NCCN Guideline Panel Members note the importance of the ERSPC trial, but caution that it needs to be considered in view of its flaws.
"Past research indicates that African-American men as well as men with a family history of prostate cancer have a significantly increased risk of developing the disease," says Kawachi. "The European study (ERSPC) did not include any information about family history or specify the racial composition of its patients."
The PLCO trial from the United States, which reported that PSA screening did not reduce the risk of death from prostate cancer, also lacked in heterogeneity and included a very small number of patients with a family history of prostate cancer or African-American men.
This suggests that the majority of men who participated in the two trials were not at a high-risk of developing advanced prostate cancer, so it is not surprising that PSA screening would have little impact on their risk of death from the disease.
"Some of the controversy with the recent trials assessing the benefits of PSA testing stems from people confusing early detection with screening," says Kawachi. "It is imperative to distinguish the two terms from each other and understand that screening implies testing a random group of participants whereas early detection targets a select group of patients whose need is greatest."
It is important to note that the NCCN Guidelines for Prostate Cancer Early Detection are for the purpose of detecting cance
|SOURCE National Comprehensive Cancer Network|
Copyright©2009 PR Newswire.
All rights reserved