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InvestorNewsBreaks – Actinium Pharmaceuticals, Inc. (NYSE AMERICAN: ATNM) Hosts Investor Call Highlighting Actimab-A Clinical Progress and Expansion into Solid Tumors 
March 25, 2025

InvestorNewsBreaks – Actinium Pharmaceuticals, Inc. (NYSE AMERICAN: ATNM) Hosts Investor Call Highlighting Actimab-A Clinical Progress and Expansion into Solid Tumors 

Actinium Pharmaceuticals (NYSE AMERICAN: ATNM), a leader in targeted radiotherapies, will hold an investor call today at 8:00 a.m. ET featuring Dr. Ehab Atallah, Professor of Medicine at the Medical College of Wisconsin and principal investigator of the Actimab-A + CLAG-M trial for relapsed/refractory acute myeloid leukemia (r/r AML). Dr. Atallah will present updated clinical results, including long-term survival data and plans for a pivotal Phase 2/3 trial under Actinium’s cooperative research and development agreement (“CRADA”) with the National Cancer Institute. Actinium’s management will also discuss the launch of its Actimab-A solid tumor program, which includes trials combining Actimab-A with KEYTRUDA® and OPDIVO® in head and neck squamous cell carcinoma and non-small cell lung cancer. 

To view the full article, visit https://ibn.fm/uSZgj 

About Actinium Pharmaceuticals, Inc. 

Actinium is a pioneer in the development of targeted radiotherapies intended to meaningfully improve patient outcomes. Actinium is advancing its lead product candidate Actimab-A, a CD33 targeting therapeutic, as potential backbone therapy in acute myeloid leukemia (AML) and other myeloid malignancies leveraging the mutation agnostic alpha-emitter radioisotope payload Actinium-225 (Ac-225). Actimab-A has demonstrated potential activity in relapsed and refractory acute myeloid leukemia (r/r AML) patients in combination with the chemotherapy CLAG-M including high rates of Complete Remissions (CR) and measurable residual disease (MRD) negativity leading to improved survival outcomes and is being advanced to a pivotal Phase 2/3 trial. In addition, Actinium is engaged with the National Cancer Institute (NCI) under the Cooperative Research and Development Agreement (CRADA) for development of Actimab-A in AML and other myeloid malignancies. The first clinical trial under the CRADA will evaluate the triplet combination comprised of Actimab-A, Venetoclax (Abbvie/Roche) an oral Bcl-2 inhibitor and ASTX-727 (Taiho Oncology, an Otsuka holdings company) a novel oral hypomethylating agent (HMA) in frontline acute myeloid leukemia (AML) patients. Additionally, Actinium is developing Actimab-A as a potential pan tumor therapy in combination with PD-1 checkpoint inhibitors including KEYTRUDA ® and OPDIVO ® by depleting myeloid derived suppressor cells (MDSCs), which represents a potential multi-billion-dollar addressable market. Iomab-ACT, Actinium’s next generation conditioning candidate, is being developed with the goal of improving patient access and outcomes for potentially curative cell and gene therapies. Iomab-B is an induction and conditioning agent prior to bone marrow transplant in patients with r/r AML, which Actinium is seeking a potential strategic partner for the U.S. ATNM-400 is Actinium’s novel non-PSMA targeting Ac-225 radiotherapy for prostate cancer, which is supported by preclinical data and is being advanced to clinical trials. In addition, the company’s R&D efforts are primarily focused on advancing several preclinical programs for solid tumor indications. Actinium holds 230 patents and patent applications including several patents related to the manufacture of the isotope Ac-225 in a cyclotron. 

For more information, please visit: https://www.actiniumpharma.com/ 

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