68 Ga-PSMA for High Risk Prostate Cancer

Status Completed

Clinical Trial Summary

This is a prospective, single-center, open-label pilot study of 68GA-PSMA-11 given at a single time prior to PET/CT imaging in men with localized high risk prostate cancer or biochemical recurrence. The imaging agent (68 Ga-PSMA 11 will be administered on an outpatient basis. It will be administered prior to the PET/CT imaging. The objective is to evaluate the distribution of 68GA-PSMA-11 in tissues and to determine if this alters the planned clinical management.

Clinical Trial Description

This is a prospective, open label, single-center, single-arm, pilot diagnostic accuracy study to evaluate the tissue distribution of 68Ga-PSMA Positron Emission Tomography (PET)/CT in 80 patients with high risk localized prostate cancer or biochemical recurrence. Subjects will receive a single IV dose of 3-7 mCi of 68Ga-PSMA (study drug) followed by PET/CT imaging 60-90 minutes after injection. All patients will be closely monitored with vital signs (blood pressure and heart rate), before and 2 hours following radiotracer administration. Patients will receive a phone call 2 days following PET/CT to assess for adverse events. To minimize bias, all PET/CT images will be interpreted by a board-certified radiologist. The radiologist evaluating the images will be blinded to the final outcome, such as the histopathology of any biopsies and the outcome of subsequent imaging. Patients with study-defined high-risk features who are eligible and scheduled for radical prostatectomy will undergo 68Ga-PSMA-11 PET/CT injection. The results of the 68Ga-PSMA-11 PET/CT may alter patient management in one of several ways, including the decision to not pursue surgical extirpation (e.g. in the event of extensive distant metastasis) in favor of systemic therapy. It is also possible that the extent of surgical resection may be altered, such as non-regional pelvic or retroperitoneal lymph node dissection. The alteration in planned surgical treatment from standard of care will be recorded as a secondary-end point. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04614363
Study type	Interventional
Source	The Methodist Hospital Research Institute
Contact
Status	Completed
Phase	Phase 1/Phase 2
Start date	October 13, 2020
Completion date	April 25, 2023

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.