Onconova Presents Patient Selection Criteria and Intermediate Clinical Endpoints for Rigosertib in Higher-Risk Myelodysplastic Syndromes (HR-MDS) at EHA Annual Meeting

On June 15, 2015 Onconova reported the presentation of clinical data on rigosertib in HR-MDS at the 20th Congress of the European Hematology Association (EHA) (Free EHA Whitepaper) in Vienna, Austria, June 11 – 14, 2015 (Press release, Onconova, JUN 15, 2015, View Source [SID:1234505432]).

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Onconova collaborators from the United States and Europe presented multiple posters analyzing subgroup data, key clinical endpoints and eligibility criteria from the completed Phase 3 ONTIME trial of IV rigosertib in patients with HR-MDS previously treated with hypomethylating agents (HMAs). These data are being utilized in the design of a new global Phase 3 trial for IV rigosertib in HR-MDS, which Onconova expects to initiate in 2015, pending receipt of appropriate financing.

Electronic versions of the posters can be accessed by visiting "Posters" under the Investors and Media section of the Onconova website at www.onconova.com.

Abstract number: P616
Title: Overall Survival (OS) and Baseline Disease Characteristics in MDS Patients with Primary HMA Failure in a Randomized, Controlled, Phase III Study of Rigosertib
Primary Author: Guillermo Garcia-Manero, MD, MD Anderson Cancer Center, Houston, TX

Abstract number: P625
Title: Correlation of Overall Survival (OS) with Bone Marrow Blast (BMBL) Response in Patients (Pts) with Myelodysplastic Syndromes (MDS)
Primary Author : Lewis R. Silverman, MD, Division of Hematology/Oncology, Icahn School of Medicine at Mount Sinai, New York, NY

Abstract Number: E1227
Title: Prognostic and Predictive Value of IPSS-R in Assessing Overall Survival (OS) in a Phase III Study of Rigosertib in Second-line Higher-risk (HR) MDS Patients
Primary Author: Lewis R. Silverman, MD; Division of Hematology/Oncology, Icahn School of Medicine at Mount Sinai, New York, NY

Abstract Number: E1226
Title: Subgroup Analyses of a Phase 3 Study in Patients with Myelodysplastic Syndromes Failing HMA Treatment: Identification of a Homogeneous Population Who Benefit from Rigosertib Therapy
Primary Author: Gianluca Gaidano, MD; Amedeo Avogadro University of Eastern Piedmont, Novara, Italy