View clinical trials related to Prostate Cancer.
Filter by:Radiation therapy is one of the standard treatments for men with prostate cancer who have detectable levels of prostate specific antigen (PSA, a prostate cancer specific marker) after surgery. When radiation therapy is given to patients who have an increase in PSA after surgery, it is called "salvage radiation therapy". Currently the standard radiation therapy course length for this type of cancer is around 7 ½ -8 weeks. Sometimes, radiation therapy after prostate removal causes unpleasant side effects. A shorter course of radiation therapy, known as a "hypofractionated" course, gives fewer but higher doses of radiation than standard radiation. The purpose of this study is to test the safety of a shorter course of radiation therapy at progressively lower dose levels and shorter lengths of treatment (hypofractionated) with patients who have had their prostate removed. The study will assess whether the hypofractionated course works better without causing additional side effects to the remaining cancer cells in the prostate bed.
The purpose of the study is to determine the safety and clinical benefit of the combinations of abiraterone acetate and prednisone or abiraterone and dexamethasone in prostate cancer patients. Prednisone will be given at one of three different dose schedules. Dexamethasone will be given at one dose schedule. This will include looking at what side effects occur and how often they occur. In addition the impact of the study drug on quality of life and pain will be evaluated. The study will also collect data on subsequent treatment of patients after they come off the study drug (approximately 4.5 years after the start of study treatment of the first subject participating in the study). By analyzing blood samples, the study aims to identify if some markers could help to understand if the treatment with abiraterone is effective and also help to understand if patients can become resistant.
Background: - Prostate cancer is the most common cancer type among men. Some prostate cancers respond to hormonal therapy. However, some cell characteristics of other prostate cancers cause it not to respond as well to these therapies. Researchers want to see if gadoxetate, a contrast agent used to help identify damaged liver tissue, can help tell these types of prostate cancer apart. It may be able to identify if a man has a type of prostate cancer for which hormone therapy may not work as well. Objectives: - To see if gadoxetate can help identify different types of prostate cancers during imaging studies. Eligibility: - Men at least 18 years of age who have prostate cancer. Participants will be having surgery to either remove the prostate or take tumor tissue samples. Design: - Participants will be screened with a physical exam and medical history. Blood samples will be collected. - Participants will have a magnetic resonance imaging (MRI) scan of the lower torso. They will receive gadoxetate during the MRI scan. - Participants who have surgery will have a sample of their tumor cells collected. Those who have a biopsy will provide cells from this biopsy for study. - Treatment will not be provided as part of this study.
Background: - Enzalutamide is a hormone therapy that is used to treat advanced prostate cancer. It is given after chemotherapy and surgery to help the body destroy the cancer cells. A new possible way of treating prostate cancer is using a vaccine that may help stimulate the immune system. It will help white blood cells recognize and kill the cancer cells in and around the prostate. Researchers want to see whether this vaccine, given with enzalutamide, is more effective at treating advanced prostate cancer than enzalutamide alone. Objectives: - To compare the safety and effectiveness of enzalutamide with and without vaccine therapy for advanced prostate cancer. Eligibility: - Men at least 18 years of age who have advanced castration-resistant prostate cancer. Design: - Participants will be screened with a physical exam and medical history. Blood and urine samples will be collected. Imaging studies will be used to monitor the cancer before treatment. - Participants will be separated into two groups. One group will have enzalutamide and the study vaccine. The other group will have enzalutamide alone. - All participants will take enzalutamide once a day. They will take the drug during 4-week cycles of treatment. - Treatment will be monitored with frequent blood tests and imaging studies. Participants will continue to take the study drug for as long as the cancer does not grow, and the side effects are not severe. - The vaccine group of participants will also have the new study vaccine. They will have a single injection on the first day of the first study cycle. There will be regular booster injections afterward. There will be one on day 15 of the first cycle, the first day of the second cycle. The vaccine will then be given every 4 weeks for the next four cycles, and then every 12 weeks (every 3 cycles) thereafter. Participants will continue to have the study vaccine for as long as the cancer does not grow, and the side effects are not severe.
Prostate cancer has been the most common cancer in men in Finland over the last ten years. Prostate-specific antigen (PSA) plays an important role in screening of prostate cancer. However, PSA has a limited sensitivity and specificity for prostate cancer detection. Commonly, the diagnosis of prostate cancer is done by transrectal ultrasonography (TRUS) guided biopsy. Due to the low accuracy of TRUS, a systematic biopsy is usually performed instead of targeted TRUS biopsy. As biopsy carries a risk of increase in complications, there is an increasing interest in developing more accurate non-invasive imaging modalities. This study will enroll 150 men with clinical suspicion of prostate cancer due to higher serum level of PSA than 2.5 ng/ml and/or abnormal digital rectal examination. Multiparametric magnetic resonance imaging (mpMRI) at 3 Tesla (T) magnetic field using surface coils will be used to non-invasively predict the presence or absence of prostate cancer. Targeted TRUS guided biopsy based on MRI findings will be performed in addition to routine twelve core TRUS biopsy. Moreover, selected serum and urine biomarkers as well as biomarkers extracted from fresh biopsy sample will be collected and correlated with the presence or absence of prostate cancer.
Some men newly diagnosed with prostate cancer do not require immediate treatment. Rather, they can be followed closely with regular physical exams, blood work and repeated biopsies of the prostate. If the prostate cancer is becoming more aggressive, curative treatment can be offered at that time. This strategy of delaying treatment until necessary is called active surveillance in prostate cancer. Active surveillance is a way of monitoring prostate cancer which aims to avoid or delay unnecessary treatment in men with less aggressive cancer. Prostate cancer can be slow growing and, for many men, the disease may never progress or cause any symptoms. In other words, many men with prostate cancer will never need any treatment. Treatments for prostate cancer may cause side effects which can affect your quality of life. By monitoring the cancer with regular tests, you can avoid or delay these side effects. Active surveillance is generally suitable for men with low risk early stage prostate cancer that is contained within the prostate gland (localized prostate cancer). If doctors had a better way of identifying who might be best suited for this approach, it would likely become more appealing for more men. In this study, the investigators are looking at how accurate a magnetic resonance imaging (MRI) scan is at identifying high-risk prostate cancer, which might make a man a poor candidate for active surveillance. To do this, the investigators are collecting data from the MRI scan of men and comparing it to a trans-rectal biopsy performed following the scan. The results of this study will help inform doctors how accurate the MRI is in identifying men who should not be on active surveillance.
This study will investigate the safety, tolerability, and effectiveness of giving a higher dose to the part of the prostate which contains the cancer while giving a standard radiation dose to the entire prostate. The investigators have hypothesized that this treatment technique will effectively control the prostate cancer while minimizing the side effects.
The purpose of this study is to determine whether using the P3P website can increase decisional preparation and satisfaction, and decrease decisional conflict, in men deciding how to manage early stage prostate cancer.
This research study is being done to measure the clinical benefit associated with cabozantinib (XL184) in men who have prostate cancer that has spread to visceral organs (organs other than bone or lymph nodes) and no longer responds to initial hormonal (castration) therapy. This type of prostate cancer is called metastatic, castrate-resistant prostate cancer.
This is a clinical trial designed to quantify the immune response and determine the tolerability and side effects of sipuleucel-T when given in combination with ipilimumab for patients with advanced prostate cancer.