Drugs To Treat Cancer Spread To Bone
If prostate cancer spreads to other parts of the body, it almost always goes to the bones first. These areas of cancer spread can cause pain and weak bones that might break. Medicines that can help strengthen the bones and lower the chance of fracture are bisphosphonates and denosumab. Sometimes, radiation, radiopharmaceuticals, or pain medicines are given for pain control.
Side effects of bone medicines
A serious side effect of bisphosphonates and denosumab is damage to the jaw, also called osteonecrosis of the jaw . Most people will need to get approval from their dentist before starting one of these drugs.
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Is It Prostate Cancer Bone Mets Or Primary Bone Cancer
A recent article by a Duke Cancer Institute oncologist, Dr. Daniel George, raised an interesting point. He opened with his own experience of meeting with an advanced prostate cancer patient who says he has bone cancer. Dr. George writes, In the past, I would smile politely and correct them by saying, actually what you have is prostate cancer that has spread to your bones. But, what if they are right?
Despite the very small number of primary bone cancer cases, Dr. George is implying that before administering a systemic treatment for metastatic prostate cancer, further diagnostic tests should be done to identify exactly what is growing in the bone. If it turns out to be primary bone cancer, there are several different types. Each one requires its own type of chemotherapy. And if its prostate cancer bone mets, which is far more prevalent than primary bone cancer, it must be treated as prostate cancer, even though its in the bone.
What If You Have Metastatic Castration
This means you have a type of metastatic prostate cancer thatâs able to grow and spread after you had hormone therapy to lower your testosterone levels.
Still, most people with mCRPC stay on androgen deprivation therapy because it might still be effective against some prostate cancer cells.
Your doctor may recommend adding other treatments like:
- Treatments to ease symptoms like pain
You could also find out if a clinical trial might be right for you.
Some people with mCRPC simply choose to try active surveillance or watchful waiting.
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The Top 7 Signs Of Advanced Prostate Cancer
In the early stages, you may not notice any symptoms related to prostate cancer. This is why screenings are important. Symptoms can sometimes be noticed for the first time when the cancer advances.
Advanced prostate cancer, also called metastatic cancer, means the cancer has spread to other areas of your body beyond your prostate gland. The most common areas for prostate cancer to spread are your bladder, rectum, and bones. It can also spread to your lymph nodes, liver, lungs, and other body tissues.
Whether youve just been diagnosed or youre in treatment, its also important to know the signs of advanced cancer. Cancer can behave differently depending on your genetics, so not every person will experience the same symptoms in the same way.
Read on to learn more about the seven top symptoms of advanced prostate cancer and how to spot them.
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Watchful Waiting And Active Surveillance
Watchful waiting is an adequate approach in patients who are at low risk of death from prostate cancer because of their limited life expectancy due to severe comorbidities., Watchful waiting resulted in similar overall survival when compared with radical prostatectomy, but disease-specific survival was better in patients who had undergone surgery. For some patients it turns out to be hard to persist on a watchful waiting policy, and many men drop out and seek active treatment within several years, mostly when PSA elevation is noted.
Active surveillance is a novel and fascinating approach to distinguish between patients who are at higher risk and need active therapy and patients who are at low risk for disease progression., This approach avoids the risks of therapy while allowing early detection of those patients who are prone to progress. In these high-risk individuals, delayed active treatment is offered. Periodic monitoring of the PSA serum level, digital rectal exam, and repeated prostate biopsies are performed in patients who are on active surveillance, and active therapy is started when predefined threshold values are reached. This concept makes it possible to offer curative treatment to individuals who are at high risk for disease progression as indicated by active surveillance parameters.
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Prostate Cancer In The Bone Or Primary Bone Cancer
The human skeleton is remarkable architecture. It is a framework of bone and cartilage that supports and gives shape to the body. It may be hard to imagine that bones can develop tumors, which are cells multiplying out of control, but it can happen. If it does, most of the time the tumors are benign . On the other hand, if they are cancerous, breakaway tumor cells can spread and establish a bone cancer colony in another organ, such as the lung.
Thankfully, primary bone cancer is quite rare. According to cancer.net, fewer than 0.2% of all cancers are primary bone cancer. Treatments include surgery, radiation, chemotherapy for bone cancer, or some combination of these. Special therapies called palliative treatments are used to ease pain or manage other symptoms.
What Are The Symptoms Of Advanced Prostate Cancer And Bone Metastases
When cancer cells spread to the bones, the condition weakens the very frame on which the body rests. The cells interfere with the strength and hardness of the bones structure, interrupting its normal cycle of building up and dissolving.
Theres no cure for advanced prostate cancer, but theres a lot that doctors can do to help with the symptoms that might develop. This includes managing pain. A common misconception is that if theres cancer in the bone, there must be pain, Tagawa says. Thats not true. Cancer can be in the bone without pain. However, if there is pain, he says, it can be controlled with anticancer therapies and pain medication, and good quality of life can be maintained.
