UPDATE: Threshold Pharma (THLD) Receives Orphan Drug Status for TH-302 for the Treatment of Soft Tissue Sarcoma

March 30, 2012 7:33 AM EDT Send to a Friend
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(Updated - March 30, 2012 7:55 AM EDT)

Threshold Pharmaceuticals, Inc. (NASDAQ: THLD) today announced the US FDA has granted Orphan Drug Designation for TH-302, a hypoxia-targeted drug, for the treatment of soft tissue sarcoma.

Threshold Pharmaceuticals is conducting a pivotal Phase 3 study (TH-CR-406) in soft tissue sarcoma comparing TH-302 in combination with doxorubicin against single agent doxorubicin. The same combination regimen of TH-302 with doxorubicin was investigated in the single-arm Phase 2 (TH-CR-403) study. Data from this Phase 2 study were most recently presented at the Connective Tissue Oncology Society (CTOS) meeting in October of 2011. In February 2011, Threshold Pharmaceuticals announced that it had reached agreement with the FDA on a Special Protocol Assessment for the Phase 3 study which includes a primary efficacy endpoint of overall survival. The international, randomized, controlled Phase 3 clinical trial was initiated in September 2011, and is being conducted in partnership with the Sarcoma Alliance for Research through Collaboration (SARC). The trial is designed to enroll 450 patients with metastatic or locally advanced unresectable soft tissue sarcoma.


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