Treatment FAQ

how does bcg treatment work

by Prof. Bette Heaney V Published 3 years ago Updated 2 years ago
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BCG is put right into the bladder through a catheter. It reaches the cancer cells and "turns on" the immune system. The immune system cells are attracted to the bladder and attack the bladder cancer cells. BCG must come in contact with the cancer cells to work.Jan 30, 2019

How many times can you have BCG treatments for bladder cancer?

BCG is in a liquid solution that is put into the bladder with a catheter. The person then holds the solution in the bladder for two hours before urinating. The treatment is usually given once per week for six weeks, starting approximately two to three weeks after the last TURBT.

How long does BCG bladder treatment stay in your system?

Because BCG is a live vaccine, there are some important safety measures to keep in mind that your doctor can explain. BCG can remain in urine for 6 hours after your treatment, so each time you urinate, you should bleach the toilet in your home to neutralize the vaccine.

Is BCG a chemo or immunotherapy?

Bacillus Calmette-Guerin (BCG) treatment is a type of intravesical (in your bladder) immunotherapy. This liquid drug is made from a strain of Mycobacterium bovis — the same bacterium used to create the tuberculosis vaccine.

Does BCG treatment for bladder cancer lower your immune system?

While it doesn't usually cause a person to get sick, it can help trigger an immune response. BCG can be put right into the bladder as a liquid. This activates immune system cells in the bladder, which then attack bladder cancer cells. For more details on this treatment, see Intravesical Therapy for Bladder Cancer.

What is the success rate of BCG treatment?

This method of treatment is considered a form of immunotherapy, which is an emerging form of cancer treatment. The success rate for BCG treatment for bladder cancer is about 90%, which is considered the best life-saving rate by any treatment.

Do BCG side effects get worse with each treatment?

The irritative reactions usually are seen following the third instillation and tend to increase in severity after each administration. There is no evidence that dose reduction or antituberculous drug therapy can prevent or lessen the irritative symptoms of TheraCys.

What are the long term side effects of BCG treatment?

Hydrocele and scrotal thickening commonly exist after BCG and we had 7 such patients. Ureteral stricture and papillary necrosis are common urinary tract complications after BCG Therapy. Renal granuloma formation or granulomatous nephritis is a rare.

Does BCG cause hair loss?

Hair loss does not occur with BCG.

What does BCG do to your bladder?

BCG is put right into the bladder through a catheter. It reaches the cancer cells and "turns on" the immune system. The immune system cells are attracted to the bladder and attack the bladder cancer cells. BCG must come in contact with the cancer cells to work.

What are the chances of bladder cancer returning after BCG treatment?

“Initially, it's effective,” says medical oncologist Noah Hahn, M.D. However, adds urologist Max Kates, M.D., “while up to 35 percent of patients have long-term, sustained remissions with intravesical BCG, as many as 60 percent of patients will have a recurrence of cancer within two years.

Does BCG treatment make you tired?

BCG immunotherapy can cause a number of side effects. It is common for people to experience flu-like symptoms, such as chills, fever, and fatigue, for 2–3 days following the treatment. Other common side effects include: a burning sensation or discomfort in the bladder.

What is the success rate of immunotherapy for bladder cancer?

Ultimately, what the study showed is that about 40 percent of patients can have their cancer eradicated with PD-1 immunotherapy, and about half of those responses last more a year.

History of BCG

Uses

Before Getting BCG

  • Before you start BCG, you’ll need to talk with your healthcare provider to make sure BCG is the best treatment for your NMIBC. You might have other options, like not doing BCG or picking a type of chemotherapy to be inserted into the bladder instead.4 BCG therapy usually follows a procedure called transurethral resection of bladder tumor (TURBT). This treatment removes all v…
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Precautions and Contraindications

  • BCG should not be used in people who are immunocompromised, such as from medical conditions like AIDS or from genetic medical conditions. People taking medications that can suppress their immune system (like corticosteroids or cancer therapies) should also not take BCG.6 People who are pregnant should not take BCG therapy if possible. Pregnancy should b…
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How BCG Therapy Is Done

  • BCG as an immunotherapy for cancer is given through a catheter into the bladder, never intravenously or as an injection. This is usually done in an outpatient setting. The professionals there will assemble the BCG so that it can be safely administered. Your clinician will give you specific instructions about how you need to prepare ahead of time. Y...
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Side Effects

  • It’s not uncommon for people to experience temporary symptoms after BCG therapy. Some of these might include 1. Burning with urination 2. Increased urinary frequency 3. Small amounts of blood in the urine 4. Fever and chills 5. Fatigue8 Such symptoms usually only last a day or two. Severe complications from BCG are uncommon, but they do sometimes occur. Because BCG do…
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