PRRT and the promise it holds for cancer treatment

As we continue our conversation on Precision Medicine for cancer, a popular therapy used to treat NET tumours or Neuro Endocrine Tumours is PRRT or Peptide Receptor Radionuclide therapy.
Neuroendocrine tumours are a rare form of cancer and originate from Neuro endocrine cells in the body and hence the name.They are different from adenocarcinoma’s and often do not do not respond well to chemotherapy, the 1st line of treatment for most cancers.

By administering radioactive protein lutetium octreotate, it is possible to treat NET tumours or neuro endocrine carcinoma with precision and offset progression of disease.

PRRT for neuroendocrine tumour
PRRT treatment for metastatic cancer cells spreading and growing. Tailor-made precision medicine based on genetic profile and molecular structure of the tumour.

In PRRT a peptide or a cell targeting protein is combined with a small amount of radio active nuclide creating what is called as a radio peptide. The radio peptide when injected into the patients blood stream travels and binds to a neuro endocrine tumour, delivering a high dose of radiation to the tumours. This also limits damage to the nearby healthy tissue and hence lesser and milder side effects than chemotherapy.

What kind of cancers can be treated by PRRT?

Along with Neuroendocrine tumours, carcinoids, islet cell carcinoma of the pancreas, small cell carcinoma of the lung a form of lung cancer, pheochromocytoma (a rare tumor that forms in the adrenal glands), gastro-enteropancreatic (stomach cancer , intestine cancer and pancreas) neuroendocrine tumors, and rare thyroid cancers that are unresponsive to treatment with radio iodine are often treated with PRRT.

Role of PRRT is also being explored for treatment of prostate cancer.

When is a patient a candidate for PRRT ?

Patients with following conditions are often proposed for PRRT

  • When neuro endocrine tumours are not responsive to other lines of cancer treatment
  • When surgical removal of tumours is not possible at current stage, PRRT may be used to reduce size of the tumours.
  • PRRT is also a treatment option for last stage inoperable cancers when metastasis has set in.
    The main aim of PRRT is then to slow down progression of disease, offer relief and prolong life.

However, not all neuroendocrine tumours respond to PRRT. First an OctreoScan is done. If the patient is found to have a positive OctreoScan and meets other requirements, PRRT is proposed.

What happens during PRRT ?

For patients having a positive octreoscan, to start with an amino acid solution is delivered to protect the kidneys.

As most net tumours have a lot of a specific type of surface receptor, a protein called somatostatin. Octreotide, is a lab version of somastostatin. During PRRT, a dose of radio nuclides such as Lutetium, Yttrium are often combined with octreotide and injected into the blood stream.

Molecular imaging and scans follow to see whether the radio peptide has latched on of the tumour sites correctly.

The entire session usually lasts for about 4 hrs and is often done as an out patient procedure.

The main goals of PRRT hence are to provide symptom relief, to stop or slow tumor progression and to improve overall survival.

Advantages of PRRT ?

PRRT along with other molecular therapies or targeted therapies offer excellent results as they are tailor made keeping in mind molecular properties of the tumour and also biologic characteristics of the patient.

PRRT is offered in Germany , USA, UK and other developed countries at a significant cost, In India, a single session of PRRT costs approx USD 6300.

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Bowel Cancer- Are there a few red flags to watch out for ?

Bowel cancer is defined as cancer of the bowel or parts of bowel. Depending upon where the cancer is based, it is also known as colon cancer, rectal cancer or colorectal cancer.

Colon cancer is cancer of the rectum. Rectal cancer is cancer of the rectum.

Colorectal cancer is cancer affecting the colon and the rectum.

Most colon cancers are lethal simply because they are diagnosed at a very late stage. Most patients present themselves with symptoms and often visit doctors but symptoms are often missed .

A short guide on awareness of possible symptoms, which are red flags but are often missed during doctor visits.

ColonCancer
Bowel, colon and rectal colorectal cancer symptoms causes risk factors diagnosis
  • Blood in the stool which shows rectal Bleeding
  • Change in Bowel Habits
  • Diarrhoea
  • Abdominal Pain

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Stomach Cancer- Why does it catch us unawares ?

