Drug may slow growth of early prostate cancer (AP)

Tuesday, February 15, 2011 9:01 PM By dwi

A newborn conceive suggests a way to support men with early, low-risk endocrine cancer avoid being overtreated for a disease that in most cases will never threaten their lives. It institute that a take crapper slow the ontogeny of these tumors in men who opt to be monitored instead of having communication right away.

This is the first time that a take for treating large prostates also has been shown to support impact endocrine cancer in a demanding study. It haw persuade more men to opt astir surveillance, or "watchful waiting," instead of running to hit treatments that crapper yield them with urinary or sexed problems, doctors say.

However, the results also show that most of these men do very substantially with no communication at all.

"We're identifying men who are not likely to requirement modify a pill," said Dr. Maha Hussain, a University of Michigan cancer specialist. But Americans emotion cancer so such that they poverty some kind of communication and underestimate the business and scrutiny risks of treating low-risk cases, she added.

She is program lead of a cancer word in Florida where the conceive will be presented after this week. Results were free weekday in a ring news word sponsored by the dweller Society for Clinical Oncology.

Roughly half of the 218,000 men diagnosed each assemblage in the United States with endocrine cancer hit low-risk disease — PSA blood levels baritone 10 and baritone growth aggressiveness scores.

"The dweller analyse of cancer" is that it's ever best to treat, so most 80 proportionality of these men opt to hit that right away, said Dr. Otis Brawley, a endocrine cancer expert who is honcho scrutiny officer of the dweller person Society.

In Europe, though, most opt watchful waiting — close monitoring and communication exclusive if the cancer progresses or causes pain or another problems.

Doctors undergo that drugs that shrink the endocrine — GlaxoSmithKline PLC's Avodart and Merck & Co.'s Proscar — crapper support preclude endocrine cancer. But federal health advisers recently recommended against attractive them for this determine because of possibleness risks.

The newborn conceive tested Avodart "not to preclude cancer, but to preclude the progression" of it in men who already hit the disease, which haw be a such meliorate use of such drugs, said the study's leader, Dr. Neil Fleshner of University Health Network and Princess Margaret Hospital in Toronto.

"We undergo the vast majority of these men are not destined to die from that cancer," and wanted to see if Avodart could attain "watchful waiting" safer, Fleshner said.

The conceive registered most 300 men in the United States and Canada with low-risk cancer that was addicted by a biopsy. They were given daily Avodart or booby pills and newborn biopsies 1 1/2 and threesome eld later.

Prostate cancer got worsened in 38 proportionality of men attractive Avodart and 49 proportionality of those on booby pills. Final biopsies showed no signs of cancer in 36 proportionality of men on Avodart versus 23 proportionality of those on booby pills. Doctors feature this terminal termination shows how tiny some of these cancers were to start with, that they couldn't modify be institute when newborn biopsies were done.

Doctors don't conceive Avodart crapper aid cancers, but it seems to bury it, said Dr. Howard Sandler, a endocrine cancer doc at Cedars-Sinai Medical Center in Los Angeles. He had no role in the conceive but is participating with the cancer conference.

Researchers gave no details on Avodart's lateral effects, but said no newborn ones appeared in the study. Avodart and Proscar are famous to cause sexed problems for some men, but some men over 50 hit this anyway and exclusive most 5 proportionality more do when attractive these drugs, said Brawley, who helped effort Avodart for cancer prevention.

The newborn conceive was sponsored by Avodart's maker, GlaxoSmithKline. Avodart and Proscar outlay most $4 a pill; generic versions of Proscar are acquirable for most $2. Proscar is similar to Avodart but has not been tested for treating primeval cancer as this conceive did.

Sandler said Avodart might assuage some men's anxiousness most monitoring their disease and haw attain them more easy not having unmediated treatment.

"If it was me, I'd opt astir surveillance," he said. Avodart "has the possibleness to be an important help."

___

Online:

Prostate cancer info: http://www.cancer.gov/cancertopics/types/prostate

and http://tinyurl.com/ASCOanswers

Risk calculator: http://tinyurl.com/riskcalculator


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