Actinium Pharmaceuticals Announces The Addition of The Fred Hutchinson Cancer Research Center To Actinium's Multicenter Clinical Trial For Patients With Acute Myeloid Leukemia

NEWARK, N.J., Aug. 1, 2012 /PRNewswire/ -- Actinium Pharmaceuticals, Inc. (API), a biopharmaceutical company that develops innovative targeted payload immunotherapeutics, announced that Fred Hutchinson Cancer Research Center has become a clinical site for the Company's ongoing Phase I/II trial in newly diagnosed patients with acute myeloid leukemia (AML).  The trial is designed to establish safety and efficacy of API's drug Actimab-A in AML patients over the age of 60.  Actimab-A treatment consists of the isotope Actinium 225 attached to the anti-CD33 monoclonal antibody lintuzumab (HuM195). 

"We are delighted that The Fred Hutchinson Cancer Research Center joined our trial," said Dr. Dragan Cicic, CEO of Actinium Pharmaceuticals.  "The Fred Hutchinson Cancer Research Center's participation adds another layer to the relationship between our company and this pre-eminent institution and from which we have recently in-licensed BC8, another radiolabeled antibody for treatment of hematologic malignancies, which allowed us to strengthen our product portfolio with a late stage product that has already been in more than 250 patients and continues its development in a number of active trials with impressive results."

Phase I/II multi-center Actimab study will build on the previous phase 1/2 Bismab-A study with a less potent bismuth-213 (Bi-213) isotope and an earlier Actimab-A phase 1 study (where only one dose was administered).  The Phase 2 portion of the Bismab-A study demonstrated efficacy of API's alpha particle platform by producing a number of complete responses in difficult-to-treat relapsed, secondary and poor cytogenetics patients with no standard of care options available. The goal of the current study is to confirm efficacy and safety of Actimab-A, produced by an improved method of manufacture, and to study the effect of multiple doses of treatment.  The population for this study will be patients with newly diagnosed AML who are over the age of 60 years, an age in which many chemotherapy regimens are not tolerated.  In other published third party studies in AML, newly diagnosed patients had better responses than relapsed patients.

About Actimab-A

Actimab-A is a drug candidate construct made using Actinium Pharmaceuticals' proprietary patented technology for arming monoclonal antibodies with alpha emitters actinium 225 and bismuth 213.  Antibodies are used as high precision delivery systems that bring powerful alpha emitters into or immediately next to targeted cancer cells.  Actimab-A consists of the Lintuzumab monoclonal antibody and actinium 225.

Actinium-225 decays by giving off high-energy alpha particles, which kill cancer cells. When actinium decays, it produces a series of daughter atoms, each of which gives off its own alpha particle, increasing the chances that the cancer cell will be destroyed.  The technology was first demonstrated by Dr. David Scheinberg at Memorial Sloan Kettering Cancer Center. 

Lintuzumab is a monoclonal antibody that targets CD33, found on myeloid leukemia cells. It is the humanized version of M195, the antibody initially developed by Dr. David Scheinberg of Memorial Sloan Kettering Cancer Center.

About Actinium Pharmaceuticals

Actinium Pharmaceuticals, Inc.  is a U.S. based biopharmaceutical company that develops innovative alpha particle immunotherapeutics based on its proprietary platform for the therapeutic utilization of alpha particle emitting actinium-225 and bismuth-213 radiopharmaceuticals in association with monoclonal antibodies.

For more information:

Visit our web site www.actiniumpharmaceuticals.com or contact:

Media:
Dennis S. Dobson Jr.
Tel: (203) 258-0159
Email: dsdobson@optonline.com
www.dobsonmediagroup.com

Dr. Dragan Cicic, MD, CEO
Actinium Pharmaceuticals Inc.
Tel:  (646) 459-4201
E-mail: actimaba@actiniumpharmaceuticals.com

Investors:
Jeff Ramson
ProActive Capital Group, LLC
Tel:  (646) 863-6341
E-mail: jramson@proactivecrg.com
www.proactivecrg.com  

Forward-Looking Statement for Actinium Pharmaceuticals, Inc.

This news release contains "forward-looking statements" as that term is defined in the Private Securities Litigation Reform Act of 1995. These statements are based on management's current expectations and involve risks and uncertainties, which may cause results to differ materially from those set forth in the statements. The forward-looking statements may include statements regarding product development, product potential, or financial performance.  No forward-looking statement can be guaranteed and actual results may differ materially from those projected. Actinium Pharmaceuticals undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events, or otherwise

 

SOURCE Actinium Pharmaceuticals, Inc.



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