Infinity Stops Phase 2 Trials of Saridegib in Chondrosarcoma and Myelofibrosis

Infinity Pharmaceuticals, Inc. INFI today announced interim data from its Phase 2, double-blind, randomized, placebo-controlled study of saridegib (IPI-926) in patients with metastatic or locally advanced, inoperable chondrosarcoma. The primary endpoint of the Phase 2 study was progression-free survival. While the final analysis is not complete, a planned futility analysis of data from the study was conducted by the study's independent Data Monitoring Committee and concluded that treatment with saridegib was similar to placebo and, therefore, the trial would not meet its primary endpoint. In the trial, saridegib was generally well tolerated. Based on this interim analysis, Infinity is voluntarily stopping the trial. The company expects to present the final data after all analyses are complete. Infinity also announced today that it will not continue its Phase 2 exploratory trial of saridegib in patients with myelofibrosis. This decision was made based on data from the initial cohort of 12 evaluable patients. The level of clinical activity observed in this cohort did not satisfy the company's pre-specified criteria for expansion.