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Advanced Prostate Imaging of Recurrent Cancer After Radiotherapy

2016-06-08 16:23:22 | BioPortfolio

Summary

The investigators are attempting to determine if a new form of imaging called 18F-DCFPyL PET/CT is helpful to physicians in deciding how to manage suspected prostate cancer recurrence. This imaging uses a Positron Emission Tomography/Computed Tomography (PET/CT) scan using a radioactive tracer 18F-DCFPyL that is concentrated in prostate cancer cells and can potentially identify cancer cells throughout the body. The combination of 18F-DCFPyL PET/CT can potentially identify areas of prostate cancer recurrence not seen with usual imaging [bone scan, computed tomography (CT) thorax, abdomen and pelvis, plus multi-parametric magnetic resonance imaging (MRI)].

Description

The study will evaluate the utility of investigational restaging with 18F-DCFPyL PET/CT following conventional imaging (bone scan, CT thorax, abdomen and pelvis plus multi-parametric pelvic MRI) in detecting the prevalence of metastatic disease among men with biochemical recurrence after radical radiotherapy treatment to the prostate. Men treated with primary radiation with external beam or brachytherapy will be eligible. Eighty (80) eligible consenting patients with biochemical recurrence and potentially suitable for local salvage or targeted ablative therapies will be registered and imaged with conventional imaging (bone scan, CT thorax, abdomen and pelvis plus multi-parametric pelvic MRI) followed by investigational restaging with 18F-DCFPyL PET/CT. Characterizing sites of disease identified by the combination of 18F-DCFPyL PET/CT with conventional imaging versus 18F-DCFPyL PET/CT alone will be used to explore the potential of 18F-DCFPyL PET/CT as a single restaging study in men with biochemical recurrence. While further investigation and treatment after restaging will be at the discretion of the investigator and the patient, the actual treatment/management, treatment outcomes and quality of life will be recorded in an electronic database at 6, 12, 24 and 36 months after re-staging. Such longitudinal analyses of management and outcomes will be useful in characterizing the disease trajectory, response to treatment and quality of life for patients whose recurrent disease is managed based on comprehensive restaging using the combination of conventional imaging and 18F-DCFPyL PET/CT.

Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Conditions

Prostate Cancer

Intervention

18F-DCFPyL PET/CT scan

Location

St. Vincent's Hospital
Sydney
New South Wales
Australia
N6A 4L6

Status

Not yet recruiting

Source

Lawson Health Research Institute

Results (where available)

View Results

Links

Published on BioPortfolio: 2016-06-08T16:23:22-0400

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Medical and Biotech [MESH] Definitions

A glycoprotein that is a kallikrein-like serine proteinase and an esterase, produced by epithelial cells of both normal and malignant prostate tissue. It is an important marker for the diagnosis of prostate cancer.

A synthetic retinoid that is used orally as a chemopreventive against prostate cancer and in women at risk of developing contralateral breast cancer. It is also effective as an antineoplastic agent.

Tissue ablation of the PROSTATE performed by ultrasound from a transducer placed in the RECTUM. The procedure is used to treat prostate cancer (PROSTATIC NEOPLASMS) and benign prostatic hypertrophy (PROSTATIC HYPERPLASIA).

Proteins secreted by the prostate gland. The major secretory proteins from the human prostate gland include PROSTATE-SPECIFIC ANTIGEN, prostate-specific acid phosphatase, prostate-specific membrane antigen, and prostate-specific protein-94.

The use of combination of imaging techniques or platforms (e.g., MRI SCAN and PET SCAN) encompassing aspects of anatomical, functional, or molecular imaging methods.

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