Stomach cancer is defined as the growth of cancerous cells in the stomach lining.
According to the National Cancer Institute (NCI), there will be approximately 24,590 new cases of stomach cancer every year.

Stomach cancer
Clinical stages of stomach cancer. How stomach cancer spreads?

Stomach cancer is often left undiagnosed because it doesn’t have many early symptoms – it is diagnosed when cancer spreads to other parts of the human body.

A few early signs are:
Nausea and Vomiting: Nausea is defined as a feeling of queasiness at the back of your throat or stomach. Vomiting, on the other hand, is defined as the contraction of your stomach muscles that push the digested food back through your oesophagus. Both nausea and vomiting may be early symptoms of stomach cancer especially if one’s blood shows in the vomit.
Bloating: If one faces bloating, which doesn’t ease up and persistent, it calls for a visit to the doctor and an ultrasound at least to start with.

H. Pylori Infection: If one suffers from frequent indigestion, bloating,one must get tested for bacterial Infection with H pylori, as it is the most prominent indication of people developing stomach cancer later.

Research has shown that people suffering from H.Pylori infections have a much incidence of stomach cancers.

Weight loss: Stomach tumours cause blockages, preventing food from passing into the stomach or into the intestines causing loss of appetite. Similarly, stomach cancer causes energy from food to be burned at a faster rate which combined with nutritional loss causes weight loss.

Stomach Pain: Unexplained stomach pain , the kind which persists is also a warning sign that something may be wrong.

Frequent HeartBurns:  Frequent heartburns could be because of ulcers and may also indicate that everything is not ok.

Inability to eat: As the tumour progresses, it blocks various parts of the digestive system. Coupled with body’s inability to digest food,  there is a reduced appetite, which at a later stage is often total inability to eat and digest food.

As the symptoms are so generic, they are often missed leading to diagnosis at a much later stage when the cancer has spread or metastatised to other parts of the body.

Is there a co-relation between our habits and stomach cancer?
Food: Food and stomach cancer have a direct relationship. The right dietary intake can lower the risk of stomach cancer. Storage of food through refrigeration instead of by smoking, salting and pickling also reduces the risk because the nitrates and nitrites in smoked food increase the risk of stomach cancer.
Smoking: The use of tobacco increases the risk of stomach cancer. It is said that the rate of risk of stomach cancer is doubled in smokers as compared to non-smokers. This is because smoking reduces the production of natural substances that protect the stomach and duodenum from tissue damage. Additionally, smoking promotes the duodenum reflux and increases the acidity of the duodenum making it vulnerable to H. Pylori bacteria. Smoking also constricts the blood vessels in the stomach reducing the blood flow in the stomach. All these mechanisms strengthen the link between stomach cancer and smoking.

Treatment of stomach cancer involves, surgery if detected at an early stage, followed by chemotherapy as the 1st line of treatment.

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If treatment fails

Recovery from cancer is not always possible. If the cancer cannot be cured or controlled, the disease may be called advanced or terminal.

This diagnosis is stressful, and advanced cancer is difficult to discuss for many people. However, it is important to have open and honest conversations with your doctor and health care team to express your feelings, preferences, and concerns. The health care team is there to help, and many team members have special skills, experience, and knowledge to support patients and their families. Making sure a person is physically comfortable and free from pain is extremely important.

Patients who have advanced cancer and who are expected to live less than six months may want to consider a type of palliative care called hospice care. Hospice care is designed to provide the best possible quality of life for people who are near the end of life.

Cancer Treatment- Why travelling to India is a good option

Cancer Treatment- Why travelling to India is a good option Cancer Treatment in India:

Have you just been diagnosed with cancer and do not know what to do? Have you searched for high quality cancer treatments locally and found none? Recent research has shown that cancer is one of the world’s most feared terminal illnesses. This fear has lead to many people to believe that the disease cannot be effectively treated. However, cancer medical specialists argue that the disease can easily be treated and controlled if it is detected during its early stages. Many cancer patients have died because of they were unable to raise the amount of money that was required for treatment abroad. But there is a ray of hope for many cancer patients who might be struggling to raise the abnormal medical fees for them to be treated. This article will offer all the information about Cancer treatment, cost in India compared to other countries in the whole world.

