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Immunotherapy for prostate cancer


Immunotherapy for prostate cancer

Immunotherapy is a promising treatment for prostate cancer, including advanced or recurrent forms of the disease. Your care team at CTCA uses a variety of immune-based strategies to eliminate a prostate cancer tumor and prevent its recurrence.

This treatment method may be used alone or in conjunction with other treatments, such as radiation therapy and hormone therapy.


Provenge® is an FDA-approved immunotherapy treatment for prostate cancer that harnesses the power of the patient’s own immune system to identify and target prostate cancer cells. This is also known as autologous cellular immunotherapy. The immune system is made up of immune cells that are found in your own blood. These cells work as the body's natural defense against all types of illness, including prostate cancer.

Since Provenge is an immunotherapy treatment that helps the immune system fight disease, each dose is made specifically for each patient. The personalized dose of Provenge consists of the patient’s own immune cells that have been trained to seek and attack prostate cancer cells. By stimulating the natural ability of immune cells already in the blood, Provenge may improve a patient's prognosis.

What types of prostate cancer does Provenge immunotherapy treat?

  • Asymptomatic or minimally symptomatic metastatic castrate resistant (hormone refractory) prostate cancer
  • Patients cannot have moderate to severe prostate cancer pain (or be on narcotics for cancer-related pain)
  • Metastases must be limited to bone or soft tissue only (no lung, liver or brain metastases)
  • Patients cannot have had chemotherapy in the previous three months
  • The patient must be able to perform tasks necessary for daily living

Provenge immunotherapy treatment typically takes six weeks, and is administered in three infusions every two weeks.

What is immunotherapy?

Immunotherapy is a broad category of anti-cancer therapies that use the body’s immune system to fight cancer cells. These cells are different from normal cells, in that they do not die normally. Think of these rapidly-dividing cells like an out-of-control copy machine that won’t stop creating images. These abnormal cells frequently change, or “mutate,” to evade the immune system. Immunotherapy drugs are designed to alert the immune system about these mutated cells so it can locate and destroy them. 

How does immunotherapy spark the immune system to help fight cancer?

The immune system is always on patrol, like a police force charged with ridding the body of foreign invaders, such as viruses, bacteria or fungi. Lymph nodes, which make up most of the immune system, serve as police stations throughout the body. White blood cells, such as “T cells,” fight infection and cancer. They are the police officers. When a foreign invader is detected, the entire immune system is alerted through chemical signals, just as a police station would radio police officers to alert them about a problem. 

Cancer cells are not recognized as invaders because they are the body’s own cells, only they’ve mutated and changed so that once-healthy lung cells no longer behave like lung cells. The immune system doesn’t recognize this distinction, allowing these dangerous cells to grow, divide and spread throughout the body. One way cancerous cells stay hidden is through the PD-1 receptor, which tricks the body’s police force into thinking cancer cells are normal. Certain immunotherapy drugs work by blocking this evasive maneuver with a PD-1 inhibitor, which quiets the PD-1 receptor, allowing the cancer cells to be exposed as invaders, and triggering the immune system to send out an alert and launch a system-wide attack.

Experienced care team

With our team approach to care, our doctors and clinicians work together to come up with treatment options that meet your needs. Immunotherapy may be an option for you if you have breast, prostate, brain, kidney or spinal cancer, along with non-Hodgkin lymphoma, leukemia or melanoma. The treatment may work better for some cancers, so your doctor would monitor your progress closely and may pair immunotherapy with other treatments.

Personalized treatment approach

Patients and their caregivers are the ones who ultimately decide which treatment they want to pursue. Our clinicians are sensitive to your concerns and work to design treatment options that are appropriate for your needs and goals. We will provide you with the information you need to make an informed decision about immunotherapy.

Managing side effects

Immunotherapy can cause a variety of side effects, including fatigue, nausea, mouth sores, diarrhea, high blood pressure and fluid buildup, usually in the legs. Breast cancer patients, in particular, may experience fever, chills, pain, weakness, vomiting, headaches and rashes. The side effects of immunotherapy generally become less severe after the first treatment.

Throughout your treatment, your care team will provide integrative oncology services, including nutrition therapy, naturopathic medicine, pain management, oncology rehabilitation, mind-body medicine and spiritual support. These therapies can help reduce side effects and improve your overall quality of life during immunotherapy.