Hyperthermia is a medical treatment in which the temperature of a patient’s body is raised above the normal level for certain periods of time. This therapy has become an increasingly popular option for cancer treatment in recent years.
The most widely used form of hyperthermia is regional hyperthermia, which focuses on specific parts of the body where tumors are located.
How Does Hyperthermia Work?
Hyperthermia works in two main ways. Firstly, it leads to the destruction of cancer cells that are sensitive to high temperatures.
Cancer cells cannot survive for long periods at high temperatures because their growth and metabolism rates are disrupted, resulting in cell death. Hyperthermia can also make cancer cells more susceptible to radiation or chemotherapy, allowing these treatments to be more effective.
Secondly, hyperthermia can stimulate the immune system and enhance the body’s natural ability to fight cancer. The elevated temperatures cause the immune system to ramp up its activity, which can help to destroy cancer cells.
Additionally, the body can be more receptive to treatments like immunotherapy, which are designed to enhance the immune system’s response to cancer.
Types of Hyperthermia for Cancer Treatment
There are four main types of hyperthermia that are used in cancer treatment:.
Local Hyperthermia
This treatment focuses on raising the temperature of a small area of the body, such as a tumor or a limb. The temperature is typically raised to between 104-113°F for a period of 30 minutes to 2 hours.
This type of therapy can be used alone or in combination with radiation or chemotherapy.
Regional Hyperthermia
Regional hyperthermia is used to treat larger areas of the body, such as an entire limb or an organ. The treatment usually involves the use of electrodes or microwaves, which heat the target area to between 104-113°F for several hours.
Radiation or chemotherapy may also be used in conjunction with regional hyperthermia.
Whole-Body Hyperthermia
This treatment involves heating the entire body to a temperature of 104-109°F for up to 4 hours.
This type of therapy is often used in conjunction with chemotherapy or other treatments, and it can enhance the effects of these treatments by increasing the body’s absorption of drugs.
Perfusion Hyperthermia
Perfusion hyperthermia is used to treat cancers that have spread to multiple areas of the body, such as ovarian cancer or skin cancer.
The treatment involves isolating the affected area of the body and circulating warmed fluids through the area for several hours. Chemotherapy drugs may also be added to the fluids to enhance their effects.
Benefits of Hyperthermia in Cancer Therapy
Hyperthermia has several benefits that make it an attractive treatment option for cancer patients:.
Non-Invasive
Hyperthermia is a non-invasive treatment option that does not require surgery or other surgical procedures. This can be particularly beneficial for patients who are unable or unwilling to undergo surgery.
Minimal Side Effects
Hyperthermia has minimal side effects compared to other cancer treatments like radiation and chemotherapy. Patients may experience temporary redness or swelling in the treatment area, but these effects are usually mild and go away within a few days.
Enhanced Effectiveness of Other Treatments
Hyperthermia can enhance the effectiveness of other cancer treatments like radiation and chemotherapy. Combining hyperthermia with these treatments can improve their overall effectiveness and reduce the likelihood of cancer recurrence.
Limitations of Hyperthermia in Cancer Therapy
While hyperthermia has many benefits, there are some limitations to its use as a cancer treatment:.
Effectiveness Depends on Tumor Location and Size
Hyperthermia is most effective when used to treat small, localized tumors. Larger tumors that are located deep within the body may be more difficult to heat effectively.
Cost and Availability
Hyperthermia can be expensive, and it may not be covered by all insurance plans. Additionally, the therapy may not be widely available in all areas, making it difficult for some patients to access this treatment option.
Conclusion
Hyperthermia is a promising therapy for cancer treatment that is gaining popularity among medical professionals. This therapy works by destroying cancer cells and enhancing the immune system’s ability to fight cancer.
While hyperthermia has some limitations, its non-invasive nature, minimal side effects, and ability to enhance the effectiveness of other treatments make it an attractive option for cancer patients.