Inotuzumab ozogamicin - Pfizer
Alternative Names: BESPONSA; CMC-544; InO - Pfizer; PF-05208773; PF-5208773; WAY-207294Latest Information Update: 28 Apr 2026
At a glance
- Originator Celltech Group; Wyeth
- Developer Pfizer
- Class Antineoplastics; Cytostatic antibiotics; Drug conjugates; Immunotoxins; Monoclonal antibodies
- Mechanism of Action DNA damage stimulants
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Orphan Drug Status
Yes - Precursor cell lymphoblastic leukaemia-lymphoma
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Marketed Precursor B-cell lymphoblastic leukaemia-lymphoma; Precursor cell lymphoblastic leukaemia-lymphoma
- Phase I/II Chronic myeloid leukaemia
- No development reported Acute biphenotypic leukaemia; Burkitt's lymphoma
- Discontinued Diffuse large B cell lymphoma; Non-Hodgkin's lymphoma
Most Recent Events
- 28 Apr 2026 No recent reports of development identified for phase-I development in Acute-biphenotypic-leukaemia(Combination therapy, Second-line therapy or greater) in USA (IV, Infusion)
- 28 Apr 2026 No recent reports of development identified for phase-I development in Burkitt's-lymphoma(Combination therapy, Second-line therapy or greater) in USA (IV, Infusion)
- 26 Mar 2026 Preregistration for Precursor B-cell lymphoblastic leukaemia-lymphoma (Second-line therapy or greater, In adolescents, In children, In infants, Monotherapy) in European Union (IV)