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- W3125984466 abstract "The current diagnostic and stratification pathway for prostate cancer has led to over-diagnosis and over- treatment. This thesis aims to improve the prostate cancer diagnosis pathway by developing a minimally invasive blood test to inform diagnosis alongside mpMRI and to understand the true Gleason 4 burden which will help better stratify disease and guide clinicians in treatment planning. To reduce the number of patients who have to undergo prostate biopsy after indeterminate or false positive prostate mpMRI, we aimed to develop a new panel of mRNA detectable in blood or urine that was able to improve the detection of clinical significant prostate cancer (Gleason 4+3 or ≥6mm) in combination with prostate mpMRI. mRNA expression of 28 potential genes was studied in four prostate cancer cell lines and, using publicly available datasets, a new seven gene biomarker panel was developed using machine learning techniques. The signature was then validated in blood and urine samples from the ProMPT, PROMIS and INNOVATE trials. To redefine the classification of Gleason 4 disease in prostate cancer patients, digital pathology was used to contour and accurately assess the burden and spread of Gleason 4 in a cohort of PROMIS patients compared to the gold standard manual pathology. There was a significant difference between observed and objective Gleason 4 burden that has implications in patient risk stratification and biomarker discovery. The work presented in this thesis makes a significant step toward improving the patient diagnostic and risk classification pathways by ensuring only the right patients are biopsied when necessary, improving the current pathological reference standard." @default.
- W3125984466 created "2021-02-01" @default.
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- W3125984466 date "2020-12-28" @default.
- W3125984466 modified "2023-09-27" @default.
- W3125984466 title "Improving The Diagnosis And Risk Stratification Of Prostate Cancer" @default.
- W3125984466 hasPublicationYear "2020" @default.
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