Therapeutic Response Statement (Sensitivity)

This therapeutic response statement supports the relationship that CD22 + status confers therapeutic sensitivity to Inotuzumab ozogamicin in patients with Acute Lymphoid Leukemia.

This statement is based on a regulatory approval from the Health Canada:

BESPONSA (inotuzumab ozogamicin for injection) is indicated for monotherapy for the treatment of adults with relapsed or refractory CD22-positive B-cell precursor acute lymphoblastic leukemia (ALL).

Citation

Pfizer Canada ULC. Besponsa (inotuzumab ozogamicin) [product monograph]. Health Canada website. https://pdf.hres.ca/dpd_pm/00077730.PDF. Revised November 2024. Accessed June 2025.