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Testing for Cancer Soon to be More Efficient

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While doctors have yet to find a cure for cancer, they’re getting steps closer to being able to identify and treat cancerous cells in the earliest stages of development.

Scientists in Boston and Johnson and Johnson—the New Jersey-based global American pharmaceutical, medical devices and consumer packaged goods manufacturer—announced Monday they are working together to introduce a test available to consumers directly in their doctor’s office.

The blood test is able to identify a single cancer cell among a billion healthy ones. Along with Boston scientists and Johnson and Johnson, four additional cancer centers will start studies using the experimental tests this year.

The utility for researchers and doctors to identify stray cancer cells among billions of healthy ones means they can identify, treat and analyze results in a much more progressive fashion. Doctors believe that if one cell is spotted, a tumor has already spread or is likely to spread soon.

Doctors believe that “a test that can capture such cells has the potential to transform care for many types of cancer, especially breast, prostate, colon and lung,” according to AP Medical Writer Marilynn Marchione.

Massachusetts General Hospital describes its interest and involvement in developing the test:

“Circulating Tumor Cells or CTCs can be found in the blood of patients with primary tumor. These cells are extraordinarily rare and their detection presents a major challenge. Through a collaboration between bioengineers, molecular biologists and clinicians, we have developed a novel and radically different approach to detect and isolate CTCs…It also offers the opportunity to study “cancer stem cells” or “metastasis precursors”, thought to be at the origin of cancer spread via the bloodstream, to define their molecular vulnerabilities and help design new therapies to prevent cancer metastasis.”

In the past, doctors have screened for cancer by using mammograms, colonoscopies and needle biopsies. The new test is less invasive, provides results more quickly and can give doctors instantaneous insight as to what treatment steps to take next.

The new test “requires only a couple of teaspoons of blood and can be done repeatedly to monitor treatment or determine why a drug has stopped working and what to try next. Doctors can give a drug one day and sample blood the next day to see if the circulating tumor cells are gone,” according to Dr. Mark Kris, lung cancer chief at Memorial Sloan-Kettering Cancer Center in New York.

Dr. Minetta Liu, a breast cancer specialist at Georgetown University's Lombardi Comprehensive Cancer Center, has high hopes for the new test.

As Marchione reported in USA Today, Liu said, “'The dream is, a woman comes in for her mammogram and gets a tube of blood drawn,’ so doctors can look for cancer cells in her blood as well as tumors on the imaging exam.”

Blood test to spot cancer gets big boost from J&J
http://content.usatoday.net/dist/custom/gci/InsidePage.aspx?cId=azcentral&sParam=35437611.story

Massachusetts General Hospital
http://www.massgeneral.org/research/resourcelab.aspx?id=51

National Cancer Institute
http://nano.cancer.gov/action/news/2010/nov/nanotech_news_2010-11-23a.asp

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Bailey Mosier
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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.