On February 5, 2020 Trovagene, Inc. (Nasdaq: TROV), a clinical-stage, oncology therapeutics company developing onvansertib for the treatment of various cancers including prostate, colorectal, and leukemia, reported that a poster featuring efficacy data from its Phase 2 study in metastatic castrate-resistant prostate cancer (mCRPC), will be presented on Thursday, February 13th, 2020 at the American Society for Clinical Oncology (ASCO) (Free ASCO Whitepaper) 2020 Genitourinary Cancers Symposium in San Francisco (Press release, Trovagene, FEB 5, 2020, View Source [SID1234553892]).
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The poster presentation will be available for download from the Scientific Presentations page on the Trovagene website at View Source
Details of the Poster Presentation are as follows:
Title: A Phase 2 Study of Onvansertib in Combination with Abiraterone and Prednisone in Patients with Metastatic Castration-Resistant Prostate Cancer (mCRPC)
Session: Trials in Progress Poster Session A: Prostate Cancer
Abstract: TPS266
Poster: P10
Date/Time and Location: Thursday, February 13th, 11:30 AM – 1:00 PM and 5:30 PM – 6:30 PM; Moscone West Building
About the Phase 2 Trial of Onvansertib in Metastatic Castration-Resistant Prostate Cancer
The trial is a Phase 2 open-label study of onvansertib in combination with Zytiga (abiraterone acetate)/prednisone, all administered orally, in patients with metastatic castration-resistant prostate cancer (mCRPC), showing signs of disease progression demonstrated by two rising PSA values separated by at least one week, while on Zytiga. The primary efficacy endpoint is the proportion of patients achieving disease control after 12 weeks of study treatment, as defined by lack of prostate specific antigen (PSA) progression in patients who are showing signs of early progressive disease (rise in PSA but minimally symptomatic or asymptomatic) while currently receiving abiraterone acetate and prednisone. The trial is being conducted by Beth Israel Deaconess Medical Center (BIDMC), Dana-Farber Cancer Institute (Dana-Farber), and Massachusetts General Hospital Cancer Center (MGH). David Einstein, MD, Genitourinary Oncology Program at BIDMC, is the principal investigator for the trial.
About Onvansertib
Onvansertib is a first-in-class, third-generation, oral and highly-selective adenosine triphosphate (ATP) competitive inhibitor of the serine/threonine polo-like-kinase 1 (PLK1) enzyme, which is over-expressed in multiple cancers including leukemias, lymphomas and solid tumors. Onvansertib targets the PLK1 isoform only (not PLK2 or PLK3), is orally administered and has a 24-hour half-life with only mild-to-moderate side effects reported. Trovagene believes that targeting only PLK1 and having a favorable safety and tolerability profile, along with an
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improved dose/scheduling regimen will significantly improve on the outcome observed in previous studies with a former panPLK inhibitor in AML.
Onvansertib has demonstrated synergy in preclinical studies with numerous chemotherapies and targeted therapeutics used to treat leukemias, lymphomas and solid tumor cancers, including irinotecan, FLT3 and HDAC inhibitors, taxanes and cytotoxins. Trovagene believes the combination of onvansertib with other compounds has the potential to improve clinical efficacy in acute myeloid leukemia (AML), metastatic castration-resistant prostate cancer (mCRPC), non-Hodgkin lymphoma (NHL), colorectal cancer and triple-negative breast cancer (TNBC), as well as other types of cancer.
Trovagene has three ongoing clinical trials of onvansertib: A Phase 2 trial of onvansertib in combination with Zytiga (abiraterone acetate)/prednisone in patients with mCRPC who are showing signs of early progressive disease (rise in PSA but minimally symptomatic or asymptomatic) while currently receiving Zytiga (NCT03414034); a Phase 1b/2 Study of onvansertib in combination with FOLFIRI and Avastin for second-line treatment in patients with mCRC with a KRAS mutation (NCT03829410) and a Phase 1b/2 clinical trial of onvansertib in combination with low-dose cytarabine or decitabine in patients with relapsed or refractory AML (NCT03303339). Onvansertib has been granted orphan drug designation by the FDA in the U.S. and by the EC in the European Union for the treatment of patients with AML.
Trovagene licensed onvansertib (also known as NMS-1286937 and PCM-075) from Nerviano Medical Sciences (NMS), the largest oncology-focused research and development company in Italy, and a leader in protein kinase drug development. NMS has an excellent track record of licensing innovative drugs to pharma/biotech companies, including Array (recently acquired by Pfizer), Ignyta (acquired by Roche) and Genentech.