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Filgrastim (G-CSF)

University of Miami · Phase 3 active Small molecule

Filgrastim is a granulocyte-colony stimulating factor (G-CSF) that stimulates the bone marrow to produce and release neutrophils into the bloodstream.

Filgrastim is a granulocyte-colony stimulating factor (G-CSF) that stimulates the bone marrow to produce and release neutrophils into the bloodstream. Used for Chemotherapy-induced neutropenia, Severe chronic neutropenia, Mobilization of peripheral blood progenitor cells for stem cell transplantation.

At a glance

Generic nameFilgrastim (G-CSF)
Also known asNeupogen, Granul, Neupogen®, G-CSF, G-CSF, neupogen
SponsorUniversity of Miami
Drug classGranulocyte-colony stimulating factor (G-CSF)
TargetG-CSF receptor (GCSFR)
ModalitySmall molecule
Therapeutic areaOncology, Immunology, Hematology
PhasePhase 3

Mechanism of action

Filgrastim binds to G-CSF receptors on hematopoietic progenitor cells in the bone marrow, promoting their proliferation, differentiation, and activation. This increases circulating neutrophil counts, enhancing immune function and reducing infection risk in patients with neutropenia or undergoing chemotherapy.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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