In addition to pain, some men with bone metastases develop a condition called hypercalcemia, in which, because of the damage to bones from the cancer cells, too much calcium builds up in the blood. Hypercalcemia can make you feel constipated, thirsty, sleepy, or sluggish, and it can increase the urge to urinate, according to the ACS. Over time, hypercalcemia can cause muscle and joint achiness, as well as weakness in the muscles. In advanced stages, it can cause the kidneys to shut down.
There are treatments for hypercalcemia as well as for other complications from advanced prostate cancer, such as bones that become weak and break or fracture, and for growths in the spine that can press on the spinal cord and damage nerves.
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Prostate Cancer Metastasis To The Bone
There is another type of malignant bone tumor called metastasis to the bone, or bone mets. This occurs when cancer cells from a tumor in another location, such as prostate cancer, break away from the primary tumor and spread through the blood stream or lymphatic system to the bone. In the case of prostate cancer, it is called prostate cancer bone mets. In fact, prostate cancer most commonly spreads to bone, possibly because of the bones growth factors that the cancer cells hijack.
While surgery or radiation may also be used to treat local prostate cancer tumors in the bone, systemic treatments specifically aimed at prostate cancer will be used, since the bone mets are prostate cancer cells, NOT primary bone cancer. While not curative, they are often effective in slowing and even reducing the bone mets tumors.
Can Prostate Cancer Spread
Simple cases of prostate cancer can develop into metastatic ones. This type of cancer appears when cancer cells are starting to spread outside their ground zero areas, the prostate gland.
Once they reach other parts of the body, cancer cells are beginning to grow there. Even though the new development reacts as bone cancer or lung cancer, doctors are always naming the type of cancer according to the organ from which it first originated.
Hypothetically, prostate cancer can spread anywhere in the body. However, prostate cancer metastasis is usually attacking lymph nodes first. Once they are connected to the lymphatic system, they can easily travel to other parts of the body:
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Bone Metastases In Patients With Metastatic Crpc
In approximately 80% of PCa patients bone metastases represent the initial and main metastatic site and are an important prognostic factor . About half of PCa patients with untreated bone metastases will experience at least one SRE over the period of 2 years .
The knowledge of the mechanisms underlying the development of bone metastases and the correlation between bone and cancer cells is of special importance with regard to the different therapeutic options for the management and prevention of SREs. Bone metastases in PCa are frequently osteoblastic, however an osteolytic element has also been confirmed in various reports , and the majority of lesions tend to be heterogeneous .
In clinical trials of bone-modifying agents for the treatment of bone metastases, the incidence of SREs was used as a composite primary endpoint , and they are recognized by the US Food and Drug Administration as a suitable endpoint to assess the efficacy of agents for the treatment of bone metastases in patients with cancer .
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Questions To Ask Your Doctor Or Nurse
- What type of hormone therapy are you offering me and why?
- Are there other treatments I can have?
- What are the advantages and disadvantages of my treatment?
- What treatments and support are available to help manage side effects?
- Are there any lifestyle changes that might help me manage my cancer, symptoms, or side effects?
- How often will I have check-ups and what will this involve?
- How will we know if my cancer starts to grow again?
- What other treatments are available if that happens?
- Can I join any clinical trials?
- If I have any questions or get any new symptoms, who should I contact?
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Bladder Cancer Clinical Trials
What about Clinical Trials?
You may hear about clinical trials for your bladder cancer. Clinical trials are research studies that test if a new treatment or procedure is safe and effective.
Through clinical trials, doctors find new ways to improve treatments and the quality of life for people with disease. Trials are available for all stages of cancer. The results of a clinical trial can make a major difference to patients and their families. Please visit our clinical trials research webpage to learn more.
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What Are Next Steps
Bone metastasis have a profound effect on the long-term outlook for prostate cancer. But its important to remember that the numbers are only statistics.
The good news is that life expectancy for advanced prostate cancer continues to increase. New treatments and therapies offer both longer life and better quality of life. Speak to your doctor about your treatment options and long-term outlook.
Everyones cancer experience is different. You may find support through sharing your treatment plan with friends and family. Or you can turn to local community groups or online forums like Male Care for advice and reassurance.
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How To Tell If Your Cancer Has Metastasized
Prostate cancer metastasis may be suspected if you have specific symptoms such as new lower back pain or elevated liver enzymes. These may be signs your cancer has spread to your spine or your liver, respectively. If your prostate-specific antigen levels continue to rise despite treatment, especially if they are rising particularly fast, this may be a sign that cancer is metastasizing somewhere in your body.
How Does Prostate Cancer Spread
Cancer cells sometimes break away from the original tumor and go to a blood or lymph vessel. Once there, they move through your body. The cells stop in capillaries — tiny blood vessels — at some distant location.
The cells then break through the wall of the blood vessel and attach to whatever tissue they find. They multiply and grow new blood vessels to bring nutrients to the new tumor. Prostate cancer prefers to grow in specific areas, such as lymph nodes or in the ribs, pelvic bones, and spine.
Most breakaway cancer cells form new tumors. Many others don’t survive in the bloodstream. Some die at the site of the new tissue. Others may lie inactive for years or never become active.
