"We recently presented data at ASCO showing an 88% disease control rate, meaning stable disease or better, in eight evaluable patients with heavily pretreated prostate cancer," stated Dr.
Approximately 50 qualifying patients with metastatic HRPC following at least one of the recently approved agents (enzalutamide, abiraterone or radium 223) will receive 50 mg/m2 of Selinexor orally twice per week over each 28-day cycle. The primary goal of the study is to determine the disease control rate assessed according to RECIST criteria and the prevention of new bone lesions. The secondary goal of the study is to evaluate the prostate-specific antigen (PSA) response relative to baseline. A full description of the study is available at www.clinicaltrials.gov (NCT02146833).
"Patients with hormone refractory prostate cancer have very limited options, particularly after their disease progresses on chemotherapy," commented Dr. Logothetis. "However, we are encouraged by Selinexor's disease control rate in the prostate cancer patients with significant bone disease in the ongoing phase 1 study, as well as its single-agent activity against a variety of both localized and disseminated prostate cancer in preclinical mouse models. We look forward to assessing the treatment potential of Selinexor in this patient population where there is a high unmet need for further therapy to control their disease and to prolong their lives."
About Prostate Cancer
Approximately one in every seven men in
About Selinexor
Selinexor (KPT-330) is a first-in-class, oral Selective Inhibitor of Nuclear Export (SINE) compound. Selinexor functions by binding with the nuclear export protein XPO1 (also called CRM1), leading to the accumulation of tumor suppressor proteins in the cell nucleus, which subsequently reinitiates and amplifies their tumor suppressor function. This is believed to lead to the selective induction of apoptosis in cancer cells, while largely sparing normal cells. To date, over 300 patients have been treated with Selinexor in Phase 1 and Phase 2 clinical trials in advanced hematologic malignancies and solid tumors. Additional Phase 1 and Phase 2 studies are ongoing or currently planned and three registration-directed clinical trials in hematological indications are expected to begin enrollment during 2014. The latest clinical trial information for Selinexor is available at www.clinicaltrials.gov.
About
Forward-Looking Statements
This press release contains forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Such forward-looking statements include those regarding the therapeutic potential of and potential clinical development plans for Karyopharm's drug candidates, including the timing of initiation of certain trials and of the reporting of data from such trials. Such statements are subject to numerous important factors, risks and uncertainties that may cause actual events or results to differ materially from the company's current expectations. For example, there can be no guarantee that any of Karyopharm's SINE compounds, including Selinexor (KPT-330), or any other drug candidate that Karyopharm is developing will successfully complete necessary preclinical and clinical development phases or that development of any of Karyopharm's drug candidates will continue. Further, there can be no guarantee that any positive developments in Karyopharm's drug candidate portfolio will result in stock price appreciation. Management's expectations and, therefore, any forward-looking statements in this press release could also be affected by risks and uncertainties relating to a number of other factors, including the following: Karyopharm's results of clinical trials and preclinical studies, including subsequent analysis of existing data and new data received from ongoing and future studies; the content and timing of decisions made by the
CONTACT:Paul Brannelly paul@karyopharm.com 508-975-4820
Source: Karyopharm Therapeutics
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