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Prostate Cancer clinical trials

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NCT ID: NCT04926181 Not yet recruiting - Prostate Cancer Clinical Trials

Apalutamide Plus Cetrelimab in Patients With Treatment-Emergent Small Cell Neuroendocrine Prostate Cancer

Start date: July 31, 2021
Phase: Phase 2
Study type: Interventional

Despite the low androgen receptor (AR) transcriptional activity of treatment-emergent small cell neuroendocrine prostate cancer, there is persistent AR expression observed in the majority of treatment-emergent small-cell neuroendocrine prostate cancer (t-SCNC) biopsies. This indicates that epigenetic dysregulation leads to reprogramming away from an AR-driven transcriptional program. Therefore, continuation of AR blockade in the form of apalutamide may provide additive benefit compared to immune checkpoint blockade alone. We hypothesize that the combination of apalutamide plus cetrelimab will achieve a clinically significant composite response rate with sufficient durability of response in mCRPC patients with evidence of treatment-emergent small cell neuroendocrine prostate cancer

NCT ID: NCT04925180 Not yet recruiting - Prostate Cancer Clinical Trials

A Study to Learn About the Awareness and Knowledge That Doctors Have About the Safety and Safe Use Information for Androcur and Other Cyproterone Acetate Treatments in Europe

Start date: September 13, 2021
Study type: Observational

Androcur is a type of treatment called cyproterone acetate (CPA). Androcur and other CPA treatments work by blocking a group of male sex hormones called androgens in the body. It can be given to men and women to treat conditions that are caused by higher levels of androgens. CPAs, including androcur, are currently available as treatments for doctors to give to patients who have these types of conditions. But, in a study, researchers found that participants had a certain medical problem when they took CPAs for a long time. This medical problem was a tumor of the brain or spinal cord that is mostly not malignant and is called meningioma. This eventually led health authorities to change the instructions for how doctors should use CPAs to treat patients. This included what health conditions should be treated with CPAs, how long patients should receive them, and what dose of CPA should be given. In this study, the researchers want to learn more about how doctors are using CPAs to treat patients after the update to the instructions. To answer this research question, they will give to the doctors a web-based questionnaire asking about the advisability or necessity of the treatment (also called "indications of approved use"), the measures to be followed to reduce the risk and how much the doctors knew about the risk of meningioma. The researches will then analyze the answers to the questionnaire. The results will be the percentage of physicians with correct answers for each individual knowledge question from the questionnaire. The study will include information collected from a diverse sample of doctors during approximately 3 months. The doctors must have given CPAs as a treatment to at least 1 patient in the last 12 months. There are no required visits or tests in this study.

NCT ID: NCT04924218 Completed - Prostate Cancer Clinical Trials

Evaluation of the Effect of Endoscopic Urethral Procedures Applied After Radical Prostatectomy on Urinary Incontinence

Start date: November 15, 2020
Phase: N/A
Study type: Interventional

The researchers investigated whether endoscopic retrograde urethral interventions applied for various reasons after radical prostatectomy (RP) operation cause a change in urinary incontinence (UI) level, and if there is a change, whether it changes according to the endoscopic procedure time and the endoscopic instrument used.

NCT ID: NCT04905069 Not yet recruiting - Prostate Cancer Clinical Trials

Effectiveness of the SpaceOAR Vue System in Subjects With Prostate Cancer Being Treated With Stereotactic Body Radiotherapy

Start date: August 2021
Phase: N/A
Study type: Interventional

To demonstrate the effectiveness of the SpaceOAR Vue System in reducing late gastrointestinal (GI) toxicity in subjects undergoing Stereotactic Body Radiotherapy (SBRT) to treat prostate cancer.

NCT ID: NCT04897958 Active, not recruiting - Prostate Cancer Clinical Trials

Replication of the PRONOUNCE Prostate Cancer Trial in Healthcare Claims Data

Start date: September 21, 2019
Study type: Observational

Investigators are building an empirical evidence base for real world data through large-scale replication of randomized controlled trials. The investigators' goal is to understand for what types of clinical questions real world data analyses can be conducted with confidence and how to implement such studies.

