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We list hundreds of Clinical Trials about "Signatures Present Positive Results Prostate Cancer Liquid Biopsy" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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The optimal number of prostate cores extracted during a prostate biopsy performed because of a suspected prostate cancer is still debated. The present consensus is to sample 12 cores. However, recent data published in the literature brought arguments in favour of a higher number, probably 20. This would have the advantages of decreasing the false negatives and the re-biopsy rate.
Vitamin D promotes the differentiation of prostate cancer cells and maintains the differentiated phenotype of prostate epithelial cells. The results of our clinical studies indicate that vitamin D3 supplementation results in a decrease of positive cancer cores at repeat biopsy in subjects with low-risk prostate cancer. We hypothesize that Veterans who have early-stage prostate cancer and who take vitamin D3 at 4000 international units per day (intervention group) will show an i...
MRI is being increasingly relied upon for detection, staging and management of prostate cancer. In this study patients with risk of prostate cancer will be recommended to have a pelvic MRI prior to the standard biopsy of the prostate and standard treatment of any detected prostate cancer. The results of the MRI will be compared to standard diagnosis techniques to see if cancer can be more accurately detected.
To compare prostate cancer (PCa) detection rate of magnetic resonance (MR)-targeted biopsy and transrectal ultrasound (TRUS)-guided biopsy in patients with high PSA values and at least one previous negative prostate biopsy. Subjects will be submitted to a multiparametric MR scan of the prostate and subsequently patients with a suspicious MR for PCa presence will be randomized (1:1) into the two study arms.
This study will prospectively compare liquid-biopsy based methods for prediction of resistance under androgen-receptor signaling inhibitors. The main goal is to determine the optimal method to determine androgen-receptor variant 7 (AR-V7) status. In addition, we will explore novel other, AR-V7 independent mechanisms of resistance and their predictive value for proper treatment. These are based on further AR splice variants, and on neuroendocrine differentiation of prostate canc...
RATIONALE: Polyunsaturated fatty acids are important for normal growth and development. One type, called omega-3 fatty acids (found in fish, fish oil, and some other foods), may affect the growth of prostate cancer. PURPOSE: This randomized clinical trial is studying polyunsaturated fatty acids in treating patients with prostate cancer undergoing prostate biopsy and/or surgery.
This diagnostic clinical trial will be conducted according to a randomized, prospective, controlled, double-arm, single-centre design. The control will be implemented by comparing the PET/MRI results with the histopathological finding after radical prostatectomy (positive state), the assumed absence of a relevant prostate cancer focus if PET/MRI guided biopsy and standard biopsy are negative (negative state) and/or the detection of a biochemical tumor relapse (rising PSA after ...
Primary purpose: Complications and rehospitalizations after transperineal prostate biopsy MRI-guided are reduced than transrectal prostate biopsies. Secondary purposes: - Patients tolerance after transperineal prostate biopsy MRI-guided is better than after transrectal prostate biopsies. - Core of transperineal prostate biopsies are better than core of transrectal prostate biopsies - Study of correlation between radiologic images and an...
Prostate cancer is the most frequently diagnosed cancer among men over 50 years old in Western societies, with an incidence that is steadily increasing in most countries. The current, most commonly used biomarker for prostate cancer is prostate specific antigen (PSA), which has well known limitations in accuracy and requires additional testing. However, prostate cancer cells secrete exosomes, also known as prostasomes, which are only detectable in the blood of prostate cancer p...
This study compares micro-ultrasound image targeted prostate biopsy with multi-parametric MRI targeted biopsy in men indicated for prostate biopsy due to suspicion of prostate cancer. Both imaging techniques will be applied to each subject and compared, along with systematic biopsy.
This randomized controlled trial aims to assess the detection rate of clinically significant and clinically insignificant cancer of mpMRI-targeted biopsy compared to transperineal standard biopsy in men with clinical suspicion of prostate cancer who have had no prior prostate biopsy.
During a prostate biopsy, a needle is guided through the rectum into the prostate. Although patients are given antibiotics before the biopsy, there is still a risk of bacteria getting from the rectum into the bladder, prostate and bloodstream during the biopsy. For most surgical procedures, the surgical field is cleaned with antiseptic solution, but this is not common practice for prostate biopsies. In this study patients undergoing prostate biopsy will be randomly assigned to ...
