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NCT06844383
The purpose of this study is to find out whether talazoparib in combination with enzalutamide or talazoparib alone delays cancer progression in people with metastatic castration-resistant prostate cancer (mCRPC) who have homologous recombination repair (HRR) mutations and have previously received abiraterone acetate.
NCT07332000
Phase 2a, open-label, multi-center study evaluating biomarkers and biodistribution of aglatimagene besadenovec plus valacyclovir in men with localized, intermediate-risk prostate cancer who are planning to receive external beam radiation therapy (EBRT).
NCT07460726
This study looks at how combined radiation and hormone therapy affects sexual function in men with a specific type of prostate cancer, before and after treatment.
NCT06616597
To determine if dexamethasone or dexamethasone plus metronidazole restore sensitivity to abiraterone for the treatment of metastatic prostate cancer.
NCT07115914
This study is about adding PSMA PET (Prostate Specific Membrane Antigen- Positron Emission Tomography) to routine magnetic resonance imaging (MRI) scans to help detect prostate cancer recurrence in men who have undergone focal therapy for prostate cancer. PSMA PET and multiparametric (mpMRI are both imaging tests that help detect prostate cancer in the body. A PSMA PET scan, or prostate-specific membrane antigen positron emission tomography scan, is an imaging test that scans and takes pictures of the prostate. PSMA scans use a specialized radioactive imaging dye that sticks to the proteins that are typically found in prostate cancer cells. This imaging dye helps locate areas of prostate cancer anywhere in the body, both inside and outside prostate. An mpMRI, or a multiparametric (mp) MRI scan, is also an imaging test that scans and takes detailed pictures of the prostate. Unlike regular MRIs, an mpMRI produces a more detailed image of the prostate. Similar to PET scans, mpMRI scans also use an imaging dye that helps the pictures of the prostate appear clearer on scans. This study will be funded by Blue Earth Diagnostics, a molecular imaging company based in England.
NCT07407608
Published clinical evidence confirms that a single dose of 24 Gy provides unprecedented long-term local control in primary and metastatic prostate cancer with safe toxicity profiles, provided that exposure of surrounding healthy tissues is critically assessed with fulfillment of strict constraints and dose distribution is accomplished using image guidance and tracking tools. In the present trial, intermediate unfavorable and selected high-risk organ-confined prostate cancer patients will undergo Single Dose Radiation Therapy (SDRT) With Focal Boost to the MRI-defined Macroscopic Tumor Volume by means of image-guided volumetric intensity-modulated arc radiotherapy (IGRT-VMAT) and state-of-the-art treatment-planning and quality assurance procedures. Androgen Deprivation Therapy (ADT) type and duration has been set as per standard of care, in accordance with current recommendations and guidelines. The results of the study will enable us to find out if the new, shorter treatment (1 doses of radiotherapy), has a similar level of side effects as the 5 dose treatment and is suitable for further study.
NCT07391982
The goal of this clinical trial is to find out whether lowering the radiation dose to parts of the prostate without visible tumor on MRI can reduce side effects while still effectively treating prostate cancer in men with low or intermediate-risk prostate cancer. The main questions it aims to answer are: * Does reducing the radiation dose to healthy prostate tissue lower the risk of bowel and urinary side effects? * Can we maintain good cancer control by keeping a high dose for MRI-visible tumor areas? Researchers will compare two treatment approaches: * One group receives a uniform high dose to the entire prostate. * The other group receives a lower dose to healthy prostate tissue and a high dose only to visible tumor areas. Participants will: * Receive two sessions of MRI-guided radiotherapy using an MR-Linac. * Complete questionnaires about urinary, bowel, and sexual health before and after treatment. * Have follow-up visits to monitor side effects and PSA levels for up to 2 years.
NCT07363382
The gastrin-releasing peptide receptor (GRPR) is highly expressed in prostate cancer (77%-100%). Numerous studies have confirmed that GRPR PET imaging has emerged as a significant molecular imaging modality in prostate cancer, particularly serving as a complementary tool to PSMA PET for addressing cases with negative or insufficient PSMA expression. It demonstrates substantial value in initial staging (especially in intermediate- and high-risk patients), detecting sites of biochemical recurrence, assessing metastatic lesions (notably in mCRPC), and guiding treatment decisions. 68Ga-G21 and 68Ga-G23 are two novel molecular probes targeting GRPR. This study aims to evaluate their biodistribution and diagnostic performance in prostate cancer and compare them with 68Ga-PSMA-11 PET imaging.
NCT07316686
This is a Phase I, open-label, single-center study evaluating the safety, tolerability, and recommended Phase II dose of docetaxel when combined with a fixed dose of 177-Lutetium-PSMA-I\&T in chemotherapy-naïve patients with metastatic castration-resistant prostate cancer (mCRPC). Patients will receive standard androgen deprivation therapy, docetaxel at escalating doses (50 mg/m², 60 mg/m², 75 mg/m² every 3 weeks), and 177Lu-PSMA-I\&T at a fixed dose of 7.4 GBq every 6 weeks (up to 4 cycles). A 3+3 dose escalation design will be employed. Secondary endpoints include safety profile, treatment-limiting toxicities, treatment completion rate, and delayed toxicity. Exploratory endpoints include PSA response, radiographic progression-free survival (rPFS), and PERCIST-based response rate.
