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NCT07550517
This research is being done to find out if the study drug, 177Lu-PSMA-617, given before and during standard of care External Beam Radiation Therapy (EBRT) treatment, with a shorter course of Androgen Deprivation Therapy (ADT) (6 months) is (1) safe and effective compared to standard of care alone, and (2) can reduce the side effects caused by long-term (24 months) ADT in men with high risk localized prostate cancer.
NCT07450599
Researchers are looking for a better way to treat men who have high-risk localized prostate cancer, which refers to a type of prostate cancer that is still confined to the prostate gland but has certain characteristics that make it more likely to grow and spread. The study treatment darolutamide plus androgen deprivation therapy (ADT) is under development as treatment before surgery for men who have high-risk localized prostate cancer. Darolutamide works by blocking the attachment of androgen hormones to androgen receptors in cancer cells, thereby blocking cancer progression and growth. ADT is an established treatment that is used to lower the amount of androgen hormones (e.g., testosterone) in the body. The main purpose of this study is to learn how the cancer responds to the two different treatment durations (12 weeks or 24 weeks) of darolutamide combined with ADT used before the men undergo surgery to remove the prostate. For this, the researchers will compare the percentage of participants who either achieve complete response to the treatment (where no cancer cells are found) or with condition of minimal residual disease after the treatment (where only a small amount of cancer cells remains). The study participants will be randomly (by chance) assigned to one of two treatment groups. Depending on the group, they will receive darolutamide tablets by mouth plus ADT administered under the skin for either 12 weeks or 24 weeks. No more than 30 days after the end of the treatments, study participants will be performed with surgery to remove the prostate. Each participant will be in the study for approximately 29 to 32 months, including a screening phase of up to 28 days, 12 weeks or 24 weeks of treatment depending on the treatment groups, followed by the surgery no more than 30 days after the treatment, and a follow up phase of up to 2 years after the surgery. 2 visits to the study site are planned during the screening phase, followed by 3 to 6 visits (every 28 days) during treatment. The treatment period ends with a visit within 7 days after the last dose of treatment. During the study, the doctors and their study team will: * take blood and urine samples * check the participants' health parameters * do physical examinations * check if the participants' cancer has grown and/or spread using CT (computed tomography) or MRI (magnetic resonance imaging) and, if needed, bone scan * take tumor samples * ask the participants questions about how they are feeling and what adverse events they are having. An adverse event is any medical problem that a participant has during a study. Doctors keep track of all adverse events, irrespective if they think it is related or not to the study treatments. About 30 days after the last dose of treatment, 5 weeks after the surgery and every 12 weeks thereafter, the study doctors and their team will check the participants' health and any changes in cancer. This follow-up period ends 2 years after the surgery.
NCT06117059
The investigators want to investigate whether it is possible to reduce the number of curative radiotherapy doses from 5 to only 3 for men with localized early prostate cancer. The aim of the study is to ensure that the side effects of the 3-dose treatment are the same or potentially lower than those already published when using the 5-dose treatment as used in the UK PACE-B trial (NCT01584258). The name of this type of radiotherapy is Stereotactic Body Radiotherapy (SBRT) or participants may see it referred to as Stereotactic Ablative Radiotherapy (SABR). The study is a two-stage single arm Phase II study open to those Centres that use the RayPilot HypoCath tumour tracking system (Micropos Medical). This commercially available system was not available at the time of the original PACE-B study. The system acts like a Global Positioning Device (GPS) to continuously track the prostate position during radiotherapy. If the prostate moves more than 2mm (about 0.08 in) from its intended position during the treatment, then the radiotherapy team are alerted, and the treatment halted until the prostate moves back into the correct position. The ability to understand exactly where the prostate is throughout the treatment ensures the intended dose hits the cancer and does not accidentally increase the dose to the nearby bladder and rectum. The system is a modification of a standard urinary catheter which sits within the bladder with the GPS placed within the wall of the catheter as it passes through the prostate. The investigators are not testing the system as it is commercially available but using it to improve the accuracy of radiotherapy delivery, reducing the number of days of treatment, minimizing side effects and helping ease the burden on busy radiotherapy Departments.
NCT06325774
The aim of this trial is to study the safety outcomes of hypofractionated radiotherapy in treating patients with localized prostate cancer. Hypofractionated radiotherapy delivers higher doses of radiotherapy in a shorter time period, may enabling the killing of more tumor cells with fewer side effects. Accumulating evidence has proven the safety and feasibility of hypofractionated radiotherapy for localized prostate cancer.But for localized prostate cancer,the optimal dose per fraction of hypofractionated radiotherapy is still on its way.
NCT01931046
The purpose of this study is to evaluate the safety and effectiveness of AD5-SGE-REIC/Dkk-3 in patients with localized prostate cancer.
NCT02297386
The purpose of this study is to test the ability of a new PET scan radiotracer, called FDHT (stands for \[18F\] Dihydro-Testosterone), to better find and monitor prostate cancer. Radiotracers are a type of drug that carries small amounts of radioactivity that can be seen by the PET scanner. FDHT is a radiotracer that looks for a protein which is present in almost all prostate cancer cells. The investigators want to find out if we can find and monitor changes in cancer using a FDHT PET scan.
NCT02662673
Focal treatment of localized prostate cancer aims to destroy the cancerous foci without damaging surrounding tissues to avoid the side effects of radical treatments. This is why focal treatment is positioned as an alternative to radical surgery as well as an alternative to active surveillance. This study is a feasibility study. It aims at treating the index tumor (the most aggressive one) which determines the vital prognosis of patient, while preserving the maximum surrounding prostatic tissue to preserve quality of life. The expected result is the total destruction of aggressive tumor areas by focal or multifocal treatment strategy using the Focal One® device (EDAP-TMS, Vaulx-en-Velin, France). The tumor destruction is validated by the negative biopsy rate between 6 and 12 months post-treatment.
NCT00196781
We plan to test the effectiveness of a recently developed computer-based program that is designed to improve patient knowledge about prostate cancer treatments. It is also designed to help men clarify their values using a computer-based 'decision aid.' A decision aid gives patients tools to help them understand their own values and how these values may be related to their choice of different forms of therapy for prostate cancer. In order to test the effectiveness of the decision aid, men will be assigned on a chance basis to receive either 1) the computer program that includes the information about prostate cancer treatments alone, or 2) the computer program that contains both the information and the decision aid. We expect that men in decision aid group will be more active in their treatment decision and will have improved knowledge, quality of life, and satisfaction with the treatment decision relative to men who only receive the information.