NCT ID: NCT04896801 Not yet recruiting - Prostate Cancer Clinical Trials

MR-guided Prostate Stereotactic Body Radiotherapy in Seven Days

Start date: July 2021
Phase: Phase 2
Study type: Interventional

The Proseven trial is a phase II study that will evaluate the toxicity and efficacy of MR-guided stereotactic body radiotherapy (SBRT) in the profound hypofractionated treatment of prostate cancer. Patients will be treated in 5 daily fractions within a short overall treatment time (OTT) of 7 days. A simultaneous integrated boost (SIB) will be delivered to the intraprostatic dominant lesion (if present) in this study. Besides a potential biological impact of this innovative prostate SBRT treatment, the reduced OTT offers also benefits in terms of patient convenience. The primary endpoint is clinician reported grade 2 or more acute gastrointestinal (GI) and genitourinary (GU) toxicity, assessed using CTCAE v 5.0 and RTOG, measured up to 3 months after the first treatment fraction.

NCT ID: NCT04895839 Not yet recruiting - Prostate Cancer Clinical Trials

Predictors of Mental Health in Men With Prostate Cancer Undergoing a Patient Empowerment Program

Start date: September 1, 2021
Phase: N/A
Study type: Interventional

Each year over 20,000 men are diagnosed with prostate cancer in Canada with the majority undergoing some form of treatment option. Radical prostatectomy and/or radiation therapy are common procedures that are effective in the treatment of prostate cancer. However, they typically incur both short- and long-term side effects (e.g. urinary incontinence, sexual dysfunction, reduced physical function, etc) that can negatively impact one's quality of life. This program of research aims to address the most critical needs of PC survivors: the development and evaluation of interventions to address the quality of life impact of PC. This study will test the Prostate Cancer Patient Empowerment Program (PC-PEP) in 400 men, a comprehensive intervention aimed at educating and teaching the men life skills/habits in order to improve their mental health issues, fitness levels and overall quality of life, and to decrease treatment related side effects. The program also aims to improve the overall health of the participants in the long term.

NCT ID: NCT04894188 Not yet recruiting - Prostate Cancer Clinical Trials

Neoadjuvant Hormone and Radiation Therapy Followed by Radical Prostatectomy in Patients With High-Risk Prostate Cancer

Start date: July 1, 2021
Phase: N/A
Study type: Interventional

RATIONALE: Radiation therapy uses high-energy x-rays to damage tumor cells. Androgens can stimulate the growth of prostate cancer cells. Hormone therapy can fight prostate cancer by androgen deprivation. It is not yet known if neoadjuvant radiation therapy is a more effective therapy for high-risk prostate cancer. PURPOSE: Two-stage randomized trial to compare the effectiveness and safety of neoadjuvant radiotherapy and hormone therapy followed by radical prostatectomy in men with high-risk locally advanced prostate cancer

NCT ID: NCT04892914 Recruiting - Prostate Cancer Clinical Trials

Embr Thermal Device for Hot Flash Management in Prostate Cancer

Start date: May 28, 2021
Phase: N/A
Study type: Interventional

This study is being conducted to evaluate if the Embr thermal device is useful for men who experience hot flashes as a result of prostate cancer treatment.

NCT ID: NCT04891536 Recruiting - Prostate Cancer Clinical Trials

Salvage Cryotherapy for Recurrent Prostate Cancer After Radiation Therapy

Start date: May 1, 2021
Phase: N/A
Study type: Interventional

The main objective of this project is to establish a shared comprehensive and systematic protocol for a multicenter prospective registry of patients undergoing salvage cryoablation of the prostate (SCAP). Our study hypothesis is that SCAP constitutes an effective and safe approach to treat local prostate cancer recurrence after brachytherapy or external beam radiation therapy (EBRT).