Actinium Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, develops targeted radiotherapies to deliver cancer-killing radiation to treat patients with high unmet medical needs.

Its lead product candidate, I-131 apamistamab (Iomab-B) that is in a pivotal Phase III clinical trial for elderly relapsed or refractory acute myeloid leukemia trial for bone marrow transplant conditioning; and a Phase I study with a CD19- targeted CAR T-cell therapy with memorial sloan kettering cancer center.

The company also offers clinical and preclinical development programs that utilize multiple isotopes, including Actinium-225, Iodine-131, and Lutetium-177 directed at multiple targets in oncology and hematology, including CD45, CD33, HER3, and other.

It has collaboration with Astellas Pharma, Inc. to develop theranostics for solid tumor indications; EpicentRx, Inc that focuses on a novel CD47 immunotherapy targeted radiotherapy; and AVEO Oncology that focuses on developing a HER3 targeting ARC for solid tumors.

The company is based in New York, New York.