Chemo Treatment For Prostate Cancer

How Chemotherapy Works Against Cancer

Chemotherapy works by stopping or slowing the growth of cancer cells, which grow and divide quickly. Chemotherapy is used for two reasons:

• Treat cancer: Chemotherapy can be used to cure cancer, lessen the chance it will return, or stop or slow its growth.
• Ease cancer symptoms: Chemotherapy can be used to shrink tumors that are causing pain and other problems.

Which Types Of Cancer Does Chemotherapy Treat

Chemotherapy is used to treat many types of cancer. For some people, chemotherapy may be the only treatment you receive. But most often, you will have chemotherapy with other cancer treatments. The types of treatment that you need depend on the type of cancer you have, if it has spread and where, and if you have other health problems. To learn more about treatment for your cancer, see the PDQ® cancer treatment summaries for adult and childhood cancers.

Before You Start Chemotherapy

You need to have blood tests to make sure its safe to start treatment. You usually have these the day before or on the day you start treatment. You have blood tests before each round or cycle of treatment.

Your doctors and pharmacists work out your chemotherapy dose based on your blood cell levels, and your weight, height and general health.

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Secondary Cancer In The Bones

After the lymph nodes, the most common place for prostate cancer to spread to is the bones. Prostate cancer may spread to bones, such as the:

It may affect different areas of the bones rather than only one area.

• Pain

  The first sign of a secondary cancer in the bones is usually an ache in the bone. This is often in the hips or in the back. A secondary cancer in the bone may gradually make the bone weaker. Bones that are very weak may break more easily. There are treatments you can have to help strengthen the bones and reduce pain.

• Spinal cord compression

  If the bones in the spine have cancer in them, the cancer may press on the spinal cord. This is called Malignant spinal cord compression . It usually affects your legs and may cause:

• numbness or tingling in your legs.

Spinal cord compression is not common. But if you notice these symptoms, you should contact your doctors straight away even at the weekend or during a holiday period. If you cannot contact your GP or cancer doctor, you should go to the nearest emergency department .

Docetaxel: Role In Mcrpc

Up until 2004, there was still no standard front-line or second-line chemotherapy for mCRPC that improved OS. Treatment options for mCRPC at the time often included second-line hormonal therapy, radiation therapy, cytotoxic chemotherapy, investigational therapy, or supportive care. Chemotherapy was clearly shown to provide palliative benefit but no survival benefit, and the regimens available at the time, as aforementioned, were mitoxantrone, estramustine, or docetaxel.49

Docetaxel is a taxane derivative that works by binding to microtubules and preventing androgen receptor nuclear translocation and causing apoptosis through B-cell lymphoma phosphorylation.50 Studies using docetaxel as a single agent or in combination with estramustine showed objective response rates in up to 38% of patients, PSA declines of more than 50% in 69% of patients.51,52 These findings encouraged subsequent two trials: the TAX 327 trial and the Southwest Oncology Group 99-16 trial.

These two studies, primarily the TAX 327 and secondarily the SWOG 9916, have set the standard of care for men with mCRPC. Numerous subsequent combination trials have been performed in an attempt to improve upon the efficacy of docetaxel, but most of these have been largely negative trials.

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How Will I Know If Chemotherapy Is Working

You will see your doctor often. During these visits, they will ask you how you feel, do a physical exam, and order medical tests and scans. Tests might include blood tests. Scans might include MRI, CT, or PET scans.

You cannot tell if chemotherapy is working based on its side effects. Some people think that severe side effects mean that chemotherapy is working well, or that no side effects mean that chemotherapy is not working. The truth is that side effects have nothing to do with how well chemotherapy is fighting your cancer.

What Are Risk Factors For Prostate Cancer

The main cause of prostate cancer is unknown. However, several factors may increase the risk of developing the disease:

• Age: As you become older, your chances of acquiring prostate cancer increase. Most of the prostate cancer cases are observed in men over the age of 50 years.
• Ethnicity: Prostate cancer is more common in Black men and less common in Asian men for unknown reasons.
• Genetics: Men who have a parent or sibling who has had prostate cancer are at a slightly higher risk of developing prostate cancer.
• Obesity: Studies have revealed that obesity may potentially raise the risk of prostate cancer.

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What Is Advanced Prostate Cancer

When prostate cancer spreads beyond the prostate or returns after treatment, it is often called advanced prostate cancer.

Prostate cancer is often grouped into four stages, with stages III and IV being more advanced prostate cancer.

• Early Stage | Stages I & II: The tumor has not spread beyond the prostate.
• Locally Advanced | Stage III: Cancer has spread outside the prostate but only to nearby tissues.
• Advanced | Stage IV: Cancer has spread outside the prostate to other parts such as the lymph nodes, bones, liver or lungs.

When an early stage prostate cancer is found, it may be treated or placed on surveillance . Advanced prostate cancer is not curable, but there are many ways to treat it. Treatment can help slow advanced prostate cancer progression.

There are several types of advanced prostate cancer, including:

Biochemical Recurrence

With biochemical recurrence, the prostate-specific antigen level has risen after treatment using surgery or radiation, with no other sign of cancer.

