Infinity Pharmaceuticals, Inc. (NASDAQ: INFI) today announced it has restructured its strategic alliance with Mundipharma International Corporation Limited and Purdue Pharmaceutical Products L.P. by mutual agreement. With this restructuring, Infinity regains worldwide rights for its phosphoinositide-3-kinase (PI3K) program, its fatty acid amide hydrolase (FAAH) program and its early discovery programs. IPI-145, the company’s potent, oral inhibitor of PI3K-delta and -gamma, is currently progressing in a Phase 1 trial in patients with advanced hematologic malignancies.
“Regaining worldwide rights to all of our programs, particularly our PI3K program, is an important, value creating development for Infinity,” said Adelene Q. Perkins, president and chief executive officer of Infinity. “Our strategic alliance with Mundipharma and Purdue has been key in building the company, and we are pleased that they will now participate in the value of our PI3K program as a more significant Infinity equity holder, together with our other investors.”
Infinity today announced the expansion of its Phase 1, open-label, dose-escalation trial of IPI-145 in patients with advanced hematologic malignancies. This expansion cohort will evaluate the safety, pharmacokinetics and efficacy of IPI-145 administered at 25 mg twice daily (BID) in patients with chronic lymphocytic leukemia, indolent non-Hodgkin’s lymphoma or mantle cell lymphoma. There have been confirmed investigator assessments of clinical response at the lowest dose levels, including 15 mg BID and less. To date, IPI-145 has been well tolerated and dose-escalation remains ongoing. The maximum tolerated dose (MTD) of IPI-145 has not yet been determined, and additional expansion cohorts are planned once the MTD is reached. Infinity expects to present data from this trial at a medical meeting in the second half of 2012.
In addition, the company plans to initiate a Phase 2 trial of IPI-145 in patients with asthma as well as a Phase 2 trial in patients with rheumatoid arthritis in the second half of 2012.
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