WEDNESDAY, May 4 (HealthDay News) -- Among men under 65 with
early stage prostate cancer, those who have the prostate gland
removed are less likely to die than those who adopt a "watchful
waiting" approach, according to a new long-term study out of
But the findings are not likely to be practice-changing, said
Dr. Richard E. Greenberg, chief of urologic oncology at Fox Chase
Cancer Center in Philadelphia, who was not involved with the
"This is relatively early stage disease, and it shows what we would expect it to show: that those who have more years [to live] have better survival if treated aggressively," he said.
Men with prostate cancer face a confusing maze of options today,
including not only surgery but hormone therapy, different kinds of
radiation therapy and even simply foregoing medical treatment while
monitoring the cancer closely ("watchful waiting," also known as
"Watchful waiting" is often recommended when a man is not expected to die of the cancer and would like to avoid the risk of the debilitating side effects associated with prostate cancer treatment. These may include: incontinence and erectile dysfunction (surgery); erectile dysfunction and secondary cancers (radiation therapy); nausea, breast growth, liver problems (hormonal therapy); and weakness, hair loss, fluid retention (chemotherapy).
The data presented in the May 5 issue of the
New England Journal of Medicine is a 15-year follow-up of a
study for which three-years of follow-up had previously been
The earlier study also found that undergoing a radical
prostatectomy lowered the risk of the cancer spreading, as well as
the death rate from prostate cancer or any other cause.
The researchers, Drs. Anna Bill-Axelson and Lars Holmberg of
University Hospital, Uppsala, and colleagues, enrolled nearly 700
men with early prostate cancer under the age of 75 who were
randomly selected either to undergo a radical prostatectomy or to
stay in "watchful waiting" mode.
After an average follow-up of about 13 years, 14.6 percent of
the men who had undergone surgery had died, versus 20.7 percent in
the watchful waiting group, a 38 percent reduced risk.
The benefit was primarily seen among men younger than 65 and the
authors estimated that seven men under the age of 65 and 8 over the
age of 65 would need to be treated to save one life.
There was also a benefit in men whose tumors had low-risk
Men whose cancer had moved outside of the prostate gland and who
underwent removal of the prostate had a seven times higher risk of
dying than men whose tumors hadn't spread.
Radical prostatectomy can come with a price -- including
erectile dysfunction, urinary incontinence and even bowel
incontinence -- although these effects are not as common as
techniques improve. A nerve-sparing radical prostatectomy, for
example, may be able to prevent erectile dysfunction.
Also, the men in this study were diagnosed only after they had
symptoms, unlike the majority of men in the United States,
"The advantage of screening is that men are more likely to be cured of cancer but they also have a greater chance of not succumbing to the consequences of the surgical complications, whether [those] be erectile dysfunction or urinary incontinence," Greenberg said.
Also, he said, erectile dysfunction can also be a factor of
aging and can be treated in most cases.
But much remains to be known about how best to treat different
types of prostate cancer.
"The management of early stage prostate cancer continues to require further randomized controlled studies, which are underway, to determine the true benefit of treatment versus expectant management," said Dr. Marc Danziger, an attending urologist at Lenox Hill Hospital in New York City, who was not involved with the study.
"Currently, the potential benefit and side effects of treatment needs to be addressed on an individual basis in relation to the risk stratification of disease, patient desires, health status and risk tolerance," Danziger added.
The U.S. National Cancer Institute has more on
prostate cancer treatments.
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