Castration-Resistant Prostate Cancer

Non-Metastatic Castration-Resistant Prostate Cancer

Prostate cancer that no longer responds to hormone treatment and is only found in the prostate. This is found by a rise in the PSA level, while the testosterone level stays low. Imaging tests do not show signs the cancer has spread.

Metastatic Prostate Cancer

• Lymph nodes outside the pelvis
• Other organs, such as liver or lungs

Metastatic Hormone-Sensitive Prostate Cancer

Possible Side Effects Of Chemotherapy

Chemo drugs attack cells that are dividing quickly, which is why they work against cancer cells. But other cells in the body, such as those in the bone marrow , the lining of the mouth and intestines, and the hair follicles, also divide quickly. These cells can also be affected by chemo, which can lead to side effects.

The side effects of chemo depend on the type and dose of drugs given and how long they are taken. Some common side effects can include:

• Increased chance of infections
• Easy bruising or bleeding

These side effects usually go away once treatment is finished. There are often ways to lessen these side effects. For example, drugs can be given to help prevent or reduce nausea and vomiting.

Along with the risks above, some side effects are seen more often with certain chemo drugs. For example:

• Docetaxel and cabazitaxel sometimes cause severe allergic reactions. Medicines are given before each treatment to help prevent this. These drugs can also damage nerves , which can cause numbness, tingling, or burning sensations in the hands or feet.
• Mitoxantrone can, very rarely, cause leukemia several years later.
• Estramustine carries an increased risk of blood clots.

If you notice any side effects while getting chemo report them to your cancer care team so that they can be treated promptly. In some cases, the doses of the chemo drugs may need to be reduced or treatment may need to be delayed or stopped to prevent the effects from getting worse.

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Impact Of Age On Treatment

The rising number of men diagnosed with prostate cancer is a result of increasing life expectancy as well as the current practice of screening by prostate-specific antigen blood tests.10 Besides PSA and Gleason score, age is considered a key prognostic factor in treatment decision making. Although organ-confined disease can be cured by radical prostatectomy and full-dose local radiation therapy, treatment options for advanced- stage disease remain palliative. They include active surveillance, or watchful waiting, early versus delayed hormonal therapy to control disease progression, and continuous or intermittent androgen deprivation. Observational studies of older men with early stage disease have suggested conservative management as a viable option.11,12

Chodak and associates12 evaluated 828 men who were managed expectantly in a series of nonrandomized trials. Median follow-up was approximately 6.5 years. Patients with poorly differentiated cancers had a 10-fold increased risk of death from prostate cancer as compared with men showing highly differentiated prostate cancer. A 5-year disease-specific survival of only 34% was found in men with poorly differentiated prostate cancer. In contrast a 5-year disease-specific survival of 87% was described in men with well-or moderately differentiated cancers.

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Treatment By Stage Of Prostate Cancer

Different treatments may be recommended for each stage of prostate cancer. Your doctor will work with you to develop a specific treatment plan based on the cancers stage and other factors. Detailed descriptions of each type of treatment are provided earlier on this same page. Clinical trials may also be a treatment option for each stage.

Early-stage prostate cancer

Early-stage prostate cancer usually grows very slowly and may take years to cause any symptoms or other health problems, if it ever does at all. As a result, active surveillance or watchful waiting may be recommended. Radiation therapy or surgery may also be suggested, as well as treatment in clinical trials. For those with a higher Gleason score, the cancer may be faster growing, so radical prostatectomy and radiation therapy are often recommended. Your doctor will consider your age and general health before recommending a treatment plan.

ASCO, the American Urological Association, American Society of Radiation Oncology, and the Society of Urologic Oncology recommend that patients with high-risk early-stage prostate cancer that has not spread to other areas of the body should receive radical prostatectomy or radiation therapy with hormonal therapy as standard treatment options.

Locally advanced prostate cancer

Watchful waiting may be considered for older adults who are not expected to live for a long time and whose cancer is not causing symptoms or for those who have another, more serious illness.

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Dealing With Prostate Cancer

Being diagnosed and living with prostate cancer can change how you feel about life. If you or your loved one is dealing with prostate cancer you may feel scared, stressed or even angry. There is no right way to feel and everyone reacts differently.

Visit our wellbeing hub for information to help support you in looking after your emotional, mental, and physical wellbeing. If you are close to someone with prostate cancer, find out more about how you can support someone with prostate cancer and where to get more information.

What Have I Learned By Reading This

You learned about:

• Ways to get chemotherapy, and
• What to expect when you have chemotherapy.

If you have any questions, please talk to your doctor or health care team. It is important that you understand what is going on with your chemotherapy treatment. This knowledge will help you take better care of yourself and feel more in control so that you can get the most from your treatment.

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Eight Types Of Standard Treatment Are Used:

Watchful waiting or active surveillance

Watchful waiting and active surveillance are treatments used for older men who do not have signs or symptoms or have other medical conditions and for men whose prostate cancer is found during a screening test.

