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Friday, 23.03.2018, 11:55
Main » Mammology » The effectiveness of the treatment of metastatic breast cancer 
The effectiveness of the treatment of metastatic breast cancer

The effectiveness of the treatment of metastatic breast cancer

When choosing a method of treatment, your doctor may show you the results of studies on the effect of certain treatments on the disease. For example, a doctor might say, "The effectiveness of this type of chemotherapy is 30%. This means that this treatment was effective in 30% of women. "

Efficiency in this case means a decrease in tumor size in 50% or more, and this effect may last for 3 months or longer.

To describe the performance in these cases, use different wording:
  • Overall effectiveness - means that the cancer is completely (ie becomes inactive). This is also called a complete remission.
  • Partial efficiency - means a reduction of the tumor in 50% or more.
  • Minimal effect - a decrease of the tumor when it is marked less than 50% of cases.
  • Stabilization - means that the size of the tumor are the same.
  • Progression - means that the tumor increases in size.

Some treatments are beginning to act more quickly than others. However, the slower types of treatment does not necessarily give a smaller effect. For example, hormone therapy can be efficient only in a few months after the start of the application. When chemotherapy is necessary to pass a minimum of two courses before the doctor can assess the effects of treatment.

The effectiveness of a treatment for metastases should be regularly monitored. Part of the effectiveness of treatment is determined to reduce the symptoms of cancer such as pain, shortness of breath and physical weakness. In addition, the performance evaluation is conducted by comparing the results of blood tests and radiographic studies before and after treatment. knowledge of how well a particular treatment in your case it helps in choosing a doctor for further tactics. Typically, such an estimate the effectiveness of treatment is carried out in a few months from its beginning.

In January 2004, was registered in the U.S. a new method for evaluating the effectiveness of the treatment of tumors - so-called CellSearch. It is to count cancer cells in a blood sample before and after treatment. Unfortunately, this method is expensive and not widely available.

If in spite of initial treatment the tumor continues to grow, it means that cancer cells have acquired "resistance" (resistance) to treatment. The majority of drugs of this type will no longer have any effect on cancer. In this situation, the doctor chooses a different method of treatment, which is based on another type of action. For example, if the development of metastases occurred in patients receiving hormonal drugs such as tamoxifen, it may be more effective aromatase inhibitors, or chemotherapy. Before starting this or that kind of treatment you need to know its advantages and disadvantages. If you do not like something, you can refuse treatment. In addition, you can stop treatment at any time.

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