On June 13, 2014 Agios Pharmaceuticals reported that its partner Celgene has exercised its option to an exclusive worldwide license to AG-221, an oral, first-in-class, potent inhibitor of the mutant IDH2 protein. Under the terms of the agreement, the option to license extended to Celgene through the end of Phase 1, but AG-221 has been exercised early based on the Phase 1 data generated to date (Press release Agios Pharmaceuticals, JUN 13, 2014, View Source;p=RssLanding&cat=news&id=1939718 [SID:1234500652]). AG-221 is currently in a Phase 1 dose escalation study in patients that harbor an IDH2 mutation with advanced hematologic malignancies, including acute myeloid leukemia (AML).

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"We are pleased with Celgene’s decision to license AG-221, as we believe it reflects the strength of our progress with this product candidate and underscores Agios’ and Celgene’s commitment to precision medicine," said David Schenkein, M.D., chief executive officer of Agios. "Celgene brings global reach, significant expertise and financial resources to the AG-221 program, and we look forward to our continued collaboration to increase the scope and efforts directed to IDH2 and broadly advance this important potential cancer medicine."

"Agios’ AG-221 candidate is simultaneously advancing convergent fields, including cancer metabolism, epigenetics and precision medicine. The emerging Phase 1 clinical data validate the preclinical and mechanistic work on IDH2 mutations in AML, and most importantly, advance a highly promising drug candidate for treatment of molecularly selected patients," said Thomas Daniel, M.D., president of research & early development at Celgene. "Celgene looks forward to deploying our worldwide development capabilities in hematological malignancies and to working with Agios to accelerate development."

Agios and Celgene entered into a global strategic collaboration in April 2010 to develop new therapeutics targeting cancer metabolism. By exercising its exclusive option under the terms of the agreement, Celgene gains worldwide development and commercialization rights for AG-221. Agios, in addition to contributing its scientific and translational expertise, will continue to conduct early clinical development and regulatory activities within the AG-221 development program in collaboration with Celgene. Celgene is responsible for all development costs for AG-221. Agios is eligible for up to $120 million in milestone payments and a tiered royalty on any net sales. Agios also has the right to conduct a portion of any commercialization activities for AG-221 in the United States.

AG-221 is part of Agios’ IDH portfolio that also includes the IDH1 mutant inhibitor AG-120, which the company continues to develop and is in Phase 1 clinical trials in advanced solid tumors and hematologic malignancies. Agios retains U.S. rights to the IDH1 program, and Celgene has an exclusive option to ex-U.S. rights for the program. Agios continues to advance its discovery and research of cancer metabolism targets.