On September 30, 2015 Infinity Pharmaceuticals, Inc. (NASDAQ: INFI) reported that the 120th patient has been enrolled in DYNAMO, a Phase 2 study in patients with refractory indolent non-Hodgkin lymphoma (iNHL) evaluating the safety and efficacy of duvelisib an oral, dual inhibitor of phosphoinositide-3-kinase (PI3K)-delta and PI3K-gamma (Press release, Infinity Pharmaceuticals, SEP 30, 2015, View Source;p=RssLanding&cat=news&id=2091831 [SID:1234507617]). This enrollment achievement triggers a $130 million milestone payment from AbbVie Inc. , Infinity’s global development and commercialization partner for duvelisib in oncology. Infinity expects to report topline data from DYNAMO in the third quarter of 2016.
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"The completion of patient enrollment in DYNAMO represents a significant milestone for Infinity," said Julian Adams, Ph.D., president, research and development at Infinity. "We are grateful for the support of the DYNAMO investigators, and most importantly the patients and their families, for their participation in this study. In addition, we would like to thank the Infinity and AbbVie teams for their hard work in ensuring completion of enrollment in this trial. We look forward to sharing topline DYNAMO data next year."
"The duvelisib development program underscores our commitment to developing innovative treatment options for patients with hematologic malignancies, and completing patient enrollment in DYNAMO represents an important step toward advancing the duvelisib program," stated Adelene Perkins, Infinity’s president and chief executive officer. "Additionally, the milestone payment provides Infinity with important financial resources as we continue to execute on our strategic development plans as we work with AbbVie to bring duvelisib to patients. Very few therapeutic options exist for patients with relapsed/refractory indolent non-Hodgkin lymphoma, and more oral therapies are needed."
DYNAMO is a global, Phase 2 open-label, single-arm, monotherapy study of duvelisib (25 mg BID) in 120 patients with iNHL whose disease is refractory to rituximab and to either chemotherapy or radioimmunotherapy. The primary endpoint is overall response rate.
About the AbbVie Collaboration
Under the terms of the agreement announced in September 2014 , Infinity received an upfront payment of $275 million from AbbVie Inc. and will receive a $130 million associated with the completion of patient enrollment for DYNAMO. Additionally, Infinity is eligible additional payments for the achievement of regulatory and commercial milestones. In the U.S., the companies will jointly commercialize duvelisib and will share equally in any potential profits. Outside the U.S., AbbVie will be responsible for the conduct and funding of commercialization of duvelisib, and Infinity is eligible to receive tiered double-digit royalties on net product sales.
About Duvelisib
Duvelisib is an oral, dual inhibitor of phosphoinositide-3-kinase (PI3K)-delta and PI3K-gamma, two proteins with predominantly non-overlapping roles known to support the growth and survival of malignant B-cells.[i] Preclinical data suggest that PI3K-delta signaling can lead to the proliferation of malignant B-cells, and both PI3K-gamma and PI3K-delta play a role in the formation and maintenance of the supportive tumor microenvironment.[ii] Duvelisib is the only investigational PI3K-delta,gamma inhibitor in Phase 3 clinical development and has the potential to be a first-in-class treatment for certain types of hematologic malignancies, or blood cancers. AbbVie and Infinity Pharmaceuticals, Inc. are jointly developing duvelisib in oncology.
Duvelisib is being evaluated in registration-focused studies, including DYNAMO, a Phase 2 study in patients with refractory indolent non-Hodgkin lymphoma, DYNAMO+R, a Phase 3 study in patients with previously treated follicular lymphoma, and DUO, a Phase 3 study in patients with relapsed/refractory chronic lymphocytic leukemia. Duvelisib is an investigational compound and its safety and efficacy have not been evaluated by the U.S. Food and Drug Administration or any other health authority.