ALBUQUERQUE, N.M., May 23, 2022 /PRNewswire/ -- Indica Labs, the leading provider of computational pathology software and services, is excited to announce a CE-IVD Mark for HALO Prostate AI, a deep learning-based screening tool designed to assist pathologists in identifying and grading prostate cancer in core needle biopsies.

Prostate cancer is the most common cancer diagnosed in men. With over 1.4 million cases reported worldwide in 2020, the incidence rates continue to rise with wider availability of screening tests, such as PSA. Each prostate case consists of multiple biopsy core whole slide images, which must be assessed by a pathologist for the presence of tumor and, if present, a Gleason score is reported. This represents a large workload for pathologists who screen multiple cases daily. HALO Prostate AI is designed to work alongside the pathologist to improve efficiency and to add a layer of quality control to ensure diagnostic accuracy.

Developed in close collaboration with Dr. Yuri Tolkach and colleagues from the University of Cologne, HALO Prostate AI was trained using over 870,000 training patches obtained from the annotation of digital scans representing the full spectrum of prostate cancer subtypes and Gleason grades, as well as benign tissue. The algorithm achieved high sensitivity (95- 100%), specificity (88-98%) and negative predictive value (98- 100%) in validation studies performed on 4,973 core needle biopsies from three independent cohorts sourced from hospitals in Austria and Germany. Highlighting the unique benefit of HALO Prostate AI screening on diagnostic accuracy and patient care, the algorithm correctly detected tumor in 26 cores within the validation study that were originally reported as tumor negative.
In a separate study, Gleason scores obtained from HALO Prostate AI were compared against scores assigned by pathologists located in ten globally distributed hospitals. Nine pathologists who participated in the study were board-certified in genitourinary pathology. High concordance was achieved for two separate cohorts with representative average quadratic Kappa scores of 0.8 and 0.7.

"I am very excited about the digital future of pathology," commented Dr. Tolkach. "With tools such as HALO Prostate AI, our work can be substantially optimized while controlling for high-quality, reliable, and objective diagnostics. HALO Prostate AI showed very high accuracy in the large multi-institutional study for tumor detection and Gleason Grading in prostate biopsies. It's really enjoyable to work back-to-back with such a powerful AI assistant."

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