Bladder cancer medical therapy: Difference between revisions
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==Overview== | ==Overview== | ||
==Medical Therapy== | ==Medical Therapy== | ||
'''Immunotherapy''' | |||
Immunotherapy is a type of biological therapy that uses the immune system to help destroy cancer cells. Biological therapy uses natural or artificial substances that act like (mimic) or block natural cell responses to kill, control or change the behaviour of cancer cells. | |||
Immunotherapy is most often used to treat tumours that are only in the lining of the bladder but have a higher risk for growing into deeper layers (especially high-grade and T1 tumours). | |||
The immunotherapy treatment used most often is the vaccine bacillus Calmette-Guérin (BCG). BCG is passed into the bladder through a urinary catheter, or tube (called intravesical immunotherapy). | |||
'''Chemotherapy''' | |||
Intravesical chemotherapy or systemic chemotherapy may be used to treat bladder cancer. | |||
During intravesical chemotherapy, the drugs are placed into the bladder through a urinary catheter. Intravesical chemotherapy may be given instead of BCG or if the bladder cancer doesn’t respond to BCG. Mitomycin (Mutamycin) is the drug most often used in intravesical chemotherapy. A dose of mitomycin is usually put into the bladder after surgery to remove the bladder tumour. Intravesical chemotherapy with mitomycin reduces the risk of bladder cancer recurring (coming back) in people with tumours that are only in the lining of the bladder and have not grown into the muscle layer of the bladder wall (called non-muscle-invasive bladder cancer). | |||
During systemic chemotherapy, the drugs are given through a needle into a vein (intravenously) and circulate throughout the body. Systemic chemotherapy may be a treatment option for bladder cancer that has spread to other tissues near the bladder (called locally advanced cancer) and bladder cancer that has spread to other parts of the body (called metastatic cancer). Chemotherapy is recommended before a radical cystectomy (called neoadjuvant chemotherapy) for many people with bladder cancer that has grown into the muscle layer of the bladder wall. It is also often given after a radical cystectomy (called adjuvant chemotherapy) to people with high-risk features such as cancer that has spread to lymph nodes. | |||
'''Radiation therapy''' | |||
External beam radiation therapy is the type of radiation treatment that is most often used to treat bladder cancer. | |||
Some people with cancer that has grown into the muscle layer of the bladder wall (called muscle-invasive bladder cancer) will have a transurethral resection (TUR) to completely remove all the cancer that the surgeon can see. This surgery is followed by both radiation therapy and chemotherapy. | |||
Radiation therapy may be the main treatment for people who can’t have surgery. It may also be given to relieve symptoms caused by advanced bladder cancer (called palliative radiation therapy). | |||
==References== | ==References== | ||
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{{WH}} | {{WH}} | ||
{{WS}} | {{WS}} | ||
[[Category:Disease]] | |||
[[Category:Types of cancer]] | |||
[[Category:Urology]] | |||
Revision as of 19:08, 6 October 2015
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Steven C. Campbell, M.D., Ph.D.
Overview
Medical Therapy
Immunotherapy
Immunotherapy is a type of biological therapy that uses the immune system to help destroy cancer cells. Biological therapy uses natural or artificial substances that act like (mimic) or block natural cell responses to kill, control or change the behaviour of cancer cells.
Immunotherapy is most often used to treat tumours that are only in the lining of the bladder but have a higher risk for growing into deeper layers (especially high-grade and T1 tumours).
The immunotherapy treatment used most often is the vaccine bacillus Calmette-Guérin (BCG). BCG is passed into the bladder through a urinary catheter, or tube (called intravesical immunotherapy).
Chemotherapy
Intravesical chemotherapy or systemic chemotherapy may be used to treat bladder cancer.
During intravesical chemotherapy, the drugs are placed into the bladder through a urinary catheter. Intravesical chemotherapy may be given instead of BCG or if the bladder cancer doesn’t respond to BCG. Mitomycin (Mutamycin) is the drug most often used in intravesical chemotherapy. A dose of mitomycin is usually put into the bladder after surgery to remove the bladder tumour. Intravesical chemotherapy with mitomycin reduces the risk of bladder cancer recurring (coming back) in people with tumours that are only in the lining of the bladder and have not grown into the muscle layer of the bladder wall (called non-muscle-invasive bladder cancer).
During systemic chemotherapy, the drugs are given through a needle into a vein (intravenously) and circulate throughout the body. Systemic chemotherapy may be a treatment option for bladder cancer that has spread to other tissues near the bladder (called locally advanced cancer) and bladder cancer that has spread to other parts of the body (called metastatic cancer). Chemotherapy is recommended before a radical cystectomy (called neoadjuvant chemotherapy) for many people with bladder cancer that has grown into the muscle layer of the bladder wall. It is also often given after a radical cystectomy (called adjuvant chemotherapy) to people with high-risk features such as cancer that has spread to lymph nodes.
Radiation therapy
External beam radiation therapy is the type of radiation treatment that is most often used to treat bladder cancer.
Some people with cancer that has grown into the muscle layer of the bladder wall (called muscle-invasive bladder cancer) will have a transurethral resection (TUR) to completely remove all the cancer that the surgeon can see. This surgery is followed by both radiation therapy and chemotherapy.
Radiation therapy may be the main treatment for people who can’t have surgery. It may also be given to relieve symptoms caused by advanced bladder cancer (called palliative radiation therapy).