Watchful waiting is closely monitoring a patients condition without giving any treatment until signs or symptoms appear or change. Treatment is given to relieve symptoms and improve quality of life.

Active surveillance is closely following a patient’s condition without giving any treatment unless there are changes in test results. It is used to find early signs that the condition is getting worse. In active surveillance, patients are given certain exams and tests, including digital rectal exam, PSA test, transrectal ultrasound, and transrectal needle biopsy, to check if the cancer is growing. When the cancer begins to grow, treatment is given to cure the cancer.

Other terms that are used to describe not giving treatment to cure prostate cancer right after diagnosis are observation, watch and wait, and expectant management.

Surgery

Patients in good health whose tumor is in the prostategland only may be treated with surgery to remove the tumor. The following types of surgery are used:

Prostate Cancer Is A Disease In Which Malignant Cells Form In The Tissues Of The Prostate

The prostate is agland in the malereproductive system. It lies just below the bladder and in front of the rectum . It is about the size of a walnut and surrounds part of the urethra . The prostate gland makes fluid that is part of the .

Prostate cancer is most common in older men. In the U.S., about 1 out of 8 men will be diagnosed with prostate cancer.

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How Prostate Cancer Is Treated

In cancer care, different types of doctorsincluding medical oncologists, surgeons, and radiation oncologistsoften work together to create an overall treatment plan that may combine different types of treatments to treat the cancer. This is called a multidisciplinary team. Cancer care teams include a variety of other health care professionals, such as palliative care experts, physician assistants, nurse practitioners, oncology nurses, social workers, pharmacists, counselors, dietitians, physical therapists, and others.

The common types of treatments used for prostate cancer are described below. Your care plan may also include treatment for symptoms and side effects, an important part of cancer care.

Treatment options and recommendations depend on several factors, including the type and stage of cancer, possible side effects, and the patients preferences and overall health.

Cancer treatment can affect older adults in different ways. More information on the specific effects of surgery, chemotherapy, and radiation therapy on older patients can be found another section of this website.

Because most prostate cancers are found in the early stages when they are growing slowly, you usually do not have to rush to make treatment decisions. During this time, it is important to talk with your doctor about the risks and benefits of all your treatment options and when treatment should begin. This discussion should also address the current state of the cancer:

How Chemotherapy Is Given

Chemotherapy may be given in many ways. Some common ways include

• oral: comes in pills, capsules, or liquids that you swallow
• intravenous : goes directly into a vein
• injection: given by a shot in a muscle in your arm, thigh, or hip, or right under the skin in the fatty part of your arm, leg, or belly
• intrathecal: injected into the space between the layers of tissue that cover the brain and spinal cord
• intraperitoneal : goes directly into the peritoneal cavity, which is the area in your body that contains organs such as your intestines, stomach, and liver
• intra-arterial : injected directly into the artery that leads to the cancer
• topical: comes in a cream that you rub onto your skin

Of all the methods mentioned above, chemotherapy is most often given with an IV, through a thin needle that is placed in a vein on your hand or lower arm. Your nurse will put the needle in at the start of each treatment and remove it when treatment is over. IV chemotherapy may also be given through catheters or ports, sometimes with the help of a pump.

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What Can Be Done To Treat Or Reduce Side Effects

Once chemotherapy treatment is complete, its side effects will typically cease. However, steps can be taken to combat any side effects as they occur. For instance, medications can help prevent nausea and vomiting, laxatives or stool-binding medications can manage constipation or diarrhea, respectively, and numbing gel can soothe mouth sores. Additionally, chemotherapy dosages can be changed or alternative chemo drugs can be considered, if appropriate.

How Chemotherapy May Affect You

Chemotherapy affects people in different ways. How you feel depends on

• the type of chemotherapy you are getting
• the dose of chemotherapy you are getting
• your type of cancer
• how advanced your cancer is
• how healthy you are before treatment

Since everyone is different and people respond to chemotherapy in different ways, your doctor and nurses cannot know for sure how you will feel during chemotherapy.

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Active Surveillance And Watchful Waiting

If prostate cancer is in an early stage, is growing slowly, and treating the cancer would cause more problems than the disease itself, a doctor may recommend active surveillance or watchful waiting.

Active surveillance. Prostate cancer treatments may seriously affect a person’s quality of life. These treatments can cause side effects, such as erectile dysfunction, which is when someone is unable to get and maintain an erection, and incontinence, which is when a person cannot control their urine flow or bowel function. In addition, many prostate cancers grow slowly and cause no symptoms or problems. For this reason, many people may consider delaying cancer treatment rather than starting treatment right away. This is called active surveillance. During active surveillance, the cancer is closely monitored for signs that it is worsening. If the cancer is found to be worsening, treatment will begin.

ASCO encourages the following testing schedule for active surveillance:

• A PSA test every 3 to 6 months

• A DRE at least once every year

• Another prostate biopsy within 6 to 12 months, then a biopsy at least every 2 to 5 years

Treatment should begin if the results of the tests done during active surveillance show signs of the cancer becoming more aggressive or spreading, if the cancer causes pain, or if the cancer blocks the urinary tract.