With the general acceptance of MRI and technical advances in biopsy technique of the prostate, new questions arise concerning the selection of patients, the approach, the appropriate technique, the lesions to target and the number of biopsies. The purpose of this study is to address these issues in men suspicious of having prostate cancer and without prior biopsies.
This study aims to look at a comparison of liquid biopsy (blood sample) analysis compared with tissue biopsy in patients with advanced lung cancer
This is a review of prostate biopsy specimens which show capsular penetration or positive surgical margins. Patients had surgery performed at William Beaumont Hospital-Royal Oak, Michigan.
Investigators plan to use modified TTMB technology to puncture prostate of participants suspected prostate cancer, especially those with the first negative biopsy , but having a rising PSA.Then, Investigators will simulate the spatial distribution of prostate cancer in patients with positive biopsy before radical prostatectomy by way of the TPS software system . And after the radical prostatectomy ,Investigators will simulate the spatial distribution with the help of large tiss...
The goal of this observational study is to develop a biospecimen archive comprised of tissues and whole blood specimens obtained from a cohort of subjects undergoing a diagnostic evaluation for cancer arising in diverse organ tissues, as well as from a cohort of subjects without cancer. Multiple molecular technologies will be used to identify and assess candidate biomarkers for use in enhancing the understanding of cancer biology and developing tools to improve clinical decisio...
This pilot clinical trial studies transrectal magnetic resonance imaging (MRI)-guided biopsy to see how well it works in identifying cancer in patients with suspected prostate cancer who are scheduled to undergo standard biopsy. Transrectal MRI-guided biopsy uses a thin needle inserted through the rectum into the prostate and takes a sample of tissue, guided by MRI. MRI uses magnets to take pictures of the prostate and may be able to identify cancer. Transrectal MRI-guided biop...
Current standard prostate biopsy techniques, used to definitively diagnose prostate cancer (PC), utilises an ultrasound guided biopsy approach, that offers unsatisfactory specificity and sensitivity for clinical significant PC. This often leads to harmful unnecessary biopsies. To improve the overall detection of clinical significant PC, multiparametric magnetic resonance imaging (mpMRI) has emerged as a new technique that might be useful in selecting the appropriate patient for...
The purpose of this study is to investigate a transperineal biopsy approach (outside of the rectum) using MRI targeting to facilitate better access to the whole prostate gland and provide limited risk of infectious complications after biopsy.
This randomized phase II trial studies how well systematic random biopsy or magnetic resonance imaging (MRI)-ultrasound image (US) fusion biopsy work in diagnosing prostate cancer in patients with elevated prostate specific antigen. Systematic random biopsy and MRI-US fusion biopsy may work better in improving the accuracy of prostate cancer detection.
Title: Local anesthesia for office biopsy of the prostate: effects on pain control, quality of life and surgical intervention. Introduction: Local anesthetic should be administered prior to transrectal needle biopsy of the prostate to control pain in the office setting. Various centers have injected anesthetic in different regions in and around the prostate prior to biopsy. Patient experience with each technique has varied. We would like to determine which procedure p...
The principal aim of this study is to determine if PET/MRI imaging with 18-F fluciclovine (Axumin) identifies those men with false negative MRI fusion targeted biopsy (MRFTB) of PI-RADS 4 and 5 lesions. PI-RADS 4 and 5 MRI lesions are highly suspicious for clinically significant prostate cancer and require future repeat MRI imaging and possible repeat prostate biopsy depending on the results of the repeat MRI. Men, who had negative MRFTB within past 12 months of PI- RADS 4 or 5...
Prostate cancer is currently detected by ultrasound-guided biopsy. Computer-aided diagnostic (CAD) systems based on multiparametric MRI are now capable of detecting most aggressive cancer foci non-invasively, but additional progress is needed for the technique to be accepted in clinical practice. We hypothesize that combining MRI and ultrasound imaging can improve the detection of cancerous tumors. As a first step in this direction, we need to create a database with MR images, ...
The hypothesis of the study is that targeted MRI/US fusion-guided prostate biopsy with additional systematic transrectal ultrasound (TRUS)-guided biopsy significantly detects more prostate cancers than targeted MR-guided in-bore prostate.