Stage IV Bladder Cancer
Patients with stage IV bladder cancer have cancer that has extended through the bladder wall and invaded the pelvic and/or abdominal wall and/or has lymph node involvement and/or spread to distant sites. Stage IV bladder cancer is also referred to as “metastatic” bladder cancer.
A variety of factors ultimately influence a patient’s decision to receive treatment of cancer. The purpose of receiving cancer treatment may be to improve symptoms through local control of the cancer, increase a patient’s chance of cure or prolong a patient’s survival. The potential benefits of receiving cancer treatment must be carefully balanced with the potential risks of receiving cancer treatment.
The following is a general overview of the treatment of stage IV bladder cancer. Circumstances unique to your situation and prognostic factors of your cancer may ultimately influence how these general treatment principles are applied to your situation. The information on this Web site is intended to help educate you about your treatment options and to facilitate a mutual or shared decision-making process with your treating cancer physician.
Most new treatments are developed in clinical trials. Clinical trials are studies that evaluate the effectiveness of new drugs or treatment strategies. The development of more effective cancer treatments requires that new and innovative therapies be evaluated with cancer patients. Participation in a clinical trial may offer access to better treatments and advance the existing knowledge about treatment of this cancer. Clinical trials are available for most stages of cancer. Patients who are interested in participating in a clinical trial should discuss the risks and benefits of clinical trials with their physician. To ensure that you are receiving the optimal treatment of your cancer, it is important to stay informed and follow the cancer news in order to learn about new treatments and the results of clinical trials.
Currently, only a minority of patients with stage IV bladder cancer is cured following treatment with standard therapies. This is because most patients have cancer that has already spread outside the area of the pelvis. Because the majority of patients with stage IV bladder cancer have disease that has already spread and cannot be removed with surgery, treatment that can kill cancer cells throughout the body is necessary. Standard treatment consists of chemotherapy and occasionally surgery and radiation.
Some patients with bladder cancer have stage IV disease based only on the presence of local lymph node involvement and they have no evidence of distant spread of cancer. These patients with involvement of pelvic organs by direct extension and small volume metastasis to regional lymph nodes can be managed the same as stage III patients if all the cancer can be surgically removed by radical cystectomy and bilateral lymph node dissection. For more information about treatment of this type of stage IV bladder cancer click on Treatment of Stage III Bladder Cancer.
Chemotherapy Treatment of Stage IV Bladder Cancer
Before the development of effective chemotherapy, the average survival of patients with stage IV cancer was only 3-6 months from diagnosis. Bladder cancer, however, is sensitive to chemotherapy and may respond to treatment frequently and rapidly. Although long-term survival has been reported in some patients, chemotherapy is administered primarily to improve the symptoms of bladder cancer. Patients in good clinical condition should enter treatment with curative intent because some patients have prolonged remissions without cancer recurrences.
Combinations of chemotherapy agents are usually used for treatment of bladder cancer, as no single chemotherapy agent will produce a complete response in more than an occasional patient. Two commonly used chemotherapy regimens are GC and MVAC. GC is the combination of Gemzar® (gemcitabine) and cisplatin. MVAC is the combination of methotrexate, vinblastine, doxorubicin, and cisplatin. A phase III trial that compared these two regimens suggested that they were similarly effective, but that GC produced fewer side effects.
Surgery for Stage IV Bladder Cancer
Radical cystectomy (removal of the bladder, tissue around the bladder, the prostate and seminal vesicles in men and the uterus, fallopian tubes, ovaries, anterior vaginal wall and urethra in women, with or without pelvic lymph node dissection) is sometimes recommended for treatment of patients with stage IV bladder cancer to control local spread and the complications this creates. Surgery is also utilized after an incomplete response of the primary cancer to radiation therapy and/or chemotherapy. To learn more about radical cystectomy, go to Surgery for Bladder Cancer.
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von der Maase H, Hansen SW, Robers JY et al. Gemcitabine and cisplatin versus methotrexate, vinblastine, doxorubicin, and cisplatin in advanced or metastatic bladder cancer: results of a large, randomized, multinational, multicenter, phase III study. Journal of Clinical Oncology. 2000;18:3068-77.
von der Maase H, Sengelov L, Roberts JT et al. Long-term survival results of a randomized trial comparing gemcitabine plus cisplatin, with methotrexate, vinblastine, doxorubicin, plus cisplatin in patients with bladder cancer. Journal of Clinical Oncology. 2005;20:4602-8.