Agios Pharma (AGIO) Announces Submission of AG-221 NDA to FDA by Celgene (CELG)

September 7, 2016 8:06 AM EDT

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Agios Pharma (NASDAQ: AGIO) disclosed the following in a U.S. SEC filing on Wednesday:

Item 7.01 Regulation FD Disclosure.

Agios Pharmaceuticals, Inc. (the “Company”) today announced that its collaboration partner Celgene Corporation (“Celgene”) expects to submit a new drug application (“NDA”) to the U.S. Food and Drug Administration (“FDA”) for enasidenib (AG-221), a first-in-class, oral, selective, potent inhibitor of mutant isocitrate dehydrogenase-2 (“IDH2”), in relapsed and/or refractory acute myeloid leukemia (“AML”). The NDA will be based on data from the ongoing phase 1/2 study of AG-221 in patients with advanced hematologic malignancies with an IDH2 mutation. The NDA submission is expected to occur by year-end 2016. Celgene will be discussing the planned enasidenib NDA submission at the Citi 11th Annual Biotech Conference in Boston in a webcast event on Wednesday, September 7, 2016 at 12:00 pm ET.

Patients with isocitrate dehydrogenase 1 (“IDH1”) mutant-positive AML whose disease has progressed after standard therapies also have limited treatment options, and the Company plans to explore a similar regulatory path for AG-120, its wholly-owned, first-in-class, oral, potent inhibitor of mutant IDH1, which could lead to a NDA submission in 2017 in the U.S. The Company plans to provide a regulatory update on AG-120 by the end of 2016.

The ongoing AG-221 phase 1/2 trial includes a dose-escalation phase and the following five expansion cohorts, all of which have completed accrual: (i) a cohort of 25 patients aged 60 years or older with IDH2 mutant-positive relapsed or refractory AML, or any IDH2-mutant positive AML patient, regardless of age, who has relapsed following a bone marrow transplant (“BMT”); (ii) a cohort of 25 patients aged less than 60 years with IDH2 mutant-positive relapsed or refractory AML, not including patients with AML who have relapsed following a BMT; (iii) a cohort of 25 patients aged 60 years or older with untreated IDH2 mutant-positive AML who decline standard of care chemotherapy; (iv) a cohort of 25 patients with IDH2 mutant-positive advanced hematologic malignancies not eligible for cohorts (i) to (iii); and (v) a cohort of approximately 125 patients with IDH2 mutant-positive AML who are in second or later relapse, refractory to second-line induction or reinduction treatment, or have relapsed after allogeneic transplantation.

The information responsive to Item 7.01 of this Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

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