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ROMVIMZA is a kinase inhibitor,
highly selective for CSF1R1,2

TGCT is caused by dysregulation of the CSF1 gene leading to overexpression of CSF13,4

In TGCT, overexpression of CSF1 leads to the recruitment of tumor‑promoting, inflammatory cells to tumor sites5

A tumor cell, CSF1, and inflammatory cells with CSF1R and CSF1 present
ROMVIMZA™ (vimseltinib) attaching itself to an inflammatory cell where CSF1R and CSF1 are present

CSF1R inhibition with ROMVIMZA leads to less CSF1 growth signaling2,6

  • In vitro, vimseltinib inhibited CSF1R autophosphorylation, signaling induced by CSF1 ligand binding, and proliferation of cells expressing CSF1R1

Vimseltinib is highly selective for CSF1R with:

  • >100-fold selectivity for inhibiting CSF1R vs all other
    kinases tested2
Tumors and inflammatory cells

CSF1=colony‑stimulating factor 1; CSF1R=colony‑stimulating factor 1 receptor; MOA=mechanism of action; MOD=mechanism of disease; TGCT=tenosynovial giant cell tumor.

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References: 1. Romvimza [package insert]. Waltham, MA: Deciphera Pharmaceuticals, Inc. 2. Gelderblom H, Razak AA, Taylor MH, et al. CSF1R Inhibition in patients with advanced solid tumors or tenosynovial giant cell tumor: a phase 1 study of vimseltinib. Clin Can Res. 2024;30:3996-4004. 3. Lin F, Kwong WJ, Shi S, Pivneva I, Wu EQ, Abraham JA. Surgical treatment patterns, healthcare resource utilization, and economic burden in patients with tenosynovial giant cell tumor who underwent joint surgery in the United States. J Health Econ Outcomes Res. 2022;9(1):68-74. 4. Cannarile MA, Weisser M, Jacob W, et al. Colony-stimulating factor 1 receptor (CSF1R) inhibitors in cancer therapy. J Immunother Cancer. 2017;5(1):53. 5. West RB, Rubin BP, Miller MA, et al. A landscape effect in tenosynovial giant-cell tumor from activation of CSF1 expression by a translocation in a minority of tumor cells. Proc Natl Acad Sci USA. 2006;103(3):690‑695. 6. Smith BD, Kaufman MD, Wise SC, et al. Vimseltinib: a precision CSF1R therapy for tenosynovial giant cell tumors and diseases promoted by macrophages. Mol Cancer Ther. 2021;20(11):2098-2109.
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