Iomab-B
Iomab-B is Actinium's radioactive antibody that clears the bone marrow before a transplant for older patients with active relapsed acute myeloid leukaemia; the phase 3 SIERRA trial met its primary endpoint but the FDA asked for another study.
Overview
Iomab-B delivers iodine-131 to CD45-positive cells, allowing patients with relapsed or refractory acute myeloid leukaemia who would not tolerate conventional myeloablative conditioning to proceed to allogeneic transplant. In the phase 3 SIERRA trial, Iomab-B followed by transplant produced durable complete remission at six months in a substantially higher share of patients than conventional care. Actinium reported in 2024 that the FDA requested an additional randomised trial before filing, and it is seeking partners; the trial is recorded here.
An antibody against CD45, found on all white blood cells, carries iodine-131 to the marrow and leukaemia cells and ablates them in place of high-dose chemotherapy before a stem cell transplant.
1.Iomab-B binds its target.
Trials
topTrials recruiting now
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Landmark trials
Latest papers
topQuery for this drug: (TITLE:"Iomab-B" OR ABSTRACT:"Iomab-B" OR TITLE:"Apamistamab-I131" OR ABSTRACT:"Apamistamab-I131" OR TITLE:"131I-apamistamab" OR ABSTRACT:"131I-apamistamab") AND (cancer OR tumor OR tumour OR oncology OR carcinoma OR lymphoma OR leukemia OR leukaemia OR myeloma OR sarcoma OR melanoma OR glioma). Results are unfiltered search hits about Iomab-B, not a curated reading list.
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