NEW YORK, May 22, 2018 (GLOBE NEWSWIRE) -- Progenics Pharmaceuticals, Inc. (Nasdaq:PGNX) announced today that results from a trial evaluating the use of its automated bone scan index (aBSI) in men with bone-metastatic castration-resistant prostate cancer (CRPC) have been published online in JAMA Oncology.
The vast majority of men with CRPC have bone metastases. Bone scan is the standard imaging modality in these patients. Bone scans indirectly assess tumor activity by measuring bone mineral turnover. The Bone Scan Index quantifies the prostate cancer disease burden shown on a bone scan. Employing Artificial Intelligence, aBSI automatically calculates the Bone Scan Index. aBSI permits a faster quantitative assessment of tumor burden compared to manual BSI and is highly reproducible.
The study, entitled, “Phase 3 Assessment of the Automated Bone Scan Index as a Prognostic Imaging Biomarker of Overall Survival in Men with Metastatic Castration-Resistant Prostate Cancer," establishes the prognostic value of aBSI as a potential biomarker for survival in patients with bone-metastatic CRPC. The study demonstrated that in these patients, aBSI was associated with overall survival and prostate cancer-specific survival (p<0.001), time to symptomatic progression (p<0.001), and time to opiate use for cancer pain (p<0.001).
“There is a significant need for a tool that can reliably and automatically analyze bone scans, provide clinically meaningful data, and reduce the uncertainty associated with the current practice of manual interpretation of these critical scans. This aBSI should ultimately improve how we approach treatment decisions and measure the benefits of such treatments for patients with metastatic castration resistant prostate cancer,” said Andrew Armstrong, MD ScM FACP, Associate Professor of Medicine and Surgery, Associate Director for Clinical Research in Genitourinary Oncology Duke Cancer Institute, Duke University, Durham, NC. “The data from this large-scale prospective study validate the use of aBSI as an independent prognostic imaging biomarker for survival and support its potential utility as an objective tool to evaluate a patient’s response and resistance to therapy over time.” Ongoing studies are evaluating changes in aBSI in response to therapies in prostate cancer, which may provide benchmarks for defining response/progression in the clinic.
About Progenics
Progenics develops innovative medicines and other technologies to target and treat cancer. Progenics' pipeline includes: 1) therapeutic agents designed to precisely target cancer (AZEDRA®, 1095, and PSMA TTC), 2) PSMA-targeted imaging agents for prostate cancer (1404 and PyL™), and 3) imaging analysis technology. Progenics' first commercial product, RELISTOR® (methylnaltrexone bromide) for opioid-induced constipation, is partnered with Valeant Pharmaceuticals International, Inc.
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