor -- Pharmacokinetics ; Neutrophils -- Drug Effects ; Polyethylene Glycols -- Pharmacokinetics
  • Is Part Of: Clinical Drug Investigation, 2013, Vol.33(11), pp.817-824
  • Description: DA-3031 is a newly developed pegylated filgrastim, a recombinant human granulocyte colony-stimulating factor, that is expected to have an extended duration of action compared with non-modified filgrastim. This study evaluated the tolerability, pharmacokinetics, and pharmacodynamics of DA-3031 in humans, and compared them with filgrastim. The study was conducted in 48 healthy male Korean subjects. Forty subjects received subcutaneous single doses of 1.8, 3.6, 6, or 18 mg of DA-3031 or placebo in a dose block-randomized, double-blind, dose-escalation design. The remaining eight subjects were given subcutaneous doses of 100 μg/m² of filgrastim daily for 5 days. Serial blood samples were collected for pharmacokinetic and pharmacodynamic analyses up to 312 h after the administration of DA-3031 and up to 264 h following the first administration of filgrastim. DA-3031 reached its peak plasma concentration at 6.0-48.0 h and was eliminated mono-exponentially. The pharmacokinetic parameters of DA-3031 increased with dose in a non-linear fashion. Absolute neutrophil count (ANC) levels increased with the dose of DA-3031, although the extent of the increase in ANC decreased at higher dose levels. DA-3031 resulted in similar ANC changes in the 3.6 to 6 mg dose range as 100 μg/m² of filgrastim. The most frequent adverse event was back pain, which was observed after both DA-3031 and filgrastim administration. DA-3031 showed non-linear pharmacodynamic and pharmacokinetic profiles and an extended duration of action compared with non-modified filgrastim, without unexpected toxicities in healthy subjects.
  • Language: English
  • Identifier: ISSN: 1173-2563 ; E-ISSN: 1179-1918 ; DOI: 10.1007/s40261-013-0130-9

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