Robert James Hamilton

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BACKGROUND Prostate cancer (PC) mortality is much greater for African American than for Caucasian men. To identify patient factors that might account for some of this disparity, men within 6 months of diagnosis were surveyed about health attitudes and behavior. METHODS Using Rapid Identification in the North Carolina Cancer Registry, 207 African American(More)
Partnerships between scientists and local communities can increase research capacity and data delivery while improving management effectiveness through enhanced community participation. To encourage such collaboration, this study demonstrates how these partnerships can be formed, drawing on two case studies in coral reef ecosystems in very different social(More)
CONTEXT Recent studies have suggested that obese men have lower serum prostate-specific antigen (PSA) concentrations than nonobese men. Because men with higher body mass index (BMI) have greater circulating plasma volumes, lower PSA concentrations among obese men may be due to hemodilution. OBJECTIVE To determine the association between hemodilution and(More)
BACKGROUND Active self-ligating brackets may be more efficient than conventional pre-adjusted brackets. AIMS To determine if self-ligating brackets are more efficient than conventional pre-adjusted brackets when used in a specialist practice setting. METHODS Seven hundred and sixty two patients, consecutively treated with fixed appliances, were(More)
BACKGROUND Many men (21-52%) are reported to have no cancer on the second, also known as the confirmatory, biopsy (B2) for prostate cancer active surveillance (AS). If these men had a reduced risk of pathologic progression, particularly grade related, the intensity of their follow-up could be decreased. OBJECTIVE To investigate if men with no cancer on B2(More)
BACKGROUND Although controversial, evidence suggests statins may reduce the risk of advanced prostate cancer (PC), and recently statin use was associated with prostate-specific antigen (PSA) reductions among men without PC. The authors sought to examine the association between statin use and PSA recurrence after radical prostatectomy (RP). METHODS The(More)
PURPOSE We examined prostatectomy pathology, and oncologic and functional outcomes of men progressing from active surveillance to radical prostatectomy. MATERIALS AND METHODS We identified patients on active surveillance treated with radical prostatectomy. We compared patients on active surveillance ultimately treated with radical prostatectomy to age and(More)
To study the effect of healthcare access and other characteristics on physician trust among black and white prostate cancer patients. A three-timepoint follow-up telephone survey after cancer diagnosis was conducted. This study analyzed data on 474 patients and their 1,320 interviews over three time periods. Among other subpopulations, black patients who(More)
PURPOSE Needle biopsy Gleason scores are often upgraded after pathological examination of the prostate following radical prostatectomy. It has been suggested that larger prostates would be associated with a greater risk of upgrading since a smaller percentage of the gland is sampled and, thus, the highest grade disease would more likely be missed, assuming(More)
BACKGROUND Exposure to metformin, a medication used to treat diabetes, has been associated with improved survival outcomes in various malignancies. However, studies evaluating the association between metformin use and kidney cancer survival outcomes have demonstrated conflicting results. PATIENTS AND METHODS We performed a retrospective review of diabetic(More)