NCT07237399
The TA-P-OLIM Study (Percutaneous Thermo-Ablation of Prostate Cancer OligoMetastasis) is a prospective, interventional phase II study designed to evaluate the feasibility, efficacy, and safety of percutaneous thermal ablation (TA) as a metastasis-directed therapy (MDT) for patients with oligometastatic prostate cancer. So far, these metastases have been locally treated with stereotactic body radiation therapy (SBRT) or surgical resection. Percutaneous TA is a minimally invasive technique that locally destroys tumor tissue using either heat (via microwave or radiofrequency ablation) or cold (via cryoablation). This is achieved by inserting specialized needles into the tumor through a small skin incision under image guidance. TA offers a valuable treatment option for patients who are not suitable candidates for SBRT, such as those with prior radiation exposure or metastases located near critical anatomical structures. In many of these cases, ablation remains feasible through the use of adjunctive thermoprotection techniques, where fluid is injected via a needle to gently displace critical structures, thereby creating a safe buffer zone during treatment. Preliminary retrospective evidence shows that TA achieves comparable local tumor control rates to SBRT/resection with minimal complications.7 As a minimally invasive procedure, TA typically requires only a brief hospital stay-often on an outpatient basis-and enables rapid recovery. This makes TA an attractive alternative to surgery, which is associated with greater morbidity, longer recovery times, and limited suitability for some patients. In contrast to SBRT, TA also allows for simultaneous tissue sampling which is completed in a single session. Moreover, it can be safely repeated in the event of local recurrence. The study focuses on patient-centered endpoints such as local control and tolerability, aiming to improve quality of life through personalized, minimally invasive treatment strategies. TA also offers an effective local treatment option for patients who are not eligible for standard treatments such as SBRT. In this way, an alternative to both SBRT and surgery is provided, enabling continued local treatment for patients. Patients are eligible if they have previously received radical treatment for prostate cancer (surgery or radiotherapy, with or without hormonal therapy), subsequently developed a limited number of metastases (1-5), and are no longer candidates for or deny SBRT. UZ Ghent, with its long-standing research expertise in metastasis-directed therapies for oligometastatic prostate cancer, coordinates the study. The project was established in collaboration with various departments within the Urological Multidisciplinary Tumor Board. Several centers in East and West Flanders have already confirmed their willingness to participate in the study.
NCT06862856
The purpose of this study is to assess detection rate of flotufolastat F 18 positron emission tomography (PET) for low prostate specific antigen (PSA) recurrence of prostate cancer (PC) following radical prostatectomy.
NCT06655064
The purpose of this observational research registry is to understand the real-world use of Illuccix PET/CT in prostate cancer, and how results from this testing impact patient's treatment and prostate cancer journey over time. It will follow subjects and the diagnostic testing and therapy they receive for their prostate cancer. Subjects will not be administered any medical diagnostic testing or therapy that they would not have normally undergone outside of participation in the registry.
NCT06931496
The investigators are interested here in the contribution of a new prostate cancer screening method and, more specifically, in the new and somewhat futuristic approach of artificial intelligence in the development of new, more accurate algorithms that make it possible to rethink the benefits of mass generalisation of prostate biopsies. Main objective The main objective of this research is to use artificial intelligence and an associated algorithm to identify new indicators that would make it possible to avoid a prostate biopsy in patients with an initial suspicion of prostate cancer.
NCT06926374
Robotic assisted surgery has been performed for more than two decades with good success and safety profile. However, there was only one dominating robotic surgical system available in the past which led to high cost for robotic surgery. Recently, a new robotic surgical system (Sentire Robotic Surgical System) was introduced by researchers of The Chinese University of Hong Kong (CUHK). This new robotic surgical system aims to achieve similar outcomes and standards of robotic surgery performed using the dominating system but with a significantly lower cost. The technologic innovation and development of this new robotic system is made by the Cornerstone Robotics Limited, which is based in Hong Kong. In a pilot clinical study conducted at Prince of Wales Hospital involving 55 patients, the Sentire Robotic Surgical System had demonstrated high success rate with minimal complications in patients who underwent robotic colorectal, upper gastrointestinal, and urologic surgery. Researchers of CUHK would therefore like to conduct another prospective study to further evaluate the efficacy and safety of Sentire Surgical System C1000 in major gastrointestinal and urologic surgery with expanded indications. It is believed that the results of this study will provide data to support its use for wide range of procedures with minimal access trauma, for the benefit of patients. This system will also lead to a wider range of clinical application for minimally invasive surgery with a cost-effective model.
NCT06865547
This is a Phase 4, multi-center, single arm, open-label clinical study to evaluate whether participants with mHSPC treated with apalutamide will benefit from the 4A ProActive Management Model. The study will include a Screening Period of up to 14 days before assignment on Day 1 to establish study eligibility. Participants will get 4A ProActive Management according to the protocol . As the background disease treatment, participants will received apalutamide according to local label (240 mg, 4 × 60 mg tablets, orally once daily with or without food) with duration of at least 6 months. Participants will have a Safety Follow-Up Visit within 30 days after the Visit 7. Participants will be monitored for safety, starting from the time of signing the informed consent until 30 days after the Visit 7. AEs including laboratory AEs will be graded and summarized using Version 5.0 of the National Cancer Institute Common Terminology Criteria for Adverse Events.
NCT06612580
68Ga-AAZTA-093 is a novel radiotracer incorporating a hypoxia sensitive nitroimidazole(NI)-moiety and a PSMA-targeting. In this study, we observed the safety, biodistribution, radiation dosimetry and diagnostic value of 68Ga-AAZTA-NI-093 PET/CT in patients with prostate cancer.