Reference Detail

Ref Type

Journal Article

PMID

(25169980)

Authors

Nakanishi Y, Akiyama N, Tsukaguchi T, Fujii T, Sakata K, Sase H, Isobe T, Morikami K, Shindoh H, Mio T, Ebiike H, Taka N, Aoki Y, Ishii N

Title

The fibroblast growth factor receptor genetic status as a potential predictor of the sensitivity to CH5183284/Debio 1347, a novel selective FGFR inhibitor.

Journal	Vol	Issue	Date	Pages	Journal Short Title
Molecular cancer therapeutics	13	11	2014 Nov	2547-58	Mol Cancer Ther

URL

Abstract Text

The FGF receptors (FGFR) are tyrosine kinases that are constitutively activated in a subset of tumors by genetic alterations such as gene amplifications, point mutations, or chromosomal translocations/rearrangements. Recently, small-molecule inhibitors that can inhibit the FGFR family as well as the VEGF receptor (VEGFR) or platelet-derived growth factor receptor (PDGFR) family displayed clinical benefits in cohorts of patients with FGFR genetic alterations. However, to achieve more potent and prolonged activity in such populations, a selective FGFR inhibitor is still needed. Here, we report the identification of CH5183284/Debio 1347, a selective and orally available FGFR1, FGFR2, and FGFR3 inhibitor that has a unique chemical scaffold. By interacting with unique residues in the ATP-binding site of FGFR1, FGFR2, or FGFR3, CH5183284/Debio 1347 selectively inhibits FGFR1, FGFR2, and FGFR3 but does not inhibit kinase insert domain receptor (KDR) or other kinases. Consistent with its high selectivity for FGFR enzymes, CH5183284/Debio 1347 displayed preferential antitumor activity against cancer cells with various FGFR genetic alterations in a panel of 327 cancer cell lines and in xenograft models. Because of its unique binding mode, CH5183284/Debio 1347 can inhibit FGFR2 harboring one type of the gatekeeper mutation that causes resistance to other FGFR inhibitors and block FGFR2 V564F-driven tumor growth. CH5183284/Debio 1347 is under clinical investigation for the treatment of patients harboring FGFR genetic alterations.

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Molecular Profile	Treatment Approach

Gene Name	Source	Synonyms	Protein Domains	Gene Description	Gene Role

Therapy Name	Drugs	Efficacy Evidence	Clinical Trials

Drug Name	Trade Name	Synonyms	Drug Classes	Drug Description

Gene	Variant	Impact	Protein Effect	Variant Description	Associated with drug Resistance
FGFR2	V563L	missense	gain of function - predicted	FGFR2 V563L (corresponds to V562L in the canonical isoform) lies within the protein kinase domain of the Fgfr2 protein (UniProt.org). V563L is predicted to confer a gain of function to the Fgfr2 protein as indicated by increased Fgfr2 kinase activity in cell culture, and has been shown to be associated with secondary resistance to FGFR inhibitors (PMID: 25169980, PMID: 31109923).	Y
FGFR2	V564F	missense	gain of function - predicted	FGFR2 V564F (also referred to as V565F from the FGFR2IIIb isoform) lies within the protein kinase domain of the Fgfr2 protein (UniProt.org). V564F results in increased kinase activity in cell culture (PMID: 25169980) and has been shown to be associated with secondary resistance to FGFR inhibitors (PMID: 28034880), and therefore, is predicted to lead to a gain of Fgfr2 protein function.	Y
FGFR2	V564I	missense	gain of function	FGFR2 V564I lies within the protein kinase domain of the Fgfr2 protein (UniProt.org). V564I confers a gain of function to the Fgfr2 protein as indicated by increased Fgfr2 kinase activity (PMID: 25169980), results in FGF2-independent phosphorylation of Akt and Erk in cell culture (PMID: 29540482), and has been shown to be associated with secondary resistance to FGFR inhibitors (PMID: 25169980).	Y
FGFR2	V564L	missense	gain of function - predicted	FGFR2 V564L (also referred to as V565L from the FGFR2IIIb isoform) lies within the protein kinase domain of the Fgfr2 protein (UniProt.org). V564L results in increased Fgfr2 kinase activity in cell culture and has been shown to be associated with secondary resistance to FGFR inhibitors (PMID: 25169980), and therefore, is predicted to lead to a gain of Fgfr2 protein function.	Y
FGFR2	V565F	missense	gain of function - predicted	FGFR2 V565F (corresponds to V564F in the canonical isoform) lies within the protein kinase domain of the Fgfr2 protein (UniProt.org). V565F results in increased Fgfr2 kinase activity in cell culture (PMID: 25169980) and has been shown to be associated with secondary resistance to FGFR inhibitors (PMID: 28034880, PMID: 31109923), and therefore, is predicted to lead to a gain of Fgfr2 protein function.	Y
FGFR2	V565L	missense	gain of function - predicted	FGFR2 V565L (corresponds to V564L in the canonical isoform) lies within the protein kinase domain of the Fgfr2 protein (UniProt.org). V565L has been shown to be associated with secondary resistance to FGFR inhibitors and demonstrates increased Fgfr2 kinase activity in cell culture (PMID: 25169980), and therefore, is predicted to lead to a gain of Fgfr2 protein function.	Y

