LOS ANGELES--(BUSINESS WIRE)--CytRx Corporation (NASDAQ:CYTR), a biopharmaceutical company specializing in oncology, today announced interim study results that showed its doxorubicin prodrug INNO-206 demonstrated statistically significant anti-tumor activity in human myeloma tumor cells growing in immune-deficient mice compared to a control group, while exhibiting significantly less toxicity than doxorubicin even though INNO-206 was administered at much higher doses. The study is being conducted by the Institute for Myeloma & Bone Cancer Research under the direction of the Institute’s Medical and Scientific Director, noted multiple myeloma authority James R. Berenson, MD. Multiple myeloma is an incurable malignant tumor of the plasma cells in the bone marrow and is the second most common blood-based cancer.