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The Underlying Molecular Mechanisms In Prostate Cancer Bone Metastases
Various types of prostate cancer cell lines, including LuCaP 23.1, LNCaP, C4-2, and IGR-CaP1, were utilized as prostate cancer models. The LuCaP 23.1 and LNCaP cells are highly sensitive to androgen . The C4-2 cell lines showed features of reduced androgen sensitivity and increased metastatic capability . In the androgen-sensitive prostate cancer cell lines, the downregulation in androgen receptor expression reduced AR-mediated transcription and cell growth. Meanwhile, the knockdown of AR expression had a marked effect on AR-mediated transcription and cell growth in the androgen-insensitive prostate cancer cell lines . The expression of AR is an important regulator of prostate cancer cell growth and development at the early stage. However, prostate cancer progresses to castration-resistant prostate cancer at the later stage. Thus, possible correlation between AR expression and the signaling molecules involved in prostate cancer bone metastasis could be considered. On the other hand, the IGR-CaP1 cell line represents a unique model recapitulating widespread bone metastasis with mixed osteoblastic and osteolytic bone lesions that resemble the conditions observed in patients .
Can Prostate Cancer Spread To The Brain
In unusual cases, prostate cancer metastasis can spread to the brain. The average time that needs for cancer cells to reach the brain is 3.8 years.
Nonetheless, its important to underline the fact that cases of brain metastases from prostate cancer are exceptional. The condition is likely to affect other parts of the body as well. Moreover, these exceptions are usually discovered during post-mortem analysis.
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Pain In The Back Or Hips
Many times, prostate cancer pain occurs around the lower spinal cord and hips. This a result of the prostate being in close proximity to these regions.
Cancer in the hips will cause bones to become brittle and weak. The result is consistent soreness, especially when bending over or exercising.
Prostate cancer can also put pressure on the spine. The compression of the nerves causes a dull pain that can become stabbing as the cancer grows.
If youve been experiencing severe pain in the back or hips even without engaging in rigorous activities during the day, its best if you get yourself checked. Aside from being one of the most common signs of prostate cancer, severe pain in the back and hips can take a toll on your daily activities, and prevent you from becoming productive during the day. Pain in the back and hips can also adversely affect your mobility, making it very challenging for you to move.
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Treatments To Help Manage Symptoms
Advanced prostate cancer can cause symptoms, such as bone pain. Speak to your doctor or nurse if you have symptoms there are treatments available to help manage them. The treatments above may help to delay or relieve some symptoms. There are also specific treatments to help manage symptoms you may hear these called palliative treatments. They include:
This is the team of health professionals involved in your care. It is likely to include:
- a specialist nurse
- a chemotherapy nurse
- a diagnostic radiographer
- a therapeutic radiographer
- other health professionals, such as a dietitian or physiotherapist.
Your MDT will meet to discuss your diagnosis and treatment options. You might not meet all the health professionals straight away.
Your main point of contact might be called your key worker. This is usually your clinical nurse specialist , but might be someone else. The key worker will co-ordinate your care and help you get information and support. You may also have close contact with your GP and the practice nurses at your GP surgery.
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Can I Survive Advanced Prostate Cancer Whats The Prognosis
Prostate cancer is the second leading cause of death from cancer in men, according to the National Cancer Institute. While theres no cure, men can live with it for years if they get the right treatment. Each man with advanced prostate cancer is different, of course. You and your cancer have unique qualities that your doctor takes into consideration when planning the best treatment strategy for you.
According to Harvard Medical School, the prognosis for men with advanced prostate cancer is improving because of newer medications that help them get past a resistance to androgen-deprivation therapy that typically develops after a few years of treatment. With these medications, many men are living longer, and a number of men diagnosed with advanced prostate cancer are dying with the cancer, not from it.
Promptly treating prostate cancer bone metastases with the newest medication can help change a mans prognosis dramatically, Tagawa says. There are men who do well for decades, he says. Some men can even stop treatment, go on to live many years, and actually die of something unrelated.
Tagawa says that cancer specialists who use sophisticated imaging technologies, like positron-emission tomography scans, have gotten very good at finding even tiny bone metastases, which is valuable in diagnosing and removing early stage metastases.
What Questions Should I Ask My Healthcare Provider
If you have prostate cancer, you may want to ask your healthcare provider:
- Why did I get prostate cancer?
- What is my Gleason score? What is my Grade Group? What do these numbers mean for me?
- Has the cancer spread outside of the prostate gland?
- What is the best treatment for the stage of prostate cancer I have?
- If I choose active surveillance, what can I expect? What signs of cancer should I look out for?
- What are the treatment risks and side effects?
- Is my family at risk for developing prostate cancer? If so, should we get genetic tests?
- Am I at risk for other types of cancer?
- What type of follow-up care do I need after treatment?
- Should I look out for signs of complications?
A note from Cleveland Clinic
Prostate cancer is a common cancer that affects males. Most prostate cancers grow slowly and remain in the prostate gland. For a small number, the disease can be aggressive and spread quickly to other parts of the body. Men with slow-growing prostate cancers may choose active surveillance. With this approach, you can postpone, and sometimes completely forego, treatments. Your healthcare provider can discuss the best treatment option for you based on your Gleason score and Group Grade.
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