Jumat, 21 Maret 2014

New Trends In Bladder Cancer Research

By Luisa Sharpe


Bladder cancer research today is looking at new ways to detect the disease earlier as well as more effective and less invasive ways to treat it once it has been discovered. There are many trials and studies being done that will contribute vital information to what is already known by researchers.

The trend for early detection is in urine analysis. There are three new tests for proteins in the urine that help to identify tumors especially in persons who have already been treated for this disease and may be suffering a relapse. The first, called BTA test, checks for a specific protein that signals the return of cancerous cells. There is a problem with false results because other conditions can affect the outcome.

The NMP22 test looks for a protein found in the nucleus of cells. This test works very well for detecting the most common type of transitional cell cancers. NMP22 occurs in most humans in very minute amounts and elevated levels indicate the patient may have TCC.

The newest test being used is the Mcm5 test. It has shown itself to be just as effective at detecting TCC as the NMP22 test. When used together these two tests reliably indicate the presence of TCC earlier than other methods.

Even with use of these tests, if they were commonly available, patients will still need to submit to an invasive procedure called the cystoscopy. This procedure entails a camera in the bladders of patients to find any tumors that may be present. Special chemicals are added to enhance the blood vessels that feed the tumors.

Treatment studies are also being conducted by many labs. One notable study is photodynamic therapy where your doctor puts the drug directly into bladders through using catheters and later fills them with saline solution. A special light is then directed at the lining of the organ and the light activates the drug. This process directly kills the cancerous cells, damages the blood vessels that feed the tumor and trigger your immune system to destroy the tumor.

There are numerous studies being done that compare the different effects of radiotherapy, chemotherapy, and surgery combinations. The common goal is to find out which combination works best for patients. Chemotherapy is used to shrink the tumors, and then radiotherapy is used to help stop the return of the disease and surgery as a last resort to remove the organ. During the radiotherapy the area is flooded with oxygen because cancerous cells are more easily killed when they have plenty of oxygen.

Many researchers are experimenting with the concept of biological therapy. This method of treatment uses your body's natural substances to fight the cancers that you may have. Many drugs have been produced and are being used in tests with fairly good results. The reports from researchers give hope to those who may be suffering from this disease.




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