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Ref Type | Journal Article | ||||||||||||
PMID | (24898549) | ||||||||||||
Authors | Ries CH, Cannarile MA, Hoves S, Benz J, Wartha K, Runza V, Rey-Giraud F, Pradel LP, Feuerhake F, Klaman I, Jones T, Jucknischke U, Scheiblich S, Kaluza K, Gorr IH, Walz A, Abiraj K, Cassier PA, Sica A, Gomez-Roca C, de Visser KE, Italiano A, Le Tourneau C, Delord JP, Levitsky H, Blay JY, Ruttinger D | ||||||||||||
Title | Targeting tumor-associated macrophages with anti-CSF-1R antibody reveals a strategy for cancer therapy. | ||||||||||||
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Abstract Text | Macrophage infiltration has been identified as an independent poor prognostic factor in several cancer types. The major survival factor for these macrophages is macrophage colony-stimulating factor 1 (CSF-1). We generated a monoclonal antibody (RG7155) that inhibits CSF-1 receptor (CSF-1R) activation. In vitro RG7155 treatment results in cell death of CSF-1-differentiated macrophages. In animal models, CSF-1R inhibition strongly reduces F4/80(+) tumor-associated macrophages accompanied by an increase of the CD8(+)/CD4(+) T cell ratio. Administration of RG7155 to patients led to striking reductions of CSF-1R(+)CD163(+) macrophages in tumor tissues, which translated into clinical objective responses in diffuse-type giant cell tumor (Dt-GCT) patients. |
Molecular Profile | Treatment Approach |
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Gene Name | Source | Synonyms | Protein Domains | Gene Description | Gene Role |
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Therapy Name | Drugs | Efficacy Evidence | Clinical Trials |
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Emactuzumab | Emactuzumab | 0 | 2 |
Drug Name | Trade Name | Synonyms | Drug Classes | Drug Description |
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Emactuzumab | RG7155|RO5509554 | CSF1R Inhibitor 28 | Emactuzumab (RG7155) is a monoclonal antibody that inhibits dimerization of CSF1R, resulting in decreased ligand-dependent and ligand-independent signaling, thereby potentially leading to reduced tumor growth (PMID: 24898549, PMID: 32575160, PMID: 31114846). |
Gene | Variant | Impact | Protein Effect | Variant Description | Associated with drug Resistance |
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Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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