UCLA researchers found that men who aren't well educated about their disease have a much more difficult time making treatment decisions, called decisional conflict, a challenge that could negatively impact the quality of their care and their long-term outcomes.
The study should serve as a wake-up call for physicians, who can use the findings to target men less likely to know a lot about their prostate cancer and educate them prior to their appointments so they're more comfortable making treatment decisions, said study first author Dr. Alan Kaplan, a resident physician in the UCLA Department of Urology.
"For prostate cancer, there is no one right answer when it comes to treatment. It comes down to the right answer for each specific patient, and that is heavily dependent on their own personal preferences," Kaplan said. "Men in general, and specifically economically disadvantaged men, have a hard time deciding what their preferences are, how they feel about any possible complications and what the future after treatment might be like. If you don't know anything about your disease, you'll have a really tough time making a decision."
The findings from the one-year study appears in the early online edition of the peer-reviewed journal Cancer.
The research team surveyed 70 men at a Veterans Administration clinic who were newly diagnosed with localized prostate cancer and had enrolled in a randomized trial testing a novel shared decision-making tool. They collected baseline demographic and clinical such as age, race, education, co-existing medical conditions, relationship status, urinary and sexual dysfunction and their prostate cancer knowledge.
UCLA researchers talked one-on-one with the men after they had received their cancer diagnosis, but before they consulted with a physician. Median age of the men in the study was 63 years, 49% were African American and 70% reported an annual income of less than $30,000.
Kaplan said the team found that a low level of prostate cancer knowledge was associated with increased decisional conflict and higher uncertainty about what treatment to choose. Low levels of prostate cancer knowledge also were associated with lower perceived effectiveness - meaning the less they knew about their cancer, the less confidence they had that the treatment would be effective.
"Knowledge about prostate cancer is an identifiable target. Interventions designed to increase a patient's comprehension of prostate cancer and its treatments may greatly reduce decisional conflict," Kaplan said, adding that further study is needed to better characterize this relationship and identify effective targeted interventions.
"If you get shot in the gut, there aren't many options. You go into the operating room to get fixed up," he said. "With prostate cancer, there are lots of options and not all are right for everybody."
Men with prostate cancer might need to decide between surgery versus radiation or opting for active surveillance, in which patients are monitored closely for changes in the progression of their cancer and are tested at regular intervals. Prostate cancers can also be treated implantable radioactive seeds or tumors may be burned or frozen as treatment.
Another benefit to reducing decisional conflict is that patients who feel comfortable with their decision may regret their decisions less down the line, Kaplan said. They're less likely to sue their doctors and generally experience better outcomes.
"In a way, it's like buying a car. You prepare, you read reports, do your homework," Kaplan said. "If something goes wrong with the car, you feel OK because you knew what you were getting into. When patients take ownership of the decision-making process, their outcomes are better."
Kaplan said economically disadvantaged men may be having more difficulty because they may not have as much experience negotiating the healthcare system and are less confident when communicating with doctors.
"Doctors, we know intuitively, should spend more time with their patients, especially when they're making an important decision," he said. "But all of us are challenged with the numbers of patients we must see in a day. If you know beforehand that a patient has a poor knowledge about his cancer, that's someone you need to spend more time with."
Doctors may also want to provide these patients with educational information before their consultation so they can begin to increase their prostate cancer knowledge, Kaplan said.
Prostate cancer is the most frequently diagnosed cancer in men aside from skin cancer. An estimated 233,000 new cases of prostate cancer will occur in the United States in 2014. Of those, nearly 30,000 men will die.
The study was funded by UCLA's Jonsson Comprehensive Cancer Center and the National Institutes of Health (R01 CA134997, 5R25CA087949-14, 5R01CA134997-02).
For more than 50 years, the urology specialists at UCLA have continued to break new ground and set the standards of care for patients suffering from urological conditions. In collaboration with research scientists, UCLA's internationally renowned physicians are pioneering new, less invasive methods of delivering care that are more effective and less costly. UCLA's is one of only a handful of urology programs in the country that offer kidney and pancreas transplantation. In July of 2013, UCLA Urology was once again ranked fourth in the nation by U.S. News & World Report, a ranking it has held for the last 15 years. For more information, visit http://urology.ucla.edu/.
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