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Zoligratinib (Debio-1347) FGFR inhibitor

Cat.No.S7665

Zoligratinib (Debio-1347, CH5183284, FF284) is a selective and orally available FGFR inhibitor with IC50 of 9.3 nM, 7.6 nM, 22 nM, and 290 nM for FGFR1, FGFR2, FGFR3, and FGFR4, respectively. Phase 1.
Zoligratinib (Debio-1347) FGFR inhibitor Chemical Structure

Chemical Structure

Molecular Weight: 356.38

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Quality Control

Batch: Purity: 99.99%
99.99

Solubility

In vitro
Batch:

DMSO : 71 mg/mL (199.22 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Ethanol : 1 mg/mL

Water : Insoluble

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In vivo
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Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

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Chemical Information, Storage & Stability

Molecular Weight 356.38 Formula

C20H16N6O

Storage (From the date of receipt)
CAS No. 1265229-25-1 Download SDF Storage of Stock Solutions

Synonyms CH5183284, FF284 Smiles CC1=NC2=C(N1)C=C(C=C2)N3C(=C(C=N3)C(=O)C4=CC5=CC=CC=C5N4)N

Mechanism of Action

Targets/IC50/Ki
FGFR2
(Cell-free assay)
7.6 nM
FGFR1
(Cell-free assay)
9.3 nM
FGFR3
(Cell-free assay)
22 nM
FGFR4
(Cell-free assay)
290 nM
In vitro
In cell-based assay, CH5183284 prevents autophosphorylation of FGFR1, FGFR2, and FGFR3 at 100 to 300 nM in the DMS114 (FGFR1 amplification), SNU-16 (FGFR2 amplification), and KMS11 [t(4;14) translocation and FGFR3 Y373C mutation] cell lines. CH5183284 thus produces selective antiproliferative activity against cancer cell lines harboring genetic alterations in FGFR. CH5183284 also inhibit FGFR2 harboring one type of the gatekeeper mutation (V564F) that causes resistance to other FGFR inhibitors.
Kinase Assay
Protein kinase assay
The inhibitory activity of CH5183284/Debio 1347 against FGFR1 is evaluated using a radiometric filter assay by measuring the incorporation of 33Pi with a microplate scintillation counter. The phosphorylation activities of LCK, EGFR, KIT, MET, SRC, BRK, FGFR2, Flt3, LTK, INSR, YES, ABL, EPHA2, ZAP70, Fyn, IGF1R, KDR, and PDGFR on substrate peptides are determined by homogeneous time-resolved fluorescence assay with LANCE Eu-W1024 labeled anti-phosphotyrosine PT66 antibody according to standard methods. Time-resolved fluorescence is measured with an EnVision HTS microplate reader. The activities of Aurora A, Akt1/PKBα, PKA, Cdk1/cyclin B, Cdk2/cyclin A, PKCα, PKCβ1 and PKCβ2 on substrate peptides are determined by IMAP FP Screening Express Progressive Binding System. Fluorescence polarization is measured with an EnVision HTS microplate reader.
In vivo
CH5183284 (100 mg/kg/day, p.o.) shows selective and significant antitumor activity against xenografts with FGFR genetic alterations such as KG1 (leukemia, FGFR1OP-FGFR1 fusion), SNU-16 (gastric cancer, FGFR2 amplification), MFE-280 (endometrial cancer, FGFR2 S252W mutation), UM-UC-14 (bladder cancer, FGFR3 S249C mutation), and RT112/84 (bladder cancer, FGFR3-TACC3 fusion).
References

Applications

Methods Biomarkers Images PMID
Western blot pERK / ERK / pAKT / AKT DUSP6 pY-FGFR / pY-KDR / pY-PDGFR / pY-c-KIT
S7665-WB1
26438159
Growth inhibition assay Cell viability
S7665-viability1
25169980

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2024-05-22)

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT03834220 Terminated
Solid Tumor
Debiopharm International SA|Caris Life Sciences|Optimal Research (Just In Time sites)
March 22 2019 Phase 2
NCT01948297 Terminated
Solid Tumours
Debiopharm International SA
August 2013 Phase 1

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