Lowering the recommended age for baseline prostate-specific antigen (PSA) would reduce prostate cancer deaths by about 30% in Black men without significantly increasing the rate of overdiagnosis, according to new screening guidelines from the Prostate Cancer Foundation.
Specifically, baseline PSA testing in Black men should begin at age 40-45, sooner than current guidelines recommend, and should be followed by regular screening intervals, preferably annually, at least until age 70, a multidisciplinary panel of experts and patient advocates determined based on a comprehensive literature review.
The panel’s findings were presented in a poster at the 2024 American Society of Clinical Oncology Genitourinary Symposium.
“Black men in the United States are considered a high-risk population for being diagnosed with and dying from prostate cancer,” lead author Isla Garraway, MD, PhD, of the University of California, Los Angeles, and colleagues wrote. Specifically, Black men are about two times more likely to be diagnosed with and die from prostate cancer than White men. But, the authors continued, “few guidelines have outlined specific recommendations for PSA-based prostate cancer screening among Black men.”
The US Preventive Services Taskforce recommendations, which are currently being updated, set the PSA screening start age at 55. The task force recommendations, which dictate insurance coverage in the United States, acknowledged “a potential mortality benefit for African American men when beginning screening before age 55 years” but did not explicitly recommend screening earlier.
Current guidelines from the American Cancer Society call for discussions about screening in average-risk men to begin at age 50-55. The recommendations do specify lowering the age to 45 for those at a high risk for prostate cancer, which includes Black men as well as those with a first-degree relative diagnosed with prostate cancer before age 65. In some cases, screening can begin at age 40 in the highest risk men — those with more than one first-degree relative who had prostate cancer at a young age.
The Prostate Cancer Foundation “wanted to address the confusion around different guideline statements and the lack of clarity around screening recommendations for Black men,” said William K. Oh, MD, of The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York City, who chaired the panel for the new guidelines. “We thus convened a distinguished panel of experts from diverse backgrounds and expertise to create six guidelines statements to help Black men, their families, and their healthcare providers to consider options for prostate cancer screening based on the best available evidence.”
After reviewing 287, the expert panel developed six new guideline statements, reaching at least 80% consensus among panel members, addressing screening for Black men:
Because Black men are at a high risk for prostate cancer, the benefits of screening generally outweigh the risks.PSA testing should be considered first line for prostate cancer screening, although some providers may recommend an optional digital rectal exam in addition to the PSA test.Black men should engage in shared decision-making with their healthcare providers and other trusted sources of information to learn about the pros and cons of screening.For Black men who elect screening, a baseline PSA test should be done between ages 40 and 45, and annual PSA screening should be strongly considered based on the PSA value and the individual’s health status.Black men over age 70 who have been undergoing prostate cancer screening should talk with their healthcare provider about whether to continue PSA testing and make an informed decision based on their age, life expectancy, health status, family history, and prior PSA levels.Black men who are at even higher risk due to a strong family history and/or known carriers of high-risk genetic variants should consider initiating annual PSA screening as early as age 40.
These statements are based on “the best available evidence, which overwhelmingly supports the conclusion that Black men in the US could benefit from a risk-adapted PSA screening,” the investigators concluded, noting that the latest evidence “warrants revisiting current recommendations for early [prostate cancer] detection in Black men from other national guideline groups.”
“We believe that the outcome of these more directed guidelines will be to give clarity to these men,” Oh added.
This research was funded by the Prostate Cancer Foundation, National Cancer Institute, Veterans Affairs, Jean Perkins Foundation, and Department of Defense. Garraway reported having no disclosures.
Sharon Worcester, MA, is an award-winning medical journalist based in Birmingham, Alabama, writing for Medscape Medical News, MDedge, and other affiliate sites. She currently covers oncology, but she has also written on a variety of other medical specialties and healthcare topics. She can be reached at sworcester@mdedge.com or on X: @SW_MedReporter.
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