Molecular Profile	Indication/Tumor Type	Response Type	Therapy Name	Approval Status	Evidence Type	Efficacy Evidence	References
FGFR2 K310R FGFR2 N549K	endometrial cancer	sensitive	Debio 1347	Preclinical	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of endometrial cancer cells harboring FGFR2 K310R and FGFR2 N549K mutations in culture (PMID: 25169980).	25169980
FGFR2 amp	stomach cancer	sensitive	Debio 1347	Preclinical - Cell line xenograft	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of FGFR-amplified gastric cancer cells in culture and inhibited tumor growth in cell line xenograft models of gastric cancer harboring FGFR2 amplification (PMID: 25169980).	25169980
FGFR2 V564F	Advanced Solid Tumor	resistant	AZD4547	Preclinical - Cell line xenograft	Actionable	In a preclinical study, transformed cells over expressing FGFR2 V564F were resistant to AZD4547 in culture and in cell line xenograft models (PMID: 25169980).	25169980
FGFR2 V564I	Advanced Solid Tumor	resistant	Debio 1347	Preclinical - Cell culture	Actionable	In a preclinical study, Debio 1347 did not inhibit Fgfr2 phosphorylation in transformed cells over expressing FGFR2 V564I in culture (PMID: 25169980).	25169980
FGFR2 amp	breast cancer	sensitive	Debio 1347	Preclinical	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of breast cancer cell lines harboring FGFR2 amplification in culture (PMID: 25169980).	25169980
FGFR2 V564F	Advanced Solid Tumor	sensitive	Debio 1347	Preclinical - Cell line xenograft	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of transformed cells over expressing FGFR2 V564F in culture and inhibited tumor growth in cell line xenograft models (PMID: 25169980).	25169980
FGFR1 amp	lung small cell carcinoma	sensitive	Debio 1347	Preclinical	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of small cell lung cancer cell lines harboring FGFR1 amplification in culture (PMID: 25169980).	25169980
FGFR3 Y373C	myeloid neoplasm	sensitive	Debio 1347	Preclinical	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of myeloma cell lines harboring FGFR3 Y373C in culture (PMID: 25169980).	25169980
FGFR2 amp	colorectal cancer	sensitive	Debio 1347	Preclinical	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of colorectal cancer cell lines harboring FGFR2 amplification in culture (PMID: 25169980).	25169980
FGFR2 N549K	endometrial cancer	sensitive	Debio 1347	Preclinical	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of endometrial cancer cells harboring FGFR2 N549K mutation in culture (PMID: 25169980).	25169980
FGFR3 F386L	myeloid neoplasm	sensitive	Debio 1347	Preclinical	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of myeloma cell lines harboring FGFR3 F386L in culture (PMID: 25169980).	25169980
FGFR3 K650E	myeloid neoplasm	sensitive	Debio 1347	Preclinical	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of myeloma cell lines harboring FGFR3 K650E in culture (PMID: 25169980).	25169980
FGFR2 V564L	Advanced Solid Tumor	resistant	Debio 1347	Preclinical - Cell culture	Actionable	In a preclinical study, Debio 1347 did not inhibit Fgfr2 phosphorylation in transformed cells over expressing FGFR2 V564L in culture (PMID: 25169980).	25169980
FGFR2 S252W	endometrial cancer	sensitive	Debio 1347	Preclinical - Cell line xenograft	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of endometrial cancer cells harboring an FGFR2 S252W mutation in culture and inhibited tumor growth in FGFR2 S252W-positive endometrial cancer cell line xenograft models (PMID: 25169980).	25169980
FGFR3 S249C	urinary bladder cancer	sensitive	Debio 1347	Preclinical - Cell line xenograft	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of bladder cancer cells harboring FGFR3 S249C in culture and inhibited tumor growth in FGFR3 S249C-positive bladder cancer cell line xenograft models (PMID: 25169980).	25169980
FGFR1 amp	lung non-small cell carcinoma	sensitive	Debio 1347	Preclinical	Actionable	In a preclinical study, Debio 1347 inhibited proliferation of non-small cell lung cancer cell lines harboring FGFR1 amplification in culture (PMID: 25169980).	25169980