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Prostate Cancer clinical trials

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NCT ID: NCT03339531 Completed - Prostate Cancer Clinical Trials

Optimized 2D-RT for Prostate ca

Start date: February 2, 2015
Phase: N/A
Study type: Interventional

Prostate cancer (CAP) is one of the most common malignancies in men, both in Western countries and developing countries. Radiation therapy (RT) is an important therapeutic option. New technologies (3D, IMRT, IGRT, VMAT) have been introduced in the last decades, with a progressive improvement of clinical outcome. However, in many countries the only treatment option is the traditional 2D technique based on standard simulation. The indications for field definition in this treatment are still based on expert's opinions. The aim of this analysis is to propose new indications for 2D fields definition based on three-dimensional simulation in a population of patients with CAP. Twenty patients with CAP consecutively treated with RT in our center were identified. Patients underwent CT-simulation in supine position. Pelvic MRI images were fused with CT-simulation images. In this way, delineation of the prostate and seminal vesicles was performed on MRI images. Clinical Target Volume definition (CTV) was performed according to EORTC guidelines simulating 4 different categories: low-risk CAP, intermediate-risk CAP, high-risk CAP without involvement of the seminal vesicles, and high-risk CAP with involvement of seminal vesicles. The Planning Target Volume (PTV) was defined by adding a margin of 10 mm to the CTV in all directions. For each patient, 8 treatment plans were calculated. In particular, for each of the 4 categories of risk, 2 treatment plans were calculated by using a cobalt source or 10 MV photons. Treatment plans were calculated using the box technique. Progressive optimization was realized with an iterative procedure by evaluating the three-dimensional dose distribution. Once the final plan was achieved (respecting the PTV constraint: D98 > 95%), distances of the fields edges from a set of reference points were measured.

NCT ID: NCT03331068 Completed - Prostate Cancer Clinical Trials

French Validation of the Memorial Anxiety Scale for Patients With Prostate Cancer.

Start date: April 26, 2016
Phase: N/A
Study type: Observational

A specific scale allowing the measure of anxiety of patients with protate cancer has been designed and validated but the French version needs to be validated. This study aims at validating the French translation of this scale.

NCT ID: NCT03321149 Completed - Prostate Cancer Clinical Trials

Reducing Sedentary Behavior Among Prostate Cancer Survivors on Androgen Deprivation Therapy

Start date: July 1, 2015
Phase: N/A
Study type: Interventional

The current study aimed to develop and assess an easy-to-use, highly accessible mobile and web-based application intervention to reduce sedentary behavior and increase physical activity in the hope of reducing the side effects of treatment and improving quality of life for the 13,000 or more prostate cancer survivors who are prescribed ADT each year in Canada. The study was conducted in two phases, where Phase one was focused on finding out about the attitudes and perceptions of sedentary behavior and the use of mobile applications among prostate cancer survivors using semi-structured interviews. Together with professional experts and a group of men who were diagnosed with prostate cancer, we developed RiseForTx - an application that is used on a smartphone or tablet to reduce time spent in, and to change patterns of, sedentary behaviour each day (Phase two). Part of the intervention was also focused on increasing daily steps to improve physical activity. We tested the intervention to examine (i) how the application works, (ii) if prostate cancer survivors like it and use it; and (iii) if sedentary behaviour and physical activity can reduce the impact of the side effects for treatment and improve quality of life among men on ADT.

NCT ID: NCT03297385 Completed - Prostate Cancer Clinical Trials

Dynamics of Androgen Receptor Genomics and Transcriptomics After Neoadjuvant Androgen Ablation

Start date: August 28, 2014
Phase: Phase 2
Study type: Interventional

Rationale: Understanding the mechanisms of enzalutamide as an androgen receptor inhibitor in early prostate cancer could lead to improved patient selection for treatment. Objective: To study the effects of enzalutamide on surgical margin status and AR / DNA interaction and gene expression. Intervention : Men with localized prostate cancer will undergo an additional set of targeted tumor biopsies and will be subsequently treated with 3 months of enzalutamide. The prostatectomy specimen will be additionally sampled, ex vivo.

NCT ID: NCT03271502 Completed - Prostate Cancer Clinical Trials

Effect of Anesthesia on Optic Nerve Sheath Diameter in Patients Undergoing Robot-assisted Laparoscopic Prostatectomy

Start date: September 4, 2017
Phase: N/A
Study type: Interventional

The purpose of this study was to evaluate the difference between the optic nerve sheath diameter measured during total intravenous anesthesia and the optic nerve sheath diameter measured during inhalation anesthesia in patients undergoing robot-assisted laparoscopic prostatectomy.

NCT ID: NCT03233672 Completed - Prostate Cancer Clinical Trials

Hypo-fractionated Postoperative IMRT in Prostate Cancer

Start date: September 18, 2007
Phase: N/A
Study type: Interventional

To report the outcome of hypo-fractionated radiotherapy after radical prostatectomy (RP) for prostate cancer (PCa) using IMRT-SIB. 124 patients with PCa at high risk of relapse after RP or diagnosis of biochemical relapse were included. Patients received 62.5 Gy to the prostate bed (PB) and 45 Gy to pelvis nodes in 25 fractions. Androgen suppressive therapy was prescribed based on NCCN risk categories. Median follow-up was 30 months.

NCT ID: NCT03214055 Completed - Prostate Cancer Clinical Trials

Effect of Mannitol on Optic Nerve Sheath Diameter in Patients Undergoing Robotic Prostatectomy

Start date: July 12, 2017
Phase: N/A
Study type: Observational [Patient Registry]

We aim to evaluate the change in optic nerve sheath diameters as a surrogate of intracranial pressure before and after mannitol administration in patients who undergo robot assisted laparoscopic radical prostatectomy with pneumoperitoneum and Trendelenburg position.

NCT ID: NCT03211104 Completed - Prostate Cancer Clinical Trials

Comparison of Duration of Treatment Interruption With or Without Curcumin During the Off Treatment Periods in Patients With Prostate Cancer Undergoing Intermittent Androgen Deprivation Therapy

Start date: August 30, 2007
Phase: N/A
Study type: Interventional

This was a placebo-controlled, double-blind, randomized trial designed with the aim of establishing whether curcumin influenced the duration of treatment interruption and rate of prostatic specific antigen(PSA) progression, compared with placebo among men with prostate cancer receiving intermittent androgen deprivation therapy.

NCT ID: NCT03209492 Completed - Prostate Cancer Clinical Trials

Special Drug Use Surveillance of Leuplin PRO for Injection Kit 22.5 mg for "Prostate Cancer"

Start date: April 1, 2016
Phase: N/A
Study type: Observational

The purpose of this study is to evaluate the safety in patients with prostate cancer receiving the drug in the routine clinical setting.

NCT ID: NCT03169933 Completed - Prostate Cancer Clinical Trials

Combined, Intensified and Modulated Adjuvant Therapy in Prostate Carcinoma

Start date: January 2, 2004
Phase: N/A
Study type: Interventional

Patients with high risk prostate cancer may benefit from radiotherapy after radical prostatectomy. The investigators postulated that adjuvant androgen deprivation therapy (ADT), radiation dose escalation, and selective pelvic irradiation may improve outcome. A phase II trial was designed to prove that combined-intensified-modulated-adjuvant (CIMA) treatment may improve 5-year biochemical relapse free survival (bRFS) from 75% to 90% in high risk patients. The delivered dose to tumor bed and pelvic nodes was 64.8-70.2 Gy and 45 Gy (57% of patients), respectively, and 69% received ADT.