Prostatic Neoplasm Clinical Trial
Official title:
Phase I/II Study of Radioimmunoguided Intensity Modulated Radiotherapy (IMRT) for Prostate Cancer
The current study involves a novel and aggressive therapeutic approach for patients' prostate cancer. In addition, the investigators propose to administer hormonal therapy to patients with an especially high risk: those with initial Gleason scores of > 6, PSA > 10 ng/ml, T3/T4 primary tumors, and those found to be node positive (N+). The use of hormonal therapy in these specific settings correlates with our current standard of care. IMRT is better able to spare and protect normal tissues from receiving radiation than 3-D conformal RT. The radiotherapy would be followed by continued hormonal therapy for a total of 6 months in those who have one of the following Gleason 7 and PSA 10-20 and as per the previous version of this trial, 1 year similar to that delivered by the EORTC for higher risk patients, (those with initial Gleason scores of > 8, PSA > 20 ng/ml, or T3/T4 tumors). Those found to be N(+) would have the hormonal therapy continued indefinitely or until disease progression occurred in a manner analogous to the Messing et. al. series in prostatectomy patients. The goals are to develop and administer a program of treatment that includes the most recent developments in imaging, integrating data from both the CT scan and the ProstaScint scan to optimize prostate cancer RT. The CT scan will be used for staging and to determine the exact location of the entire prostate which will receive a reasonable dose of RT. The ProstaScint will be used to assess the spread of disease to lymph nodes as well as to determine the exact location of the tumor within the prostate gland. This region will then be boosted to a tumorcidal dose. The investigators then plan to monitor the toxicity and outcome of this treatment. The investigators expect that this program of radioimmunoguided IMRT will likely result in similar or less toxicity and increased cure rates when compared to conventional radiotherapy and standard IMRT programs.
n/a
Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
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