Regulatory approval

Published by the European Medicines Agency.

The European Medicines Agency (EMA) has authorized idelalisib in combination with rituximab for the first-line treatment of adult patients with chronic lymphocytic leukemia (CLL) in the presence of 17p deletion or a TP53 mutation who are not eligible for any other therapies.

This is written in the approval document as:

Zydelig is indicated in combination with rituximab for the treatment of adult patients with chronic lymphocytic leukaemia (CLL) as first line treatment in the presence of 17p deletion or TP53 mutation in patients who are not eligible for any other therapies.

Citation

Gilead Sciences Ireland UC. Zydelig (idelalisib) [product information]. European Medicines Agency website. https://www.ema.europa.eu/en/documents/product-information/zydelig-epar-product-information_en.pdf. Revised June 2023. Accessed March 26, 2024.

Therapeutic response

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

Type Biomarker(s) Cancer type Therapy(ies)
Sensitivity (+) TP53 deletion Chronic Lymphocytic Leukemia Idelalisib, Rituximab
Sensitivity (+) TP53 somatic variants Chronic Lymphocytic Leukemia Idelalisib, Rituximab
Sensitivity (+) 17p deletion Chronic Lymphocytic Leukemia Idelalisib, Rituximab