Reasons why seeking cancer treatment in India is the best option ever:

There has been a major exodus of cancer patients refusing to be treated in local hospitals in their countries of origin. This has made India as the leading cancer treatment provider in the whole world. India has one of the best world cancer treatment facilities in the world. We investigated some of the major reasons for this mass exodus of cancer patients to India and found out the following observations as discussed below;

Lower cost of treatment

Unlike in many countries around the world where cancer treatment is expensive, cancer treatments,cost in India is mush affordable. Despite the kind of cancer your patient might be having, taking him to India for treatment would save you a lot of money. Recent cancer treatments showed that it is only India where you can access high quality services at very low costs. There were some countries where the researched showed that the cost of flight plus cancer treatments cost only costs half that would be charged at the local hospitals. There are many cancer treatment hospitals in India which greatly contributes to the reduction of cancer treatments, cost in India.

Highly qualified Cancer specialists

It is a known that Indians are well gifted in the field of medicine and surgery. India has produced one of the most renowned surgeons and medical practitioners that have high competency levels in the filed. This also applies to cancer where most cancer specialists are Indians, This makes travelling to India for cancer treatment as the best option compared to local hospitals.

Modernized cancer equipments

India has the latest digital equipments for detecting and screening cancer that are not easy to find other countries around the World. The equipment uses one of the latest technologies for diagnosing cancer among the patients. The equipments make the detection and diagnosis of cancer related ailmets to be worked faster and efficient. This is why traveling to India for cancer treatment would be the best cancer treatment option that being treated at local hospitals.

CONCLUSION

It is now evident that cancer treatment, cost in India is lower compared to other countries in the whole world. This article is a must read for people who might be having cancer patients at home who need medical attention but are stranded due to high cost of treatment in local hospitals.

Getting care for symptoms and side effects

Cancer and its treatment often cause side effects. In addition to treatment to slow, stop, or eliminate the cancer, an important part of cancer care is relieving a person’s symptoms and side effects. This approach is called palliative or supportive care, and it includes supporting the patient with his or her physical, emotional, and social needs.

Palliative care is any treatment that focuses on reducing symptoms, improving quality of life, and supporting patients and their families. Any person, regardless of age or type and stage of cancer, may receive palliative care. It works best when palliative care is started as early as needed in the cancer treatment process.

People often receive treatment for the cancer and treatment to ease side effects at the same time. In fact, patients who receive both often have less severe symptoms, better quality of life, and report they are more satisfied with treatment.

Palliative treatments vary widely and often include medication, nutritional changes, relaxation techniques, emotional support, and other therapies. You may also receive palliative treatments similar to those meant to eliminate the cancer, such as chemotherapy, surgery, or radiation therapy. Talk with your doctor about the goals of each treatment in your treatment plan.

Before treatment begins, talk with your health care team about the possible side effects of your specific treatment plan and palliative care options. And during and after treatment, be sure to tell your doctor or another health care team member if you are experiencing a problem so it can be addressed as quickly as possible. Learn more about palliative care.

Chemotherapy

Chemotherapy is the use of drugs to destroy cancer cells, usually by stopping the cancer cells’ ability to grow and divide. Chemotherapy is given by a medical oncologist, a doctor who specializes in treating cancer with medication.

Systemic chemotherapy gets into the bloodstream to reach cancer cells throughout the body. Common ways to give chemotherapy include an intravenous (IV) tube placed into a vein using a needle or in a pill or capsule that is swallowed (orally).

A chemotherapy regimen (schedule) usually consists of a specific number of cycles given over a set period of time. A patient may receive one drug at a time or combinations of different drugs at the same time.

Although chemotherapy is useful for treating most types of cancer, kidney cancer is often resistant to chemotherapy. However, researchers continue to study new drugs and new combinations of drugs. For some patients, the combination of gemcitabine (Gemzar) and capecitabine (Xeloda) or fluorouracil (5-FU, Adrucil) will temporarily shrink a tumor.

