Pegfilgrastim drug data and news

Pegfilgrastim drug data, resources, and news articles (when available). Onconews.org provides news on cancer research. This section, which includes profiles on medicines that may or not be cancer-related is in beta form. If things run smoothly we will be releasing a new format late in the summer of 2006.

Generic name Pegfilgrastim
Brand Names/Synonyms Granulocyte colony-stimulating factor precursor;G-CSF;Pluripoietin;Filgrastim;Lenograstim; Neulasta (Amgen Inc.)
Indication Increases leukocyte production, for treatment in non-myeloid cancer, neutropenia and bone marrow transplant
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Description PEGylated (at N terminus) form of human G-CSF (Granulocyte colony stimulating factor), 175 residues, produced from E. coli via bacterial fermentation.
Pharmacology Used in the treatment of chemotherapy-induced neutropenia by enhancing the production of neutrophils. Pegfilgrastim acts on hematopoietic cells by binding to specific cell surface receptors thereby stimulating proliferation, differentiation, commitment, and end cell functional activation. Pegfilgrastim has reduced renal clearance and prolonged persistence in vivo as compared to Filgrastim.
Mechanism Of Action Pegfilgrastim binds to the G-CSF receptor. As a G-CSF analog, it controls proliferation of committed progenitor cells and influences their maturation into mature neutrophils. Pegfilgrastim also stimulates the release of neutrophils from bone marrow storage pools and reduces their maturation time. Pegfilgrastim acts to increase the phagocytic activity of mature neutrophils. In patients receiving cytotoxic chemotherapy, pegfilgrastim can accelerate neutrophil recovery, leading to a reduction in duration of the neutropenic phase
Pegfilgrastim News
(When available)

Research and Markets: Aranesp, Neulasta and Enbrel have all Shown ...  16 May 2006
Neulasta (pegfilgrastim) is a sustained-duration formulation of Neupogen (filgrastim) formed by the addition of polyethylene glycol to granulocyte colony ... - Genetic Engineering News,

Dose-Dense Therapy for NHL Safely Administered with Support of ...  Apr 18, 2006
Among patients with diffuse large B-cell lymphoma, supportive treatment with Neulasta® (pegfilgrastim) allowed for the safe administration of the dose-dense ... - Cancer Consultants (press release),

Dose-Dense Adjuvant Chemotherapy for Node-Positive Breast Cancer ...  May 5, 2006
...effect of suppressed blood cell production, researchers have administered a granulocyte colony-stimulating factor, such as Neupogen or Neulasta® (pegfilgrastim ... - Cancer Consultants (press release),

Amgen's First Quarter 2006 Adjusted Earnings per Share, Excluding ...  Apr 20, 2006
Combined worldwide sales of Neulasta(R) (pegfilgrastim) and NEUPOGEN(R) (Filgrastim), increased 13 percent to $896 million in the first quarter of 2006 versus ... - Webbolt Business News,

Further Evidence that Chemotherapy-Induced Neutropenia Results in ...  Apr 17, 2006
Agents such as Neulasta® (pegfilgrastim), which can prevent chemotherapy-induced neutropenia, may play an important role for patients with cancer. ... - Cancer Consultants (press release),

Dosage Forms SOLUTION
Drug_Category Immunomodulatory Agents; Anti-infective Agents; Antineutropenic Agents; hematopoietic agents (20:16.00)
Absorption Not Available
Interactions Not Available
Toxicity Not Available
Organisms Affected Not Available
Chemical IUPAC Name PEGylated human granulocyte colony stimulating factor
Chemical Formula C845H1343N223O243S9
Molecular Weight 18802.8
Smiles String Not Available
Melting Point 60 oC (Luo, P., Protein Science 11:1218-1226 (2002))
Water Solubility Not Available
State Transparent, slightly viscous, aqueous liquid
LogP/Hphobicity 0.209
Isoelectric Point 5.65
Biotransformation Not Available
Half Life 15-80 hrs
Protein Binding [%] Not Available
RxList Link RXlist
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Drug Reference http://www.drugs.com/cons/Pegfilgrastim.html
http://www.rxlist.com/cgi/generic3/neulasta.htm
Drug Type Approved Drug
Accession No BIOD00094
CAS Registry Number 208265-92-3
KEGG Compound ID Not Available
PubChem ID Not Available
PharmGKB ID PA10809
SwissProt ID CSF3_HUMAN (P09919)
GenBank ID X03438
Drug ID Number [DIN] 2249790

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