Active clinical trials for "Prostatic Neoplasms"

Prostate cancer patients for whom a F-18-FCH PET/CT is indicated. Ga-68-NODAGA-MJ9 is a new PET/CT radiotracer aiming at giving complementary information : more precise images and early localisation of recurrence to standard imaging

This retrospective cohort study will assess the association of benign prostatic hyperplasia (BPH) treatment (5-alpha reductase inhibitors (5ARI) and alpha-blocker medications) with the occurrence of prostate cancer related mortality. This study will also assess a number of secondary endpoints including prostate cancer mortality or metastatic prostate cancer, and all cause mortality.

In this open randomized controlled trial, we seek to study whether prostate cancer screening using multiparametric prostate magnetic resonance imaging (mpMRI) improves the detection rate of clinically-significant prostate cancer (defined as Gleason score ≥7 on prostate biopsy) compared with prostate cancer screening using prostate-specific antigen (PSA). The current paradigm of prostate cancer screening relies upon an initial PSA blood test, with subsequent investigations driven by the serum PSA level. This model has proven highly controversial due to the inability of PSA level to discern between indolent and aggressive forms of prostate cancer. As a result, numerous government-sponsored bodies have recommended against PSA screening. Evidence suggests that prostate cancer screening has led to an increased proportion of men being diagnosed with potentially curable prostate cancer. However, due to the inability of the PSA level to accurately distinguish patients with indolent and lethal forms of prostate cancer, it has led to a significant rate of over-diagnosis of indolent disease. Magnetic resonance imaging has been gaining an increasingly large role in the management of patients with clinically-localized prostate cancer including diagnosis in patients with abnormal PSA levels, monitoring of patients on active surveillance and staging prior to definitive interventions. MRI-based prostate cancer risk assessment has been shown to better distinguish between clinically-significant and insignificant tumors than PSA test. Therefore, a randomized controlled trial of MRI-based prostate cancer screening and PSA-based prostate cancer screening is warranted.

This study will examine biomarkers involved in osteomimicry in bone metastases and circulating tumor cells (CTCs) of men with mCRPC before and during therapy with the bone-targeting radiopharmaceutical radium-223. This study will also examine the bio-distribution of radium-223 in bone and bone metastases of men with mCRPC. The investigators hypothesize that bone metastases and CTCs in men with mCRPC will commonly express markers of EMT/plasticity and osteomimicry, not just in the normal surrounding osteoblastic stroma but in the epithelial tumor cells themselves and that radium-223 will target both of these compartments including the more mesenchymal/osteoblastic tumor cells and the surrounding osteoblasts in the active bone microenvironment, with a relative sparing of normal bone and bone marrow.

This study is a large observational study, set-up to observe how long-term treatment with FIRMAGON (hormone regulator) compare to other treatments in regards to cardiovascular events, changes in bone density, changes in blood sugar levels or liver enzyme levels in subjects with prostate cancer. Subjects will be treated according to their routine clinical care and not dictated by the study. As the study is observational in nature, the study will collect data relating to the events specified above. Subjects that agree to this study will be followed-up for 5 years. Subject data will be collected every 3 months for the first 2 years and every 6 months for the last 3 years.

RATIONALE: Diagnostic procedures, such as magnetic resonance imaging (MRI), may help find prostate cancer and learn the extent of disease. PURPOSE: This clinical trial is studying the safety of MRI and to see how well it works in diagnosing prostate cancer.

In this study the investigators want to determine if the detection of lymph node is applicable in prostatectomy by laparoscopy.

Patients with advanced prostate cancer usually receive some kind of pharmaceutical castration or undergo surgical castration. At the investigators department the pharmaceutical treatment is most often given with a 3 month interval. Over the last few years new drugs, which allow for lees frequent treatment, have been developed. The purpose of this study is to assess how the treatment affects patients and if our current patients would prefer to receive treatment at different intervals than they do at the present time. At the same time the investigators will assess how surgical treatment affects our patients. This will be assessed by patient questionnaires administered at our clinic.

RATIONALE: Diagnostic procedures, such as dynamic contrast-enhanced magnetic resonance imaging or DCE-MRI and diffusion-weighted imaging or DWI, may provide images of prostate cancer or any cancer that remains after biopsy. PURPOSE: This trial studies repeated DCE-MRI and DWI in patients diagnosed with prostate cancer.

Adherence (or compliance with) a medication regimen is generally defined as the extent to which patients take medication as prescribed by their health care providers. The adherence to medications has close relation to effectiveness of the therapy. The primary objective of this study is to observe the adherence to treatment with oral clodronate (PDC, proportion of days covered, number of days in which clodronate is taken according to treating physician recommendation) in patients with malignancy. The secondary "hypothesis generating" objective is to describe the relation between adherence to treatment with oral clodronate and efficacy of the therapy (skeletal events, pain).