It is important to remember that transitional cell carcinoma, also called urothelial carcinoma, and Wilms tumor are much more likely to be successfully treated with chemotherapy.

The side effects of chemotherapy depend on the individual and the dose used, but can include fatigue, risk of infection, nausea and vomiting, hair loss, loss of appetite, and diarrhea. These side effects usually go away once treatment is finished.

Learn more about the basics of chemotherapy and preparing for treatment. The medications used to treat cancer are continually being evaluated. Talking with your doctor is often the best way to learn about the medications prescribed for you, their purpose, and their potential side effects or interactions with other medications. Learn more about your prescriptions by using searchable drug databases.

Radiation therapy

Radiation therapy is the use of high-energy x-rays or other particles to destroy cancer cells. A doctor who specializes in giving radiation therapy to treat cancer is called a radiation oncologist.

Radiation therapy is not effective as a primary treatment for kidney cancer. It is very rarely used alone to treat kidney cancer because of the damage it causes to the healthy kidney. Radiation therapy is used only if a patient cannot have surgery and, even then, usually only on areas where the cancer has spread and not the primary kidney tumor. Most often, radiation therapy is used when the cancer has spread to help ease symptoms, such as bone pain or swelling in the brain.

The most common type of radiation treatment is called external-beam radiation therapy, which is radiation given from a machine outside the body. When radiation treatment is given using implants, it is called internal radiation therapy or brachytherapy. For kidney cancer, internal radiation therapy is given using a hollow needle to insert radioactive seeds directly into a tumor.

Another type of radiation therapy is stereotactic radiosurgery, which is designed to direct the radiation therapy to a specific area without damaging nearby tissue. A radiation therapy regimen (schedule) usually consists of a specific number of treatments given over a set period of time.

Side effects from radiation therapy may include fatigue, mild skin reactions, upset stomach, and loose bowel movements. Internal radiation therapy may cause some bleeding, infection, and risk of injury to nearby tissue. Most side effects go away soon after treatment is finished.

Targeted therapy

Targeted therapy is a treatment that targets the cancer’s specific genes, proteins, or the tissue environment that contributes to cancer growth and survival. This type of treatment blocks the growth and spread of cancer cells while limiting damage to healthy cells. These drugs are becoming more important in the treatment of kidney cancer.

Recent studies show that not all tumors have the same targets. Many research studies are taking place now to find out more about specific molecular targets and new treatments directed at them. Learn more about the basics of targeted treatments.

  • Anti-angiogenesis therapy. This type of treatment focuses on stopping angiogenesis, which is the process of making new blood vessels. Because a tumor needs the nutrients delivered by blood vessels to grow and spread, the goal of anti-angiogenesis therapies is to “starve” the tumor. One anti-angiogenic drug, bevacizumab (Avastin), has been shown to slow tumor growth for people with metastatic renal carcinoma. Bevacizumab combined with interferon (see Immunotherapy below) slows tumor growth and spread.
  • Tyrosine kinase inhibitors (TKIs). Clear cell kidney cancer has a mutation of the VHL gene that causes the cancer to make too much of a certain protein, known as vascular endothelial growth factor (VEGF). VEGF controls the formation of new blood vessels. Drugs called TKIs help block VEGF and other chemical signals that promote the development of new blood vessels. TKIs such as pazopanib (Votrient), sorafenib (Nexavar), and sunitinib (Sutent) may be used during treatment for clear cell kidney cancer. Axitinib (Inlyta), another TKI, has been approved to treat later-stage renal cell carcinoma. Side effects of TKIs may include diarrhea, high blood pressure, and tenderness and sensitivity in the hands and feet.
  • mTOR inhibitors. Everolimus (Afinitor) and temsirolimus (Torisel) are drugs that target a certain protein that helps kidney cancer cells grow, called mTOR. Studies show that these drugs slow kidney cancer growth.

Talk with your doctor about possible side effects for each specific medication and how they can be managed. The medications used to treat cancer are continually being evaluated. Talking with your doctor is often the best way to learn about the medications prescribed for you, their purpose, and their potential side effects or interactions with other medications. Learn more about your prescriptions by using searchable drug databases.