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NCT05593497
The purpose of this study is to learn about how an investigational drug intervention completed before doing prostate surgery (specifically, radical prostatectomy with lymph node dissection) may help in treatment of high risk localized prostate cancers that are most resistant to standard treatments. This is a phase II research study. For this study, capivasertib, the study drug, will be taken with intensified androgen deprivation drugs (iADT; abiraterone and leuprolide) prior to radical prostatectomy. This study drug treatment will be evaluated to see if it is effective in shrinking and destroying prostate cancer tumors prior to surgery and to further evaluate its safety prior to prostate cancer surgery.
NCT07027124
This is a single-arm, phase II study of neoadjuvant combination therapy of Androgen Deprivation Therapy (ADT), \[Gonadotropin-Releasing Hormone (GnRH) agonist Leuprolide\], androgen receptor (AR)-antagonist Darolutamide and Pembrolizumab in a stratified high-risk localized prostate cancer cohort, followed by adjuvant treatment with Pembrolizumab (12 cycles) post-radical prostatectomy (RP). Patients with National Comprehensive Cancer Network (NCCN) high-risk non-metastatic prostate cancer (localized or locally advanced) (defined as Gleason ≥8, disease stage \>=cT3a, or PSA l \>20 ng/mL) will be risk-stratified at a biopsy using Decipher, a commercial standard-of-care diagnostic assay. Patients satisfying all three criteria of high-risk genomic characteristics listed below as per the Decipher grid results will be enrolled in the study: 1. Decipher Genomic classifier, GC\>0.6 2. AR activity score/AR-output gene signature (ARoS)\>11.0 3. High Luminal B score/ PAM50 subtype signature
NCT06888102
This is an open-label, non-randomized, exploratory platform protocol designed to assess the safety and antitumor activity of epigenetic therapies in participants with localized prostate cancer who are undergoing radical prostatectomy. The epigenetic therapy is intended to increase the sensitivity of the underlying tumor to the patient's immune system. The platform study will evaluate safety, biomarkers, and clinical activity of an epigenetic therapy. The particular details relevant to each module within this platform study will be provided as appendices to the core protocol.
NCT07357259
Recent evidence suggests that both standard-time and delayed-time \[⁶⁸Ga\]Ga-PSMA PET acquisitions can reveal clinically relevant findings, and neither phase should be excluded a priori in routine practice. This study evaluates a streamlined dual-phase protocol consisting of: * A standard whole-body PET/CT acquisition performed 60 minutes after radiotracer administration. * A delayed pelvic PET-only acquisition performed 90 minutes post-injection, reconstructed using the attenuation-correction CT (CT/AC) obtained from the initial whole-body scan. Because the prostate gland and pelvic lymph nodes exhibit minimal physiological mobility, accurate PET-CT anatomical correspondence can be maintained through careful patient repositioning, without repeating the CT scan. The main advantage of this protocol is a reduction in patient radiation exposure, as the delayed phase does not require a second CT scan. It also reduces in-department time and maintains diagnostic quality of PET interpretation, provided that the PET-CT alignment remains acceptable. This method may additionally enhance workflow efficiency in the Nuclear Medicine Unit by allowing early identification-based on predefined clinical parameters-of patients most likely to benefit from delayed pelvic imaging.
NCT07054346
There is evidence that Actinium-225 Prostate-Specific Membrane Antigen (225Ac-PSMA) has a potentially higher level of efficacy than 177 Lutetium Prostate-Specific Membrane Antigen (177Lu-PSMA) as a radioligand therapy. This single center, pilot study will compare differences in the mechanisms of actinium-225 and lutetium-177 radioligand therapies (RLT) in participants with high or very high risk localized or locoregional prostate cancer planning on undergoing a prostatectomy.
NCT03541928
This is a prospective phase II study to assess the efficacy and toxicity of HSV-tk+ valacyclovir gene therapy in combination with androgen deprivation therapy, brachytherapy, external beam radiotherapy, and prostatectomy in previously untreated high-risk prostate cancer.
NCT01800058
The detection and quantification of Circulating tumor cells CTCs in peripheral blood of patients with prostate adenocarcinoma may be useful at least for: Getting a correct stratification of patients with high-risk prostate cancer (PCa). Set the prognosis at baseline. Evaluate the response to different treatments (predictive value and monitoring). Establish individualized therapies.