A Study Assessing the Ability of AnchorSeed Iodine-125 Sources to Hold Fast in Tissue When Implanted for Treatment of Localized Prostate Cancer
Standard post implant prostate brachytherapy quality assurance at the Center for the
Southern Interior is usually performed at one month after the procedure with CT and MR
imaging. In order to test the ability of the new design of prostate brachytherapy seeds
(AnchorSeeds) to hold their position in the prostate, 40 men who have been randomly assigned
to receive either standard seeds or AnchorSeeds will have an additional CT scan immediately
after the procedure to record seed position for comparison to positions one month later. The
magnitude and frequency of seed displacement will be determined.
Interventional
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
seed displacement
CT scan of the prostate immediately after the implant will be used to determine the center of mass of the implant as a reference for distal migration of apical seeds and compared to positions on the CT scan one month following the implant
one month
No
Canada: Ethics Review Committee
H10-01685
NCT01174017
September 2010
December 2011
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