Regulatory approval

Published by the Food and Drug Administration.

The U.S. Food and Drug Administration granted approval to imatinib for the treatment of adult patients with hypereosinophilic syndrome (HES) and/or chronic eosinophilic leukemia (CEL) who have the FIP1L1-PDGFRa fusion kinase (mutational analysis or fluorescence in situ hybridization [FISH] demonstration of CHIC2 allele deletion) and for patients with HES and/or CEL who are FIP1L1-PDGFRa fusion kinase negative or unknown.

This is written in the approval document as:

Gleevec is a kinase inhibitor indicated for the treatment of adult patients with hypereosinophilic syndrome (HES) and/or chronic eosinophilic leukemia (CEL) who have the FIP1L1-PDGFRa fusion kinase (mutational analysis or fluorescence in situ hybridization [FISH] demonstration of CHIC2 allele deletion) and for patients with HES and/or CEL who are FIP1L1-PDGFRa fusion kinase negative or unknown.

Citation

Novartis Pharmaceuticals Corporation. Gleevec (imatinib) [package insert]. U.S. Food and Drug Administration website. https://www.accessdata.fda.gov/drugsatfda_docs/label/2022/021588s062lbl.pdf. Revised August 2022. Accessed October 30, 2024.

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Therapeutic response

Precision oncology relationships for therapeutic response derived from this regulatory approval.

Type Biomarker(s) Cancer type Therapy(ies)
Sensitivity (+) FIP1L1::PDGFRA Chronic Eosinophilic Leukemia, NOS Imatinib