Lintuzumab Ac 225 - Actinium Pharmaceuticals
Alternative Names: 225Ac-HuM-195; 225Ac-lintuzumab; Ac-225-Lintuzumab; AC225 MOAB M195; Ac225 monoclonal antibody M195; Actimab-A; Actimab-M; Actimab-MDS; Actinium-225 (225Ac)-Lintuzumab; Actinium-225-labelled HuM195; HuM195-Ac-225Latest Information Update: 10 Jul 2025
At a glance
- Originator PDL BioPharma
- Developer Actinium Pharmaceuticals; Baylor Research Institute; Memorial Sloan-Kettering Cancer Center; National Cancer Institute (USA); University of Texas M. D. Anderson Cancer Center
- Class Antineoplastics; Drug conjugates; Immunoconjugates; Monoclonal antibodies; Radioisotopes; Radiopharmaceuticals
- Mechanism of Action Ionising radiation emitters
-
Orphan Drug Status
Yes - Acute myeloid leukaemia
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity No
Highest Development Phases
- Phase II Acute myeloid leukaemia
- Preclinical Solid tumours
- No development reported Multiple myeloma; Myelodysplastic syndromes
Most Recent Events
- 25 Apr 2025 Pharmacodynamic data from a preclinical trial in Acute myeloid leukemia presented at the 116th Annual Meeting of the American Association for Cancer Research (AACR-2025)
- 28 Mar 2025 National Cancer Institute plans a phase-I trial for Myelodysplastic Syndrome (Second-line therapy or greater) in May 2025 (IV), (NCT06888323)
- 20 Mar 2025 Actinium Pharmaceuticals and Memorial Sloan Kettering Cancer Center agree to co-develop and support clinical expansion of lintuzumab Ac 225's backbone therapy strategy